Input buildinfo: https://buildinfos.debian.net/buildinfo-pool/n/node-functional-red-black-tree/node-functional-red-black-tree_1.0.1+20181105-4_all.buildinfo Use metasnap for getting required timestamps New buildinfo file: /tmp/node-functional-red-black-tree-1.0.1+20181105-4m0i_zm_0/node-functional-red-black-tree_1.0.1+20181105-4_all.buildinfo Get source package info: node-functional-red-black-tree=1.0.1+20181105-4 Source URL: http://snapshot.notset.fr/mr/package/node-functional-red-black-tree/1.0.1+20181105-4/srcfiles?fileinfo=1 env -i PATH=/usr/sbin:/usr/bin:/sbin:/bin TMPDIR=/tmp mmdebstrap --arch=amd64 --include=autoconf=2.69-11 automake=1:1.16.1-4 autopoint=0.19.8.1-10 autotools-dev=20180224.1 base-files=11 base-passwd=3.5.46 bash=5.0-5 binutils=2.33.1-4 binutils-common=2.33.1-4 binutils-x86-64-linux-gnu=2.33.1-4 brotli=1.0.7-5+b1 bsdmainutils=11.1.2+b1 bsdutils=1:2.34-0.1 build-essential=12.8 bzip2=1.0.8-2 coreutils=8.30-3+b1 cpp=4:9.2.1-3.1 cpp-9=9.2.1-21 dash=0.5.10.2-6 debconf=1.5.73 debhelper=12.7.1 debianutils=4.9 dh-autoreconf=19 dh-strip-nondeterminism=1.6.3-1 diffutils=1:3.7-3 dpkg=1.19.7 dpkg-dev=1.19.7 dwz=0.13-4 fdisk=2.34-0.1 file=1:5.37-6 findutils=4.7.0-1 g++=4:9.2.1-3.1 g++-9=9.2.1-21 gcc=4:9.2.1-3.1 gcc-9=9.2.1-21 gcc-9-base=9.2.1-21 gettext=0.19.8.1-10 gettext-base=0.19.8.1-10 grep=3.3-1 groff-base=1.22.4-3 gzip=1.9-3+b1 hostname=3.23 init-system-helpers=1.57 intltool-debian=0.35.0+20060710.5 libacl1=2.2.53-5 libarchive-zip-perl=1.67-1 libasan5=9.2.1-21 libatomic1=9.2.1-21 libattr1=1:2.4.48-5 libaudit-common=1:2.8.5-2 libaudit1=1:2.8.5-2+b1 libbinutils=2.33.1-4 libblkid1=2.34-0.1 libbsd0=0.10.0-1 libbz2-1.0=1.0.8-2 libc-ares2=1.15.0-1 libc-bin=2.29-3 libc-dev-bin=2.29-3 libc6=2.29-3 libc6-dev=2.29-3 libcap-ng0=0.7.9-2.1+b1 libcc1-0=9.2.1-21 libcroco3=0.6.13-1 libdb5.3=5.3.28+dfsg1-0.6 libdebconfclient0=0.250 libdebhelper-perl=12.7.1 libdpkg-perl=1.19.7 libelf1=0.176-1.1 libfdisk1=2.34-0.1 libffi6=3.2.1-9 libfile-stripnondeterminism-perl=1.6.3-1 libgcc-9-dev=9.2.1-21 libgcc1=1:9.2.1-21 libgcrypt20=1.8.5-3 libgdbm-compat4=1.18.1-5 libgdbm6=1.18.1-5 libglib2.0-0=2.62.3-2 libgmp10=2:6.1.2+dfsg-4 libgomp1=9.2.1-21 libgpg-error0=1.36-7 libicu63=63.2-2 libisl22=0.22-2 libitm1=9.2.1-21 libjs-inherits=2.0.3-1 libjs-source-map=0.7.0++dfsg2+really.0.6.1-4 liblsan0=9.2.1-21 liblz4-1=1.9.2-2 liblzma5=5.2.4-1+b1 libmagic-mgc=1:5.37-6 libmagic1=1:5.37-6 libmount1=2.34-0.1 libmpc3=1.1.0-1 libmpfr6=4.0.2-1 libncursesw6=6.1+20191019-1 libnghttp2-14=1.40.0-1 libnode64=10.17.0~dfsg-2 libpam-modules=1.3.1-5 libpam-modules-bin=1.3.1-5 libpam-runtime=1.3.1-5 libpam0g=1.3.1-5 libpcre2-8-0=10.34-1 libpcre3=2:8.39-12+b1 libperl5.30=5.30.0-9 libpipeline1=1.5.1-2 libquadmath0=9.2.1-21 libseccomp2=2.4.2-2 libselinux1=2.9-3+b1 libsigsegv2=2.12-2 libsmartcols1=2.34-0.1 libssl1.1=1.1.1d-2 libstdc++-9-dev=9.2.1-21 libstdc++6=9.2.1-21 libsub-override-perl=0.09-2 libsystemd0=243-9 libtinfo6=6.1+20191019-1 libtool=2.4.6-11 libtsan0=9.2.1-21 libubsan1=9.2.1-21 libuchardet0=0.0.6-3 libudev1=243-9 libunistring2=0.9.10-2 libuuid1=2.34-0.1 libuv1=1.33.1-2 libxml2=2.9.4+dfsg1-8 linux-libc-dev=5.3.9-3 login=1:4.7-2 lsb-base=11.1.0 m4=1.4.18-4 make=4.2.1-1.2 man-db=2.9.0-1 mawk=1.3.3-17+b3 ncurses-base=6.1+20191019-1 ncurses-bin=6.1+20191019-1 node-balanced-match=0.4.2-1 node-brace-expansion=1.1.8-1 node-commander=2.12.2-4 node-concat-map=0.0.1-1 node-deep-equal=1.0.1-1 node-defined=1.0.0-1 node-fs.realpath=1.0.0-1 node-function-bind=1.1.1+ds-2 node-glob=7.1.3-2 node-inflight=1.0.6-1 node-inherits=2.0.3-1 node-lodash-packages=4.17.15+dfsg-1 node-minimatch=3.0.4-3 node-minimist=1.2.0-1 node-object-inspect=1.5.0-2 node-once=1.4.0-3 node-path-is-absolute=1.0.0-1 node-resolve=1.5.0-1 node-resumer=0.0.0-3 node-source-map=0.7.0++dfsg2+really.0.6.1-4 node-tape=4.9.1-1 node-through=2.3.8-1 node-uglify-js=3.6.3-1 node-wrappy=1.0.2-1 nodejs=10.17.0~dfsg-2 pandoc=2.5-3 pandoc-data=2.5-3 patch=2.7.6-6 perl=5.30.0-9 perl-base=5.30.0-9 perl-modules-5.30=5.30.0-9 pigz=2.4-1+b1 po-debconf=1.0.21 sed=4.7-1 sensible-utils=0.0.12+nmu1 sysvinit-utils=2.96-1 tar=1.30+dfsg-6+b1 uglifyjs=3.6.3-1 util-linux=2.34-0.1 xz-utils=5.2.4-1+b1 zlib1g=1:1.2.11.dfsg-1+b1 --variant=apt --aptopt=Acquire::Check-Valid-Until "false" --aptopt=Acquire::http::Dl-Limit "1000"; --aptopt=Acquire::https::Dl-Limit "1000"; --aptopt=Acquire::Retries "5"; --aptopt=APT::Get::allow-downgrades "true"; --keyring=/usr/share/keyrings/ --essential-hook=chroot "$1" sh -c "apt-get --yes install fakeroot util-linux" --essential-hook=copy-in /usr/share/keyrings/debian-archive-bullseye-automatic.gpg /usr/share/keyrings/debian-archive-bullseye-security-automatic.gpg /usr/share/keyrings/debian-archive-bullseye-stable.gpg /usr/share/keyrings/debian-archive-buster-automatic.gpg /usr/share/keyrings/debian-archive-buster-security-automatic.gpg /usr/share/keyrings/debian-archive-buster-stable.gpg /usr/share/keyrings/debian-archive-keyring.gpg /usr/share/keyrings/debian-archive-removed-keys.gpg /usr/share/keyrings/debian-archive-stretch-automatic.gpg /usr/share/keyrings/debian-archive-stretch-security-automatic.gpg /usr/share/keyrings/debian-archive-stretch-stable.gpg /usr/share/keyrings/debian-ports-archive-keyring-removed.gpg /usr/share/keyrings/debian-ports-archive-keyring.gpg /usr/share/keyrings/debian-keyring.gpg /etc/apt/trusted.gpg.d/ --essential-hook=chroot "$1" sh -c "rm /etc/apt/sources.list && echo 'deb http://snapshot.notset.fr/archive/debian/20210814T212851Z/ bookworm main deb-src http://snapshot.notset.fr/archive/debian/20210814T212851Z/ bookworm main deb http://snapshot.notset.fr/archive/debian/20191230T211841Z/ unstable main deb http://snapshot.notset.fr/archive/debian/20191202T160249Z/ unstable main' >> /etc/apt/sources.list && apt-get update" --customize-hook=chroot "$1" useradd --no-create-home -d /nonexistent -p "" builduser -s /bin/bash --customize-hook=chroot "$1" env sh -c "apt-get source --only-source -d node-functional-red-black-tree=1.0.1+20181105-4 && mkdir -p /build/node-functional-red-black-tree-NpiZZb && dpkg-source --no-check -x /*.dsc /build/node-functional-red-black-tree-NpiZZb/node-functional-red-black-tree-1.0.1+20181105 && chown -R builduser:builduser /build/node-functional-red-black-tree-NpiZZb" --customize-hook=chroot "$1" env --unset=TMPDIR runuser builduser -c "cd /build/node-functional-red-black-tree-NpiZZb/node-functional-red-black-tree-1.0.1+20181105 && env DEB_BUILD_OPTIONS="parallel=4" LC_ALL="C.UTF-8" SOURCE_DATE_EPOCH="1575491536" dpkg-buildpackage -uc -a amd64 --build=all" --customize-hook=sync-out /build/node-functional-red-black-tree-NpiZZb /tmp/node-functional-red-black-tree-1.0.1+20181105-4m0i_zm_0 bullseye /dev/null deb http://snapshot.notset.fr/archive/debian/20191202T160249Z unstable main I: automatically chosen mode: root I: chroot architecture amd64 is equal to the host's architecture I: automatically chosen format: tar I: using /tmp/mmdebstrap.SiraszBG6x as tempdir I: running apt-get update... I: downloading packages with apt... I: extracting archives... I: installing essential packages... I: running --essential-hook in shell: sh -c 'chroot "$1" sh -c "apt-get --yes install fakeroot util-linux"' exec /tmp/mmdebstrap.SiraszBG6x Reading package lists... Building dependency tree... util-linux is already the newest version (2.34-0.1). The following NEW packages will be installed: fakeroot libfakeroot 0 upgraded, 2 newly installed, 0 to remove and 0 not upgraded. Need to get 132 kB of archives. After this operation, 393 kB of additional disk space will be used. Get:1 http://snapshot.notset.fr/archive/debian/20191202T160249Z unstable/main amd64 libfakeroot amd64 1.24-1 [45.7 kB] Get:2 http://snapshot.notset.fr/archive/debian/20191202T160249Z unstable/main amd64 fakeroot amd64 1.24-1 [85.9 kB] debconf: delaying package configuration, since apt-utils is not installed Fetched 132 kB in 0s (1170 kB/s) Selecting previously unselected package libfakeroot:amd64. (Reading database ... (Reading database ... 5% (Reading database ... 10% (Reading database ... 15% (Reading database ... 20% (Reading database ... 25% (Reading database ... 30% (Reading database ... 35% (Reading database ... 40% (Reading database ... 45% (Reading database ... 50% (Reading database ... 55% (Reading database ... 60% (Reading database ... 65% (Reading database ... 70% (Reading database ... 75% (Reading database ... 80% (Reading database ... 85% (Reading database ... 90% (Reading database ... 95% (Reading database ... 100% (Reading database ... 4507 files and directories currently installed.) Preparing to unpack .../libfakeroot_1.24-1_amd64.deb ... Unpacking libfakeroot:amd64 (1.24-1) ... Selecting previously unselected package fakeroot. Preparing to unpack .../fakeroot_1.24-1_amd64.deb ... Unpacking fakeroot (1.24-1) ... Setting up libfakeroot:amd64 (1.24-1) ... Setting up fakeroot (1.24-1) ... update-alternatives: using /usr/bin/fakeroot-sysv to provide /usr/bin/fakeroot (fakeroot) in auto mode Processing triggers for libc-bin (2.29-3) ... I: running special hook: copy-in /usr/share/keyrings/debian-archive-bullseye-automatic.gpg /usr/share/keyrings/debian-archive-bullseye-security-automatic.gpg /usr/share/keyrings/debian-archive-bullseye-stable.gpg /usr/share/keyrings/debian-archive-buster-automatic.gpg /usr/share/keyrings/debian-archive-buster-security-automatic.gpg /usr/share/keyrings/debian-archive-buster-stable.gpg /usr/share/keyrings/debian-archive-keyring.gpg /usr/share/keyrings/debian-archive-removed-keys.gpg /usr/share/keyrings/debian-archive-stretch-automatic.gpg /usr/share/keyrings/debian-archive-stretch-security-automatic.gpg /usr/share/keyrings/debian-archive-stretch-stable.gpg /usr/share/keyrings/debian-ports-archive-keyring-removed.gpg /usr/share/keyrings/debian-ports-archive-keyring.gpg /usr/share/keyrings/debian-keyring.gpg /etc/apt/trusted.gpg.d/ I: running --essential-hook in shell: sh -c 'chroot "$1" sh -c "rm /etc/apt/sources.list && echo 'deb http://snapshot.notset.fr/archive/debian/20210814T212851Z/ bookworm main deb-src http://snapshot.notset.fr/archive/debian/20210814T212851Z/ bookworm main deb http://snapshot.notset.fr/archive/debian/20191230T211841Z/ unstable main deb http://snapshot.notset.fr/archive/debian/20191202T160249Z/ unstable main' >> /etc/apt/sources.list && apt-get update"' exec /tmp/mmdebstrap.SiraszBG6x Get:1 http://snapshot.notset.fr/archive/debian/20210814T212851Z bookworm InRelease [81.6 kB] Get:2 http://snapshot.notset.fr/archive/debian/20191230T211841Z unstable InRelease [142 kB] Hit:3 http://snapshot.notset.fr/archive/debian/20191202T160249Z unstable InRelease Ign:4 http://snapshot.notset.fr/archive/debian/20210814T212851Z bookworm/main Sources Ign:5 http://snapshot.notset.fr/archive/debian/20210814T212851Z bookworm/main amd64 Packages Ign:4 http://snapshot.notset.fr/archive/debian/20210814T212851Z bookworm/main Sources Ign:5 http://snapshot.notset.fr/archive/debian/20210814T212851Z bookworm/main amd64 Packages Ign:4 http://snapshot.notset.fr/archive/debian/20210814T212851Z bookworm/main Sources Ign:5 http://snapshot.notset.fr/archive/debian/20210814T212851Z bookworm/main amd64 Packages Get:4 http://snapshot.notset.fr/archive/debian/20210814T212851Z bookworm/main Sources [11.4 MB] Get:5 http://snapshot.notset.fr/archive/debian/20210814T212851Z bookworm/main amd64 Packages [11.1 MB] Ign:6 http://snapshot.notset.fr/archive/debian/20191230T211841Z unstable/main amd64 Packages Ign:6 http://snapshot.notset.fr/archive/debian/20191230T211841Z unstable/main amd64 Packages Ign:6 http://snapshot.notset.fr/archive/debian/20191230T211841Z unstable/main amd64 Packages Get:6 http://snapshot.notset.fr/archive/debian/20191230T211841Z unstable/main amd64 Packages [11.0 MB] Fetched 33.7 MB in 28s (1195 kB/s) Reading package lists... I: installing remaining packages inside the chroot... I: running --customize-hook in shell: sh -c 'chroot "$1" useradd --no-create-home -d /nonexistent -p "" builduser -s /bin/bash' exec /tmp/mmdebstrap.SiraszBG6x I: running --customize-hook in shell: sh -c 'chroot "$1" env sh -c "apt-get source --only-source -d node-functional-red-black-tree=1.0.1+20181105-4 && mkdir -p /build/node-functional-red-black-tree-NpiZZb && dpkg-source --no-check -x /*.dsc /build/node-functional-red-black-tree-NpiZZb/node-functional-red-black-tree-1.0.1+20181105 && chown -R builduser:builduser /build/node-functional-red-black-tree-NpiZZb"' exec /tmp/mmdebstrap.SiraszBG6x Reading package lists... NOTICE: 'node-functional-red-black-tree' packaging is maintained in the 'Git' version control system at: https://salsa.debian.org/js-team/node-functional-red-black-tree.git Please use: git clone https://salsa.debian.org/js-team/node-functional-red-black-tree.git to retrieve the latest (possibly unreleased) updates to the package. Need to get 18.8 kB of source archives. Get:1 http://snapshot.notset.fr/archive/debian/20210814T212851Z bookworm/main node-functional-red-black-tree 1.0.1+20181105-4 (dsc) [2458 B] Get:2 http://snapshot.notset.fr/archive/debian/20210814T212851Z bookworm/main node-functional-red-black-tree 1.0.1+20181105-4 (tar) [10.2 kB] Get:3 http://snapshot.notset.fr/archive/debian/20210814T212851Z bookworm/main node-functional-red-black-tree 1.0.1+20181105-4 (diff) [6096 B] Fetched 18.8 kB in 0s (543 kB/s) Download complete and in download only mode W: Download is performed unsandboxed as root as file 'node-functional-red-black-tree_1.0.1+20181105-4.dsc' couldn't be accessed by user '_apt'. - pkgAcquire::Run (13: Permission denied) dpkg-source: info: extracting node-functional-red-black-tree in /build/node-functional-red-black-tree-NpiZZb/node-functional-red-black-tree-1.0.1+20181105 dpkg-source: info: unpacking node-functional-red-black-tree_1.0.1+20181105.orig.tar.gz dpkg-source: info: unpacking node-functional-red-black-tree_1.0.1+20181105-4.debian.tar.xz dpkg-source: info: using patch list from debian/patches/series dpkg-source: info: applying 2001_avoid_module_iota-array.patch I: running --customize-hook in shell: sh -c 'chroot "$1" env --unset=TMPDIR runuser builduser -c "cd /build/node-functional-red-black-tree-NpiZZb/node-functional-red-black-tree-1.0.1+20181105 && env DEB_BUILD_OPTIONS="parallel=4" LC_ALL="C.UTF-8" SOURCE_DATE_EPOCH="1575491536" dpkg-buildpackage -uc -a amd64 --build=all"' exec /tmp/mmdebstrap.SiraszBG6x dpkg-buildpackage: info: source package node-functional-red-black-tree dpkg-buildpackage: info: source version 1.0.1+20181105-4 dpkg-buildpackage: info: source distribution unstable dpkg-buildpackage: info: source changed by Jonas Smedegaard dpkg-source --before-build . debian/rules clean dh clean debian/rules override_dh_clean make[1]: Entering directory '/build/node-functional-red-black-tree-NpiZZb/node-functional-red-black-tree-1.0.1+20181105' dh_clean -- README.html README.txt make[1]: Leaving directory '/build/node-functional-red-black-tree-NpiZZb/node-functional-red-black-tree-1.0.1+20181105' debian/rules binary-indep dh binary-indep dh_update_autotools_config -i dh_autoreconf -i debian/rules override_dh_auto_build make[1]: Entering directory '/build/node-functional-red-black-tree-NpiZZb/node-functional-red-black-tree-1.0.1+20181105' pandoc --from gfm-raw_html --to html --standalone --output README.html README.md [WARNING] This document format requires a nonempty element. Please specify either 'title' or 'pagetitle' in the metadata, e.g. by using --metadata pagetitle="..." on the command line. Falling back to 'README' pandoc --from gfm-raw_html --to plain --output README.txt README.md mkdir --parents debian/js/ echo '// @copyright 2013 Mikola Lysenko' >> debian/js/rbtree.js echo '// @license magnet:?xt=urn:btih:d3d9a9a6595521f9666a5e94cc830dab83b65699&dn=expat.txt Expat' >> debian/js/rbtree.js cat rbtree.js >> debian/js/rbtree.js echo '// @license-end' >> debian/js/rbtree.js mkdir --parents debian/js/ uglifyjs --compress --mangle --source-map "base='/build/node-functional-red-black-tree-NpiZZb/node-functional-red-black-tree-1.0.1+20181105/debian/js',url='rbtree.min.js.map'" --output debian/js/rbtree.min.js -- rbtree.js mv -f debian/js/rbtree.min.js debian/js/rbtree.min.js~ echo '// @copyright 2013 Mikola Lysenko' >> debian/js/rbtree.min.js echo '// @license magnet:?xt=urn:btih:d3d9a9a6595521f9666a5e94cc830dab83b65699&dn=expat.txt Expat' >> debian/js/rbtree.min.js cat debian/js/rbtree.min.js~ >> debian/js/rbtree.min.js echo '// @license-end' >> debian/js/rbtree.min.js rm -f debian/js/rbtree.min.js~ pigz --force --keep -11 -- debian/js/rbtree.min.js brotli --force --keep --best -- debian/js/rbtree.min.js dh override_dh_auto_build make[1]: Leaving directory '/build/node-functional-red-black-tree-NpiZZb/node-functional-red-black-tree-1.0.1+20181105' debian/rules override_dh_auto_test make[1]: Entering directory '/build/node-functional-red-black-tree-NpiZZb/node-functional-red-black-tree-1.0.1+20181105' tape test/*.js TAP version 13 # insert() ok 1 root is black ok 2 node color must be red or black ok 3 number of black nodes along all paths to root must be constant ok 4 item count consistency ok 5 tree length ok 6 should be equal ok 7 root is black ok 8 node color must be red or black ok 9 number of black nodes along all paths to root must be constant ok 10 item count consistency ok 11 tree length ok 12 root is black ok 13 node color must be red or black ok 14 left tree order invariant ok 15 children of red node must be black ok 16 children of red node must be black ok 17 number of black nodes along all paths to root must be constant ok 18 item count consistency ok 19 number of black nodes along all paths to root must be constant ok 20 item count consistency ok 21 tree length ok 22 should be equal ok 23 root is black ok 24 node color must be red or black ok 25 left tree order invariant ok 26 children of red node must be black ok 27 children of red node must be black ok 28 number of black nodes along all paths to root must be constant ok 29 item count consistency ok 30 number of black nodes along all paths to root must be constant ok 31 item count consistency ok 32 tree length ok 33 root is black ok 34 node color must be red or black ok 35 left tree order invariant ok 36 right tree order invariant ok 37 children of red node must be black ok 38 children of red node must be black ok 39 number of black nodes along all paths to root must be constant ok 40 item count consistency ok 41 children of red node must be black ok 42 children of red node must be black ok 43 number of black nodes along all paths to root must be constant ok 44 item count consistency ok 45 number of black nodes along all paths to root must be constant ok 46 item count consistency ok 47 tree length ok 48 should be equal ok 49 root is black ok 50 node color must be red or black ok 51 left tree order invariant ok 52 right tree order invariant ok 53 children of red node must be black ok 54 children of red node must be black ok 55 number of black nodes along all paths to root must be constant ok 56 item count consistency ok 57 children of red node must be black ok 58 children of red node must be black ok 59 number of black nodes along all paths to root must be constant ok 60 item count consistency ok 61 number of black nodes along all paths to root must be constant ok 62 item count consistency ok 63 tree length ok 64 root is black ok 65 node color must be red or black ok 66 left tree order invariant ok 67 right tree order invariant ok 68 node color must be red or black ok 69 left tree order invariant ok 70 children of red node must be black ok 71 children of red node must be black ok 72 number of black nodes along all paths to root must be constant ok 73 item count consistency ok 74 number of black nodes along all paths to root must be constant ok 75 item count consistency ok 76 node color must be red or black ok 77 number of black nodes along all paths to root must be constant ok 78 item count consistency ok 79 number of black nodes along all paths to root must be constant ok 80 item count consistency ok 81 tree length ok 82 should be equal ok 83 root is black ok 84 node color must be red or black ok 85 left tree order invariant ok 86 right tree order invariant ok 87 node color must be red or black ok 88 left tree order invariant ok 89 children of red node must be black ok 90 children of red node must be black ok 91 number of black nodes along all paths to root must be constant ok 92 item count consistency ok 93 number of black nodes along all paths to root must be constant ok 94 item count consistency ok 95 node color must be red or black ok 96 number of black nodes along all paths to root must be constant ok 97 item count consistency ok 98 number of black nodes along all paths to root must be constant ok 99 item count consistency ok 100 tree length ok 101 root is black ok 102 node color must be red or black ok 103 left tree order invariant ok 104 right tree order invariant ok 105 node color must be red or black ok 106 left tree order invariant ok 107 right tree order invariant ok 108 children of red node must be black ok 109 children of red node must be black ok 110 number of black nodes along all paths to root must be constant ok 111 item count consistency ok 112 children of red node must be black ok 113 children of red node must be black ok 114 number of black nodes along all paths to root must be constant ok 115 item count consistency ok 116 number of black nodes along all paths to root must be constant ok 117 item count consistency ok 118 node color must be red or black ok 119 number of black nodes along all paths to root must be constant ok 120 item count consistency ok 121 number of black nodes along all paths to root must be constant ok 122 item count consistency ok 123 tree length ok 124 should be equal ok 125 root is black ok 126 node color must be red or black ok 127 left tree order invariant ok 128 right tree order invariant ok 129 node color must be red or black ok 130 left tree order invariant ok 131 right tree order invariant ok 132 children of red node must be black ok 133 children of red node must be black ok 134 number of black nodes along all paths to root must be constant ok 135 item count consistency ok 136 children of red node must be black ok 137 children of red node must be black ok 138 number of black nodes along all paths to root must be constant ok 139 item count consistency ok 140 number of black nodes along all paths to root must be constant ok 141 item count consistency ok 142 node color must be red or black ok 143 number of black nodes along all paths to root must be constant ok 144 item count consistency ok 145 number of black nodes along all paths to root must be constant ok 146 item count consistency ok 147 tree length ok 148 root is black ok 149 node color must be red or black ok 150 left tree order invariant ok 151 right tree order invariant ok 152 children of red node must be black ok 153 children of red node must be black ok 154 left tree order invariant ok 155 right tree order invariant ok 156 node color must be red or black ok 157 left tree order invariant ok 158 children of red node must be black ok 159 children of red node must be black ok 160 number of black nodes along all paths to root must be constant ok 161 item count consistency ok 162 number of black nodes along all paths to root must be constant ok 163 item count consistency ok 164 node color must be red or black ok 165 number of black nodes along all paths to root must be constant ok 166 item count consistency ok 167 number of black nodes along all paths to root must be constant ok 168 item count consistency ok 169 node color must be red or black ok 170 number of black nodes along all paths to root must be constant ok 171 item count consistency ok 172 number of black nodes along all paths to root must be constant ok 173 item count consistency ok 174 tree length ok 175 should be equal ok 176 root is black ok 177 node color must be red or black ok 178 left tree order invariant ok 179 right tree order invariant ok 180 children of red node must be black ok 181 children of red node must be black ok 182 left tree order invariant ok 183 right tree order invariant ok 184 node color must be red or black ok 185 left tree order invariant ok 186 children of red node must be black ok 187 children of red node must be black ok 188 number of black nodes along all paths to root must be constant ok 189 item count consistency ok 190 number of black nodes along all paths to root must be constant ok 191 item count consistency ok 192 node color must be red or black ok 193 number of black nodes along all paths to root must be constant ok 194 item count consistency ok 195 number of black nodes along all paths to root must be constant ok 196 item count consistency ok 197 node color must be red or black ok 198 number of black nodes along all paths to root must be constant ok 199 item count consistency ok 200 number of black nodes along all paths to root must be constant ok 201 item count consistency ok 202 tree length ok 203 root is black ok 204 node color must be red or black ok 205 left tree order invariant ok 206 right tree order invariant ok 207 children of red node must be black ok 208 children of red node must be black ok 209 left tree order invariant ok 210 right tree order invariant ok 211 node color must be red or black ok 212 left tree order invariant ok 213 right tree order invariant ok 214 children of red node must be black ok 215 children of red node must be black ok 216 number of black nodes along all paths to root must be constant ok 217 item count consistency ok 218 children of red node must be black ok 219 children of red node must be black ok 220 number of black nodes along all paths to root must be constant ok 221 item count consistency ok 222 number of black nodes along all paths to root must be constant ok 223 item count consistency ok 224 node color must be red or black ok 225 number of black nodes along all paths to root must be constant ok 226 item count consistency ok 227 number of black nodes along all paths to root must be constant ok 228 item count consistency ok 229 node color must be red or black ok 230 number of black nodes along all paths to root must be constant ok 231 item count consistency ok 232 number of black nodes along all paths to root must be constant ok 233 item count consistency ok 234 tree length ok 235 should be equal ok 236 root is black ok 237 node color must be red or black ok 238 left tree order invariant ok 239 right tree order invariant ok 240 children of red node must be black ok 241 children of red node must be black ok 242 left tree order invariant ok 243 right tree order invariant ok 244 node color must be red or black ok 245 left tree order invariant ok 246 right tree order invariant ok 247 children of red node must be black ok 248 children of red node must be black ok 249 number of black nodes along all paths to root must be constant ok 250 item count consistency ok 251 children of red node must be black ok 252 children of red node must be black ok 253 number of black nodes along all paths to root must be constant ok 254 item count consistency ok 255 number of black nodes along all paths to root must be constant ok 256 item count consistency ok 257 node color must be red or black ok 258 number of black nodes along all paths to root must be constant ok 259 item count consistency ok 260 number of black nodes along all paths to root must be constant ok 261 item count consistency ok 262 node color must be red or black ok 263 number of black nodes along all paths to root must be constant ok 264 item count consistency ok 265 number of black nodes along all paths to root must be constant ok 266 item count consistency ok 267 tree length ok 268 root is black ok 269 node color must be red or black ok 270 left tree order invariant ok 271 right tree order invariant ok 272 children of red node must be black ok 273 children of red node must be black ok 274 left tree order invariant ok 275 right tree order invariant ok 276 node color must be red or black ok 277 left tree order invariant ok 278 children of red node must be black ok 279 children of red node must be black ok 280 number of black nodes along all paths to root must be constant ok 281 item count consistency ok 282 number of black nodes along all paths to root must be constant ok 283 item count consistency ok 284 node color must be red or black ok 285 number of black nodes along all paths to root must be constant ok 286 item count consistency ok 287 number of black nodes along all paths to root must be constant ok 288 item count consistency ok 289 children of red node must be black ok 290 children of red node must be black ok 291 left tree order invariant ok 292 right tree order invariant ok 293 node color must be red or black ok 294 number of black nodes along all paths to root must be constant ok 295 item count consistency ok 296 node color must be red or black ok 297 number of black nodes along all paths to root must be constant ok 298 item count consistency ok 299 number of black nodes along all paths to root must be constant ok 300 item count consistency ok 301 number of black nodes along all paths to root must be constant ok 302 item count consistency ok 303 tree length ok 304 should be equal ok 305 root is black ok 306 node color must be red or black ok 307 left tree order invariant ok 308 right tree order invariant ok 309 children of red node must be black ok 310 children of red node must be black ok 311 left tree order invariant ok 312 right tree order invariant ok 313 node color must be red or black ok 314 left tree order invariant ok 315 children of red node must be black ok 316 children of red node must be black ok 317 number of black nodes along all paths to root must be constant ok 318 item count consistency ok 319 number of black nodes along all paths to root must be constant ok 320 item count consistency ok 321 node color must be red or black ok 322 number of black nodes along all paths to root must be constant ok 323 item count consistency ok 324 number of black nodes along all paths to root must be constant ok 325 item count consistency ok 326 children of red node must be black ok 327 children of red node must be black ok 328 left tree order invariant ok 329 right tree order invariant ok 330 node color must be red or black ok 331 number of black nodes along all paths to root must be constant ok 332 item count consistency ok 333 node color must be red or black ok 334 number of black nodes along all paths to root must be constant ok 335 item count consistency ok 336 number of black nodes along all paths to root must be constant ok 337 item count consistency ok 338 number of black nodes along all paths to root must be constant ok 339 item count consistency ok 340 tree length ok 341 root is black ok 342 node color must be red or black ok 343 left tree order invariant ok 344 right tree order invariant ok 345 children of red node must be black ok 346 children of red node must be black ok 347 left tree order invariant ok 348 right tree order invariant ok 349 node color must be red or black ok 350 left tree order invariant ok 351 right tree order invariant ok 352 children of red node must be black ok 353 children of red node must be black ok 354 number of black nodes along all paths to root must be constant ok 355 item count consistency ok 356 children of red node must be black ok 357 children of red node must be black ok 358 number of black nodes along all paths to root must be constant ok 359 item count consistency ok 360 number of black nodes along all paths to root must be constant ok 361 item count consistency ok 362 node color must be red or black ok 363 number of black nodes along all paths to root must be constant ok 364 item count consistency ok 365 number of black nodes along all paths to root must be constant ok 366 item count consistency ok 367 children of red node must be black ok 368 children of red node must be black ok 369 left tree order invariant ok 370 right tree order invariant ok 371 node color must be red or black ok 372 number of black nodes along all paths to root must be constant ok 373 item count consistency ok 374 node color must be red or black ok 375 number of black nodes along all paths to root must be constant ok 376 item count consistency ok 377 number of black nodes along all paths to root must be constant ok 378 item count consistency ok 379 number of black nodes along all paths to root must be constant ok 380 item count consistency ok 381 tree length ok 382 should be equal ok 383 root is black ok 384 node color must be red or black ok 385 left tree order invariant ok 386 right tree order invariant ok 387 children of red node must be black ok 388 children of red node must be black ok 389 left tree order invariant ok 390 right tree order invariant ok 391 node color must be red or black ok 392 left tree order invariant ok 393 right tree order invariant ok 394 children of red node must be black ok 395 children of red node must be black ok 396 number of black nodes along all paths to root must be constant ok 397 item count consistency ok 398 children of red node must be black ok 399 children of red node must be black ok 400 number of black nodes along all paths to root must be constant ok 401 item count consistency ok 402 number of black nodes along all paths to root must be constant ok 403 item count consistency ok 404 node color must be red or black ok 405 number of black nodes along all paths to root must be constant ok 406 item count consistency ok 407 number of black nodes along all paths to root must be constant ok 408 item count consistency ok 409 children of red node must be black ok 410 children of red node must be black ok 411 left tree order invariant ok 412 right tree order invariant ok 413 node color must be red or black ok 414 number of black nodes along all paths to root must be constant ok 415 item count consistency ok 416 node color must be red or black ok 417 number of black nodes along all paths to root must be constant ok 418 item count consistency ok 419 number of black nodes along all paths to root must be constant ok 420 item count consistency ok 421 number of black nodes along all paths to root must be constant ok 422 item count consistency ok 423 tree length ok 424 root is black ok 425 node color must be red or black ok 426 left tree order invariant ok 427 right tree order invariant ok 428 node color must be red or black ok 429 left tree order invariant ok 430 right tree order invariant ok 431 children of red node must be black ok 432 children of red node must be black ok 433 left tree order invariant ok 434 right tree order invariant ok 435 node color must be red or black ok 436 left tree order invariant ok 437 children of red node must be black ok 438 children of red node must be black ok 439 number of black nodes along all paths to root must be constant ok 440 item count consistency ok 441 number of black nodes along all paths to root must be constant ok 442 item count consistency ok 443 node color must be red or black ok 444 number of black nodes along all paths to root must be constant ok 445 item count consistency ok 446 number of black nodes along all paths to root must be constant ok 447 item count consistency ok 448 node color must be red or black ok 449 number of black nodes along all paths to root must be constant ok 450 item count consistency ok 451 number of black nodes along all paths to root must be constant ok 452 item count consistency ok 453 node color must be red or black ok 454 left tree order invariant ok 455 right tree order invariant ok 456 node color must be red or black ok 457 number of black nodes along all paths to root must be constant ok 458 item count consistency ok 459 node color must be red or black ok 460 number of black nodes along all paths to root must be constant ok 461 item count consistency ok 462 number of black nodes along all paths to root must be constant ok 463 item count consistency ok 464 number of black nodes along all paths to root must be constant ok 465 item count consistency ok 466 tree length ok 467 should be equal ok 468 root is black ok 469 node color must be red or black ok 470 left tree order invariant ok 471 right tree order invariant ok 472 node color must be red or black ok 473 left tree order invariant ok 474 right tree order invariant ok 475 children of red node must be black ok 476 children of red node must be black ok 477 left tree order invariant ok 478 right tree order invariant ok 479 node color must be red or black ok 480 left tree order invariant ok 481 children of red node must be black ok 482 children of red node must be black ok 483 number of black nodes along all paths to root must be constant ok 484 item count consistency ok 485 number of black nodes along all paths to root must be constant ok 486 item count consistency ok 487 node color must be red or black ok 488 number of black nodes along all paths to root must be constant ok 489 item count consistency ok 490 number of black nodes along all paths to root must be constant ok 491 item count consistency ok 492 node color must be red or black ok 493 number of black nodes along all paths to root must be constant ok 494 item count consistency ok 495 number of black nodes along all paths to root must be constant ok 496 item count consistency ok 497 node color must be red or black ok 498 left tree order invariant ok 499 right tree order invariant ok 500 node color must be red or black ok 501 number of black nodes along all paths to root must be constant ok 502 item count consistency ok 503 node color must be red or black ok 504 number of black nodes along all paths to root must be constant ok 505 item count consistency ok 506 number of black nodes along all paths to root must be constant ok 507 item count consistency ok 508 number of black nodes along all paths to root must be constant ok 509 item count consistency ok 510 tree length ok 511 root is black ok 512 node color must be red or black ok 513 left tree order invariant ok 514 right tree order invariant ok 515 node color must be red or black ok 516 left tree order invariant ok 517 right tree order invariant ok 518 children of red node must be black ok 519 children of red node must be black ok 520 left tree order invariant ok 521 right tree order invariant ok 522 node color must be red or black ok 523 left tree order invariant ok 524 right tree order invariant ok 525 children of red node must be black ok 526 children of red node must be black ok 527 number of black nodes along all paths to root must be constant ok 528 item count consistency ok 529 children of red node must be black ok 530 children of red node must be black ok 531 number of black nodes along all paths to root must be constant ok 532 item count consistency ok 533 number of black nodes along all paths to root must be constant ok 534 item count consistency ok 535 node color must be red or black ok 536 number of black nodes along all paths to root must be constant ok 537 item count consistency ok 538 number of black nodes along all paths to root must be constant ok 539 item count consistency ok 540 node color must be red or black ok 541 number of black nodes along all paths to root must be constant ok 542 item count consistency ok 543 number of black nodes along all paths to root must be constant ok 544 item count consistency ok 545 node color must be red or black ok 546 left tree order invariant ok 547 right tree order invariant ok 548 node color must be red or black ok 549 number of black nodes along all paths to root must be constant ok 550 item count consistency ok 551 node color must be red or black ok 552 number of black nodes along all paths to root must be constant ok 553 item count consistency ok 554 number of black nodes along all paths to root must be constant ok 555 item count consistency ok 556 number of black nodes along all paths to root must be constant ok 557 item count consistency ok 558 tree length ok 559 should be equal ok 560 root is black ok 561 node color must be red or black ok 562 left tree order invariant ok 563 right tree order invariant ok 564 node color must be red or black ok 565 left tree order invariant ok 566 right tree order invariant ok 567 children of red node must be black ok 568 children of red node must be black ok 569 left tree order invariant ok 570 right tree order invariant ok 571 node color must be red or black ok 572 left tree order invariant ok 573 right tree order invariant ok 574 children of red node must be black ok 575 children of red node must be black ok 576 number of black nodes along all paths to root must be constant ok 577 item count consistency ok 578 children of red node must be black ok 579 children of red node must be black ok 580 number of black nodes along all paths to root must be constant ok 581 item count consistency ok 582 number of black nodes along all paths to root must be constant ok 583 item count consistency ok 584 node color must be red or black ok 585 number of black nodes along all paths to root must be constant ok 586 item count consistency ok 587 number of black nodes along all paths to root must be constant ok 588 item count consistency ok 589 node color must be red or black ok 590 number of black nodes along all paths to root must be constant ok 591 item count consistency ok 592 number of black nodes along all paths to root must be constant ok 593 item count consistency ok 594 node color must be red or black ok 595 left tree order invariant ok 596 right tree order invariant ok 597 node color must be red or black ok 598 number of black nodes along all paths to root must be constant ok 599 item count consistency ok 600 node color must be red or black ok 601 number of black nodes along all paths to root must be constant ok 602 item count consistency ok 603 number of black nodes along all paths to root must be constant ok 604 item count consistency ok 605 number of black nodes along all paths to root must be constant ok 606 item count consistency ok 607 tree length ok 608 root is black ok 609 node color must be red or black ok 610 left tree order invariant ok 611 right tree order invariant ok 612 node color must be red or black ok 613 left tree order invariant ok 614 right tree order invariant ok 615 children of red node must be black ok 616 children of red node must be black ok 617 left tree order invariant ok 618 right tree order invariant ok 619 node color must be red or black ok 620 left tree order invariant ok 621 children of red node must be black ok 622 children of red node must be black ok 623 number of black nodes along all paths to root must be constant ok 624 item count consistency ok 625 number of black nodes along all paths to root must be constant ok 626 item count consistency ok 627 node color must be red or black ok 628 number of black nodes along all paths to root must be constant ok 629 item count consistency ok 630 number of black nodes along all paths to root must be constant ok 631 item count consistency ok 632 children of red node must be black ok 633 children of red node must be black ok 634 left tree order invariant ok 635 right tree order invariant ok 636 node color must be red or black ok 637 number of black nodes along all paths to root must be constant ok 638 item count consistency ok 639 node color must be red or black ok 640 number of black nodes along all paths to root must be constant ok 641 item count consistency ok 642 number of black nodes along all paths to root must be constant ok 643 item count consistency ok 644 number of black nodes along all paths to root must be constant ok 645 item count consistency ok 646 node color must be red or black ok 647 left tree order invariant ok 648 right tree order invariant ok 649 node color must be red or black ok 650 number of black nodes along all paths to root must be constant ok 651 item count consistency ok 652 node color must be red or black ok 653 number of black nodes along all paths to root must be constant ok 654 item count consistency ok 655 number of black nodes along all paths to root must be constant ok 656 item count consistency ok 657 number of black nodes along all paths to root must be constant ok 658 item count consistency ok 659 tree length ok 660 should be equal ok 661 root is black ok 662 node color must be red or black ok 663 left tree order invariant ok 664 right tree order invariant ok 665 node color must be red or black ok 666 left tree order invariant ok 667 right tree order invariant ok 668 children of red node must be black ok 669 children of red node must be black ok 670 left tree order invariant ok 671 right tree order invariant ok 672 node color must be red or black ok 673 left tree order invariant ok 674 children of red node must be black ok 675 children of red node must be black ok 676 number of black nodes along all paths to root must be constant ok 677 item count consistency ok 678 number of black nodes along all paths to root must be constant ok 679 item count consistency ok 680 node color must be red or black ok 681 number of black nodes along all paths to root must be constant ok 682 item count consistency ok 683 number of black nodes along all paths to root must be constant ok 684 item count consistency ok 685 children of red node must be black ok 686 children of red node must be black ok 687 left tree order invariant ok 688 right tree order invariant ok 689 node color must be red or black ok 690 number of black nodes along all paths to root must be constant ok 691 item count consistency ok 692 node color must be red or black ok 693 number of black nodes along all paths to root must be constant ok 694 item count consistency ok 695 number of black nodes along all paths to root must be constant ok 696 item count consistency ok 697 number of black nodes along all paths to root must be constant ok 698 item count consistency ok 699 node color must be red or black ok 700 left tree order invariant ok 701 right tree order invariant ok 702 node color must be red or black ok 703 number of black nodes along all paths to root must be constant ok 704 item count consistency ok 705 node color must be red or black ok 706 number of black nodes along all paths to root must be constant ok 707 item count consistency ok 708 number of black nodes along all paths to root must be constant ok 709 item count consistency ok 710 number of black nodes along all paths to root must be constant ok 711 item count consistency ok 712 tree length ok 713 root is black ok 714 node color must be red or black ok 715 left tree order invariant ok 716 right tree order invariant ok 717 node color must be red or black ok 718 left tree order invariant ok 719 right tree order invariant ok 720 children of red node must be black ok 721 children of red node must be black ok 722 left tree order invariant ok 723 right tree order invariant ok 724 node color must be red or black ok 725 left tree order invariant ok 726 right tree order invariant ok 727 children of red node must be black ok 728 children of red node must be black ok 729 number of black nodes along all paths to root must be constant ok 730 item count consistency ok 731 children of red node must be black ok 732 children of red node must be black ok 733 number of black nodes along all paths to root must be constant ok 734 item count consistency ok 735 number of black nodes along all paths to root must be constant ok 736 item count consistency ok 737 node color must be red or black ok 738 number of black nodes along all paths to root must be constant ok 739 item count consistency ok 740 number of black nodes along all paths to root must be constant ok 741 item count consistency ok 742 children of red node must be black ok 743 children of red node must be black ok 744 left tree order invariant ok 745 right tree order invariant ok 746 node color must be red or black ok 747 number of black nodes along all paths to root must be constant ok 748 item count consistency ok 749 node color must be red or black ok 750 number of black nodes along all paths to root must be constant ok 751 item count consistency ok 752 number of black nodes along all paths to root must be constant ok 753 item count consistency ok 754 number of black nodes along all paths to root must be constant ok 755 item count consistency ok 756 node color must be red or black ok 757 left tree order invariant ok 758 right tree order invariant ok 759 node color must be red or black ok 760 number of black nodes along all paths to root must be constant ok 761 item count consistency ok 762 node color must be red or black ok 763 number of black nodes along all paths to root must be constant ok 764 item count consistency ok 765 number of black nodes along all paths to root must be constant ok 766 item count consistency ok 767 number of black nodes along all paths to root must be constant ok 768 item count consistency ok 769 tree length ok 770 should be equal ok 771 root is black ok 772 node color must be red or black ok 773 left tree order invariant ok 774 right tree order invariant ok 775 node color must be red or black ok 776 left tree order invariant ok 777 right tree order invariant ok 778 children of red node must be black ok 779 children of red node must be black ok 780 left tree order invariant ok 781 right tree order invariant ok 782 node color must be red or black ok 783 left tree order invariant ok 784 right tree order invariant ok 785 children of red node must be black ok 786 children of red node must be black ok 787 number of black nodes along all paths to root must be constant ok 788 item count consistency ok 789 children of red node must be black ok 790 children of red node must be black ok 791 number of black nodes along all paths to root must be constant ok 792 item count consistency ok 793 number of black nodes along all paths to root must be constant ok 794 item count consistency ok 795 node color must be red or black ok 796 number of black nodes along all paths to root must be constant ok 797 item count consistency ok 798 number of black nodes along all paths to root must be constant ok 799 item count consistency ok 800 children of red node must be black ok 801 children of red node must be black ok 802 left tree order invariant ok 803 right tree order invariant ok 804 node color must be red or black ok 805 number of black nodes along all paths to root must be constant ok 806 item count consistency ok 807 node color must be red or black ok 808 number of black nodes along all paths to root must be constant ok 809 item count consistency ok 810 number of black nodes along all paths to root must be constant ok 811 item count consistency ok 812 number of black nodes along all paths to root must be constant ok 813 item count consistency ok 814 node color must be red or black ok 815 left tree order invariant ok 816 right tree order invariant ok 817 node color must be red or black ok 818 number of black nodes along all paths to root must be constant ok 819 item count consistency ok 820 node color must be red or black ok 821 number of black nodes along all paths to root must be constant ok 822 item count consistency ok 823 number of black nodes along all paths to root must be constant ok 824 item count consistency ok 825 number of black nodes along all paths to root must be constant ok 826 item count consistency ok 827 tree length ok 828 root is black ok 829 node color must be red or black ok 830 left tree order invariant ok 831 right tree order invariant ok 832 children of red node must be black ok 833 children of red node must be black ok 834 left tree order invariant ok 835 right tree order invariant ok 836 node color must be red or black ok 837 left tree order invariant ok 838 right tree order invariant ok 839 children of red node must be black ok 840 children of red node must be black ok 841 left tree order invariant ok 842 right tree order invariant ok 843 node color must be red or black ok 844 left tree order invariant ok 845 children of red node must be black ok 846 children of red node must be black ok 847 number of black nodes along all paths to root must be constant ok 848 item count consistency ok 849 number of black nodes along all paths to root must be constant ok 850 item count consistency ok 851 node color must be red or black ok 852 number of black nodes along all paths to root must be constant ok 853 item count consistency ok 854 number of black nodes along all paths to root must be constant ok 855 item count consistency ok 856 node color must be red or black ok 857 number of black nodes along all paths to root must be constant ok 858 item count consistency ok 859 number of black nodes along all paths to root must be constant ok 860 item count consistency ok 861 node color must be red or black ok 862 left tree order invariant ok 863 right tree order invariant ok 864 node color must be red or black ok 865 number of black nodes along all paths to root must be constant ok 866 item count consistency ok 867 node color must be red or black ok 868 number of black nodes along all paths to root must be constant ok 869 item count consistency ok 870 number of black nodes along all paths to root must be constant ok 871 item count consistency ok 872 number of black nodes along all paths to root must be constant ok 873 item count consistency ok 874 node color must be red or black ok 875 left tree order invariant ok 876 right tree order invariant ok 877 node color must be red or black ok 878 number of black nodes along all paths to root must be constant ok 879 item count consistency ok 880 node color must be red or black ok 881 number of black nodes along all paths to root must be constant ok 882 item count consistency ok 883 number of black nodes along all paths to root must be constant ok 884 item count consistency ok 885 number of black nodes along all paths to root must be constant ok 886 item count consistency ok 887 tree length ok 888 should be equal ok 889 root is black ok 890 node color must be red or black ok 891 left tree order invariant ok 892 right tree order invariant ok 893 children of red node must be black ok 894 children of red node must be black ok 895 left tree order invariant ok 896 right tree order invariant ok 897 node color must be red or black ok 898 left tree order invariant ok 899 right tree order invariant ok 900 children of red node must be black ok 901 children of red node must be black ok 902 left tree order invariant ok 903 right tree order invariant ok 904 node color must be red or black ok 905 left tree order invariant ok 906 children of red node must be black ok 907 children of red node must be black ok 908 number of black nodes along all paths to root must be constant ok 909 item count consistency ok 910 number of black nodes along all paths to root must be constant ok 911 item count consistency ok 912 node color must be red or black ok 913 number of black nodes along all paths to root must be constant ok 914 item count consistency ok 915 number of black nodes along all paths to root must be constant ok 916 item count consistency ok 917 node color must be red or black ok 918 number of black nodes along all paths to root must be constant ok 919 item count consistency ok 920 number of black nodes along all paths to root must be constant ok 921 item count consistency ok 922 node color must be red or black ok 923 left tree order invariant ok 924 right tree order invariant ok 925 node color must be red or black ok 926 number of black nodes along all paths to root must be constant ok 927 item count consistency ok 928 node color must be red or black ok 929 number of black nodes along all paths to root must be constant ok 930 item count consistency ok 931 number of black nodes along all paths to root must be constant ok 932 item count consistency ok 933 number of black nodes along all paths to root must be constant ok 934 item count consistency ok 935 node color must be red or black ok 936 left tree order invariant ok 937 right tree order invariant ok 938 node color must be red or black ok 939 number of black nodes along all paths to root must be constant ok 940 item count consistency ok 941 node color must be red or black ok 942 number of black nodes along all paths to root must be constant ok 943 item count consistency ok 944 number of black nodes along all paths to root must be constant ok 945 item count consistency ok 946 number of black nodes along all paths to root must be constant ok 947 item count consistency ok 948 tree length ok 949 root is black ok 950 node color must be red or black ok 951 left tree order invariant ok 952 right tree order invariant ok 953 children of red node must be black ok 954 children of red node must be black ok 955 left tree order invariant ok 956 right tree order invariant ok 957 node color must be red or black ok 958 left tree order invariant ok 959 right tree order invariant ok 960 children of red node must be black ok 961 children of red node must be black ok 962 left tree order invariant ok 963 right tree order invariant ok 964 node color must be red or black ok 965 left tree order invariant ok 966 right tree order invariant ok 967 children of red node must be black ok 968 children of red node must be black ok 969 number of black nodes along all paths to root must be constant ok 970 item count consistency ok 971 children of red node must be black ok 972 children of red node must be black ok 973 number of black nodes along all paths to root must be constant ok 974 item count consistency ok 975 number of black nodes along all paths to root must be constant ok 976 item count consistency ok 977 node color must be red or black ok 978 number of black nodes along all paths to root must be constant ok 979 item count consistency ok 980 number of black nodes along all paths to root must be constant ok 981 item count consistency ok 982 node color must be red or black ok 983 number of black nodes along all paths to root must be constant ok 984 item count consistency ok 985 number of black nodes along all paths to root must be constant ok 986 item count consistency ok 987 node color must be red or black ok 988 left tree order invariant ok 989 right tree order invariant ok 990 node color must be red or black ok 991 number of black nodes along all paths to root must be constant ok 992 item count consistency ok 993 node color must be red or black ok 994 number of black nodes along all paths to root must be constant ok 995 item count consistency ok 996 number of black nodes along all paths to root must be constant ok 997 item count consistency ok 998 number of black nodes along all paths to root must be constant ok 999 item count consistency ok 1000 node color must be red or black ok 1001 left tree order invariant ok 1002 right tree order invariant ok 1003 node color must be red or black ok 1004 number of black nodes along all paths to root must be constant ok 1005 item count consistency ok 1006 node color must be red or black ok 1007 number of black nodes along all paths to root must be constant ok 1008 item count consistency ok 1009 number of black nodes along all paths to root must be constant ok 1010 item count consistency ok 1011 number of black nodes along all paths to root must be constant ok 1012 item count consistency ok 1013 tree length ok 1014 should be equal ok 1015 root is black ok 1016 node color must be red or black ok 1017 left tree order invariant ok 1018 right tree order invariant ok 1019 children of red node must be black ok 1020 children of red node must be black ok 1021 left tree order invariant ok 1022 right tree order invariant ok 1023 node color must be red or black ok 1024 left tree order invariant ok 1025 right tree order invariant ok 1026 children of red node must be black ok 1027 children of red node must be black ok 1028 left tree order invariant ok 1029 right tree order invariant ok 1030 node color must be red or black ok 1031 left tree order invariant ok 1032 right tree order invariant ok 1033 children of red node must be black ok 1034 children of red node must be black ok 1035 number of black nodes along all paths to root must be constant ok 1036 item count consistency ok 1037 children of red node must be black ok 1038 children of red node must be black ok 1039 number of black nodes along all paths to root must be constant ok 1040 item count consistency ok 1041 number of black nodes along all paths to root must be constant ok 1042 item count consistency ok 1043 node color must be red or black ok 1044 number of black nodes along all paths to root must be constant ok 1045 item count consistency ok 1046 number of black nodes along all paths to root must be constant ok 1047 item count consistency ok 1048 node color must be red or black ok 1049 number of black nodes along all paths to root must be constant ok 1050 item count consistency ok 1051 number of black nodes along all paths to root must be constant ok 1052 item count consistency ok 1053 node color must be red or black ok 1054 left tree order invariant ok 1055 right tree order invariant ok 1056 node color must be red or black ok 1057 number of black nodes along all paths to root must be constant ok 1058 item count consistency ok 1059 node color must be red or black ok 1060 number of black nodes along all paths to root must be constant ok 1061 item count consistency ok 1062 number of black nodes along all paths to root must be constant ok 1063 item count consistency ok 1064 number of black nodes along all paths to root must be constant ok 1065 item count consistency ok 1066 node color must be red or black ok 1067 left tree order invariant ok 1068 right tree order invariant ok 1069 node color must be red or black ok 1070 number of black nodes along all paths to root must be constant ok 1071 item count consistency ok 1072 node color must be red or black ok 1073 number of black nodes along all paths to root must be constant ok 1074 item count consistency ok 1075 number of black nodes along all paths to root must be constant ok 1076 item count consistency ok 1077 number of black nodes along all paths to root must be constant ok 1078 item count consistency ok 1079 tree length ok 1080 root is black ok 1081 node color must be red or black ok 1082 left tree order invariant ok 1083 right tree order invariant ok 1084 children of red node must be black ok 1085 children of red node must be black ok 1086 left tree order invariant ok 1087 right tree order invariant ok 1088 node color must be red or black ok 1089 left tree order invariant ok 1090 right tree order invariant ok 1091 children of red node must be black ok 1092 children of red node must be black ok 1093 left tree order invariant ok 1094 right tree order invariant ok 1095 node color must be red or black ok 1096 left tree order invariant ok 1097 children of red node must be black ok 1098 children of red node must be black ok 1099 number of black nodes along all paths to root must be constant ok 1100 item count consistency ok 1101 number of black nodes along all paths to root must be constant ok 1102 item count consistency ok 1103 node color must be red or black ok 1104 number of black nodes along all paths to root must be constant ok 1105 item count consistency ok 1106 number of black nodes along all paths to root must be constant ok 1107 item count consistency ok 1108 children of red node must be black ok 1109 children of red node must be black ok 1110 left tree order invariant ok 1111 right tree order invariant ok 1112 node color must be red or black ok 1113 number of black nodes along all paths to root must be constant ok 1114 item count consistency ok 1115 node color must be red or black ok 1116 number of black nodes along all paths to root must be constant ok 1117 item count consistency ok 1118 number of black nodes along all paths to root must be constant ok 1119 item count consistency ok 1120 number of black nodes along all paths to root must be constant ok 1121 item count consistency ok 1122 node color must be red or black ok 1123 left tree order invariant ok 1124 right tree order invariant ok 1125 node color must be red or black ok 1126 number of black nodes along all paths to root must be constant ok 1127 item count consistency ok 1128 node color must be red or black ok 1129 number of black nodes along all paths to root must be constant ok 1130 item count consistency ok 1131 number of black nodes along all paths to root must be constant ok 1132 item count consistency ok 1133 number of black nodes along all paths to root must be constant ok 1134 item count consistency ok 1135 node color must be red or black ok 1136 left tree order invariant ok 1137 right tree order invariant ok 1138 node color must be red or black ok 1139 number of black nodes along all paths to root must be constant ok 1140 item count consistency ok 1141 node color must be red or black ok 1142 number of black nodes along all paths to root must be constant ok 1143 item count consistency ok 1144 number of black nodes along all paths to root must be constant ok 1145 item count consistency ok 1146 number of black nodes along all paths to root must be constant ok 1147 item count consistency ok 1148 tree length ok 1149 should be equal ok 1150 root is black ok 1151 node color must be red or black ok 1152 left tree order invariant ok 1153 right tree order invariant ok 1154 children of red node must be black ok 1155 children of red node must be black ok 1156 left tree order invariant ok 1157 right tree order invariant ok 1158 node color must be red or black ok 1159 left tree order invariant ok 1160 right tree order invariant ok 1161 children of red node must be black ok 1162 children of red node must be black ok 1163 left tree order invariant ok 1164 right tree order invariant ok 1165 node color must be red or black ok 1166 left tree order invariant ok 1167 children of red node must be black ok 1168 children of red node must be black ok 1169 number of black nodes along all paths to root must be constant ok 1170 item count consistency ok 1171 number of black nodes along all paths to root must be constant ok 1172 item count consistency ok 1173 node color must be red or black ok 1174 number of black nodes along all paths to root must be constant ok 1175 item count consistency ok 1176 number of black nodes along all paths to root must be constant ok 1177 item count consistency ok 1178 children of red node must be black ok 1179 children of red node must be black ok 1180 left tree order invariant ok 1181 right tree order invariant ok 1182 node color must be red or black ok 1183 number of black nodes along all paths to root must be constant ok 1184 item count consistency ok 1185 node color must be red or black ok 1186 number of black nodes along all paths to root must be constant ok 1187 item count consistency ok 1188 number of black nodes along all paths to root must be constant ok 1189 item count consistency ok 1190 number of black nodes along all paths to root must be constant ok 1191 item count consistency ok 1192 node color must be red or black ok 1193 left tree order invariant ok 1194 right tree order invariant ok 1195 node color must be red or black ok 1196 number of black nodes along all paths to root must be constant ok 1197 item count consistency ok 1198 node color must be red or black ok 1199 number of black nodes along all paths to root must be constant ok 1200 item count consistency ok 1201 number of black nodes along all paths to root must be constant ok 1202 item count consistency ok 1203 number of black nodes along all paths to root must be constant ok 1204 item count consistency ok 1205 node color must be red or black ok 1206 left tree order invariant ok 1207 right tree order invariant ok 1208 node color must be red or black ok 1209 number of black nodes along all paths to root must be constant ok 1210 item count consistency ok 1211 node color must be red or black ok 1212 number of black nodes along all paths to root must be constant ok 1213 item count consistency ok 1214 number of black nodes along all paths to root must be constant ok 1215 item count consistency ok 1216 number of black nodes along all paths to root must be constant ok 1217 item count consistency ok 1218 tree length ok 1219 root is black ok 1220 node color must be red or black ok 1221 left tree order invariant ok 1222 right tree order invariant ok 1223 children of red node must be black ok 1224 children of red node must be black ok 1225 left tree order invariant ok 1226 right tree order invariant ok 1227 node color must be red or black ok 1228 left tree order invariant ok 1229 right tree order invariant ok 1230 children of red node must be black ok 1231 children of red node must be black ok 1232 left tree order invariant ok 1233 right tree order invariant ok 1234 node color must be red or black ok 1235 left tree order invariant ok 1236 right tree order invariant ok 1237 children of red node must be black ok 1238 children of red node must be black ok 1239 number of black nodes along all paths to root must be constant ok 1240 item count consistency ok 1241 children of red node must be black ok 1242 children of red node must be black ok 1243 number of black nodes along all paths to root must be constant ok 1244 item count consistency ok 1245 number of black nodes along all paths to root must be constant ok 1246 item count consistency ok 1247 node color must be red or black ok 1248 number of black nodes along all paths to root must be constant ok 1249 item count consistency ok 1250 number of black nodes along all paths to root must be constant ok 1251 item count consistency ok 1252 children of red node must be black ok 1253 children of red node must be black ok 1254 left tree order invariant ok 1255 right tree order invariant ok 1256 node color must be red or black ok 1257 number of black nodes along all paths to root must be constant ok 1258 item count consistency ok 1259 node color must be red or black ok 1260 number of black nodes along all paths to root must be constant ok 1261 item count consistency ok 1262 number of black nodes along all paths to root must be constant ok 1263 item count consistency ok 1264 number of black nodes along all paths to root must be constant ok 1265 item count consistency ok 1266 node color must be red or black ok 1267 left tree order invariant ok 1268 right tree order invariant ok 1269 node color must be red or black ok 1270 number of black nodes along all paths to root must be constant ok 1271 item count consistency ok 1272 node color must be red or black ok 1273 number of black nodes along all paths to root must be constant ok 1274 item count consistency ok 1275 number of black nodes along all paths to root must be constant ok 1276 item count consistency ok 1277 number of black nodes along all paths to root must be constant ok 1278 item count consistency ok 1279 node color must be red or black ok 1280 left tree order invariant ok 1281 right tree order invariant ok 1282 node color must be red or black ok 1283 number of black nodes along all paths to root must be constant ok 1284 item count consistency ok 1285 node color must be red or black ok 1286 number of black nodes along all paths to root must be constant ok 1287 item count consistency ok 1288 number of black nodes along all paths to root must be constant ok 1289 item count consistency ok 1290 number of black nodes along all paths to root must be constant ok 1291 item count consistency ok 1292 tree length ok 1293 should be equal ok 1294 root is black ok 1295 node color must be red or black ok 1296 left tree order invariant ok 1297 right tree order invariant ok 1298 children of red node must be black ok 1299 children of red node must be black ok 1300 left tree order invariant ok 1301 right tree order invariant ok 1302 node color must be red or black ok 1303 left tree order invariant ok 1304 right tree order invariant ok 1305 children of red node must be black ok 1306 children of red node must be black ok 1307 left tree order invariant ok 1308 right tree order invariant ok 1309 node color must be red or black ok 1310 left tree order invariant ok 1311 right tree order invariant ok 1312 children of red node must be black ok 1313 children of red node must be black ok 1314 number of black nodes along all paths to root must be constant ok 1315 item count consistency ok 1316 children of red node must be black ok 1317 children of red node must be black ok 1318 number of black nodes along all paths to root must be constant ok 1319 item count consistency ok 1320 number of black nodes along all paths to root must be constant ok 1321 item count consistency ok 1322 node color must be red or black ok 1323 number of black nodes along all paths to root must be constant ok 1324 item count consistency ok 1325 number of black nodes along all paths to root must be constant ok 1326 item count consistency ok 1327 children of red node must be black ok 1328 children of red node must be black ok 1329 left tree order invariant ok 1330 right tree order invariant ok 1331 node color must be red or black ok 1332 number of black nodes along all paths to root must be constant ok 1333 item count consistency ok 1334 node color must be red or black ok 1335 number of black nodes along all paths to root must be constant ok 1336 item count consistency ok 1337 number of black nodes along all paths to root must be constant ok 1338 item count consistency ok 1339 number of black nodes along all paths to root must be constant ok 1340 item count consistency ok 1341 node color must be red or black ok 1342 left tree order invariant ok 1343 right tree order invariant ok 1344 node color must be red or black ok 1345 number of black nodes along all paths to root must be constant ok 1346 item count consistency ok 1347 node color must be red or black ok 1348 number of black nodes along all paths to root must be constant ok 1349 item count consistency ok 1350 number of black nodes along all paths to root must be constant ok 1351 item count consistency ok 1352 number of black nodes along all paths to root must be constant ok 1353 item count consistency ok 1354 node color must be red or black ok 1355 left tree order invariant ok 1356 right tree order invariant ok 1357 node color must be red or black ok 1358 number of black nodes along all paths to root must be constant ok 1359 item count consistency ok 1360 node color must be red or black ok 1361 number of black nodes along all paths to root must be constant ok 1362 item count consistency ok 1363 number of black nodes along all paths to root must be constant ok 1364 item count consistency ok 1365 number of black nodes along all paths to root must be constant ok 1366 item count consistency ok 1367 tree length ok 1368 root is black ok 1369 node color must be red or black ok 1370 left tree order invariant ok 1371 right tree order invariant ok 1372 children of red node must be black ok 1373 children of red node must be black ok 1374 left tree order invariant ok 1375 right tree order invariant ok 1376 node color must be red or black ok 1377 left tree order invariant ok 1378 right tree order invariant ok 1379 children of red node must be black ok 1380 children of red node must be black ok 1381 left tree order invariant ok 1382 right tree order invariant ok 1383 node color must be red or black ok 1384 left tree order invariant ok 1385 children of red node must be black ok 1386 children of red node must be black ok 1387 number of black nodes along all paths to root must be constant ok 1388 item count consistency ok 1389 number of black nodes along all paths to root must be constant ok 1390 item count consistency ok 1391 node color must be red or black ok 1392 number of black nodes along all paths to root must be constant ok 1393 item count consistency ok 1394 number of black nodes along all paths to root must be constant ok 1395 item count consistency ok 1396 node color must be red or black ok 1397 number of black nodes along all paths to root must be constant ok 1398 item count consistency ok 1399 number of black nodes along all paths to root must be constant ok 1400 item count consistency ok 1401 node color must be red or black ok 1402 left tree order invariant ok 1403 right tree order invariant ok 1404 node color must be red or black ok 1405 number of black nodes along all paths to root must be constant ok 1406 item count consistency ok 1407 node color must be red or black ok 1408 number of black nodes along all paths to root must be constant ok 1409 item count consistency ok 1410 number of black nodes along all paths to root must be constant ok 1411 item count consistency ok 1412 number of black nodes along all paths to root must be constant ok 1413 item count consistency ok 1414 children of red node must be black ok 1415 children of red node must be black ok 1416 left tree order invariant ok 1417 right tree order invariant ok 1418 node color must be red or black ok 1419 left tree order invariant ok 1420 right tree order invariant ok 1421 node color must be red or black ok 1422 number of black nodes along all paths to root must be constant ok 1423 item count consistency ok 1424 node color must be red or black ok 1425 number of black nodes along all paths to root must be constant ok 1426 item count consistency ok 1427 number of black nodes along all paths to root must be constant ok 1428 item count consistency ok 1429 node color must be red or black ok 1430 left tree order invariant ok 1431 right tree order invariant ok 1432 node color must be red or black ok 1433 number of black nodes along all paths to root must be constant ok 1434 item count consistency ok 1435 node color must be red or black ok 1436 number of black nodes along all paths to root must be constant ok 1437 item count consistency ok 1438 number of black nodes along all paths to root must be constant ok 1439 item count consistency ok 1440 number of black nodes along all paths to root must be constant ok 1441 item count consistency ok 1442 number of black nodes along all paths to root must be constant ok 1443 item count consistency ok 1444 tree length ok 1445 should be equal ok 1446 root is black ok 1447 node color must be red or black ok 1448 left tree order invariant ok 1449 right tree order invariant ok 1450 children of red node must be black ok 1451 children of red node must be black ok 1452 left tree order invariant ok 1453 right tree order invariant ok 1454 node color must be red or black ok 1455 left tree order invariant ok 1456 right tree order invariant ok 1457 children of red node must be black ok 1458 children of red node must be black ok 1459 left tree order invariant ok 1460 right tree order invariant ok 1461 node color must be red or black ok 1462 left tree order invariant ok 1463 children of red node must be black ok 1464 children of red node must be black ok 1465 number of black nodes along all paths to root must be constant ok 1466 item count consistency ok 1467 number of black nodes along all paths to root must be constant ok 1468 item count consistency ok 1469 node color must be red or black ok 1470 number of black nodes along all paths to root must be constant ok 1471 item count consistency ok 1472 number of black nodes along all paths to root must be constant ok 1473 item count consistency ok 1474 node color must be red or black ok 1475 number of black nodes along all paths to root must be constant ok 1476 item count consistency ok 1477 number of black nodes along all paths to root must be constant ok 1478 item count consistency ok 1479 node color must be red or black ok 1480 left tree order invariant ok 1481 right tree order invariant ok 1482 node color must be red or black ok 1483 number of black nodes along all paths to root must be constant ok 1484 item count consistency ok 1485 node color must be red or black ok 1486 number of black nodes along all paths to root must be constant ok 1487 item count consistency ok 1488 number of black nodes along all paths to root must be constant ok 1489 item count consistency ok 1490 number of black nodes along all paths to root must be constant ok 1491 item count consistency ok 1492 children of red node must be black ok 1493 children of red node must be black ok 1494 left tree order invariant ok 1495 right tree order invariant ok 1496 node color must be red or black ok 1497 left tree order invariant ok 1498 right tree order invariant ok 1499 node color must be red or black ok 1500 number of black nodes along all paths to root must be constant ok 1501 item count consistency ok 1502 node color must be red or black ok 1503 number of black nodes along all paths to root must be constant ok 1504 item count consistency ok 1505 number of black nodes along all paths to root must be constant ok 1506 item count consistency ok 1507 node color must be red or black ok 1508 left tree order invariant ok 1509 right tree order invariant ok 1510 node color must be red or black ok 1511 number of black nodes along all paths to root must be constant ok 1512 item count consistency ok 1513 node color must be red or black ok 1514 number of black nodes along all paths to root must be constant ok 1515 item count consistency ok 1516 number of black nodes along all paths to root must be constant ok 1517 item count consistency ok 1518 number of black nodes along all paths to root must be constant ok 1519 item count consistency ok 1520 number of black nodes along all paths to root must be constant ok 1521 item count consistency ok 1522 tree length ok 1523 root is black ok 1524 node color must be red or black ok 1525 left tree order invariant ok 1526 right tree order invariant ok 1527 children of red node must be black ok 1528 children of red node must be black ok 1529 left tree order invariant ok 1530 right tree order invariant ok 1531 node color must be red or black ok 1532 left tree order invariant ok 1533 right tree order invariant ok 1534 children of red node must be black ok 1535 children of red node must be black ok 1536 left tree order invariant ok 1537 right tree order invariant ok 1538 node color must be red or black ok 1539 left tree order invariant ok 1540 right tree order invariant ok 1541 children of red node must be black ok 1542 children of red node must be black ok 1543 number of black nodes along all paths to root must be constant ok 1544 item count consistency ok 1545 children of red node must be black ok 1546 children of red node must be black ok 1547 number of black nodes along all paths to root must be constant ok 1548 item count consistency ok 1549 number of black nodes along all paths to root must be constant ok 1550 item count consistency ok 1551 node color must be red or black ok 1552 number of black nodes along all paths to root must be constant ok 1553 item count consistency ok 1554 number of black nodes along all paths to root must be constant ok 1555 item count consistency ok 1556 node color must be red or black ok 1557 number of black nodes along all paths to root must be constant ok 1558 item count consistency ok 1559 number of black nodes along all paths to root must be constant ok 1560 item count consistency ok 1561 node color must be red or black ok 1562 left tree order invariant ok 1563 right tree order invariant ok 1564 node color must be red or black ok 1565 number of black nodes along all paths to root must be constant ok 1566 item count consistency ok 1567 node color must be red or black ok 1568 number of black nodes along all paths to root must be constant ok 1569 item count consistency ok 1570 number of black nodes along all paths to root must be constant ok 1571 item count consistency ok 1572 number of black nodes along all paths to root must be constant ok 1573 item count consistency ok 1574 children of red node must be black ok 1575 children of red node must be black ok 1576 left tree order invariant ok 1577 right tree order invariant ok 1578 node color must be red or black ok 1579 left tree order invariant ok 1580 right tree order invariant ok 1581 node color must be red or black ok 1582 number of black nodes along all paths to root must be constant ok 1583 item count consistency ok 1584 node color must be red or black ok 1585 number of black nodes along all paths to root must be constant ok 1586 item count consistency ok 1587 number of black nodes along all paths to root must be constant ok 1588 item count consistency ok 1589 node color must be red or black ok 1590 left tree order invariant ok 1591 right tree order invariant ok 1592 node color must be red or black ok 1593 number of black nodes along all paths to root must be constant ok 1594 item count consistency ok 1595 node color must be red or black ok 1596 number of black nodes along all paths to root must be constant ok 1597 item count consistency ok 1598 number of black nodes along all paths to root must be constant ok 1599 item count consistency ok 1600 number of black nodes along all paths to root must be constant ok 1601 item count consistency ok 1602 number of black nodes along all paths to root must be constant ok 1603 item count consistency ok 1604 tree length ok 1605 should be equal ok 1606 root is black ok 1607 node color must be red or black ok 1608 left tree order invariant ok 1609 right tree order invariant ok 1610 children of red node must be black ok 1611 children of red node must be black ok 1612 left tree order invariant ok 1613 right tree order invariant ok 1614 node color must be red or black ok 1615 left tree order invariant ok 1616 right tree order invariant ok 1617 children of red node must be black ok 1618 children of red node must be black ok 1619 left tree order invariant ok 1620 right tree order invariant ok 1621 node color must be red or black ok 1622 left tree order invariant ok 1623 right tree order invariant ok 1624 children of red node must be black ok 1625 children of red node must be black ok 1626 number of black nodes along all paths to root must be constant ok 1627 item count consistency ok 1628 children of red node must be black ok 1629 children of red node must be black ok 1630 number of black nodes along all paths to root must be constant ok 1631 item count consistency ok 1632 number of black nodes along all paths to root must be constant ok 1633 item count consistency ok 1634 node color must be red or black ok 1635 number of black nodes along all paths to root must be constant ok 1636 item count consistency ok 1637 number of black nodes along all paths to root must be constant ok 1638 item count consistency ok 1639 node color must be red or black ok 1640 number of black nodes along all paths to root must be constant ok 1641 item count consistency ok 1642 number of black nodes along all paths to root must be constant ok 1643 item count consistency ok 1644 node color must be red or black ok 1645 left tree order invariant ok 1646 right tree order invariant ok 1647 node color must be red or black ok 1648 number of black nodes along all paths to root must be constant ok 1649 item count consistency ok 1650 node color must be red or black ok 1651 number of black nodes along all paths to root must be constant ok 1652 item count consistency ok 1653 number of black nodes along all paths to root must be constant ok 1654 item count consistency ok 1655 number of black nodes along all paths to root must be constant ok 1656 item count consistency ok 1657 children of red node must be black ok 1658 children of red node must be black ok 1659 left tree order invariant ok 1660 right tree order invariant ok 1661 node color must be red or black ok 1662 left tree order invariant ok 1663 right tree order invariant ok 1664 node color must be red or black ok 1665 number of black nodes along all paths to root must be constant ok 1666 item count consistency ok 1667 node color must be red or black ok 1668 number of black nodes along all paths to root must be constant ok 1669 item count consistency ok 1670 number of black nodes along all paths to root must be constant ok 1671 item count consistency ok 1672 node color must be red or black ok 1673 left tree order invariant ok 1674 right tree order invariant ok 1675 node color must be red or black ok 1676 number of black nodes along all paths to root must be constant ok 1677 item count consistency ok 1678 node color must be red or black ok 1679 number of black nodes along all paths to root must be constant ok 1680 item count consistency ok 1681 number of black nodes along all paths to root must be constant ok 1682 item count consistency ok 1683 number of black nodes along all paths to root must be constant ok 1684 item count consistency ok 1685 number of black nodes along all paths to root must be constant ok 1686 item count consistency ok 1687 tree length ok 1688 root is black ok 1689 node color must be red or black ok 1690 left tree order invariant ok 1691 right tree order invariant ok 1692 children of red node must be black ok 1693 children of red node must be black ok 1694 left tree order invariant ok 1695 right tree order invariant ok 1696 node color must be red or black ok 1697 left tree order invariant ok 1698 right tree order invariant ok 1699 children of red node must be black ok 1700 children of red node must be black ok 1701 left tree order invariant ok 1702 right tree order invariant ok 1703 node color must be red or black ok 1704 left tree order invariant ok 1705 children of red node must be black ok 1706 children of red node must be black ok 1707 number of black nodes along all paths to root must be constant ok 1708 item count consistency ok 1709 number of black nodes along all paths to root must be constant ok 1710 item count consistency ok 1711 node color must be red or black ok 1712 number of black nodes along all paths to root must be constant ok 1713 item count consistency ok 1714 number of black nodes along all paths to root must be constant ok 1715 item count consistency ok 1716 children of red node must be black ok 1717 children of red node must be black ok 1718 left tree order invariant ok 1719 right tree order invariant ok 1720 node color must be red or black ok 1721 number of black nodes along all paths to root must be constant ok 1722 item count consistency ok 1723 node color must be red or black ok 1724 number of black nodes along all paths to root must be constant ok 1725 item count consistency ok 1726 number of black nodes along all paths to root must be constant ok 1727 item count consistency ok 1728 number of black nodes along all paths to root must be constant ok 1729 item count consistency ok 1730 node color must be red or black ok 1731 left tree order invariant ok 1732 right tree order invariant ok 1733 node color must be red or black ok 1734 number of black nodes along all paths to root must be constant ok 1735 item count consistency ok 1736 node color must be red or black ok 1737 number of black nodes along all paths to root must be constant ok 1738 item count consistency ok 1739 number of black nodes along all paths to root must be constant ok 1740 item count consistency ok 1741 number of black nodes along all paths to root must be constant ok 1742 item count consistency ok 1743 children of red node must be black ok 1744 children of red node must be black ok 1745 left tree order invariant ok 1746 right tree order invariant ok 1747 node color must be red or black ok 1748 left tree order invariant ok 1749 right tree order invariant ok 1750 node color must be red or black ok 1751 number of black nodes along all paths to root must be constant ok 1752 item count consistency ok 1753 node color must be red or black ok 1754 number of black nodes along all paths to root must be constant ok 1755 item count consistency ok 1756 number of black nodes along all paths to root must be constant ok 1757 item count consistency ok 1758 node color must be red or black ok 1759 left tree order invariant ok 1760 right tree order invariant ok 1761 node color must be red or black ok 1762 number of black nodes along all paths to root must be constant ok 1763 item count consistency ok 1764 node color must be red or black ok 1765 number of black nodes along all paths to root must be constant ok 1766 item count consistency ok 1767 number of black nodes along all paths to root must be constant ok 1768 item count consistency ok 1769 number of black nodes along all paths to root must be constant ok 1770 item count consistency ok 1771 number of black nodes along all paths to root must be constant ok 1772 item count consistency ok 1773 tree length ok 1774 should be equal ok 1775 root is black ok 1776 node color must be red or black ok 1777 left tree order invariant ok 1778 right tree order invariant ok 1779 children of red node must be black ok 1780 children of red node must be black ok 1781 left tree order invariant ok 1782 right tree order invariant ok 1783 node color must be red or black ok 1784 left tree order invariant ok 1785 right tree order invariant ok 1786 children of red node must be black ok 1787 children of red node must be black ok 1788 left tree order invariant ok 1789 right tree order invariant ok 1790 node color must be red or black ok 1791 left tree order invariant ok 1792 children of red node must be black ok 1793 children of red node must be black ok 1794 number of black nodes along all paths to root must be constant ok 1795 item count consistency ok 1796 number of black nodes along all paths to root must be constant ok 1797 item count consistency ok 1798 node color must be red or black ok 1799 number of black nodes along all paths to root must be constant ok 1800 item count consistency ok 1801 number of black nodes along all paths to root must be constant ok 1802 item count consistency ok 1803 children of red node must be black ok 1804 children of red node must be black ok 1805 left tree order invariant ok 1806 right tree order invariant ok 1807 node color must be red or black ok 1808 number of black nodes along all paths to root must be constant ok 1809 item count consistency ok 1810 node color must be red or black ok 1811 number of black nodes along all paths to root must be constant ok 1812 item count consistency ok 1813 number of black nodes along all paths to root must be constant ok 1814 item count consistency ok 1815 number of black nodes along all paths to root must be constant ok 1816 item count consistency ok 1817 node color must be red or black ok 1818 left tree order invariant ok 1819 right tree order invariant ok 1820 node color must be red or black ok 1821 number of black nodes along all paths to root must be constant ok 1822 item count consistency ok 1823 node color must be red or black ok 1824 number of black nodes along all paths to root must be constant ok 1825 item count consistency ok 1826 number of black nodes along all paths to root must be constant ok 1827 item count consistency ok 1828 number of black nodes along all paths to root must be constant ok 1829 item count consistency ok 1830 children of red node must be black ok 1831 children of red node must be black ok 1832 left tree order invariant ok 1833 right tree order invariant ok 1834 node color must be red or black ok 1835 left tree order invariant ok 1836 right tree order invariant ok 1837 node color must be red or black ok 1838 number of black nodes along all paths to root must be constant ok 1839 item count consistency ok 1840 node color must be red or black ok 1841 number of black nodes along all paths to root must be constant ok 1842 item count consistency ok 1843 number of black nodes along all paths to root must be constant ok 1844 item count consistency ok 1845 node color must be red or black ok 1846 left tree order invariant ok 1847 right tree order invariant ok 1848 node color must be red or black ok 1849 number of black nodes along all paths to root must be constant ok 1850 item count consistency ok 1851 node color must be red or black ok 1852 number of black nodes along all paths to root must be constant ok 1853 item count consistency ok 1854 number of black nodes along all paths to root must be constant ok 1855 item count consistency ok 1856 number of black nodes along all paths to root must be constant ok 1857 item count consistency ok 1858 number of black nodes along all paths to root must be constant ok 1859 item count consistency ok 1860 tree length ok 1861 root is black ok 1862 node color must be red or black ok 1863 left tree order invariant ok 1864 right tree order invariant ok 1865 children of red node must be black ok 1866 children of red node must be black ok 1867 left tree order invariant ok 1868 right tree order invariant ok 1869 node color must be red or black ok 1870 left tree order invariant ok 1871 right tree order invariant ok 1872 children of red node must be black ok 1873 children of red node must be black ok 1874 left tree order invariant ok 1875 right tree order invariant ok 1876 node color must be red or black ok 1877 left tree order invariant ok 1878 right tree order invariant ok 1879 children of red node must be black ok 1880 children of red node must be black ok 1881 number of black nodes along all paths to root must be constant ok 1882 item count consistency ok 1883 children of red node must be black ok 1884 children of red node must be black ok 1885 number of black nodes along all paths to root must be constant ok 1886 item count consistency ok 1887 number of black nodes along all paths to root must be constant ok 1888 item count consistency ok 1889 node color must be red or black ok 1890 number of black nodes along all paths to root must be constant ok 1891 item count consistency ok 1892 number of black nodes along all paths to root must be constant ok 1893 item count consistency ok 1894 children of red node must be black ok 1895 children of red node must be black ok 1896 left tree order invariant ok 1897 right tree order invariant ok 1898 node color must be red or black ok 1899 number of black nodes along all paths to root must be constant ok 1900 item count consistency ok 1901 node color must be red or black ok 1902 number of black nodes along all paths to root must be constant ok 1903 item count consistency ok 1904 number of black nodes along all paths to root must be constant ok 1905 item count consistency ok 1906 number of black nodes along all paths to root must be constant ok 1907 item count consistency ok 1908 node color must be red or black ok 1909 left tree order invariant ok 1910 right tree order invariant ok 1911 node color must be red or black ok 1912 number of black nodes along all paths to root must be constant ok 1913 item count consistency ok 1914 node color must be red or black ok 1915 number of black nodes along all paths to root must be constant ok 1916 item count consistency ok 1917 number of black nodes along all paths to root must be constant ok 1918 item count consistency ok 1919 number of black nodes along all paths to root must be constant ok 1920 item count consistency ok 1921 children of red node must be black ok 1922 children of red node must be black ok 1923 left tree order invariant ok 1924 right tree order invariant ok 1925 node color must be red or black ok 1926 left tree order invariant ok 1927 right tree order invariant ok 1928 node color must be red or black ok 1929 number of black nodes along all paths to root must be constant ok 1930 item count consistency ok 1931 node color must be red or black ok 1932 number of black nodes along all paths to root must be constant ok 1933 item count consistency ok 1934 number of black nodes along all paths to root must be constant ok 1935 item count consistency ok 1936 node color must be red or black ok 1937 left tree order invariant ok 1938 right tree order invariant ok 1939 node color must be red or black ok 1940 number of black nodes along all paths to root must be constant ok 1941 item count consistency ok 1942 node color must be red or black ok 1943 number of black nodes along all paths to root must be constant ok 1944 item count consistency ok 1945 number of black nodes along all paths to root must be constant ok 1946 item count consistency ok 1947 number of black nodes along all paths to root must be constant ok 1948 item count consistency ok 1949 number of black nodes along all paths to root must be constant ok 1950 item count consistency ok 1951 tree length ok 1952 should be equal ok 1953 root is black ok 1954 node color must be red or black ok 1955 left tree order invariant ok 1956 right tree order invariant ok 1957 children of red node must be black ok 1958 children of red node must be black ok 1959 left tree order invariant ok 1960 right tree order invariant ok 1961 node color must be red or black ok 1962 left tree order invariant ok 1963 right tree order invariant ok 1964 children of red node must be black ok 1965 children of red node must be black ok 1966 left tree order invariant ok 1967 right tree order invariant ok 1968 node color must be red or black ok 1969 left tree order invariant ok 1970 right tree order invariant ok 1971 children of red node must be black ok 1972 children of red node must be black ok 1973 number of black nodes along all paths to root must be constant ok 1974 item count consistency ok 1975 children of red node must be black ok 1976 children of red node must be black ok 1977 number of black nodes along all paths to root must be constant ok 1978 item count consistency ok 1979 number of black nodes along all paths to root must be constant ok 1980 item count consistency ok 1981 node color must be red or black ok 1982 number of black nodes along all paths to root must be constant ok 1983 item count consistency ok 1984 number of black nodes along all paths to root must be constant ok 1985 item count consistency ok 1986 children of red node must be black ok 1987 children of red node must be black ok 1988 left tree order invariant ok 1989 right tree order invariant ok 1990 node color must be red or black ok 1991 number of black nodes along all paths to root must be constant ok 1992 item count consistency ok 1993 node color must be red or black ok 1994 number of black nodes along all paths to root must be constant ok 1995 item count consistency ok 1996 number of black nodes along all paths to root must be constant ok 1997 item count consistency ok 1998 number of black nodes along all paths to root must be constant ok 1999 item count consistency ok 2000 node color must be red or black ok 2001 left tree order invariant ok 2002 right tree order invariant ok 2003 node color must be red or black ok 2004 number of black nodes along all paths to root must be constant ok 2005 item count consistency ok 2006 node color must be red or black ok 2007 number of black nodes along all paths to root must be constant ok 2008 item count consistency ok 2009 number of black nodes along all paths to root must be constant ok 2010 item count consistency ok 2011 number of black nodes along all paths to root must be constant ok 2012 item count consistency ok 2013 children of red node must be black ok 2014 children of red node must be black ok 2015 left tree order invariant ok 2016 right tree order invariant ok 2017 node color must be red or black ok 2018 left tree order invariant ok 2019 right tree order invariant ok 2020 node color must be red or black ok 2021 number of black nodes along all paths to root must be constant ok 2022 item count consistency ok 2023 node color must be red or black ok 2024 number of black nodes along all paths to root must be constant ok 2025 item count consistency ok 2026 number of black nodes along all paths to root must be constant ok 2027 item count consistency ok 2028 node color must be red or black ok 2029 left tree order invariant ok 2030 right tree order invariant ok 2031 node color must be red or black ok 2032 number of black nodes along all paths to root must be constant ok 2033 item count consistency ok 2034 node color must be red or black ok 2035 number of black nodes along all paths to root must be constant ok 2036 item count consistency ok 2037 number of black nodes along all paths to root must be constant ok 2038 item count consistency ok 2039 number of black nodes along all paths to root must be constant ok 2040 item count consistency ok 2041 number of black nodes along all paths to root must be constant ok 2042 item count consistency ok 2043 tree length ok 2044 root is black ok 2045 node color must be red or black ok 2046 left tree order invariant ok 2047 right tree order invariant ok 2048 node color must be red or black ok 2049 left tree order invariant ok 2050 right tree order invariant ok 2051 children of red node must be black ok 2052 children of red node must be black ok 2053 left tree order invariant ok 2054 right tree order invariant ok 2055 node color must be red or black ok 2056 left tree order invariant ok 2057 right tree order invariant ok 2058 children of red node must be black ok 2059 children of red node must be black ok 2060 left tree order invariant ok 2061 right tree order invariant ok 2062 node color must be red or black ok 2063 left tree order invariant ok 2064 children of red node must be black ok 2065 children of red node must be black ok 2066 number of black nodes along all paths to root must be constant ok 2067 item count consistency ok 2068 number of black nodes along all paths to root must be constant ok 2069 item count consistency ok 2070 node color must be red or black ok 2071 number of black nodes along all paths to root must be constant ok 2072 item count consistency ok 2073 number of black nodes along all paths to root must be constant ok 2074 item count consistency ok 2075 node color must be red or black ok 2076 number of black nodes along all paths to root must be constant ok 2077 item count consistency ok 2078 number of black nodes along all paths to root must be constant ok 2079 item count consistency ok 2080 node color must be red or black ok 2081 left tree order invariant ok 2082 right tree order invariant ok 2083 node color must be red or black ok 2084 number of black nodes along all paths to root must be constant ok 2085 item count consistency ok 2086 node color must be red or black ok 2087 number of black nodes along all paths to root must be constant ok 2088 item count consistency ok 2089 number of black nodes along all paths to root must be constant ok 2090 item count consistency ok 2091 number of black nodes along all paths to root must be constant ok 2092 item count consistency ok 2093 node color must be red or black ok 2094 left tree order invariant ok 2095 right tree order invariant ok 2096 node color must be red or black ok 2097 number of black nodes along all paths to root must be constant ok 2098 item count consistency ok 2099 node color must be red or black ok 2100 number of black nodes along all paths to root must be constant ok 2101 item count consistency ok 2102 number of black nodes along all paths to root must be constant ok 2103 item count consistency ok 2104 number of black nodes along all paths to root must be constant ok 2105 item count consistency ok 2106 node color must be red or black ok 2107 left tree order invariant ok 2108 right tree order invariant ok 2109 node color must be red or black ok 2110 left tree order invariant ok 2111 right tree order invariant ok 2112 node color must be red or black ok 2113 number of black nodes along all paths to root must be constant ok 2114 item count consistency ok 2115 node color must be red or black ok 2116 number of black nodes along all paths to root must be constant ok 2117 item count consistency ok 2118 number of black nodes along all paths to root must be constant ok 2119 item count consistency ok 2120 node color must be red or black ok 2121 left tree order invariant ok 2122 right tree order invariant ok 2123 node color must be red or black ok 2124 number of black nodes along all paths to root must be constant ok 2125 item count consistency ok 2126 node color must be red or black ok 2127 number of black nodes along all paths to root must be constant ok 2128 item count consistency ok 2129 number of black nodes along all paths to root must be constant ok 2130 item count consistency ok 2131 number of black nodes along all paths to root must be constant ok 2132 item count consistency ok 2133 number of black nodes along all paths to root must be constant ok 2134 item count consistency ok 2135 tree length ok 2136 should be equal ok 2137 should be equal ok 2138 should be equal ok 2139 should be equal ok 2140 should be equal ok 2141 should be equal ok 2142 should be equal ok 2143 should be equal ok 2144 should be equal ok 2145 should be equal ok 2146 should be equal ok 2147 should be equal ok 2148 should be equal ok 2149 should be equal ok 2150 should be equal ok 2151 should be equal ok 2152 should be equal ok 2153 should be equal ok 2154 should be equal ok 2155 should be equal ok 2156 should be equal ok 2157 should be equal ok 2158 root is black ok 2159 node color must be red or black ok 2160 left tree order invariant ok 2161 right tree order invariant ok 2162 node color must be red or black ok 2163 left tree order invariant ok 2164 right tree order invariant ok 2165 children of red node must be black ok 2166 children of red node must be black ok 2167 left tree order invariant ok 2168 right tree order invariant ok 2169 node color must be red or black ok 2170 left tree order invariant ok 2171 right tree order invariant ok 2172 children of red node must be black ok 2173 children of red node must be black ok 2174 left tree order invariant ok 2175 right tree order invariant ok 2176 node color must be red or black ok 2177 left tree order invariant ok 2178 children of red node must be black ok 2179 children of red node must be black ok 2180 number of black nodes along all paths to root must be constant ok 2181 item count consistency ok 2182 number of black nodes along all paths to root must be constant ok 2183 item count consistency ok 2184 node color must be red or black ok 2185 number of black nodes along all paths to root must be constant ok 2186 item count consistency ok 2187 number of black nodes along all paths to root must be constant ok 2188 item count consistency ok 2189 node color must be red or black ok 2190 number of black nodes along all paths to root must be constant ok 2191 item count consistency ok 2192 number of black nodes along all paths to root must be constant ok 2193 item count consistency ok 2194 node color must be red or black ok 2195 left tree order invariant ok 2196 right tree order invariant ok 2197 node color must be red or black ok 2198 number of black nodes along all paths to root must be constant ok 2199 item count consistency ok 2200 node color must be red or black ok 2201 number of black nodes along all paths to root must be constant ok 2202 item count consistency ok 2203 number of black nodes along all paths to root must be constant ok 2204 item count consistency ok 2205 number of black nodes along all paths to root must be constant ok 2206 item count consistency ok 2207 node color must be red or black ok 2208 left tree order invariant ok 2209 right tree order invariant ok 2210 node color must be red or black ok 2211 number of black nodes along all paths to root must be constant ok 2212 item count consistency ok 2213 node color must be red or black ok 2214 number of black nodes along all paths to root must be constant ok 2215 item count consistency ok 2216 number of black nodes along all paths to root must be constant ok 2217 item count consistency ok 2218 number of black nodes along all paths to root must be constant ok 2219 item count consistency ok 2220 node color must be red or black ok 2221 left tree order invariant ok 2222 right tree order invariant ok 2223 node color must be red or black ok 2224 left tree order invariant ok 2225 right tree order invariant ok 2226 node color must be red or black ok 2227 number of black nodes along all paths to root must be constant ok 2228 item count consistency ok 2229 node color must be red or black ok 2230 number of black nodes along all paths to root must be constant ok 2231 item count consistency ok 2232 number of black nodes along all paths to root must be constant ok 2233 item count consistency ok 2234 node color must be red or black ok 2235 left tree order invariant ok 2236 right tree order invariant ok 2237 node color must be red or black ok 2238 number of black nodes along all paths to root must be constant ok 2239 item count consistency ok 2240 node color must be red or black ok 2241 number of black nodes along all paths to root must be constant ok 2242 item count consistency ok 2243 number of black nodes along all paths to root must be constant ok 2244 item count consistency ok 2245 number of black nodes along all paths to root must be constant ok 2246 item count consistency ok 2247 number of black nodes along all paths to root must be constant ok 2248 item count consistency ok 2249 tree length ok 2250 root is black ok 2251 node color must be red or black ok 2252 left tree order invariant ok 2253 right tree order invariant ok 2254 node color must be red or black ok 2255 left tree order invariant ok 2256 right tree order invariant ok 2257 children of red node must be black ok 2258 children of red node must be black ok 2259 left tree order invariant ok 2260 right tree order invariant ok 2261 node color must be red or black ok 2262 left tree order invariant ok 2263 right tree order invariant ok 2264 children of red node must be black ok 2265 children of red node must be black ok 2266 left tree order invariant ok 2267 right tree order invariant ok 2268 node color must be red or black ok 2269 left tree order invariant ok 2270 right tree order invariant ok 2271 children of red node must be black ok 2272 children of red node must be black ok 2273 number of black nodes along all paths to root must be constant ok 2274 item count consistency ok 2275 children of red node must be black ok 2276 children of red node must be black ok 2277 number of black nodes along all paths to root must be constant ok 2278 item count consistency ok 2279 number of black nodes along all paths to root must be constant ok 2280 item count consistency ok 2281 node color must be red or black ok 2282 number of black nodes along all paths to root must be constant ok 2283 item count consistency ok 2284 number of black nodes along all paths to root must be constant ok 2285 item count consistency ok 2286 node color must be red or black ok 2287 number of black nodes along all paths to root must be constant ok 2288 item count consistency ok 2289 number of black nodes along all paths to root must be constant ok 2290 item count consistency ok 2291 node color must be red or black ok 2292 left tree order invariant ok 2293 right tree order invariant ok 2294 node color must be red or black ok 2295 number of black nodes along all paths to root must be constant ok 2296 item count consistency ok 2297 node color must be red or black ok 2298 number of black nodes along all paths to root must be constant ok 2299 item count consistency ok 2300 number of black nodes along all paths to root must be constant ok 2301 item count consistency ok 2302 number of black nodes along all paths to root must be constant ok 2303 item count consistency ok 2304 node color must be red or black ok 2305 left tree order invariant ok 2306 right tree order invariant ok 2307 node color must be red or black ok 2308 number of black nodes along all paths to root must be constant ok 2309 item count consistency ok 2310 node color must be red or black ok 2311 number of black nodes along all paths to root must be constant ok 2312 item count consistency ok 2313 number of black nodes along all paths to root must be constant ok 2314 item count consistency ok 2315 number of black nodes along all paths to root must be constant ok 2316 item count consistency ok 2317 node color must be red or black ok 2318 left tree order invariant ok 2319 right tree order invariant ok 2320 node color must be red or black ok 2321 left tree order invariant ok 2322 right tree order invariant ok 2323 node color must be red or black ok 2324 number of black nodes along all paths to root must be constant ok 2325 item count consistency ok 2326 node color must be red or black ok 2327 number of black nodes along all paths to root must be constant ok 2328 item count consistency ok 2329 number of black nodes along all paths to root must be constant ok 2330 item count consistency ok 2331 node color must be red or black ok 2332 left tree order invariant ok 2333 right tree order invariant ok 2334 node color must be red or black ok 2335 number of black nodes along all paths to root must be constant ok 2336 item count consistency ok 2337 node color must be red or black ok 2338 number of black nodes along all paths to root must be constant ok 2339 item count consistency ok 2340 number of black nodes along all paths to root must be constant ok 2341 item count consistency ok 2342 number of black nodes along all paths to root must be constant ok 2343 item count consistency ok 2344 number of black nodes along all paths to root must be constant ok 2345 item count consistency ok 2346 tree length ok 2347 should be equal ok 2348 should be equal ok 2349 should be equal ok 2350 should be equal ok 2351 should be equal ok 2352 should be equal ok 2353 should be equal ok 2354 should be equal ok 2355 should be equal ok 2356 should be equal ok 2357 should be equal ok 2358 should be equal ok 2359 should be equal ok 2360 should be equal ok 2361 should be equal ok 2362 should be equal ok 2363 should be equal ok 2364 should be equal ok 2365 should be equal ok 2366 should be equal ok 2367 should be equal ok 2368 should be equal ok 2369 should be equal ok 2370 root is black ok 2371 node color must be red or black ok 2372 left tree order invariant ok 2373 right tree order invariant ok 2374 node color must be red or black ok 2375 left tree order invariant ok 2376 right tree order invariant ok 2377 children of red node must be black ok 2378 children of red node must be black ok 2379 left tree order invariant ok 2380 right tree order invariant ok 2381 node color must be red or black ok 2382 left tree order invariant ok 2383 right tree order invariant ok 2384 children of red node must be black ok 2385 children of red node must be black ok 2386 left tree order invariant ok 2387 right tree order invariant ok 2388 node color must be red or black ok 2389 left tree order invariant ok 2390 right tree order invariant ok 2391 children of red node must be black ok 2392 children of red node must be black ok 2393 number of black nodes along all paths to root must be constant ok 2394 item count consistency ok 2395 children of red node must be black ok 2396 children of red node must be black ok 2397 number of black nodes along all paths to root must be constant ok 2398 item count consistency ok 2399 number of black nodes along all paths to root must be constant ok 2400 item count consistency ok 2401 node color must be red or black ok 2402 number of black nodes along all paths to root must be constant ok 2403 item count consistency ok 2404 number of black nodes along all paths to root must be constant ok 2405 item count consistency ok 2406 node color must be red or black ok 2407 number of black nodes along all paths to root must be constant ok 2408 item count consistency ok 2409 number of black nodes along all paths to root must be constant ok 2410 item count consistency ok 2411 node color must be red or black ok 2412 left tree order invariant ok 2413 right tree order invariant ok 2414 node color must be red or black ok 2415 number of black nodes along all paths to root must be constant ok 2416 item count consistency ok 2417 node color must be red or black ok 2418 number of black nodes along all paths to root must be constant ok 2419 item count consistency ok 2420 number of black nodes along all paths to root must be constant ok 2421 item count consistency ok 2422 number of black nodes along all paths to root must be constant ok 2423 item count consistency ok 2424 node color must be red or black ok 2425 left tree order invariant ok 2426 right tree order invariant ok 2427 node color must be red or black ok 2428 number of black nodes along all paths to root must be constant ok 2429 item count consistency ok 2430 node color must be red or black ok 2431 number of black nodes along all paths to root must be constant ok 2432 item count consistency ok 2433 number of black nodes along all paths to root must be constant ok 2434 item count consistency ok 2435 number of black nodes along all paths to root must be constant ok 2436 item count consistency ok 2437 node color must be red or black ok 2438 left tree order invariant ok 2439 right tree order invariant ok 2440 node color must be red or black ok 2441 left tree order invariant ok 2442 right tree order invariant ok 2443 node color must be red or black ok 2444 number of black nodes along all paths to root must be constant ok 2445 item count consistency ok 2446 node color must be red or black ok 2447 number of black nodes along all paths to root must be constant ok 2448 item count consistency ok 2449 number of black nodes along all paths to root must be constant ok 2450 item count consistency ok 2451 node color must be red or black ok 2452 left tree order invariant ok 2453 right tree order invariant ok 2454 node color must be red or black ok 2455 number of black nodes along all paths to root must be constant ok 2456 item count consistency ok 2457 node color must be red or black ok 2458 number of black nodes along all paths to root must be constant ok 2459 item count consistency ok 2460 number of black nodes along all paths to root must be constant ok 2461 item count consistency ok 2462 number of black nodes along all paths to root must be constant ok 2463 item count consistency ok 2464 number of black nodes along all paths to root must be constant ok 2465 item count consistency ok 2466 tree length ok 2467 root is black ok 2468 node color must be red or black ok 2469 left tree order invariant ok 2470 right tree order invariant ok 2471 node color must be red or black ok 2472 left tree order invariant ok 2473 right tree order invariant ok 2474 children of red node must be black ok 2475 children of red node must be black ok 2476 left tree order invariant ok 2477 right tree order invariant ok 2478 node color must be red or black ok 2479 left tree order invariant ok 2480 right tree order invariant ok 2481 children of red node must be black ok 2482 children of red node must be black ok 2483 left tree order invariant ok 2484 right tree order invariant ok 2485 node color must be red or black ok 2486 number of black nodes along all paths to root must be constant ok 2487 item count consistency ok 2488 node color must be red or black ok 2489 left tree order invariant ok 2490 children of red node must be black ok 2491 children of red node must be black ok 2492 number of black nodes along all paths to root must be constant ok 2493 item count consistency ok 2494 number of black nodes along all paths to root must be constant ok 2495 item count consistency ok 2496 number of black nodes along all paths to root must be constant ok 2497 item count consistency ok 2498 children of red node must be black ok 2499 children of red node must be black ok 2500 left tree order invariant ok 2501 right tree order invariant ok 2502 node color must be red or black ok 2503 number of black nodes along all paths to root must be constant ok 2504 item count consistency ok 2505 node color must be red or black ok 2506 number of black nodes along all paths to root must be constant ok 2507 item count consistency ok 2508 number of black nodes along all paths to root must be constant ok 2509 item count consistency ok 2510 number of black nodes along all paths to root must be constant ok 2511 item count consistency ok 2512 node color must be red or black ok 2513 left tree order invariant ok 2514 right tree order invariant ok 2515 node color must be red or black ok 2516 number of black nodes along all paths to root must be constant ok 2517 item count consistency ok 2518 node color must be red or black ok 2519 number of black nodes along all paths to root must be constant ok 2520 item count consistency ok 2521 number of black nodes along all paths to root must be constant ok 2522 item count consistency ok 2523 number of black nodes along all paths to root must be constant ok 2524 item count consistency ok 2525 node color must be red or black ok 2526 left tree order invariant ok 2527 right tree order invariant ok 2528 node color must be red or black ok 2529 number of black nodes along all paths to root must be constant ok 2530 item count consistency ok 2531 node color must be red or black ok 2532 number of black nodes along all paths to root must be constant ok 2533 item count consistency ok 2534 number of black nodes along all paths to root must be constant ok 2535 item count consistency ok 2536 number of black nodes along all paths to root must be constant ok 2537 item count consistency ok 2538 node color must be red or black ok 2539 left tree order invariant ok 2540 right tree order invariant ok 2541 node color must be red or black ok 2542 left tree order invariant ok 2543 right tree order invariant ok 2544 node color must be red or black ok 2545 number of black nodes along all paths to root must be constant ok 2546 item count consistency ok 2547 node color must be red or black ok 2548 number of black nodes along all paths to root must be constant ok 2549 item count consistency ok 2550 number of black nodes along all paths to root must be constant ok 2551 item count consistency ok 2552 node color must be red or black ok 2553 left tree order invariant ok 2554 right tree order invariant ok 2555 node color must be red or black ok 2556 number of black nodes along all paths to root must be constant ok 2557 item count consistency ok 2558 node color must be red or black ok 2559 number of black nodes along all paths to root must be constant ok 2560 item count consistency ok 2561 number of black nodes along all paths to root must be constant ok 2562 item count consistency ok 2563 number of black nodes along all paths to root must be constant ok 2564 item count consistency ok 2565 number of black nodes along all paths to root must be constant ok 2566 item count consistency ok 2567 tree length ok 2568 should be equal ok 2569 should be equal ok 2570 should be equal ok 2571 should be equal ok 2572 should be equal ok 2573 should be equal ok 2574 should be equal ok 2575 should be equal ok 2576 should be equal ok 2577 should be equal ok 2578 should be equal ok 2579 should be equal ok 2580 should be equal ok 2581 should be equal ok 2582 should be equal ok 2583 should be equal ok 2584 should be equal ok 2585 should be equal ok 2586 should be equal ok 2587 should be equal ok 2588 should be equal ok 2589 should be equal ok 2590 should be equal ok 2591 should be equal ok 2592 root is black ok 2593 node color must be red or black ok 2594 left tree order invariant ok 2595 right tree order invariant ok 2596 node color must be red or black ok 2597 left tree order invariant ok 2598 right tree order invariant ok 2599 children of red node must be black ok 2600 children of red node must be black ok 2601 left tree order invariant ok 2602 right tree order invariant ok 2603 node color must be red or black ok 2604 left tree order invariant ok 2605 right tree order invariant ok 2606 children of red node must be black ok 2607 children of red node must be black ok 2608 left tree order invariant ok 2609 right tree order invariant ok 2610 node color must be red or black ok 2611 number of black nodes along all paths to root must be constant ok 2612 item count consistency ok 2613 node color must be red or black ok 2614 left tree order invariant ok 2615 children of red node must be black ok 2616 children of red node must be black ok 2617 number of black nodes along all paths to root must be constant ok 2618 item count consistency ok 2619 number of black nodes along all paths to root must be constant ok 2620 item count consistency ok 2621 number of black nodes along all paths to root must be constant ok 2622 item count consistency ok 2623 children of red node must be black ok 2624 children of red node must be black ok 2625 left tree order invariant ok 2626 right tree order invariant ok 2627 node color must be red or black ok 2628 number of black nodes along all paths to root must be constant ok 2629 item count consistency ok 2630 node color must be red or black ok 2631 number of black nodes along all paths to root must be constant ok 2632 item count consistency ok 2633 number of black nodes along all paths to root must be constant ok 2634 item count consistency ok 2635 number of black nodes along all paths to root must be constant ok 2636 item count consistency ok 2637 node color must be red or black ok 2638 left tree order invariant ok 2639 right tree order invariant ok 2640 node color must be red or black ok 2641 number of black nodes along all paths to root must be constant ok 2642 item count consistency ok 2643 node color must be red or black ok 2644 number of black nodes along all paths to root must be constant ok 2645 item count consistency ok 2646 number of black nodes along all paths to root must be constant ok 2647 item count consistency ok 2648 number of black nodes along all paths to root must be constant ok 2649 item count consistency ok 2650 node color must be red or black ok 2651 left tree order invariant ok 2652 right tree order invariant ok 2653 node color must be red or black ok 2654 number of black nodes along all paths to root must be constant ok 2655 item count consistency ok 2656 node color must be red or black ok 2657 number of black nodes along all paths to root must be constant ok 2658 item count consistency ok 2659 number of black nodes along all paths to root must be constant ok 2660 item count consistency ok 2661 number of black nodes along all paths to root must be constant ok 2662 item count consistency ok 2663 node color must be red or black ok 2664 left tree order invariant ok 2665 right tree order invariant ok 2666 node color must be red or black ok 2667 left tree order invariant ok 2668 right tree order invariant ok 2669 node color must be red or black ok 2670 number of black nodes along all paths to root must be constant ok 2671 item count consistency ok 2672 node color must be red or black ok 2673 number of black nodes along all paths to root must be constant ok 2674 item count consistency ok 2675 number of black nodes along all paths to root must be constant ok 2676 item count consistency ok 2677 node color must be red or black ok 2678 left tree order invariant ok 2679 right tree order invariant ok 2680 node color must be red or black ok 2681 number of black nodes along all paths to root must be constant ok 2682 item count consistency ok 2683 node color must be red or black ok 2684 number of black nodes along all paths to root must be constant ok 2685 item count consistency ok 2686 number of black nodes along all paths to root must be constant ok 2687 item count consistency ok 2688 number of black nodes along all paths to root must be constant ok 2689 item count consistency ok 2690 number of black nodes along all paths to root must be constant ok 2691 item count consistency ok 2692 tree length ok 2693 root is black ok 2694 node color must be red or black ok 2695 left tree order invariant ok 2696 right tree order invariant ok 2697 node color must be red or black ok 2698 left tree order invariant ok 2699 right tree order invariant ok 2700 children of red node must be black ok 2701 children of red node must be black ok 2702 left tree order invariant ok 2703 right tree order invariant ok 2704 node color must be red or black ok 2705 left tree order invariant ok 2706 right tree order invariant ok 2707 children of red node must be black ok 2708 children of red node must be black ok 2709 left tree order invariant ok 2710 right tree order invariant ok 2711 node color must be red or black ok 2712 number of black nodes along all paths to root must be constant ok 2713 item count consistency ok 2714 node color must be red or black ok 2715 left tree order invariant ok 2716 right tree order invariant ok 2717 children of red node must be black ok 2718 children of red node must be black ok 2719 number of black nodes along all paths to root must be constant ok 2720 item count consistency ok 2721 children of red node must be black ok 2722 children of red node must be black ok 2723 number of black nodes along all paths to root must be constant ok 2724 item count consistency ok 2725 number of black nodes along all paths to root must be constant ok 2726 item count consistency ok 2727 number of black nodes along all paths to root must be constant ok 2728 item count consistency ok 2729 children of red node must be black ok 2730 children of red node must be black ok 2731 left tree order invariant ok 2732 right tree order invariant ok 2733 node color must be red or black ok 2734 number of black nodes along all paths to root must be constant ok 2735 item count consistency ok 2736 node color must be red or black ok 2737 number of black nodes along all paths to root must be constant ok 2738 item count consistency ok 2739 number of black nodes along all paths to root must be constant ok 2740 item count consistency ok 2741 number of black nodes along all paths to root must be constant ok 2742 item count consistency ok 2743 node color must be red or black ok 2744 left tree order invariant ok 2745 right tree order invariant ok 2746 node color must be red or black ok 2747 number of black nodes along all paths to root must be constant ok 2748 item count consistency ok 2749 node color must be red or black ok 2750 number of black nodes along all paths to root must be constant ok 2751 item count consistency ok 2752 number of black nodes along all paths to root must be constant ok 2753 item count consistency ok 2754 number of black nodes along all paths to root must be constant ok 2755 item count consistency ok 2756 node color must be red or black ok 2757 left tree order invariant ok 2758 right tree order invariant ok 2759 node color must be red or black ok 2760 number of black nodes along all paths to root must be constant ok 2761 item count consistency ok 2762 node color must be red or black ok 2763 number of black nodes along all paths to root must be constant ok 2764 item count consistency ok 2765 number of black nodes along all paths to root must be constant ok 2766 item count consistency ok 2767 number of black nodes along all paths to root must be constant ok 2768 item count consistency ok 2769 node color must be red or black ok 2770 left tree order invariant ok 2771 right tree order invariant ok 2772 node color must be red or black ok 2773 left tree order invariant ok 2774 right tree order invariant ok 2775 node color must be red or black ok 2776 number of black nodes along all paths to root must be constant ok 2777 item count consistency ok 2778 node color must be red or black ok 2779 number of black nodes along all paths to root must be constant ok 2780 item count consistency ok 2781 number of black nodes along all paths to root must be constant ok 2782 item count consistency ok 2783 node color must be red or black ok 2784 left tree order invariant ok 2785 right tree order invariant ok 2786 node color must be red or black ok 2787 number of black nodes along all paths to root must be constant ok 2788 item count consistency ok 2789 node color must be red or black ok 2790 number of black nodes along all paths to root must be constant ok 2791 item count consistency ok 2792 number of black nodes along all paths to root must be constant ok 2793 item count consistency ok 2794 number of black nodes along all paths to root must be constant ok 2795 item count consistency ok 2796 number of black nodes along all paths to root must be constant ok 2797 item count consistency ok 2798 tree length ok 2799 should be equal ok 2800 should be equal ok 2801 should be equal ok 2802 should be equal ok 2803 should be equal ok 2804 should be equal ok 2805 should be equal ok 2806 should be equal ok 2807 should be equal ok 2808 should be equal ok 2809 should be equal ok 2810 should be equal ok 2811 should be equal ok 2812 should be equal ok 2813 should be equal ok 2814 should be equal ok 2815 should be equal ok 2816 should be equal ok 2817 should be equal ok 2818 should be equal ok 2819 should be equal ok 2820 should be equal ok 2821 should be equal ok 2822 should be equal ok 2823 should be equal ok 2824 root is black ok 2825 node color must be red or black ok 2826 left tree order invariant ok 2827 right tree order invariant ok 2828 node color must be red or black ok 2829 left tree order invariant ok 2830 right tree order invariant ok 2831 children of red node must be black ok 2832 children of red node must be black ok 2833 left tree order invariant ok 2834 right tree order invariant ok 2835 node color must be red or black ok 2836 left tree order invariant ok 2837 right tree order invariant ok 2838 children of red node must be black ok 2839 children of red node must be black ok 2840 left tree order invariant ok 2841 right tree order invariant ok 2842 node color must be red or black ok 2843 number of black nodes along all paths to root must be constant ok 2844 item count consistency ok 2845 node color must be red or black ok 2846 left tree order invariant ok 2847 right tree order invariant ok 2848 children of red node must be black ok 2849 children of red node must be black ok 2850 number of black nodes along all paths to root must be constant ok 2851 item count consistency ok 2852 children of red node must be black ok 2853 children of red node must be black ok 2854 number of black nodes along all paths to root must be constant ok 2855 item count consistency ok 2856 number of black nodes along all paths to root must be constant ok 2857 item count consistency ok 2858 number of black nodes along all paths to root must be constant ok 2859 item count consistency ok 2860 children of red node must be black ok 2861 children of red node must be black ok 2862 left tree order invariant ok 2863 right tree order invariant ok 2864 node color must be red or black ok 2865 number of black nodes along all paths to root must be constant ok 2866 item count consistency ok 2867 node color must be red or black ok 2868 number of black nodes along all paths to root must be constant ok 2869 item count consistency ok 2870 number of black nodes along all paths to root must be constant ok 2871 item count consistency ok 2872 number of black nodes along all paths to root must be constant ok 2873 item count consistency ok 2874 node color must be red or black ok 2875 left tree order invariant ok 2876 right tree order invariant ok 2877 node color must be red or black ok 2878 number of black nodes along all paths to root must be constant ok 2879 item count consistency ok 2880 node color must be red or black ok 2881 number of black nodes along all paths to root must be constant ok 2882 item count consistency ok 2883 number of black nodes along all paths to root must be constant ok 2884 item count consistency ok 2885 number of black nodes along all paths to root must be constant ok 2886 item count consistency ok 2887 node color must be red or black ok 2888 left tree order invariant ok 2889 right tree order invariant ok 2890 node color must be red or black ok 2891 number of black nodes along all paths to root must be constant ok 2892 item count consistency ok 2893 node color must be red or black ok 2894 number of black nodes along all paths to root must be constant ok 2895 item count consistency ok 2896 number of black nodes along all paths to root must be constant ok 2897 item count consistency ok 2898 number of black nodes along all paths to root must be constant ok 2899 item count consistency ok 2900 node color must be red or black ok 2901 left tree order invariant ok 2902 right tree order invariant ok 2903 node color must be red or black ok 2904 left tree order invariant ok 2905 right tree order invariant ok 2906 node color must be red or black ok 2907 number of black nodes along all paths to root must be constant ok 2908 item count consistency ok 2909 node color must be red or black ok 2910 number of black nodes along all paths to root must be constant ok 2911 item count consistency ok 2912 number of black nodes along all paths to root must be constant ok 2913 item count consistency ok 2914 node color must be red or black ok 2915 left tree order invariant ok 2916 right tree order invariant ok 2917 node color must be red or black ok 2918 number of black nodes along all paths to root must be constant ok 2919 item count consistency ok 2920 node color must be red or black ok 2921 number of black nodes along all paths to root must be constant ok 2922 item count consistency ok 2923 number of black nodes along all paths to root must be constant ok 2924 item count consistency ok 2925 number of black nodes along all paths to root must be constant ok 2926 item count consistency ok 2927 number of black nodes along all paths to root must be constant ok 2928 item count consistency ok 2929 tree length ok 2930 root is black ok 2931 node color must be red or black ok 2932 left tree order invariant ok 2933 right tree order invariant ok 2934 node color must be red or black ok 2935 left tree order invariant ok 2936 right tree order invariant ok 2937 children of red node must be black ok 2938 children of red node must be black ok 2939 left tree order invariant ok 2940 right tree order invariant ok 2941 node color must be red or black ok 2942 left tree order invariant ok 2943 right tree order invariant ok 2944 node color must be red or black ok 2945 number of black nodes along all paths to root must be constant ok 2946 item count consistency ok 2947 children of red node must be black ok 2948 children of red node must be black ok 2949 left tree order invariant ok 2950 right tree order invariant ok 2951 node color must be red or black ok 2952 number of black nodes along all paths to root must be constant ok 2953 item count consistency ok 2954 node color must be red or black ok 2955 left tree order invariant ok 2956 children of red node must be black ok 2957 children of red node must be black ok 2958 number of black nodes along all paths to root must be constant ok 2959 item count consistency ok 2960 number of black nodes along all paths to root must be constant ok 2961 item count consistency ok 2962 number of black nodes along all paths to root must be constant ok 2963 item count consistency ok 2964 number of black nodes along all paths to root must be constant ok 2965 item count consistency ok 2966 node color must be red or black ok 2967 left tree order invariant ok 2968 right tree order invariant ok 2969 node color must be red or black ok 2970 number of black nodes along all paths to root must be constant ok 2971 item count consistency ok 2972 node color must be red or black ok 2973 number of black nodes along all paths to root must be constant ok 2974 item count consistency ok 2975 number of black nodes along all paths to root must be constant ok 2976 item count consistency ok 2977 number of black nodes along all paths to root must be constant ok 2978 item count consistency ok 2979 children of red node must be black ok 2980 children of red node must be black ok 2981 left tree order invariant ok 2982 right tree order invariant ok 2983 node color must be red or black ok 2984 left tree order invariant ok 2985 right tree order invariant ok 2986 node color must be red or black ok 2987 number of black nodes along all paths to root must be constant ok 2988 item count consistency ok 2989 node color must be red or black ok 2990 number of black nodes along all paths to root must be constant ok 2991 item count consistency ok 2992 number of black nodes along all paths to root must be constant ok 2993 item count consistency ok 2994 node color must be red or black ok 2995 left tree order invariant ok 2996 right tree order invariant ok 2997 node color must be red or black ok 2998 number of black nodes along all paths to root must be constant ok 2999 item count consistency ok 3000 node color must be red or black ok 3001 number of black nodes along all paths to root must be constant ok 3002 item count consistency ok 3003 number of black nodes along all paths to root must be constant ok 3004 item count consistency ok 3005 number of black nodes along all paths to root must be constant ok 3006 item count consistency ok 3007 number of black nodes along all paths to root must be constant ok 3008 item count consistency ok 3009 node color must be red or black ok 3010 left tree order invariant ok 3011 right tree order invariant ok 3012 node color must be red or black ok 3013 left tree order invariant ok 3014 right tree order invariant ok 3015 node color must be red or black ok 3016 number of black nodes along all paths to root must be constant ok 3017 item count consistency ok 3018 node color must be red or black ok 3019 number of black nodes along all paths to root must be constant ok 3020 item count consistency ok 3021 number of black nodes along all paths to root must be constant ok 3022 item count consistency ok 3023 node color must be red or black ok 3024 left tree order invariant ok 3025 right tree order invariant ok 3026 node color must be red or black ok 3027 number of black nodes along all paths to root must be constant ok 3028 item count consistency ok 3029 node color must be red or black ok 3030 number of black nodes along all paths to root must be constant ok 3031 item count consistency ok 3032 number of black nodes along all paths to root must be constant ok 3033 item count consistency ok 3034 number of black nodes along all paths to root must be constant ok 3035 item count consistency ok 3036 number of black nodes along all paths to root must be constant ok 3037 item count consistency ok 3038 tree length ok 3039 should be equal ok 3040 should be equal ok 3041 should be equal ok 3042 should be equal ok 3043 should be equal ok 3044 should be equal ok 3045 should be equal ok 3046 should be equal ok 3047 should be equal ok 3048 should be equal ok 3049 should be equal ok 3050 should be equal ok 3051 should be equal ok 3052 should be equal ok 3053 should be equal ok 3054 should be equal ok 3055 should be equal ok 3056 should be equal ok 3057 should be equal ok 3058 should be equal ok 3059 should be equal ok 3060 should be equal ok 3061 should be equal ok 3062 should be equal ok 3063 should be equal ok 3064 should be equal ok 3065 root is black ok 3066 node color must be red or black ok 3067 left tree order invariant ok 3068 right tree order invariant ok 3069 node color must be red or black ok 3070 left tree order invariant ok 3071 right tree order invariant ok 3072 children of red node must be black ok 3073 children of red node must be black ok 3074 left tree order invariant ok 3075 right tree order invariant ok 3076 node color must be red or black ok 3077 left tree order invariant ok 3078 right tree order invariant ok 3079 node color must be red or black ok 3080 number of black nodes along all paths to root must be constant ok 3081 item count consistency ok 3082 children of red node must be black ok 3083 children of red node must be black ok 3084 left tree order invariant ok 3085 right tree order invariant ok 3086 node color must be red or black ok 3087 number of black nodes along all paths to root must be constant ok 3088 item count consistency ok 3089 node color must be red or black ok 3090 left tree order invariant ok 3091 children of red node must be black ok 3092 children of red node must be black ok 3093 number of black nodes along all paths to root must be constant ok 3094 item count consistency ok 3095 number of black nodes along all paths to root must be constant ok 3096 item count consistency ok 3097 number of black nodes along all paths to root must be constant ok 3098 item count consistency ok 3099 number of black nodes along all paths to root must be constant ok 3100 item count consistency ok 3101 node color must be red or black ok 3102 left tree order invariant ok 3103 right tree order invariant ok 3104 node color must be red or black ok 3105 number of black nodes along all paths to root must be constant ok 3106 item count consistency ok 3107 node color must be red or black ok 3108 number of black nodes along all paths to root must be constant ok 3109 item count consistency ok 3110 number of black nodes along all paths to root must be constant ok 3111 item count consistency ok 3112 number of black nodes along all paths to root must be constant ok 3113 item count consistency ok 3114 children of red node must be black ok 3115 children of red node must be black ok 3116 left tree order invariant ok 3117 right tree order invariant ok 3118 node color must be red or black ok 3119 left tree order invariant ok 3120 right tree order invariant ok 3121 node color must be red or black ok 3122 number of black nodes along all paths to root must be constant ok 3123 item count consistency ok 3124 node color must be red or black ok 3125 number of black nodes along all paths to root must be constant ok 3126 item count consistency ok 3127 number of black nodes along all paths to root must be constant ok 3128 item count consistency ok 3129 node color must be red or black ok 3130 left tree order invariant ok 3131 right tree order invariant ok 3132 node color must be red or black ok 3133 number of black nodes along all paths to root must be constant ok 3134 item count consistency ok 3135 node color must be red or black ok 3136 number of black nodes along all paths to root must be constant ok 3137 item count consistency ok 3138 number of black nodes along all paths to root must be constant ok 3139 item count consistency ok 3140 number of black nodes along all paths to root must be constant ok 3141 item count consistency ok 3142 number of black nodes along all paths to root must be constant ok 3143 item count consistency ok 3144 node color must be red or black ok 3145 left tree order invariant ok 3146 right tree order invariant ok 3147 node color must be red or black ok 3148 left tree order invariant ok 3149 right tree order invariant ok 3150 node color must be red or black ok 3151 number of black nodes along all paths to root must be constant ok 3152 item count consistency ok 3153 node color must be red or black ok 3154 number of black nodes along all paths to root must be constant ok 3155 item count consistency ok 3156 number of black nodes along all paths to root must be constant ok 3157 item count consistency ok 3158 node color must be red or black ok 3159 left tree order invariant ok 3160 right tree order invariant ok 3161 node color must be red or black ok 3162 number of black nodes along all paths to root must be constant ok 3163 item count consistency ok 3164 node color must be red or black ok 3165 number of black nodes along all paths to root must be constant ok 3166 item count consistency ok 3167 number of black nodes along all paths to root must be constant ok 3168 item count consistency ok 3169 number of black nodes along all paths to root must be constant ok 3170 item count consistency ok 3171 number of black nodes along all paths to root must be constant ok 3172 item count consistency ok 3173 tree length ok 3174 root is black ok 3175 node color must be red or black ok 3176 left tree order invariant ok 3177 right tree order invariant ok 3178 node color must be red or black ok 3179 left tree order invariant ok 3180 right tree order invariant ok 3181 children of red node must be black ok 3182 children of red node must be black ok 3183 left tree order invariant ok 3184 right tree order invariant ok 3185 node color must be red or black ok 3186 left tree order invariant ok 3187 right tree order invariant ok 3188 node color must be red or black ok 3189 number of black nodes along all paths to root must be constant ok 3190 item count consistency ok 3191 children of red node must be black ok 3192 children of red node must be black ok 3193 left tree order invariant ok 3194 right tree order invariant ok 3195 node color must be red or black ok 3196 number of black nodes along all paths to root must be constant ok 3197 item count consistency ok 3198 node color must be red or black ok 3199 left tree order invariant ok 3200 right tree order invariant ok 3201 children of red node must be black ok 3202 children of red node must be black ok 3203 number of black nodes along all paths to root must be constant ok 3204 item count consistency ok 3205 children of red node must be black ok 3206 children of red node must be black ok 3207 number of black nodes along all paths to root must be constant ok 3208 item count consistency ok 3209 number of black nodes along all paths to root must be constant ok 3210 item count consistency ok 3211 number of black nodes along all paths to root must be constant ok 3212 item count consistency ok 3213 number of black nodes along all paths to root must be constant ok 3214 item count consistency ok 3215 node color must be red or black ok 3216 left tree order invariant ok 3217 right tree order invariant ok 3218 node color must be red or black ok 3219 number of black nodes along all paths to root must be constant ok 3220 item count consistency ok 3221 node color must be red or black ok 3222 number of black nodes along all paths to root must be constant ok 3223 item count consistency ok 3224 number of black nodes along all paths to root must be constant ok 3225 item count consistency ok 3226 number of black nodes along all paths to root must be constant ok 3227 item count consistency ok 3228 children of red node must be black ok 3229 children of red node must be black ok 3230 left tree order invariant ok 3231 right tree order invariant ok 3232 node color must be red or black ok 3233 left tree order invariant ok 3234 right tree order invariant ok 3235 node color must be red or black ok 3236 number of black nodes along all paths to root must be constant ok 3237 item count consistency ok 3238 node color must be red or black ok 3239 number of black nodes along all paths to root must be constant ok 3240 item count consistency ok 3241 number of black nodes along all paths to root must be constant ok 3242 item count consistency ok 3243 node color must be red or black ok 3244 left tree order invariant ok 3245 right tree order invariant ok 3246 node color must be red or black ok 3247 number of black nodes along all paths to root must be constant ok 3248 item count consistency ok 3249 node color must be red or black ok 3250 number of black nodes along all paths to root must be constant ok 3251 item count consistency ok 3252 number of black nodes along all paths to root must be constant ok 3253 item count consistency ok 3254 number of black nodes along all paths to root must be constant ok 3255 item count consistency ok 3256 number of black nodes along all paths to root must be constant ok 3257 item count consistency ok 3258 node color must be red or black ok 3259 left tree order invariant ok 3260 right tree order invariant ok 3261 node color must be red or black ok 3262 left tree order invariant ok 3263 right tree order invariant ok 3264 node color must be red or black ok 3265 number of black nodes along all paths to root must be constant ok 3266 item count consistency ok 3267 node color must be red or black ok 3268 number of black nodes along all paths to root must be constant ok 3269 item count consistency ok 3270 number of black nodes along all paths to root must be constant ok 3271 item count consistency ok 3272 node color must be red or black ok 3273 left tree order invariant ok 3274 right tree order invariant ok 3275 node color must be red or black ok 3276 number of black nodes along all paths to root must be constant ok 3277 item count consistency ok 3278 node color must be red or black ok 3279 number of black nodes along all paths to root must be constant ok 3280 item count consistency ok 3281 number of black nodes along all paths to root must be constant ok 3282 item count consistency ok 3283 number of black nodes along all paths to root must be constant ok 3284 item count consistency ok 3285 number of black nodes along all paths to root must be constant ok 3286 item count consistency ok 3287 tree length ok 3288 should be equal ok 3289 should be equal ok 3290 should be equal ok 3291 should be equal ok 3292 should be equal ok 3293 should be equal ok 3294 should be equal ok 3295 should be equal ok 3296 should be equal ok 3297 should be equal ok 3298 should be equal ok 3299 should be equal ok 3300 should be equal ok 3301 should be equal ok 3302 should be equal ok 3303 should be equal ok 3304 should be equal ok 3305 should be equal ok 3306 should be equal ok 3307 should be equal ok 3308 should be equal ok 3309 should be equal ok 3310 should be equal ok 3311 should be equal ok 3312 should be equal ok 3313 should be equal ok 3314 should be equal ok 3315 root is black ok 3316 node color must be red or black ok 3317 left tree order invariant ok 3318 right tree order invariant ok 3319 node color must be red or black ok 3320 left tree order invariant ok 3321 right tree order invariant ok 3322 children of red node must be black ok 3323 children of red node must be black ok 3324 left tree order invariant ok 3325 right tree order invariant ok 3326 node color must be red or black ok 3327 left tree order invariant ok 3328 right tree order invariant ok 3329 node color must be red or black ok 3330 number of black nodes along all paths to root must be constant ok 3331 item count consistency ok 3332 children of red node must be black ok 3333 children of red node must be black ok 3334 left tree order invariant ok 3335 right tree order invariant ok 3336 node color must be red or black ok 3337 number of black nodes along all paths to root must be constant ok 3338 item count consistency ok 3339 node color must be red or black ok 3340 left tree order invariant ok 3341 right tree order invariant ok 3342 children of red node must be black ok 3343 children of red node must be black ok 3344 number of black nodes along all paths to root must be constant ok 3345 item count consistency ok 3346 children of red node must be black ok 3347 children of red node must be black ok 3348 number of black nodes along all paths to root must be constant ok 3349 item count consistency ok 3350 number of black nodes along all paths to root must be constant ok 3351 item count consistency ok 3352 number of black nodes along all paths to root must be constant ok 3353 item count consistency ok 3354 number of black nodes along all paths to root must be constant ok 3355 item count consistency ok 3356 node color must be red or black ok 3357 left tree order invariant ok 3358 right tree order invariant ok 3359 node color must be red or black ok 3360 number of black nodes along all paths to root must be constant ok 3361 item count consistency ok 3362 node color must be red or black ok 3363 number of black nodes along all paths to root must be constant ok 3364 item count consistency ok 3365 number of black nodes along all paths to root must be constant ok 3366 item count consistency ok 3367 number of black nodes along all paths to root must be constant ok 3368 item count consistency ok 3369 children of red node must be black ok 3370 children of red node must be black ok 3371 left tree order invariant ok 3372 right tree order invariant ok 3373 node color must be red or black ok 3374 left tree order invariant ok 3375 right tree order invariant ok 3376 node color must be red or black ok 3377 number of black nodes along all paths to root must be constant ok 3378 item count consistency ok 3379 node color must be red or black ok 3380 number of black nodes along all paths to root must be constant ok 3381 item count consistency ok 3382 number of black nodes along all paths to root must be constant ok 3383 item count consistency ok 3384 node color must be red or black ok 3385 left tree order invariant ok 3386 right tree order invariant ok 3387 node color must be red or black ok 3388 number of black nodes along all paths to root must be constant ok 3389 item count consistency ok 3390 node color must be red or black ok 3391 number of black nodes along all paths to root must be constant ok 3392 item count consistency ok 3393 number of black nodes along all paths to root must be constant ok 3394 item count consistency ok 3395 number of black nodes along all paths to root must be constant ok 3396 item count consistency ok 3397 number of black nodes along all paths to root must be constant ok 3398 item count consistency ok 3399 node color must be red or black ok 3400 left tree order invariant ok 3401 right tree order invariant ok 3402 node color must be red or black ok 3403 left tree order invariant ok 3404 right tree order invariant ok 3405 node color must be red or black ok 3406 number of black nodes along all paths to root must be constant ok 3407 item count consistency ok 3408 node color must be red or black ok 3409 number of black nodes along all paths to root must be constant ok 3410 item count consistency ok 3411 number of black nodes along all paths to root must be constant ok 3412 item count consistency ok 3413 node color must be red or black ok 3414 left tree order invariant ok 3415 right tree order invariant ok 3416 node color must be red or black ok 3417 number of black nodes along all paths to root must be constant ok 3418 item count consistency ok 3419 node color must be red or black ok 3420 number of black nodes along all paths to root must be constant ok 3421 item count consistency ok 3422 number of black nodes along all paths to root must be constant ok 3423 item count consistency ok 3424 number of black nodes along all paths to root must be constant ok 3425 item count consistency ok 3426 number of black nodes along all paths to root must be constant ok 3427 item count consistency ok 3428 tree length ok 3429 root is black ok 3430 node color must be red or black ok 3431 left tree order invariant ok 3432 right tree order invariant ok 3433 node color must be red or black ok 3434 left tree order invariant ok 3435 right tree order invariant ok 3436 children of red node must be black ok 3437 children of red node must be black ok 3438 left tree order invariant ok 3439 right tree order invariant ok 3440 node color must be red or black ok 3441 left tree order invariant ok 3442 right tree order invariant ok 3443 children of red node must be black ok 3444 children of red node must be black ok 3445 left tree order invariant ok 3446 right tree order invariant ok 3447 node color must be red or black ok 3448 number of black nodes along all paths to root must be constant ok 3449 item count consistency ok 3450 node color must be red or black ok 3451 number of black nodes along all paths to root must be constant ok 3452 item count consistency ok 3453 number of black nodes along all paths to root must be constant ok 3454 item count consistency ok 3455 children of red node must be black ok 3456 children of red node must be black ok 3457 left tree order invariant ok 3458 right tree order invariant ok 3459 node color must be red or black ok 3460 number of black nodes along all paths to root must be constant ok 3461 item count consistency ok 3462 node color must be red or black ok 3463 left tree order invariant ok 3464 children of red node must be black ok 3465 children of red node must be black ok 3466 number of black nodes along all paths to root must be constant ok 3467 item count consistency ok 3468 number of black nodes along all paths to root must be constant ok 3469 item count consistency ok 3470 number of black nodes along all paths to root must be constant ok 3471 item count consistency ok 3472 number of black nodes along all paths to root must be constant ok 3473 item count consistency ok 3474 node color must be red or black ok 3475 left tree order invariant ok 3476 right tree order invariant ok 3477 node color must be red or black ok 3478 number of black nodes along all paths to root must be constant ok 3479 item count consistency ok 3480 node color must be red or black ok 3481 number of black nodes along all paths to root must be constant ok 3482 item count consistency ok 3483 number of black nodes along all paths to root must be constant ok 3484 item count consistency ok 3485 number of black nodes along all paths to root must be constant ok 3486 item count consistency ok 3487 children of red node must be black ok 3488 children of red node must be black ok 3489 left tree order invariant ok 3490 right tree order invariant ok 3491 node color must be red or black ok 3492 left tree order invariant ok 3493 right tree order invariant ok 3494 node color must be red or black ok 3495 number of black nodes along all paths to root must be constant ok 3496 item count consistency ok 3497 node color must be red or black ok 3498 number of black nodes along all paths to root must be constant ok 3499 item count consistency ok 3500 number of black nodes along all paths to root must be constant ok 3501 item count consistency ok 3502 node color must be red or black ok 3503 left tree order invariant ok 3504 right tree order invariant ok 3505 node color must be red or black ok 3506 number of black nodes along all paths to root must be constant ok 3507 item count consistency ok 3508 node color must be red or black ok 3509 number of black nodes along all paths to root must be constant ok 3510 item count consistency ok 3511 number of black nodes along all paths to root must be constant ok 3512 item count consistency ok 3513 number of black nodes along all paths to root must be constant ok 3514 item count consistency ok 3515 number of black nodes along all paths to root must be constant ok 3516 item count consistency ok 3517 node color must be red or black ok 3518 left tree order invariant ok 3519 right tree order invariant ok 3520 node color must be red or black ok 3521 left tree order invariant ok 3522 right tree order invariant ok 3523 node color must be red or black ok 3524 number of black nodes along all paths to root must be constant ok 3525 item count consistency ok 3526 node color must be red or black ok 3527 number of black nodes along all paths to root must be constant ok 3528 item count consistency ok 3529 number of black nodes along all paths to root must be constant ok 3530 item count consistency ok 3531 node color must be red or black ok 3532 left tree order invariant ok 3533 right tree order invariant ok 3534 node color must be red or black ok 3535 number of black nodes along all paths to root must be constant ok 3536 item count consistency ok 3537 node color must be red or black ok 3538 number of black nodes along all paths to root must be constant ok 3539 item count consistency ok 3540 number of black nodes along all paths to root must be constant ok 3541 item count consistency ok 3542 number of black nodes along all paths to root must be constant ok 3543 item count consistency ok 3544 number of black nodes along all paths to root must be constant ok 3545 item count consistency ok 3546 tree length ok 3547 should be equal ok 3548 should be equal ok 3549 should be equal ok 3550 should be equal ok 3551 should be equal ok 3552 should be equal ok 3553 should be equal ok 3554 should be equal ok 3555 should be equal ok 3556 should be equal ok 3557 should be equal ok 3558 should be equal ok 3559 should be equal ok 3560 should be equal ok 3561 should be equal ok 3562 should be equal ok 3563 should be equal ok 3564 should be equal ok 3565 should be equal ok 3566 should be equal ok 3567 should be equal ok 3568 should be equal ok 3569 should be equal ok 3570 should be equal ok 3571 should be equal ok 3572 should be equal ok 3573 should be equal ok 3574 should be equal ok 3575 root is black ok 3576 node color must be red or black ok 3577 left tree order invariant ok 3578 right tree order invariant ok 3579 node color must be red or black ok 3580 left tree order invariant ok 3581 right tree order invariant ok 3582 children of red node must be black ok 3583 children of red node must be black ok 3584 left tree order invariant ok 3585 right tree order invariant ok 3586 node color must be red or black ok 3587 left tree order invariant ok 3588 right tree order invariant ok 3589 children of red node must be black ok 3590 children of red node must be black ok 3591 left tree order invariant ok 3592 right tree order invariant ok 3593 node color must be red or black ok 3594 number of black nodes along all paths to root must be constant ok 3595 item count consistency ok 3596 node color must be red or black ok 3597 number of black nodes along all paths to root must be constant ok 3598 item count consistency ok 3599 number of black nodes along all paths to root must be constant ok 3600 item count consistency ok 3601 children of red node must be black ok 3602 children of red node must be black ok 3603 left tree order invariant ok 3604 right tree order invariant ok 3605 node color must be red or black ok 3606 number of black nodes along all paths to root must be constant ok 3607 item count consistency ok 3608 node color must be red or black ok 3609 left tree order invariant ok 3610 children of red node must be black ok 3611 children of red node must be black ok 3612 number of black nodes along all paths to root must be constant ok 3613 item count consistency ok 3614 number of black nodes along all paths to root must be constant ok 3615 item count consistency ok 3616 number of black nodes along all paths to root must be constant ok 3617 item count consistency ok 3618 number of black nodes along all paths to root must be constant ok 3619 item count consistency ok 3620 node color must be red or black ok 3621 left tree order invariant ok 3622 right tree order invariant ok 3623 node color must be red or black ok 3624 number of black nodes along all paths to root must be constant ok 3625 item count consistency ok 3626 node color must be red or black ok 3627 number of black nodes along all paths to root must be constant ok 3628 item count consistency ok 3629 number of black nodes along all paths to root must be constant ok 3630 item count consistency ok 3631 number of black nodes along all paths to root must be constant ok 3632 item count consistency ok 3633 children of red node must be black ok 3634 children of red node must be black ok 3635 left tree order invariant ok 3636 right tree order invariant ok 3637 node color must be red or black ok 3638 left tree order invariant ok 3639 right tree order invariant ok 3640 node color must be red or black ok 3641 number of black nodes along all paths to root must be constant ok 3642 item count consistency ok 3643 node color must be red or black ok 3644 number of black nodes along all paths to root must be constant ok 3645 item count consistency ok 3646 number of black nodes along all paths to root must be constant ok 3647 item count consistency ok 3648 node color must be red or black ok 3649 left tree order invariant ok 3650 right tree order invariant ok 3651 node color must be red or black ok 3652 number of black nodes along all paths to root must be constant ok 3653 item count consistency ok 3654 node color must be red or black ok 3655 number of black nodes along all paths to root must be constant ok 3656 item count consistency ok 3657 number of black nodes along all paths to root must be constant ok 3658 item count consistency ok 3659 number of black nodes along all paths to root must be constant ok 3660 item count consistency ok 3661 number of black nodes along all paths to root must be constant ok 3662 item count consistency ok 3663 node color must be red or black ok 3664 left tree order invariant ok 3665 right tree order invariant ok 3666 node color must be red or black ok 3667 left tree order invariant ok 3668 right tree order invariant ok 3669 node color must be red or black ok 3670 number of black nodes along all paths to root must be constant ok 3671 item count consistency ok 3672 node color must be red or black ok 3673 number of black nodes along all paths to root must be constant ok 3674 item count consistency ok 3675 number of black nodes along all paths to root must be constant ok 3676 item count consistency ok 3677 node color must be red or black ok 3678 left tree order invariant ok 3679 right tree order invariant ok 3680 node color must be red or black ok 3681 number of black nodes along all paths to root must be constant ok 3682 item count consistency ok 3683 node color must be red or black ok 3684 number of black nodes along all paths to root must be constant ok 3685 item count consistency ok 3686 number of black nodes along all paths to root must be constant ok 3687 item count consistency ok 3688 number of black nodes along all paths to root must be constant ok 3689 item count consistency ok 3690 number of black nodes along all paths to root must be constant ok 3691 item count consistency ok 3692 tree length ok 3693 root is black ok 3694 node color must be red or black ok 3695 left tree order invariant ok 3696 right tree order invariant ok 3697 node color must be red or black ok 3698 left tree order invariant ok 3699 right tree order invariant ok 3700 children of red node must be black ok 3701 children of red node must be black ok 3702 left tree order invariant ok 3703 right tree order invariant ok 3704 node color must be red or black ok 3705 left tree order invariant ok 3706 right tree order invariant ok 3707 children of red node must be black ok 3708 children of red node must be black ok 3709 left tree order invariant ok 3710 right tree order invariant ok 3711 node color must be red or black ok 3712 number of black nodes along all paths to root must be constant ok 3713 item count consistency ok 3714 node color must be red or black ok 3715 number of black nodes along all paths to root must be constant ok 3716 item count consistency ok 3717 number of black nodes along all paths to root must be constant ok 3718 item count consistency ok 3719 children of red node must be black ok 3720 children of red node must be black ok 3721 left tree order invariant ok 3722 right tree order invariant ok 3723 node color must be red or black ok 3724 number of black nodes along all paths to root must be constant ok 3725 item count consistency ok 3726 node color must be red or black ok 3727 left tree order invariant ok 3728 right tree order invariant ok 3729 children of red node must be black ok 3730 children of red node must be black ok 3731 number of black nodes along all paths to root must be constant ok 3732 item count consistency ok 3733 children of red node must be black ok 3734 children of red node must be black ok 3735 number of black nodes along all paths to root must be constant ok 3736 item count consistency ok 3737 number of black nodes along all paths to root must be constant ok 3738 item count consistency ok 3739 number of black nodes along all paths to root must be constant ok 3740 item count consistency ok 3741 number of black nodes along all paths to root must be constant ok 3742 item count consistency ok 3743 node color must be red or black ok 3744 left tree order invariant ok 3745 right tree order invariant ok 3746 node color must be red or black ok 3747 number of black nodes along all paths to root must be constant ok 3748 item count consistency ok 3749 node color must be red or black ok 3750 number of black nodes along all paths to root must be constant ok 3751 item count consistency ok 3752 number of black nodes along all paths to root must be constant ok 3753 item count consistency ok 3754 number of black nodes along all paths to root must be constant ok 3755 item count consistency ok 3756 children of red node must be black ok 3757 children of red node must be black ok 3758 left tree order invariant ok 3759 right tree order invariant ok 3760 node color must be red or black ok 3761 left tree order invariant ok 3762 right tree order invariant ok 3763 node color must be red or black ok 3764 number of black nodes along all paths to root must be constant ok 3765 item count consistency ok 3766 node color must be red or black ok 3767 number of black nodes along all paths to root must be constant ok 3768 item count consistency ok 3769 number of black nodes along all paths to root must be constant ok 3770 item count consistency ok 3771 node color must be red or black ok 3772 left tree order invariant ok 3773 right tree order invariant ok 3774 node color must be red or black ok 3775 number of black nodes along all paths to root must be constant ok 3776 item count consistency ok 3777 node color must be red or black ok 3778 number of black nodes along all paths to root must be constant ok 3779 item count consistency ok 3780 number of black nodes along all paths to root must be constant ok 3781 item count consistency ok 3782 number of black nodes along all paths to root must be constant ok 3783 item count consistency ok 3784 number of black nodes along all paths to root must be constant ok 3785 item count consistency ok 3786 node color must be red or black ok 3787 left tree order invariant ok 3788 right tree order invariant ok 3789 node color must be red or black ok 3790 left tree order invariant ok 3791 right tree order invariant ok 3792 node color must be red or black ok 3793 number of black nodes along all paths to root must be constant ok 3794 item count consistency ok 3795 node color must be red or black ok 3796 number of black nodes along all paths to root must be constant ok 3797 item count consistency ok 3798 number of black nodes along all paths to root must be constant ok 3799 item count consistency ok 3800 node color must be red or black ok 3801 left tree order invariant ok 3802 right tree order invariant ok 3803 node color must be red or black ok 3804 number of black nodes along all paths to root must be constant ok 3805 item count consistency ok 3806 node color must be red or black ok 3807 number of black nodes along all paths to root must be constant ok 3808 item count consistency ok 3809 number of black nodes along all paths to root must be constant ok 3810 item count consistency ok 3811 number of black nodes along all paths to root must be constant ok 3812 item count consistency ok 3813 number of black nodes along all paths to root must be constant ok 3814 item count consistency ok 3815 tree length ok 3816 should be equal ok 3817 should be equal ok 3818 should be equal ok 3819 should be equal ok 3820 should be equal ok 3821 should be equal ok 3822 should be equal ok 3823 should be equal ok 3824 should be equal ok 3825 should be equal ok 3826 should be equal ok 3827 should be equal ok 3828 should be equal ok 3829 should be equal ok 3830 should be equal ok 3831 should be equal ok 3832 should be equal ok 3833 should be equal ok 3834 should be equal ok 3835 should be equal ok 3836 should be equal ok 3837 should be equal ok 3838 should be equal ok 3839 should be equal ok 3840 should be equal ok 3841 should be equal ok 3842 should be equal ok 3843 should be equal ok 3844 should be equal ok 3845 root is black ok 3846 node color must be red or black ok 3847 left tree order invariant ok 3848 right tree order invariant ok 3849 node color must be red or black ok 3850 left tree order invariant ok 3851 right tree order invariant ok 3852 children of red node must be black ok 3853 children of red node must be black ok 3854 left tree order invariant ok 3855 right tree order invariant ok 3856 node color must be red or black ok 3857 left tree order invariant ok 3858 right tree order invariant ok 3859 children of red node must be black ok 3860 children of red node must be black ok 3861 left tree order invariant ok 3862 right tree order invariant ok 3863 node color must be red or black ok 3864 number of black nodes along all paths to root must be constant ok 3865 item count consistency ok 3866 node color must be red or black ok 3867 number of black nodes along all paths to root must be constant ok 3868 item count consistency ok 3869 number of black nodes along all paths to root must be constant ok 3870 item count consistency ok 3871 children of red node must be black ok 3872 children of red node must be black ok 3873 left tree order invariant ok 3874 right tree order invariant ok 3875 node color must be red or black ok 3876 number of black nodes along all paths to root must be constant ok 3877 item count consistency ok 3878 node color must be red or black ok 3879 left tree order invariant ok 3880 right tree order invariant ok 3881 children of red node must be black ok 3882 children of red node must be black ok 3883 number of black nodes along all paths to root must be constant ok 3884 item count consistency ok 3885 children of red node must be black ok 3886 children of red node must be black ok 3887 number of black nodes along all paths to root must be constant ok 3888 item count consistency ok 3889 number of black nodes along all paths to root must be constant ok 3890 item count consistency ok 3891 number of black nodes along all paths to root must be constant ok 3892 item count consistency ok 3893 number of black nodes along all paths to root must be constant ok 3894 item count consistency ok 3895 node color must be red or black ok 3896 left tree order invariant ok 3897 right tree order invariant ok 3898 node color must be red or black ok 3899 number of black nodes along all paths to root must be constant ok 3900 item count consistency ok 3901 node color must be red or black ok 3902 number of black nodes along all paths to root must be constant ok 3903 item count consistency ok 3904 number of black nodes along all paths to root must be constant ok 3905 item count consistency ok 3906 number of black nodes along all paths to root must be constant ok 3907 item count consistency ok 3908 children of red node must be black ok 3909 children of red node must be black ok 3910 left tree order invariant ok 3911 right tree order invariant ok 3912 node color must be red or black ok 3913 left tree order invariant ok 3914 right tree order invariant ok 3915 node color must be red or black ok 3916 number of black nodes along all paths to root must be constant ok 3917 item count consistency ok 3918 node color must be red or black ok 3919 number of black nodes along all paths to root must be constant ok 3920 item count consistency ok 3921 number of black nodes along all paths to root must be constant ok 3922 item count consistency ok 3923 node color must be red or black ok 3924 left tree order invariant ok 3925 right tree order invariant ok 3926 node color must be red or black ok 3927 number of black nodes along all paths to root must be constant ok 3928 item count consistency ok 3929 node color must be red or black ok 3930 number of black nodes along all paths to root must be constant ok 3931 item count consistency ok 3932 number of black nodes along all paths to root must be constant ok 3933 item count consistency ok 3934 number of black nodes along all paths to root must be constant ok 3935 item count consistency ok 3936 number of black nodes along all paths to root must be constant ok 3937 item count consistency ok 3938 node color must be red or black ok 3939 left tree order invariant ok 3940 right tree order invariant ok 3941 node color must be red or black ok 3942 left tree order invariant ok 3943 right tree order invariant ok 3944 node color must be red or black ok 3945 number of black nodes along all paths to root must be constant ok 3946 item count consistency ok 3947 node color must be red or black ok 3948 number of black nodes along all paths to root must be constant ok 3949 item count consistency ok 3950 number of black nodes along all paths to root must be constant ok 3951 item count consistency ok 3952 node color must be red or black ok 3953 left tree order invariant ok 3954 right tree order invariant ok 3955 node color must be red or black ok 3956 number of black nodes along all paths to root must be constant ok 3957 item count consistency ok 3958 node color must be red or black ok 3959 number of black nodes along all paths to root must be constant ok 3960 item count consistency ok 3961 number of black nodes along all paths to root must be constant ok 3962 item count consistency ok 3963 number of black nodes along all paths to root must be constant ok 3964 item count consistency ok 3965 number of black nodes along all paths to root must be constant ok 3966 item count consistency ok 3967 tree length ok 3968 root is black ok 3969 node color must be red or black ok 3970 left tree order invariant ok 3971 right tree order invariant ok 3972 children of red node must be black ok 3973 children of red node must be black ok 3974 left tree order invariant ok 3975 right tree order invariant ok 3976 node color must be red or black ok 3977 left tree order invariant ok 3978 right tree order invariant ok 3979 children of red node must be black ok 3980 children of red node must be black ok 3981 left tree order invariant ok 3982 right tree order invariant ok 3983 node color must be red or black ok 3984 left tree order invariant ok 3985 right tree order invariant ok 3986 node color must be red or black ok 3987 number of black nodes along all paths to root must be constant ok 3988 item count consistency ok 3989 node color must be red or black ok 3990 number of black nodes along all paths to root must be constant ok 3991 item count consistency ok 3992 number of black nodes along all paths to root must be constant ok 3993 item count consistency ok 3994 node color must be red or black ok 3995 left tree order invariant ok 3996 right tree order invariant ok 3997 node color must be red or black ok 3998 number of black nodes along all paths to root must be constant ok 3999 item count consistency ok 4000 children of red node must be black ok 4001 children of red node must be black ok 4002 left tree order invariant ok 4003 right tree order invariant ok 4004 node color must be red or black ok 4005 number of black nodes along all paths to root must be constant ok 4006 item count consistency ok 4007 node color must be red or black ok 4008 left tree order invariant ok 4009 children of red node must be black ok 4010 children of red node must be black ok 4011 number of black nodes along all paths to root must be constant ok 4012 item count consistency ok 4013 number of black nodes along all paths to root must be constant ok 4014 item count consistency ok 4015 number of black nodes along all paths to root must be constant ok 4016 item count consistency ok 4017 number of black nodes along all paths to root must be constant ok 4018 item count consistency ok 4019 number of black nodes along all paths to root must be constant ok 4020 item count consistency ok 4021 node color must be red or black ok 4022 left tree order invariant ok 4023 right tree order invariant ok 4024 node color must be red or black ok 4025 number of black nodes along all paths to root must be constant ok 4026 item count consistency ok 4027 node color must be red or black ok 4028 number of black nodes along all paths to root must be constant ok 4029 item count consistency ok 4030 number of black nodes along all paths to root must be constant ok 4031 item count consistency ok 4032 number of black nodes along all paths to root must be constant ok 4033 item count consistency ok 4034 node color must be red or black ok 4035 left tree order invariant ok 4036 right tree order invariant ok 4037 node color must be red or black ok 4038 left tree order invariant ok 4039 right tree order invariant ok 4040 node color must be red or black ok 4041 number of black nodes along all paths to root must be constant ok 4042 item count consistency ok 4043 node color must be red or black ok 4044 number of black nodes along all paths to root must be constant ok 4045 item count consistency ok 4046 number of black nodes along all paths to root must be constant ok 4047 item count consistency ok 4048 node color must be red or black ok 4049 left tree order invariant ok 4050 right tree order invariant ok 4051 node color must be red or black ok 4052 number of black nodes along all paths to root must be constant ok 4053 item count consistency ok 4054 node color must be red or black ok 4055 number of black nodes along all paths to root must be constant ok 4056 item count consistency ok 4057 number of black nodes along all paths to root must be constant ok 4058 item count consistency ok 4059 number of black nodes along all paths to root must be constant ok 4060 item count consistency ok 4061 number of black nodes along all paths to root must be constant ok 4062 item count consistency ok 4063 node color must be red or black ok 4064 left tree order invariant ok 4065 right tree order invariant ok 4066 node color must be red or black ok 4067 left tree order invariant ok 4068 right tree order invariant ok 4069 node color must be red or black ok 4070 number of black nodes along all paths to root must be constant ok 4071 item count consistency ok 4072 node color must be red or black ok 4073 number of black nodes along all paths to root must be constant ok 4074 item count consistency ok 4075 number of black nodes along all paths to root must be constant ok 4076 item count consistency ok 4077 node color must be red or black ok 4078 left tree order invariant ok 4079 right tree order invariant ok 4080 node color must be red or black ok 4081 number of black nodes along all paths to root must be constant ok 4082 item count consistency ok 4083 node color must be red or black ok 4084 number of black nodes along all paths to root must be constant ok 4085 item count consistency ok 4086 number of black nodes along all paths to root must be constant ok 4087 item count consistency ok 4088 number of black nodes along all paths to root must be constant ok 4089 item count consistency ok 4090 number of black nodes along all paths to root must be constant ok 4091 item count consistency ok 4092 tree length ok 4093 should be equal ok 4094 should be equal ok 4095 should be equal ok 4096 should be equal ok 4097 should be equal ok 4098 should be equal ok 4099 should be equal ok 4100 should be equal ok 4101 should be equal ok 4102 should be equal ok 4103 should be equal ok 4104 should be equal ok 4105 should be equal ok 4106 should be equal ok 4107 should be equal ok 4108 should be equal ok 4109 should be equal ok 4110 should be equal ok 4111 should be equal ok 4112 should be equal ok 4113 should be equal ok 4114 should be equal ok 4115 should be equal ok 4116 should be equal ok 4117 should be equal ok 4118 should be equal ok 4119 should be equal ok 4120 should be equal ok 4121 should be equal ok 4122 should be equal ok 4123 root is black ok 4124 node color must be red or black ok 4125 left tree order invariant ok 4126 right tree order invariant ok 4127 children of red node must be black ok 4128 children of red node must be black ok 4129 left tree order invariant ok 4130 right tree order invariant ok 4131 node color must be red or black ok 4132 left tree order invariant ok 4133 right tree order invariant ok 4134 children of red node must be black ok 4135 children of red node must be black ok 4136 left tree order invariant ok 4137 right tree order invariant ok 4138 node color must be red or black ok 4139 left tree order invariant ok 4140 right tree order invariant ok 4141 node color must be red or black ok 4142 number of black nodes along all paths to root must be constant ok 4143 item count consistency ok 4144 node color must be red or black ok 4145 number of black nodes along all paths to root must be constant ok 4146 item count consistency ok 4147 number of black nodes along all paths to root must be constant ok 4148 item count consistency ok 4149 node color must be red or black ok 4150 left tree order invariant ok 4151 right tree order invariant ok 4152 node color must be red or black ok 4153 number of black nodes along all paths to root must be constant ok 4154 item count consistency ok 4155 children of red node must be black ok 4156 children of red node must be black ok 4157 left tree order invariant ok 4158 right tree order invariant ok 4159 node color must be red or black ok 4160 number of black nodes along all paths to root must be constant ok 4161 item count consistency ok 4162 node color must be red or black ok 4163 left tree order invariant ok 4164 children of red node must be black ok 4165 children of red node must be black ok 4166 number of black nodes along all paths to root must be constant ok 4167 item count consistency ok 4168 number of black nodes along all paths to root must be constant ok 4169 item count consistency ok 4170 number of black nodes along all paths to root must be constant ok 4171 item count consistency ok 4172 number of black nodes along all paths to root must be constant ok 4173 item count consistency ok 4174 number of black nodes along all paths to root must be constant ok 4175 item count consistency ok 4176 node color must be red or black ok 4177 left tree order invariant ok 4178 right tree order invariant ok 4179 node color must be red or black ok 4180 number of black nodes along all paths to root must be constant ok 4181 item count consistency ok 4182 node color must be red or black ok 4183 number of black nodes along all paths to root must be constant ok 4184 item count consistency ok 4185 number of black nodes along all paths to root must be constant ok 4186 item count consistency ok 4187 number of black nodes along all paths to root must be constant ok 4188 item count consistency ok 4189 node color must be red or black ok 4190 left tree order invariant ok 4191 right tree order invariant ok 4192 node color must be red or black ok 4193 left tree order invariant ok 4194 right tree order invariant ok 4195 node color must be red or black ok 4196 number of black nodes along all paths to root must be constant ok 4197 item count consistency ok 4198 node color must be red or black ok 4199 number of black nodes along all paths to root must be constant ok 4200 item count consistency ok 4201 number of black nodes along all paths to root must be constant ok 4202 item count consistency ok 4203 node color must be red or black ok 4204 left tree order invariant ok 4205 right tree order invariant ok 4206 node color must be red or black ok 4207 number of black nodes along all paths to root must be constant ok 4208 item count consistency ok 4209 node color must be red or black ok 4210 number of black nodes along all paths to root must be constant ok 4211 item count consistency ok 4212 number of black nodes along all paths to root must be constant ok 4213 item count consistency ok 4214 number of black nodes along all paths to root must be constant ok 4215 item count consistency ok 4216 number of black nodes along all paths to root must be constant ok 4217 item count consistency ok 4218 node color must be red or black ok 4219 left tree order invariant ok 4220 right tree order invariant ok 4221 node color must be red or black ok 4222 left tree order invariant ok 4223 right tree order invariant ok 4224 node color must be red or black ok 4225 number of black nodes along all paths to root must be constant ok 4226 item count consistency ok 4227 node color must be red or black ok 4228 number of black nodes along all paths to root must be constant ok 4229 item count consistency ok 4230 number of black nodes along all paths to root must be constant ok 4231 item count consistency ok 4232 node color must be red or black ok 4233 left tree order invariant ok 4234 right tree order invariant ok 4235 node color must be red or black ok 4236 number of black nodes along all paths to root must be constant ok 4237 item count consistency ok 4238 node color must be red or black ok 4239 number of black nodes along all paths to root must be constant ok 4240 item count consistency ok 4241 number of black nodes along all paths to root must be constant ok 4242 item count consistency ok 4243 number of black nodes along all paths to root must be constant ok 4244 item count consistency ok 4245 number of black nodes along all paths to root must be constant ok 4246 item count consistency ok 4247 tree length ok 4248 root is black ok 4249 node color must be red or black ok 4250 left tree order invariant ok 4251 right tree order invariant ok 4252 children of red node must be black ok 4253 children of red node must be black ok 4254 left tree order invariant ok 4255 right tree order invariant ok 4256 node color must be red or black ok 4257 left tree order invariant ok 4258 right tree order invariant ok 4259 children of red node must be black ok 4260 children of red node must be black ok 4261 left tree order invariant ok 4262 right tree order invariant ok 4263 node color must be red or black ok 4264 left tree order invariant ok 4265 right tree order invariant ok 4266 node color must be red or black ok 4267 number of black nodes along all paths to root must be constant ok 4268 item count consistency ok 4269 node color must be red or black ok 4270 number of black nodes along all paths to root must be constant ok 4271 item count consistency ok 4272 number of black nodes along all paths to root must be constant ok 4273 item count consistency ok 4274 node color must be red or black ok 4275 left tree order invariant ok 4276 right tree order invariant ok 4277 node color must be red or black ok 4278 number of black nodes along all paths to root must be constant ok 4279 item count consistency ok 4280 children of red node must be black ok 4281 children of red node must be black ok 4282 left tree order invariant ok 4283 right tree order invariant ok 4284 node color must be red or black ok 4285 number of black nodes along all paths to root must be constant ok 4286 item count consistency ok 4287 node color must be red or black ok 4288 left tree order invariant ok 4289 right tree order invariant ok 4290 children of red node must be black ok 4291 children of red node must be black ok 4292 number of black nodes along all paths to root must be constant ok 4293 item count consistency ok 4294 children of red node must be black ok 4295 children of red node must be black ok 4296 number of black nodes along all paths to root must be constant ok 4297 item count consistency ok 4298 number of black nodes along all paths to root must be constant ok 4299 item count consistency ok 4300 number of black nodes along all paths to root must be constant ok 4301 item count consistency ok 4302 number of black nodes along all paths to root must be constant ok 4303 item count consistency ok 4304 number of black nodes along all paths to root must be constant ok 4305 item count consistency ok 4306 node color must be red or black ok 4307 left tree order invariant ok 4308 right tree order invariant ok 4309 node color must be red or black ok 4310 number of black nodes along all paths to root must be constant ok 4311 item count consistency ok 4312 node color must be red or black ok 4313 number of black nodes along all paths to root must be constant ok 4314 item count consistency ok 4315 number of black nodes along all paths to root must be constant ok 4316 item count consistency ok 4317 number of black nodes along all paths to root must be constant ok 4318 item count consistency ok 4319 node color must be red or black ok 4320 left tree order invariant ok 4321 right tree order invariant ok 4322 node color must be red or black ok 4323 left tree order invariant ok 4324 right tree order invariant ok 4325 node color must be red or black ok 4326 number of black nodes along all paths to root must be constant ok 4327 item count consistency ok 4328 node color must be red or black ok 4329 number of black nodes along all paths to root must be constant ok 4330 item count consistency ok 4331 number of black nodes along all paths to root must be constant ok 4332 item count consistency ok 4333 node color must be red or black ok 4334 left tree order invariant ok 4335 right tree order invariant ok 4336 node color must be red or black ok 4337 number of black nodes along all paths to root must be constant ok 4338 item count consistency ok 4339 node color must be red or black ok 4340 number of black nodes along all paths to root must be constant ok 4341 item count consistency ok 4342 number of black nodes along all paths to root must be constant ok 4343 item count consistency ok 4344 number of black nodes along all paths to root must be constant ok 4345 item count consistency ok 4346 number of black nodes along all paths to root must be constant ok 4347 item count consistency ok 4348 node color must be red or black ok 4349 left tree order invariant ok 4350 right tree order invariant ok 4351 node color must be red or black ok 4352 left tree order invariant ok 4353 right tree order invariant ok 4354 node color must be red or black ok 4355 number of black nodes along all paths to root must be constant ok 4356 item count consistency ok 4357 node color must be red or black ok 4358 number of black nodes along all paths to root must be constant ok 4359 item count consistency ok 4360 number of black nodes along all paths to root must be constant ok 4361 item count consistency ok 4362 node color must be red or black ok 4363 left tree order invariant ok 4364 right tree order invariant ok 4365 node color must be red or black ok 4366 number of black nodes along all paths to root must be constant ok 4367 item count consistency ok 4368 node color must be red or black ok 4369 number of black nodes along all paths to root must be constant ok 4370 item count consistency ok 4371 number of black nodes along all paths to root must be constant ok 4372 item count consistency ok 4373 number of black nodes along all paths to root must be constant ok 4374 item count consistency ok 4375 number of black nodes along all paths to root must be constant ok 4376 item count consistency ok 4377 tree length ok 4378 should be equal ok 4379 should be equal ok 4380 should be equal ok 4381 should be equal ok 4382 should be equal ok 4383 should be equal ok 4384 should be equal ok 4385 should be equal ok 4386 should be equal ok 4387 should be equal ok 4388 should be equal ok 4389 should be equal ok 4390 should be equal ok 4391 should be equal ok 4392 should be equal ok 4393 should be equal ok 4394 should be equal ok 4395 should be equal ok 4396 should be equal ok 4397 should be equal ok 4398 should be equal ok 4399 should be equal ok 4400 should be equal ok 4401 should be equal ok 4402 should be equal ok 4403 should be equal ok 4404 should be equal ok 4405 should be equal ok 4406 should be equal ok 4407 should be equal ok 4408 should be equal ok 4409 root is black ok 4410 node color must be red or black ok 4411 left tree order invariant ok 4412 right tree order invariant ok 4413 children of red node must be black ok 4414 children of red node must be black ok 4415 left tree order invariant ok 4416 right tree order invariant ok 4417 node color must be red or black ok 4418 left tree order invariant ok 4419 right tree order invariant ok 4420 children of red node must be black ok 4421 children of red node must be black ok 4422 left tree order invariant ok 4423 right tree order invariant ok 4424 node color must be red or black ok 4425 left tree order invariant ok 4426 right tree order invariant ok 4427 node color must be red or black ok 4428 number of black nodes along all paths to root must be constant ok 4429 item count consistency ok 4430 node color must be red or black ok 4431 number of black nodes along all paths to root must be constant ok 4432 item count consistency ok 4433 number of black nodes along all paths to root must be constant ok 4434 item count consistency ok 4435 node color must be red or black ok 4436 left tree order invariant ok 4437 right tree order invariant ok 4438 node color must be red or black ok 4439 number of black nodes along all paths to root must be constant ok 4440 item count consistency ok 4441 children of red node must be black ok 4442 children of red node must be black ok 4443 left tree order invariant ok 4444 right tree order invariant ok 4445 node color must be red or black ok 4446 number of black nodes along all paths to root must be constant ok 4447 item count consistency ok 4448 node color must be red or black ok 4449 left tree order invariant ok 4450 right tree order invariant ok 4451 children of red node must be black ok 4452 children of red node must be black ok 4453 number of black nodes along all paths to root must be constant ok 4454 item count consistency ok 4455 children of red node must be black ok 4456 children of red node must be black ok 4457 number of black nodes along all paths to root must be constant ok 4458 item count consistency ok 4459 number of black nodes along all paths to root must be constant ok 4460 item count consistency ok 4461 number of black nodes along all paths to root must be constant ok 4462 item count consistency ok 4463 number of black nodes along all paths to root must be constant ok 4464 item count consistency ok 4465 number of black nodes along all paths to root must be constant ok 4466 item count consistency ok 4467 node color must be red or black ok 4468 left tree order invariant ok 4469 right tree order invariant ok 4470 node color must be red or black ok 4471 number of black nodes along all paths to root must be constant ok 4472 item count consistency ok 4473 node color must be red or black ok 4474 number of black nodes along all paths to root must be constant ok 4475 item count consistency ok 4476 number of black nodes along all paths to root must be constant ok 4477 item count consistency ok 4478 number of black nodes along all paths to root must be constant ok 4479 item count consistency ok 4480 node color must be red or black ok 4481 left tree order invariant ok 4482 right tree order invariant ok 4483 node color must be red or black ok 4484 left tree order invariant ok 4485 right tree order invariant ok 4486 node color must be red or black ok 4487 number of black nodes along all paths to root must be constant ok 4488 item count consistency ok 4489 node color must be red or black ok 4490 number of black nodes along all paths to root must be constant ok 4491 item count consistency ok 4492 number of black nodes along all paths to root must be constant ok 4493 item count consistency ok 4494 node color must be red or black ok 4495 left tree order invariant ok 4496 right tree order invariant ok 4497 node color must be red or black ok 4498 number of black nodes along all paths to root must be constant ok 4499 item count consistency ok 4500 node color must be red or black ok 4501 number of black nodes along all paths to root must be constant ok 4502 item count consistency ok 4503 number of black nodes along all paths to root must be constant ok 4504 item count consistency ok 4505 number of black nodes along all paths to root must be constant ok 4506 item count consistency ok 4507 number of black nodes along all paths to root must be constant ok 4508 item count consistency ok 4509 node color must be red or black ok 4510 left tree order invariant ok 4511 right tree order invariant ok 4512 node color must be red or black ok 4513 left tree order invariant ok 4514 right tree order invariant ok 4515 node color must be red or black ok 4516 number of black nodes along all paths to root must be constant ok 4517 item count consistency ok 4518 node color must be red or black ok 4519 number of black nodes along all paths to root must be constant ok 4520 item count consistency ok 4521 number of black nodes along all paths to root must be constant ok 4522 item count consistency ok 4523 node color must be red or black ok 4524 left tree order invariant ok 4525 right tree order invariant ok 4526 node color must be red or black ok 4527 number of black nodes along all paths to root must be constant ok 4528 item count consistency ok 4529 node color must be red or black ok 4530 number of black nodes along all paths to root must be constant ok 4531 item count consistency ok 4532 number of black nodes along all paths to root must be constant ok 4533 item count consistency ok 4534 number of black nodes along all paths to root must be constant ok 4535 item count consistency ok 4536 number of black nodes along all paths to root must be constant ok 4537 item count consistency ok 4538 tree length ok 4539 root is black ok 4540 node color must be red or black ok 4541 left tree order invariant ok 4542 right tree order invariant ok 4543 children of red node must be black ok 4544 children of red node must be black ok 4545 left tree order invariant ok 4546 right tree order invariant ok 4547 node color must be red or black ok 4548 left tree order invariant ok 4549 right tree order invariant ok 4550 children of red node must be black ok 4551 children of red node must be black ok 4552 left tree order invariant ok 4553 right tree order invariant ok 4554 node color must be red or black ok 4555 left tree order invariant ok 4556 right tree order invariant ok 4557 node color must be red or black ok 4558 number of black nodes along all paths to root must be constant ok 4559 item count consistency ok 4560 node color must be red or black ok 4561 number of black nodes along all paths to root must be constant ok 4562 item count consistency ok 4563 number of black nodes along all paths to root must be constant ok 4564 item count consistency ok 4565 node color must be red or black ok 4566 left tree order invariant ok 4567 right tree order invariant ok 4568 children of red node must be black ok 4569 children of red node must be black ok 4570 left tree order invariant ok 4571 right tree order invariant ok 4572 node color must be red or black ok 4573 number of black nodes along all paths to root must be constant ok 4574 item count consistency ok 4575 node color must be red or black ok 4576 number of black nodes along all paths to root must be constant ok 4577 item count consistency ok 4578 number of black nodes along all paths to root must be constant ok 4579 item count consistency ok 4580 children of red node must be black ok 4581 children of red node must be black ok 4582 left tree order invariant ok 4583 right tree order invariant ok 4584 node color must be red or black ok 4585 number of black nodes along all paths to root must be constant ok 4586 item count consistency ok 4587 node color must be red or black ok 4588 left tree order invariant ok 4589 children of red node must be black ok 4590 children of red node must be black ok 4591 number of black nodes along all paths to root must be constant ok 4592 item count consistency ok 4593 number of black nodes along all paths to root must be constant ok 4594 item count consistency ok 4595 number of black nodes along all paths to root must be constant ok 4596 item count consistency ok 4597 number of black nodes along all paths to root must be constant ok 4598 item count consistency ok 4599 number of black nodes along all paths to root must be constant ok 4600 item count consistency ok 4601 node color must be red or black ok 4602 left tree order invariant ok 4603 right tree order invariant ok 4604 node color must be red or black ok 4605 number of black nodes along all paths to root must be constant ok 4606 item count consistency ok 4607 node color must be red or black ok 4608 number of black nodes along all paths to root must be constant ok 4609 item count consistency ok 4610 number of black nodes along all paths to root must be constant ok 4611 item count consistency ok 4612 number of black nodes along all paths to root must be constant ok 4613 item count consistency ok 4614 node color must be red or black ok 4615 left tree order invariant ok 4616 right tree order invariant ok 4617 node color must be red or black ok 4618 left tree order invariant ok 4619 right tree order invariant ok 4620 node color must be red or black ok 4621 number of black nodes along all paths to root must be constant ok 4622 item count consistency ok 4623 node color must be red or black ok 4624 number of black nodes along all paths to root must be constant ok 4625 item count consistency ok 4626 number of black nodes along all paths to root must be constant ok 4627 item count consistency ok 4628 node color must be red or black ok 4629 left tree order invariant ok 4630 right tree order invariant ok 4631 node color must be red or black ok 4632 number of black nodes along all paths to root must be constant ok 4633 item count consistency ok 4634 node color must be red or black ok 4635 number of black nodes along all paths to root must be constant ok 4636 item count consistency ok 4637 number of black nodes along all paths to root must be constant ok 4638 item count consistency ok 4639 number of black nodes along all paths to root must be constant ok 4640 item count consistency ok 4641 number of black nodes along all paths to root must be constant ok 4642 item count consistency ok 4643 node color must be red or black ok 4644 left tree order invariant ok 4645 right tree order invariant ok 4646 node color must be red or black ok 4647 left tree order invariant ok 4648 right tree order invariant ok 4649 node color must be red or black ok 4650 number of black nodes along all paths to root must be constant ok 4651 item count consistency ok 4652 node color must be red or black ok 4653 number of black nodes along all paths to root must be constant ok 4654 item count consistency ok 4655 number of black nodes along all paths to root must be constant ok 4656 item count consistency ok 4657 node color must be red or black ok 4658 left tree order invariant ok 4659 right tree order invariant ok 4660 node color must be red or black ok 4661 number of black nodes along all paths to root must be constant ok 4662 item count consistency ok 4663 node color must be red or black ok 4664 number of black nodes along all paths to root must be constant ok 4665 item count consistency ok 4666 number of black nodes along all paths to root must be constant ok 4667 item count consistency ok 4668 number of black nodes along all paths to root must be constant ok 4669 item count consistency ok 4670 number of black nodes along all paths to root must be constant ok 4671 item count consistency ok 4672 tree length ok 4673 should be equal ok 4674 should be equal ok 4675 should be equal ok 4676 should be equal ok 4677 should be equal ok 4678 should be equal ok 4679 should be equal ok 4680 should be equal ok 4681 should be equal ok 4682 should be equal ok 4683 should be equal ok 4684 should be equal ok 4685 should be equal ok 4686 should be equal ok 4687 should be equal ok 4688 should be equal ok 4689 should be equal ok 4690 should be equal ok 4691 should be equal ok 4692 should be equal ok 4693 should be equal ok 4694 should be equal ok 4695 should be equal ok 4696 should be equal ok 4697 should be equal ok 4698 should be equal ok 4699 should be equal ok 4700 should be equal ok 4701 should be equal ok 4702 should be equal ok 4703 should be equal ok 4704 should be equal ok 4705 root is black ok 4706 node color must be red or black ok 4707 left tree order invariant ok 4708 right tree order invariant ok 4709 children of red node must be black ok 4710 children of red node must be black ok 4711 left tree order invariant ok 4712 right tree order invariant ok 4713 node color must be red or black ok 4714 left tree order invariant ok 4715 right tree order invariant ok 4716 children of red node must be black ok 4717 children of red node must be black ok 4718 left tree order invariant ok 4719 right tree order invariant ok 4720 node color must be red or black ok 4721 left tree order invariant ok 4722 right tree order invariant ok 4723 node color must be red or black ok 4724 number of black nodes along all paths to root must be constant ok 4725 item count consistency ok 4726 node color must be red or black ok 4727 number of black nodes along all paths to root must be constant ok 4728 item count consistency ok 4729 number of black nodes along all paths to root must be constant ok 4730 item count consistency ok 4731 node color must be red or black ok 4732 left tree order invariant ok 4733 right tree order invariant ok 4734 children of red node must be black ok 4735 children of red node must be black ok 4736 left tree order invariant ok 4737 right tree order invariant ok 4738 node color must be red or black ok 4739 number of black nodes along all paths to root must be constant ok 4740 item count consistency ok 4741 node color must be red or black ok 4742 number of black nodes along all paths to root must be constant ok 4743 item count consistency ok 4744 number of black nodes along all paths to root must be constant ok 4745 item count consistency ok 4746 children of red node must be black ok 4747 children of red node must be black ok 4748 left tree order invariant ok 4749 right tree order invariant ok 4750 node color must be red or black ok 4751 number of black nodes along all paths to root must be constant ok 4752 item count consistency ok 4753 node color must be red or black ok 4754 left tree order invariant ok 4755 children of red node must be black ok 4756 children of red node must be black ok 4757 number of black nodes along all paths to root must be constant ok 4758 item count consistency ok 4759 number of black nodes along all paths to root must be constant ok 4760 item count consistency ok 4761 number of black nodes along all paths to root must be constant ok 4762 item count consistency ok 4763 number of black nodes along all paths to root must be constant ok 4764 item count consistency ok 4765 number of black nodes along all paths to root must be constant ok 4766 item count consistency ok 4767 node color must be red or black ok 4768 left tree order invariant ok 4769 right tree order invariant ok 4770 node color must be red or black ok 4771 number of black nodes along all paths to root must be constant ok 4772 item count consistency ok 4773 node color must be red or black ok 4774 number of black nodes along all paths to root must be constant ok 4775 item count consistency ok 4776 number of black nodes along all paths to root must be constant ok 4777 item count consistency ok 4778 number of black nodes along all paths to root must be constant ok 4779 item count consistency ok 4780 node color must be red or black ok 4781 left tree order invariant ok 4782 right tree order invariant ok 4783 node color must be red or black ok 4784 left tree order invariant ok 4785 right tree order invariant ok 4786 node color must be red or black ok 4787 number of black nodes along all paths to root must be constant ok 4788 item count consistency ok 4789 node color must be red or black ok 4790 number of black nodes along all paths to root must be constant ok 4791 item count consistency ok 4792 number of black nodes along all paths to root must be constant ok 4793 item count consistency ok 4794 node color must be red or black ok 4795 left tree order invariant ok 4796 right tree order invariant ok 4797 node color must be red or black ok 4798 number of black nodes along all paths to root must be constant ok 4799 item count consistency ok 4800 node color must be red or black ok 4801 number of black nodes along all paths to root must be constant ok 4802 item count consistency ok 4803 number of black nodes along all paths to root must be constant ok 4804 item count consistency ok 4805 number of black nodes along all paths to root must be constant ok 4806 item count consistency ok 4807 number of black nodes along all paths to root must be constant ok 4808 item count consistency ok 4809 node color must be red or black ok 4810 left tree order invariant ok 4811 right tree order invariant ok 4812 node color must be red or black ok 4813 left tree order invariant ok 4814 right tree order invariant ok 4815 node color must be red or black ok 4816 number of black nodes along all paths to root must be constant ok 4817 item count consistency ok 4818 node color must be red or black ok 4819 number of black nodes along all paths to root must be constant ok 4820 item count consistency ok 4821 number of black nodes along all paths to root must be constant ok 4822 item count consistency ok 4823 node color must be red or black ok 4824 left tree order invariant ok 4825 right tree order invariant ok 4826 node color must be red or black ok 4827 number of black nodes along all paths to root must be constant ok 4828 item count consistency ok 4829 node color must be red or black ok 4830 number of black nodes along all paths to root must be constant ok 4831 item count consistency ok 4832 number of black nodes along all paths to root must be constant ok 4833 item count consistency ok 4834 number of black nodes along all paths to root must be constant ok 4835 item count consistency ok 4836 number of black nodes along all paths to root must be constant ok 4837 item count consistency ok 4838 tree length ok 4839 root is black ok 4840 node color must be red or black ok 4841 left tree order invariant ok 4842 right tree order invariant ok 4843 children of red node must be black ok 4844 children of red node must be black ok 4845 left tree order invariant ok 4846 right tree order invariant ok 4847 node color must be red or black ok 4848 left tree order invariant ok 4849 right tree order invariant ok 4850 children of red node must be black ok 4851 children of red node must be black ok 4852 left tree order invariant ok 4853 right tree order invariant ok 4854 node color must be red or black ok 4855 left tree order invariant ok 4856 right tree order invariant ok 4857 node color must be red or black ok 4858 number of black nodes along all paths to root must be constant ok 4859 item count consistency ok 4860 node color must be red or black ok 4861 number of black nodes along all paths to root must be constant ok 4862 item count consistency ok 4863 number of black nodes along all paths to root must be constant ok 4864 item count consistency ok 4865 node color must be red or black ok 4866 left tree order invariant ok 4867 right tree order invariant ok 4868 children of red node must be black ok 4869 children of red node must be black ok 4870 left tree order invariant ok 4871 right tree order invariant ok 4872 node color must be red or black ok 4873 number of black nodes along all paths to root must be constant ok 4874 item count consistency ok 4875 node color must be red or black ok 4876 number of black nodes along all paths to root must be constant ok 4877 item count consistency ok 4878 number of black nodes along all paths to root must be constant ok 4879 item count consistency ok 4880 children of red node must be black ok 4881 children of red node must be black ok 4882 left tree order invariant ok 4883 right tree order invariant ok 4884 node color must be red or black ok 4885 number of black nodes along all paths to root must be constant ok 4886 item count consistency ok 4887 node color must be red or black ok 4888 left tree order invariant ok 4889 right tree order invariant ok 4890 children of red node must be black ok 4891 children of red node must be black ok 4892 number of black nodes along all paths to root must be constant ok 4893 item count consistency ok 4894 children of red node must be black ok 4895 children of red node must be black ok 4896 number of black nodes along all paths to root must be constant ok 4897 item count consistency ok 4898 number of black nodes along all paths to root must be constant ok 4899 item count consistency ok 4900 number of black nodes along all paths to root must be constant ok 4901 item count consistency ok 4902 number of black nodes along all paths to root must be constant ok 4903 item count consistency ok 4904 number of black nodes along all paths to root must be constant ok 4905 item count consistency ok 4906 node color must be red or black ok 4907 left tree order invariant ok 4908 right tree order invariant ok 4909 node color must be red or black ok 4910 number of black nodes along all paths to root must be constant ok 4911 item count consistency ok 4912 node color must be red or black ok 4913 number of black nodes along all paths to root must be constant ok 4914 item count consistency ok 4915 number of black nodes along all paths to root must be constant ok 4916 item count consistency ok 4917 number of black nodes along all paths to root must be constant ok 4918 item count consistency ok 4919 node color must be red or black ok 4920 left tree order invariant ok 4921 right tree order invariant ok 4922 node color must be red or black ok 4923 left tree order invariant ok 4924 right tree order invariant ok 4925 node color must be red or black ok 4926 number of black nodes along all paths to root must be constant ok 4927 item count consistency ok 4928 node color must be red or black ok 4929 number of black nodes along all paths to root must be constant ok 4930 item count consistency ok 4931 number of black nodes along all paths to root must be constant ok 4932 item count consistency ok 4933 node color must be red or black ok 4934 left tree order invariant ok 4935 right tree order invariant ok 4936 node color must be red or black ok 4937 number of black nodes along all paths to root must be constant ok 4938 item count consistency ok 4939 node color must be red or black ok 4940 number of black nodes along all paths to root must be constant ok 4941 item count consistency ok 4942 number of black nodes along all paths to root must be constant ok 4943 item count consistency ok 4944 number of black nodes along all paths to root must be constant ok 4945 item count consistency ok 4946 number of black nodes along all paths to root must be constant ok 4947 item count consistency ok 4948 node color must be red or black ok 4949 left tree order invariant ok 4950 right tree order invariant ok 4951 node color must be red or black ok 4952 left tree order invariant ok 4953 right tree order invariant ok 4954 node color must be red or black ok 4955 number of black nodes along all paths to root must be constant ok 4956 item count consistency ok 4957 node color must be red or black ok 4958 number of black nodes along all paths to root must be constant ok 4959 item count consistency ok 4960 number of black nodes along all paths to root must be constant ok 4961 item count consistency ok 4962 node color must be red or black ok 4963 left tree order invariant ok 4964 right tree order invariant ok 4965 node color must be red or black ok 4966 number of black nodes along all paths to root must be constant ok 4967 item count consistency ok 4968 node color must be red or black ok 4969 number of black nodes along all paths to root must be constant ok 4970 item count consistency ok 4971 number of black nodes along all paths to root must be constant ok 4972 item count consistency ok 4973 number of black nodes along all paths to root must be constant ok 4974 item count consistency ok 4975 number of black nodes along all paths to root must be constant ok 4976 item count consistency ok 4977 tree length ok 4978 should be equal ok 4979 should be equal ok 4980 should be equal ok 4981 should be equal ok 4982 should be equal ok 4983 should be equal ok 4984 should be equal ok 4985 should be equal ok 4986 should be equal ok 4987 should be equal ok 4988 should be equal ok 4989 should be equal ok 4990 should be equal ok 4991 should be equal ok 4992 should be equal ok 4993 should be equal ok 4994 should be equal ok 4995 should be equal ok 4996 should be equal ok 4997 should be equal ok 4998 should be equal ok 4999 should be equal ok 5000 should be equal ok 5001 should be equal ok 5002 should be equal ok 5003 should be equal ok 5004 should be equal ok 5005 should be equal ok 5006 should be equal ok 5007 should be equal ok 5008 should be equal ok 5009 should be equal ok 5010 should be equal ok 5011 root is black ok 5012 node color must be red or black ok 5013 left tree order invariant ok 5014 right tree order invariant ok 5015 children of red node must be black ok 5016 children of red node must be black ok 5017 left tree order invariant ok 5018 right tree order invariant ok 5019 node color must be red or black ok 5020 left tree order invariant ok 5021 right tree order invariant ok 5022 children of red node must be black ok 5023 children of red node must be black ok 5024 left tree order invariant ok 5025 right tree order invariant ok 5026 node color must be red or black ok 5027 left tree order invariant ok 5028 right tree order invariant ok 5029 node color must be red or black ok 5030 number of black nodes along all paths to root must be constant ok 5031 item count consistency ok 5032 node color must be red or black ok 5033 number of black nodes along all paths to root must be constant ok 5034 item count consistency ok 5035 number of black nodes along all paths to root must be constant ok 5036 item count consistency ok 5037 node color must be red or black ok 5038 left tree order invariant ok 5039 right tree order invariant ok 5040 children of red node must be black ok 5041 children of red node must be black ok 5042 left tree order invariant ok 5043 right tree order invariant ok 5044 node color must be red or black ok 5045 number of black nodes along all paths to root must be constant ok 5046 item count consistency ok 5047 node color must be red or black ok 5048 number of black nodes along all paths to root must be constant ok 5049 item count consistency ok 5050 number of black nodes along all paths to root must be constant ok 5051 item count consistency ok 5052 children of red node must be black ok 5053 children of red node must be black ok 5054 left tree order invariant ok 5055 right tree order invariant ok 5056 node color must be red or black ok 5057 number of black nodes along all paths to root must be constant ok 5058 item count consistency ok 5059 node color must be red or black ok 5060 left tree order invariant ok 5061 right tree order invariant ok 5062 children of red node must be black ok 5063 children of red node must be black ok 5064 number of black nodes along all paths to root must be constant ok 5065 item count consistency ok 5066 children of red node must be black ok 5067 children of red node must be black ok 5068 number of black nodes along all paths to root must be constant ok 5069 item count consistency ok 5070 number of black nodes along all paths to root must be constant ok 5071 item count consistency ok 5072 number of black nodes along all paths to root must be constant ok 5073 item count consistency ok 5074 number of black nodes along all paths to root must be constant ok 5075 item count consistency ok 5076 number of black nodes along all paths to root must be constant ok 5077 item count consistency ok 5078 node color must be red or black ok 5079 left tree order invariant ok 5080 right tree order invariant ok 5081 node color must be red or black ok 5082 number of black nodes along all paths to root must be constant ok 5083 item count consistency ok 5084 node color must be red or black ok 5085 number of black nodes along all paths to root must be constant ok 5086 item count consistency ok 5087 number of black nodes along all paths to root must be constant ok 5088 item count consistency ok 5089 number of black nodes along all paths to root must be constant ok 5090 item count consistency ok 5091 node color must be red or black ok 5092 left tree order invariant ok 5093 right tree order invariant ok 5094 node color must be red or black ok 5095 left tree order invariant ok 5096 right tree order invariant ok 5097 node color must be red or black ok 5098 number of black nodes along all paths to root must be constant ok 5099 item count consistency ok 5100 node color must be red or black ok 5101 number of black nodes along all paths to root must be constant ok 5102 item count consistency ok 5103 number of black nodes along all paths to root must be constant ok 5104 item count consistency ok 5105 node color must be red or black ok 5106 left tree order invariant ok 5107 right tree order invariant ok 5108 node color must be red or black ok 5109 number of black nodes along all paths to root must be constant ok 5110 item count consistency ok 5111 node color must be red or black ok 5112 number of black nodes along all paths to root must be constant ok 5113 item count consistency ok 5114 number of black nodes along all paths to root must be constant ok 5115 item count consistency ok 5116 number of black nodes along all paths to root must be constant ok 5117 item count consistency ok 5118 number of black nodes along all paths to root must be constant ok 5119 item count consistency ok 5120 node color must be red or black ok 5121 left tree order invariant ok 5122 right tree order invariant ok 5123 node color must be red or black ok 5124 left tree order invariant ok 5125 right tree order invariant ok 5126 node color must be red or black ok 5127 number of black nodes along all paths to root must be constant ok 5128 item count consistency ok 5129 node color must be red or black ok 5130 number of black nodes along all paths to root must be constant ok 5131 item count consistency ok 5132 number of black nodes along all paths to root must be constant ok 5133 item count consistency ok 5134 node color must be red or black ok 5135 left tree order invariant ok 5136 right tree order invariant ok 5137 node color must be red or black ok 5138 number of black nodes along all paths to root must be constant ok 5139 item count consistency ok 5140 node color must be red or black ok 5141 number of black nodes along all paths to root must be constant ok 5142 item count consistency ok 5143 number of black nodes along all paths to root must be constant ok 5144 item count consistency ok 5145 number of black nodes along all paths to root must be constant ok 5146 item count consistency ok 5147 number of black nodes along all paths to root must be constant ok 5148 item count consistency ok 5149 tree length ok 5150 root is black ok 5151 node color must be red or black ok 5152 left tree order invariant ok 5153 right tree order invariant ok 5154 children of red node must be black ok 5155 children of red node must be black ok 5156 left tree order invariant ok 5157 right tree order invariant ok 5158 node color must be red or black ok 5159 left tree order invariant ok 5160 right tree order invariant ok 5161 children of red node must be black ok 5162 children of red node must be black ok 5163 left tree order invariant ok 5164 right tree order invariant ok 5165 node color must be red or black ok 5166 left tree order invariant ok 5167 right tree order invariant ok 5168 node color must be red or black ok 5169 number of black nodes along all paths to root must be constant ok 5170 item count consistency ok 5171 node color must be red or black ok 5172 number of black nodes along all paths to root must be constant ok 5173 item count consistency ok 5174 number of black nodes along all paths to root must be constant ok 5175 item count consistency ok 5176 node color must be red or black ok 5177 left tree order invariant ok 5178 right tree order invariant ok 5179 node color must be red or black ok 5180 number of black nodes along all paths to root must be constant ok 5181 item count consistency ok 5182 node color must be red or black ok 5183 number of black nodes along all paths to root must be constant ok 5184 item count consistency ok 5185 number of black nodes along all paths to root must be constant ok 5186 item count consistency ok 5187 number of black nodes along all paths to root must be constant ok 5188 item count consistency ok 5189 children of red node must be black ok 5190 children of red node must be black ok 5191 left tree order invariant ok 5192 right tree order invariant ok 5193 node color must be red or black ok 5194 left tree order invariant ok 5195 right tree order invariant ok 5196 node color must be red or black ok 5197 number of black nodes along all paths to root must be constant ok 5198 item count consistency ok 5199 children of red node must be black ok 5200 children of red node must be black ok 5201 left tree order invariant ok 5202 right tree order invariant ok 5203 node color must be red or black ok 5204 number of black nodes along all paths to root must be constant ok 5205 item count consistency ok 5206 node color must be red or black ok 5207 left tree order invariant ok 5208 children of red node must be black ok 5209 children of red node must be black ok 5210 number of black nodes along all paths to root must be constant ok 5211 item count consistency ok 5212 number of black nodes along all paths to root must be constant ok 5213 item count consistency ok 5214 number of black nodes along all paths to root must be constant ok 5215 item count consistency ok 5216 number of black nodes along all paths to root must be constant ok 5217 item count consistency ok 5218 node color must be red or black ok 5219 left tree order invariant ok 5220 right tree order invariant ok 5221 node color must be red or black ok 5222 number of black nodes along all paths to root must be constant ok 5223 item count consistency ok 5224 node color must be red or black ok 5225 number of black nodes along all paths to root must be constant ok 5226 item count consistency ok 5227 number of black nodes along all paths to root must be constant ok 5228 item count consistency ok 5229 number of black nodes along all paths to root must be constant ok 5230 item count consistency ok 5231 number of black nodes along all paths to root must be constant ok 5232 item count consistency ok 5233 node color must be red or black ok 5234 left tree order invariant ok 5235 right tree order invariant ok 5236 node color must be red or black ok 5237 left tree order invariant ok 5238 right tree order invariant ok 5239 node color must be red or black ok 5240 number of black nodes along all paths to root must be constant ok 5241 item count consistency ok 5242 node color must be red or black ok 5243 number of black nodes along all paths to root must be constant ok 5244 item count consistency ok 5245 number of black nodes along all paths to root must be constant ok 5246 item count consistency ok 5247 node color must be red or black ok 5248 left tree order invariant ok 5249 right tree order invariant ok 5250 node color must be red or black ok 5251 number of black nodes along all paths to root must be constant ok 5252 item count consistency ok 5253 node color must be red or black ok 5254 number of black nodes along all paths to root must be constant ok 5255 item count consistency ok 5256 number of black nodes along all paths to root must be constant ok 5257 item count consistency ok 5258 number of black nodes along all paths to root must be constant ok 5259 item count consistency ok 5260 number of black nodes along all paths to root must be constant ok 5261 item count consistency ok 5262 node color must be red or black ok 5263 left tree order invariant ok 5264 right tree order invariant ok 5265 node color must be red or black ok 5266 left tree order invariant ok 5267 right tree order invariant ok 5268 node color must be red or black ok 5269 number of black nodes along all paths to root must be constant ok 5270 item count consistency ok 5271 node color must be red or black ok 5272 number of black nodes along all paths to root must be constant ok 5273 item count consistency ok 5274 number of black nodes along all paths to root must be constant ok 5275 item count consistency ok 5276 node color must be red or black ok 5277 left tree order invariant ok 5278 right tree order invariant ok 5279 node color must be red or black ok 5280 number of black nodes along all paths to root must be constant ok 5281 item count consistency ok 5282 node color must be red or black ok 5283 number of black nodes along all paths to root must be constant ok 5284 item count consistency ok 5285 number of black nodes along all paths to root must be constant ok 5286 item count consistency ok 5287 number of black nodes along all paths to root must be constant ok 5288 item count consistency ok 5289 number of black nodes along all paths to root must be constant ok 5290 item count consistency ok 5291 tree length ok 5292 should be equal ok 5293 should be equal ok 5294 should be equal ok 5295 should be equal ok 5296 should be equal ok 5297 should be equal ok 5298 should be equal ok 5299 should be equal ok 5300 should be equal ok 5301 should be equal ok 5302 should be equal ok 5303 should be equal ok 5304 should be equal ok 5305 should be equal ok 5306 should be equal ok 5307 should be equal ok 5308 should be equal ok 5309 should be equal ok 5310 should be equal ok 5311 should be equal ok 5312 should be equal ok 5313 should be equal ok 5314 should be equal ok 5315 should be equal ok 5316 should be equal ok 5317 should be equal ok 5318 should be equal ok 5319 should be equal ok 5320 should be equal ok 5321 should be equal ok 5322 should be equal ok 5323 should be equal ok 5324 should be equal ok 5325 should be equal ok 5326 root is black ok 5327 node color must be red or black ok 5328 left tree order invariant ok 5329 right tree order invariant ok 5330 children of red node must be black ok 5331 children of red node must be black ok 5332 left tree order invariant ok 5333 right tree order invariant ok 5334 node color must be red or black ok 5335 left tree order invariant ok 5336 right tree order invariant ok 5337 children of red node must be black ok 5338 children of red node must be black ok 5339 left tree order invariant ok 5340 right tree order invariant ok 5341 node color must be red or black ok 5342 left tree order invariant ok 5343 right tree order invariant ok 5344 node color must be red or black ok 5345 number of black nodes along all paths to root must be constant ok 5346 item count consistency ok 5347 node color must be red or black ok 5348 number of black nodes along all paths to root must be constant ok 5349 item count consistency ok 5350 number of black nodes along all paths to root must be constant ok 5351 item count consistency ok 5352 node color must be red or black ok 5353 left tree order invariant ok 5354 right tree order invariant ok 5355 node color must be red or black ok 5356 number of black nodes along all paths to root must be constant ok 5357 item count consistency ok 5358 node color must be red or black ok 5359 number of black nodes along all paths to root must be constant ok 5360 item count consistency ok 5361 number of black nodes along all paths to root must be constant ok 5362 item count consistency ok 5363 number of black nodes along all paths to root must be constant ok 5364 item count consistency ok 5365 children of red node must be black ok 5366 children of red node must be black ok 5367 left tree order invariant ok 5368 right tree order invariant ok 5369 node color must be red or black ok 5370 left tree order invariant ok 5371 right tree order invariant ok 5372 node color must be red or black ok 5373 number of black nodes along all paths to root must be constant ok 5374 item count consistency ok 5375 children of red node must be black ok 5376 children of red node must be black ok 5377 left tree order invariant ok 5378 right tree order invariant ok 5379 node color must be red or black ok 5380 number of black nodes along all paths to root must be constant ok 5381 item count consistency ok 5382 node color must be red or black ok 5383 left tree order invariant ok 5384 children of red node must be black ok 5385 children of red node must be black ok 5386 number of black nodes along all paths to root must be constant ok 5387 item count consistency ok 5388 number of black nodes along all paths to root must be constant ok 5389 item count consistency ok 5390 number of black nodes along all paths to root must be constant ok 5391 item count consistency ok 5392 number of black nodes along all paths to root must be constant ok 5393 item count consistency ok 5394 node color must be red or black ok 5395 left tree order invariant ok 5396 right tree order invariant ok 5397 node color must be red or black ok 5398 number of black nodes along all paths to root must be constant ok 5399 item count consistency ok 5400 node color must be red or black ok 5401 number of black nodes along all paths to root must be constant ok 5402 item count consistency ok 5403 number of black nodes along all paths to root must be constant ok 5404 item count consistency ok 5405 number of black nodes along all paths to root must be constant ok 5406 item count consistency ok 5407 number of black nodes along all paths to root must be constant ok 5408 item count consistency ok 5409 node color must be red or black ok 5410 left tree order invariant ok 5411 right tree order invariant ok 5412 node color must be red or black ok 5413 left tree order invariant ok 5414 right tree order invariant ok 5415 node color must be red or black ok 5416 number of black nodes along all paths to root must be constant ok 5417 item count consistency ok 5418 node color must be red or black ok 5419 number of black nodes along all paths to root must be constant ok 5420 item count consistency ok 5421 number of black nodes along all paths to root must be constant ok 5422 item count consistency ok 5423 node color must be red or black ok 5424 left tree order invariant ok 5425 right tree order invariant ok 5426 node color must be red or black ok 5427 number of black nodes along all paths to root must be constant ok 5428 item count consistency ok 5429 node color must be red or black ok 5430 number of black nodes along all paths to root must be constant ok 5431 item count consistency ok 5432 number of black nodes along all paths to root must be constant ok 5433 item count consistency ok 5434 number of black nodes along all paths to root must be constant ok 5435 item count consistency ok 5436 number of black nodes along all paths to root must be constant ok 5437 item count consistency ok 5438 node color must be red or black ok 5439 left tree order invariant ok 5440 right tree order invariant ok 5441 node color must be red or black ok 5442 left tree order invariant ok 5443 right tree order invariant ok 5444 node color must be red or black ok 5445 number of black nodes along all paths to root must be constant ok 5446 item count consistency ok 5447 node color must be red or black ok 5448 number of black nodes along all paths to root must be constant ok 5449 item count consistency ok 5450 number of black nodes along all paths to root must be constant ok 5451 item count consistency ok 5452 node color must be red or black ok 5453 left tree order invariant ok 5454 right tree order invariant ok 5455 node color must be red or black ok 5456 number of black nodes along all paths to root must be constant ok 5457 item count consistency ok 5458 node color must be red or black ok 5459 number of black nodes along all paths to root must be constant ok 5460 item count consistency ok 5461 number of black nodes along all paths to root must be constant ok 5462 item count consistency ok 5463 number of black nodes along all paths to root must be constant ok 5464 item count consistency ok 5465 number of black nodes along all paths to root must be constant ok 5466 item count consistency ok 5467 tree length ok 5468 root is black ok 5469 node color must be red or black ok 5470 left tree order invariant ok 5471 right tree order invariant ok 5472 children of red node must be black ok 5473 children of red node must be black ok 5474 left tree order invariant ok 5475 right tree order invariant ok 5476 node color must be red or black ok 5477 left tree order invariant ok 5478 right tree order invariant ok 5479 children of red node must be black ok 5480 children of red node must be black ok 5481 left tree order invariant ok 5482 right tree order invariant ok 5483 node color must be red or black ok 5484 left tree order invariant ok 5485 right tree order invariant ok 5486 node color must be red or black ok 5487 number of black nodes along all paths to root must be constant ok 5488 item count consistency ok 5489 node color must be red or black ok 5490 number of black nodes along all paths to root must be constant ok 5491 item count consistency ok 5492 number of black nodes along all paths to root must be constant ok 5493 item count consistency ok 5494 node color must be red or black ok 5495 left tree order invariant ok 5496 right tree order invariant ok 5497 node color must be red or black ok 5498 number of black nodes along all paths to root must be constant ok 5499 item count consistency ok 5500 node color must be red or black ok 5501 number of black nodes along all paths to root must be constant ok 5502 item count consistency ok 5503 number of black nodes along all paths to root must be constant ok 5504 item count consistency ok 5505 number of black nodes along all paths to root must be constant ok 5506 item count consistency ok 5507 children of red node must be black ok 5508 children of red node must be black ok 5509 left tree order invariant ok 5510 right tree order invariant ok 5511 node color must be red or black ok 5512 left tree order invariant ok 5513 right tree order invariant ok 5514 node color must be red or black ok 5515 number of black nodes along all paths to root must be constant ok 5516 item count consistency ok 5517 children of red node must be black ok 5518 children of red node must be black ok 5519 left tree order invariant ok 5520 right tree order invariant ok 5521 node color must be red or black ok 5522 number of black nodes along all paths to root must be constant ok 5523 item count consistency ok 5524 node color must be red or black ok 5525 left tree order invariant ok 5526 right tree order invariant ok 5527 children of red node must be black ok 5528 children of red node must be black ok 5529 number of black nodes along all paths to root must be constant ok 5530 item count consistency ok 5531 children of red node must be black ok 5532 children of red node must be black ok 5533 number of black nodes along all paths to root must be constant ok 5534 item count consistency ok 5535 number of black nodes along all paths to root must be constant ok 5536 item count consistency ok 5537 number of black nodes along all paths to root must be constant ok 5538 item count consistency ok 5539 number of black nodes along all paths to root must be constant ok 5540 item count consistency ok 5541 node color must be red or black ok 5542 left tree order invariant ok 5543 right tree order invariant ok 5544 node color must be red or black ok 5545 number of black nodes along all paths to root must be constant ok 5546 item count consistency ok 5547 node color must be red or black ok 5548 number of black nodes along all paths to root must be constant ok 5549 item count consistency ok 5550 number of black nodes along all paths to root must be constant ok 5551 item count consistency ok 5552 number of black nodes along all paths to root must be constant ok 5553 item count consistency ok 5554 number of black nodes along all paths to root must be constant ok 5555 item count consistency ok 5556 node color must be red or black ok 5557 left tree order invariant ok 5558 right tree order invariant ok 5559 node color must be red or black ok 5560 left tree order invariant ok 5561 right tree order invariant ok 5562 node color must be red or black ok 5563 number of black nodes along all paths to root must be constant ok 5564 item count consistency ok 5565 node color must be red or black ok 5566 number of black nodes along all paths to root must be constant ok 5567 item count consistency ok 5568 number of black nodes along all paths to root must be constant ok 5569 item count consistency ok 5570 node color must be red or black ok 5571 left tree order invariant ok 5572 right tree order invariant ok 5573 node color must be red or black ok 5574 number of black nodes along all paths to root must be constant ok 5575 item count consistency ok 5576 node color must be red or black ok 5577 number of black nodes along all paths to root must be constant ok 5578 item count consistency ok 5579 number of black nodes along all paths to root must be constant ok 5580 item count consistency ok 5581 number of black nodes along all paths to root must be constant ok 5582 item count consistency ok 5583 number of black nodes along all paths to root must be constant ok 5584 item count consistency ok 5585 node color must be red or black ok 5586 left tree order invariant ok 5587 right tree order invariant ok 5588 node color must be red or black ok 5589 left tree order invariant ok 5590 right tree order invariant ok 5591 node color must be red or black ok 5592 number of black nodes along all paths to root must be constant ok 5593 item count consistency ok 5594 node color must be red or black ok 5595 number of black nodes along all paths to root must be constant ok 5596 item count consistency ok 5597 number of black nodes along all paths to root must be constant ok 5598 item count consistency ok 5599 node color must be red or black ok 5600 left tree order invariant ok 5601 right tree order invariant ok 5602 node color must be red or black ok 5603 number of black nodes along all paths to root must be constant ok 5604 item count consistency ok 5605 node color must be red or black ok 5606 number of black nodes along all paths to root must be constant ok 5607 item count consistency ok 5608 number of black nodes along all paths to root must be constant ok 5609 item count consistency ok 5610 number of black nodes along all paths to root must be constant ok 5611 item count consistency ok 5612 number of black nodes along all paths to root must be constant ok 5613 item count consistency ok 5614 tree length ok 5615 should be equal ok 5616 should be equal ok 5617 should be equal ok 5618 should be equal ok 5619 should be equal ok 5620 should be equal ok 5621 should be equal ok 5622 should be equal ok 5623 should be equal ok 5624 should be equal ok 5625 should be equal ok 5626 should be equal ok 5627 should be equal ok 5628 should be equal ok 5629 should be equal ok 5630 should be equal ok 5631 should be equal ok 5632 should be equal ok 5633 should be equal ok 5634 should be equal ok 5635 should be equal ok 5636 should be equal ok 5637 should be equal ok 5638 should be equal ok 5639 should be equal ok 5640 should be equal ok 5641 should be equal ok 5642 should be equal ok 5643 should be equal ok 5644 should be equal ok 5645 should be equal ok 5646 should be equal ok 5647 should be equal ok 5648 should be equal ok 5649 should be equal ok 5650 root is black ok 5651 node color must be red or black ok 5652 left tree order invariant ok 5653 right tree order invariant ok 5654 children of red node must be black ok 5655 children of red node must be black ok 5656 left tree order invariant ok 5657 right tree order invariant ok 5658 node color must be red or black ok 5659 left tree order invariant ok 5660 right tree order invariant ok 5661 children of red node must be black ok 5662 children of red node must be black ok 5663 left tree order invariant ok 5664 right tree order invariant ok 5665 node color must be red or black ok 5666 left tree order invariant ok 5667 right tree order invariant ok 5668 node color must be red or black ok 5669 number of black nodes along all paths to root must be constant ok 5670 item count consistency ok 5671 node color must be red or black ok 5672 number of black nodes along all paths to root must be constant ok 5673 item count consistency ok 5674 number of black nodes along all paths to root must be constant ok 5675 item count consistency ok 5676 node color must be red or black ok 5677 left tree order invariant ok 5678 right tree order invariant ok 5679 node color must be red or black ok 5680 number of black nodes along all paths to root must be constant ok 5681 item count consistency ok 5682 node color must be red or black ok 5683 number of black nodes along all paths to root must be constant ok 5684 item count consistency ok 5685 number of black nodes along all paths to root must be constant ok 5686 item count consistency ok 5687 number of black nodes along all paths to root must be constant ok 5688 item count consistency ok 5689 children of red node must be black ok 5690 children of red node must be black ok 5691 left tree order invariant ok 5692 right tree order invariant ok 5693 node color must be red or black ok 5694 left tree order invariant ok 5695 right tree order invariant ok 5696 node color must be red or black ok 5697 number of black nodes along all paths to root must be constant ok 5698 item count consistency ok 5699 children of red node must be black ok 5700 children of red node must be black ok 5701 left tree order invariant ok 5702 right tree order invariant ok 5703 node color must be red or black ok 5704 number of black nodes along all paths to root must be constant ok 5705 item count consistency ok 5706 node color must be red or black ok 5707 left tree order invariant ok 5708 right tree order invariant ok 5709 children of red node must be black ok 5710 children of red node must be black ok 5711 number of black nodes along all paths to root must be constant ok 5712 item count consistency ok 5713 children of red node must be black ok 5714 children of red node must be black ok 5715 number of black nodes along all paths to root must be constant ok 5716 item count consistency ok 5717 number of black nodes along all paths to root must be constant ok 5718 item count consistency ok 5719 number of black nodes along all paths to root must be constant ok 5720 item count consistency ok 5721 number of black nodes along all paths to root must be constant ok 5722 item count consistency ok 5723 node color must be red or black ok 5724 left tree order invariant ok 5725 right tree order invariant ok 5726 node color must be red or black ok 5727 number of black nodes along all paths to root must be constant ok 5728 item count consistency ok 5729 node color must be red or black ok 5730 number of black nodes along all paths to root must be constant ok 5731 item count consistency ok 5732 number of black nodes along all paths to root must be constant ok 5733 item count consistency ok 5734 number of black nodes along all paths to root must be constant ok 5735 item count consistency ok 5736 number of black nodes along all paths to root must be constant ok 5737 item count consistency ok 5738 node color must be red or black ok 5739 left tree order invariant ok 5740 right tree order invariant ok 5741 node color must be red or black ok 5742 left tree order invariant ok 5743 right tree order invariant ok 5744 node color must be red or black ok 5745 number of black nodes along all paths to root must be constant ok 5746 item count consistency ok 5747 node color must be red or black ok 5748 number of black nodes along all paths to root must be constant ok 5749 item count consistency ok 5750 number of black nodes along all paths to root must be constant ok 5751 item count consistency ok 5752 node color must be red or black ok 5753 left tree order invariant ok 5754 right tree order invariant ok 5755 node color must be red or black ok 5756 number of black nodes along all paths to root must be constant ok 5757 item count consistency ok 5758 node color must be red or black ok 5759 number of black nodes along all paths to root must be constant ok 5760 item count consistency ok 5761 number of black nodes along all paths to root must be constant ok 5762 item count consistency ok 5763 number of black nodes along all paths to root must be constant ok 5764 item count consistency ok 5765 number of black nodes along all paths to root must be constant ok 5766 item count consistency ok 5767 node color must be red or black ok 5768 left tree order invariant ok 5769 right tree order invariant ok 5770 node color must be red or black ok 5771 left tree order invariant ok 5772 right tree order invariant ok 5773 node color must be red or black ok 5774 number of black nodes along all paths to root must be constant ok 5775 item count consistency ok 5776 node color must be red or black ok 5777 number of black nodes along all paths to root must be constant ok 5778 item count consistency ok 5779 number of black nodes along all paths to root must be constant ok 5780 item count consistency ok 5781 node color must be red or black ok 5782 left tree order invariant ok 5783 right tree order invariant ok 5784 node color must be red or black ok 5785 number of black nodes along all paths to root must be constant ok 5786 item count consistency ok 5787 node color must be red or black ok 5788 number of black nodes along all paths to root must be constant ok 5789 item count consistency ok 5790 number of black nodes along all paths to root must be constant ok 5791 item count consistency ok 5792 number of black nodes along all paths to root must be constant ok 5793 item count consistency ok 5794 number of black nodes along all paths to root must be constant ok 5795 item count consistency ok 5796 tree length ok 5797 root is black ok 5798 node color must be red or black ok 5799 left tree order invariant ok 5800 right tree order invariant ok 5801 children of red node must be black ok 5802 children of red node must be black ok 5803 left tree order invariant ok 5804 right tree order invariant ok 5805 node color must be red or black ok 5806 left tree order invariant ok 5807 right tree order invariant ok 5808 children of red node must be black ok 5809 children of red node must be black ok 5810 left tree order invariant ok 5811 right tree order invariant ok 5812 node color must be red or black ok 5813 left tree order invariant ok 5814 right tree order invariant ok 5815 node color must be red or black ok 5816 number of black nodes along all paths to root must be constant ok 5817 item count consistency ok 5818 node color must be red or black ok 5819 number of black nodes along all paths to root must be constant ok 5820 item count consistency ok 5821 number of black nodes along all paths to root must be constant ok 5822 item count consistency ok 5823 node color must be red or black ok 5824 left tree order invariant ok 5825 right tree order invariant ok 5826 node color must be red or black ok 5827 number of black nodes along all paths to root must be constant ok 5828 item count consistency ok 5829 node color must be red or black ok 5830 number of black nodes along all paths to root must be constant ok 5831 item count consistency ok 5832 number of black nodes along all paths to root must be constant ok 5833 item count consistency ok 5834 number of black nodes along all paths to root must be constant ok 5835 item count consistency ok 5836 children of red node must be black ok 5837 children of red node must be black ok 5838 left tree order invariant ok 5839 right tree order invariant ok 5840 node color must be red or black ok 5841 left tree order invariant ok 5842 right tree order invariant ok 5843 children of red node must be black ok 5844 children of red node must be black ok 5845 left tree order invariant ok 5846 right tree order invariant ok 5847 node color must be red or black ok 5848 number of black nodes along all paths to root must be constant ok 5849 item count consistency ok 5850 node color must be red or black ok 5851 number of black nodes along all paths to root must be constant ok 5852 item count consistency ok 5853 number of black nodes along all paths to root must be constant ok 5854 item count consistency ok 5855 children of red node must be black ok 5856 children of red node must be black ok 5857 left tree order invariant ok 5858 right tree order invariant ok 5859 node color must be red or black ok 5860 number of black nodes along all paths to root must be constant ok 5861 item count consistency ok 5862 node color must be red or black ok 5863 left tree order invariant ok 5864 children of red node must be black ok 5865 children of red node must be black ok 5866 number of black nodes along all paths to root must be constant ok 5867 item count consistency ok 5868 number of black nodes along all paths to root must be constant ok 5869 item count consistency ok 5870 number of black nodes along all paths to root must be constant ok 5871 item count consistency ok 5872 number of black nodes along all paths to root must be constant ok 5873 item count consistency ok 5874 node color must be red or black ok 5875 left tree order invariant ok 5876 right tree order invariant ok 5877 node color must be red or black ok 5878 number of black nodes along all paths to root must be constant ok 5879 item count consistency ok 5880 node color must be red or black ok 5881 number of black nodes along all paths to root must be constant ok 5882 item count consistency ok 5883 number of black nodes along all paths to root must be constant ok 5884 item count consistency ok 5885 number of black nodes along all paths to root must be constant ok 5886 item count consistency ok 5887 number of black nodes along all paths to root must be constant ok 5888 item count consistency ok 5889 node color must be red or black ok 5890 left tree order invariant ok 5891 right tree order invariant ok 5892 node color must be red or black ok 5893 left tree order invariant ok 5894 right tree order invariant ok 5895 node color must be red or black ok 5896 number of black nodes along all paths to root must be constant ok 5897 item count consistency ok 5898 node color must be red or black ok 5899 number of black nodes along all paths to root must be constant ok 5900 item count consistency ok 5901 number of black nodes along all paths to root must be constant ok 5902 item count consistency ok 5903 node color must be red or black ok 5904 left tree order invariant ok 5905 right tree order invariant ok 5906 node color must be red or black ok 5907 number of black nodes along all paths to root must be constant ok 5908 item count consistency ok 5909 node color must be red or black ok 5910 number of black nodes along all paths to root must be constant ok 5911 item count consistency ok 5912 number of black nodes along all paths to root must be constant ok 5913 item count consistency ok 5914 number of black nodes along all paths to root must be constant ok 5915 item count consistency ok 5916 number of black nodes along all paths to root must be constant ok 5917 item count consistency ok 5918 node color must be red or black ok 5919 left tree order invariant ok 5920 right tree order invariant ok 5921 node color must be red or black ok 5922 left tree order invariant ok 5923 right tree order invariant ok 5924 node color must be red or black ok 5925 number of black nodes along all paths to root must be constant ok 5926 item count consistency ok 5927 node color must be red or black ok 5928 number of black nodes along all paths to root must be constant ok 5929 item count consistency ok 5930 number of black nodes along all paths to root must be constant ok 5931 item count consistency ok 5932 node color must be red or black ok 5933 left tree order invariant ok 5934 right tree order invariant ok 5935 node color must be red or black ok 5936 number of black nodes along all paths to root must be constant ok 5937 item count consistency ok 5938 node color must be red or black ok 5939 number of black nodes along all paths to root must be constant ok 5940 item count consistency ok 5941 number of black nodes along all paths to root must be constant ok 5942 item count consistency ok 5943 number of black nodes along all paths to root must be constant ok 5944 item count consistency ok 5945 number of black nodes along all paths to root must be constant ok 5946 item count consistency ok 5947 tree length ok 5948 should be equal ok 5949 should be equal ok 5950 should be equal ok 5951 should be equal ok 5952 should be equal ok 5953 should be equal ok 5954 should be equal ok 5955 should be equal ok 5956 should be equal ok 5957 should be equal ok 5958 should be equal ok 5959 should be equal ok 5960 should be equal ok 5961 should be equal ok 5962 should be equal ok 5963 should be equal ok 5964 should be equal ok 5965 should be equal ok 5966 should be equal ok 5967 should be equal ok 5968 should be equal ok 5969 should be equal ok 5970 should be equal ok 5971 should be equal ok 5972 should be equal ok 5973 should be equal ok 5974 should be equal ok 5975 should be equal ok 5976 should be equal ok 5977 should be equal ok 5978 should be equal ok 5979 should be equal ok 5980 should be equal ok 5981 should be equal ok 5982 should be equal ok 5983 should be equal ok 5984 root is black ok 5985 node color must be red or black ok 5986 left tree order invariant ok 5987 right tree order invariant ok 5988 children of red node must be black ok 5989 children of red node must be black ok 5990 left tree order invariant ok 5991 right tree order invariant ok 5992 node color must be red or black ok 5993 left tree order invariant ok 5994 right tree order invariant ok 5995 children of red node must be black ok 5996 children of red node must be black ok 5997 left tree order invariant ok 5998 right tree order invariant ok 5999 node color must be red or black ok 6000 left tree order invariant ok 6001 right tree order invariant ok 6002 node color must be red or black ok 6003 number of black nodes along all paths to root must be constant ok 6004 item count consistency ok 6005 node color must be red or black ok 6006 number of black nodes along all paths to root must be constant ok 6007 item count consistency ok 6008 number of black nodes along all paths to root must be constant ok 6009 item count consistency ok 6010 node color must be red or black ok 6011 left tree order invariant ok 6012 right tree order invariant ok 6013 node color must be red or black ok 6014 number of black nodes along all paths to root must be constant ok 6015 item count consistency ok 6016 node color must be red or black ok 6017 number of black nodes along all paths to root must be constant ok 6018 item count consistency ok 6019 number of black nodes along all paths to root must be constant ok 6020 item count consistency ok 6021 number of black nodes along all paths to root must be constant ok 6022 item count consistency ok 6023 children of red node must be black ok 6024 children of red node must be black ok 6025 left tree order invariant ok 6026 right tree order invariant ok 6027 node color must be red or black ok 6028 left tree order invariant ok 6029 right tree order invariant ok 6030 children of red node must be black ok 6031 children of red node must be black ok 6032 left tree order invariant ok 6033 right tree order invariant ok 6034 node color must be red or black ok 6035 number of black nodes along all paths to root must be constant ok 6036 item count consistency ok 6037 node color must be red or black ok 6038 number of black nodes along all paths to root must be constant ok 6039 item count consistency ok 6040 number of black nodes along all paths to root must be constant ok 6041 item count consistency ok 6042 children of red node must be black ok 6043 children of red node must be black ok 6044 left tree order invariant ok 6045 right tree order invariant ok 6046 node color must be red or black ok 6047 number of black nodes along all paths to root must be constant ok 6048 item count consistency ok 6049 node color must be red or black ok 6050 left tree order invariant ok 6051 children of red node must be black ok 6052 children of red node must be black ok 6053 number of black nodes along all paths to root must be constant ok 6054 item count consistency ok 6055 number of black nodes along all paths to root must be constant ok 6056 item count consistency ok 6057 number of black nodes along all paths to root must be constant ok 6058 item count consistency ok 6059 number of black nodes along all paths to root must be constant ok 6060 item count consistency ok 6061 node color must be red or black ok 6062 left tree order invariant ok 6063 right tree order invariant ok 6064 node color must be red or black ok 6065 number of black nodes along all paths to root must be constant ok 6066 item count consistency ok 6067 node color must be red or black ok 6068 number of black nodes along all paths to root must be constant ok 6069 item count consistency ok 6070 number of black nodes along all paths to root must be constant ok 6071 item count consistency ok 6072 number of black nodes along all paths to root must be constant ok 6073 item count consistency ok 6074 number of black nodes along all paths to root must be constant ok 6075 item count consistency ok 6076 node color must be red or black ok 6077 left tree order invariant ok 6078 right tree order invariant ok 6079 node color must be red or black ok 6080 left tree order invariant ok 6081 right tree order invariant ok 6082 node color must be red or black ok 6083 number of black nodes along all paths to root must be constant ok 6084 item count consistency ok 6085 node color must be red or black ok 6086 number of black nodes along all paths to root must be constant ok 6087 item count consistency ok 6088 number of black nodes along all paths to root must be constant ok 6089 item count consistency ok 6090 node color must be red or black ok 6091 left tree order invariant ok 6092 right tree order invariant ok 6093 node color must be red or black ok 6094 number of black nodes along all paths to root must be constant ok 6095 item count consistency ok 6096 node color must be red or black ok 6097 number of black nodes along all paths to root must be constant ok 6098 item count consistency ok 6099 number of black nodes along all paths to root must be constant ok 6100 item count consistency ok 6101 number of black nodes along all paths to root must be constant ok 6102 item count consistency ok 6103 number of black nodes along all paths to root must be constant ok 6104 item count consistency ok 6105 node color must be red or black ok 6106 left tree order invariant ok 6107 right tree order invariant ok 6108 node color must be red or black ok 6109 left tree order invariant ok 6110 right tree order invariant ok 6111 node color must be red or black ok 6112 number of black nodes along all paths to root must be constant ok 6113 item count consistency ok 6114 node color must be red or black ok 6115 number of black nodes along all paths to root must be constant ok 6116 item count consistency ok 6117 number of black nodes along all paths to root must be constant ok 6118 item count consistency ok 6119 node color must be red or black ok 6120 left tree order invariant ok 6121 right tree order invariant ok 6122 node color must be red or black ok 6123 number of black nodes along all paths to root must be constant ok 6124 item count consistency ok 6125 node color must be red or black ok 6126 number of black nodes along all paths to root must be constant ok 6127 item count consistency ok 6128 number of black nodes along all paths to root must be constant ok 6129 item count consistency ok 6130 number of black nodes along all paths to root must be constant ok 6131 item count consistency ok 6132 number of black nodes along all paths to root must be constant ok 6133 item count consistency ok 6134 tree length ok 6135 root is black ok 6136 node color must be red or black ok 6137 left tree order invariant ok 6138 right tree order invariant ok 6139 children of red node must be black ok 6140 children of red node must be black ok 6141 left tree order invariant ok 6142 right tree order invariant ok 6143 node color must be red or black ok 6144 left tree order invariant ok 6145 right tree order invariant ok 6146 children of red node must be black ok 6147 children of red node must be black ok 6148 left tree order invariant ok 6149 right tree order invariant ok 6150 node color must be red or black ok 6151 left tree order invariant ok 6152 right tree order invariant ok 6153 node color must be red or black ok 6154 number of black nodes along all paths to root must be constant ok 6155 item count consistency ok 6156 node color must be red or black ok 6157 number of black nodes along all paths to root must be constant ok 6158 item count consistency ok 6159 number of black nodes along all paths to root must be constant ok 6160 item count consistency ok 6161 node color must be red or black ok 6162 left tree order invariant ok 6163 right tree order invariant ok 6164 node color must be red or black ok 6165 number of black nodes along all paths to root must be constant ok 6166 item count consistency ok 6167 node color must be red or black ok 6168 number of black nodes along all paths to root must be constant ok 6169 item count consistency ok 6170 number of black nodes along all paths to root must be constant ok 6171 item count consistency ok 6172 number of black nodes along all paths to root must be constant ok 6173 item count consistency ok 6174 children of red node must be black ok 6175 children of red node must be black ok 6176 left tree order invariant ok 6177 right tree order invariant ok 6178 node color must be red or black ok 6179 left tree order invariant ok 6180 right tree order invariant ok 6181 children of red node must be black ok 6182 children of red node must be black ok 6183 left tree order invariant ok 6184 right tree order invariant ok 6185 node color must be red or black ok 6186 number of black nodes along all paths to root must be constant ok 6187 item count consistency ok 6188 node color must be red or black ok 6189 number of black nodes along all paths to root must be constant ok 6190 item count consistency ok 6191 number of black nodes along all paths to root must be constant ok 6192 item count consistency ok 6193 children of red node must be black ok 6194 children of red node must be black ok 6195 left tree order invariant ok 6196 right tree order invariant ok 6197 node color must be red or black ok 6198 number of black nodes along all paths to root must be constant ok 6199 item count consistency ok 6200 node color must be red or black ok 6201 left tree order invariant ok 6202 right tree order invariant ok 6203 children of red node must be black ok 6204 children of red node must be black ok 6205 number of black nodes along all paths to root must be constant ok 6206 item count consistency ok 6207 children of red node must be black ok 6208 children of red node must be black ok 6209 number of black nodes along all paths to root must be constant ok 6210 item count consistency ok 6211 number of black nodes along all paths to root must be constant ok 6212 item count consistency ok 6213 number of black nodes along all paths to root must be constant ok 6214 item count consistency ok 6215 number of black nodes along all paths to root must be constant ok 6216 item count consistency ok 6217 node color must be red or black ok 6218 left tree order invariant ok 6219 right tree order invariant ok 6220 node color must be red or black ok 6221 number of black nodes along all paths to root must be constant ok 6222 item count consistency ok 6223 node color must be red or black ok 6224 number of black nodes along all paths to root must be constant ok 6225 item count consistency ok 6226 number of black nodes along all paths to root must be constant ok 6227 item count consistency ok 6228 number of black nodes along all paths to root must be constant ok 6229 item count consistency ok 6230 number of black nodes along all paths to root must be constant ok 6231 item count consistency ok 6232 node color must be red or black ok 6233 left tree order invariant ok 6234 right tree order invariant ok 6235 node color must be red or black ok 6236 left tree order invariant ok 6237 right tree order invariant ok 6238 node color must be red or black ok 6239 number of black nodes along all paths to root must be constant ok 6240 item count consistency ok 6241 node color must be red or black ok 6242 number of black nodes along all paths to root must be constant ok 6243 item count consistency ok 6244 number of black nodes along all paths to root must be constant ok 6245 item count consistency ok 6246 node color must be red or black ok 6247 left tree order invariant ok 6248 right tree order invariant ok 6249 node color must be red or black ok 6250 number of black nodes along all paths to root must be constant ok 6251 item count consistency ok 6252 node color must be red or black ok 6253 number of black nodes along all paths to root must be constant ok 6254 item count consistency ok 6255 number of black nodes along all paths to root must be constant ok 6256 item count consistency ok 6257 number of black nodes along all paths to root must be constant ok 6258 item count consistency ok 6259 number of black nodes along all paths to root must be constant ok 6260 item count consistency ok 6261 node color must be red or black ok 6262 left tree order invariant ok 6263 right tree order invariant ok 6264 node color must be red or black ok 6265 left tree order invariant ok 6266 right tree order invariant ok 6267 node color must be red or black ok 6268 number of black nodes along all paths to root must be constant ok 6269 item count consistency ok 6270 node color must be red or black ok 6271 number of black nodes along all paths to root must be constant ok 6272 item count consistency ok 6273 number of black nodes along all paths to root must be constant ok 6274 item count consistency ok 6275 node color must be red or black ok 6276 left tree order invariant ok 6277 right tree order invariant ok 6278 node color must be red or black ok 6279 number of black nodes along all paths to root must be constant ok 6280 item count consistency ok 6281 node color must be red or black ok 6282 number of black nodes along all paths to root must be constant ok 6283 item count consistency ok 6284 number of black nodes along all paths to root must be constant ok 6285 item count consistency ok 6286 number of black nodes along all paths to root must be constant ok 6287 item count consistency ok 6288 number of black nodes along all paths to root must be constant ok 6289 item count consistency ok 6290 tree length ok 6291 should be equal ok 6292 should be equal ok 6293 should be equal ok 6294 should be equal ok 6295 should be equal ok 6296 should be equal ok 6297 should be equal ok 6298 should be equal ok 6299 should be equal ok 6300 should be equal ok 6301 should be equal ok 6302 should be equal ok 6303 should be equal ok 6304 should be equal ok 6305 should be equal ok 6306 should be equal ok 6307 should be equal ok 6308 should be equal ok 6309 should be equal ok 6310 should be equal ok 6311 should be equal ok 6312 should be equal ok 6313 should be equal ok 6314 should be equal ok 6315 should be equal ok 6316 should be equal ok 6317 should be equal ok 6318 should be equal ok 6319 should be equal ok 6320 should be equal ok 6321 should be equal ok 6322 should be equal ok 6323 should be equal ok 6324 should be equal ok 6325 should be equal ok 6326 should be equal ok 6327 should be equal ok 6328 root is black ok 6329 node color must be red or black ok 6330 left tree order invariant ok 6331 right tree order invariant ok 6332 children of red node must be black ok 6333 children of red node must be black ok 6334 left tree order invariant ok 6335 right tree order invariant ok 6336 node color must be red or black ok 6337 left tree order invariant ok 6338 right tree order invariant ok 6339 children of red node must be black ok 6340 children of red node must be black ok 6341 left tree order invariant ok 6342 right tree order invariant ok 6343 node color must be red or black ok 6344 left tree order invariant ok 6345 right tree order invariant ok 6346 node color must be red or black ok 6347 number of black nodes along all paths to root must be constant ok 6348 item count consistency ok 6349 node color must be red or black ok 6350 number of black nodes along all paths to root must be constant ok 6351 item count consistency ok 6352 number of black nodes along all paths to root must be constant ok 6353 item count consistency ok 6354 node color must be red or black ok 6355 left tree order invariant ok 6356 right tree order invariant ok 6357 node color must be red or black ok 6358 number of black nodes along all paths to root must be constant ok 6359 item count consistency ok 6360 node color must be red or black ok 6361 number of black nodes along all paths to root must be constant ok 6362 item count consistency ok 6363 number of black nodes along all paths to root must be constant ok 6364 item count consistency ok 6365 number of black nodes along all paths to root must be constant ok 6366 item count consistency ok 6367 children of red node must be black ok 6368 children of red node must be black ok 6369 left tree order invariant ok 6370 right tree order invariant ok 6371 node color must be red or black ok 6372 left tree order invariant ok 6373 right tree order invariant ok 6374 children of red node must be black ok 6375 children of red node must be black ok 6376 left tree order invariant ok 6377 right tree order invariant ok 6378 node color must be red or black ok 6379 number of black nodes along all paths to root must be constant ok 6380 item count consistency ok 6381 node color must be red or black ok 6382 number of black nodes along all paths to root must be constant ok 6383 item count consistency ok 6384 number of black nodes along all paths to root must be constant ok 6385 item count consistency ok 6386 children of red node must be black ok 6387 children of red node must be black ok 6388 left tree order invariant ok 6389 right tree order invariant ok 6390 node color must be red or black ok 6391 number of black nodes along all paths to root must be constant ok 6392 item count consistency ok 6393 node color must be red or black ok 6394 left tree order invariant ok 6395 right tree order invariant ok 6396 children of red node must be black ok 6397 children of red node must be black ok 6398 number of black nodes along all paths to root must be constant ok 6399 item count consistency ok 6400 children of red node must be black ok 6401 children of red node must be black ok 6402 number of black nodes along all paths to root must be constant ok 6403 item count consistency ok 6404 number of black nodes along all paths to root must be constant ok 6405 item count consistency ok 6406 number of black nodes along all paths to root must be constant ok 6407 item count consistency ok 6408 number of black nodes along all paths to root must be constant ok 6409 item count consistency ok 6410 node color must be red or black ok 6411 left tree order invariant ok 6412 right tree order invariant ok 6413 node color must be red or black ok 6414 number of black nodes along all paths to root must be constant ok 6415 item count consistency ok 6416 node color must be red or black ok 6417 number of black nodes along all paths to root must be constant ok 6418 item count consistency ok 6419 number of black nodes along all paths to root must be constant ok 6420 item count consistency ok 6421 number of black nodes along all paths to root must be constant ok 6422 item count consistency ok 6423 number of black nodes along all paths to root must be constant ok 6424 item count consistency ok 6425 node color must be red or black ok 6426 left tree order invariant ok 6427 right tree order invariant ok 6428 node color must be red or black ok 6429 left tree order invariant ok 6430 right tree order invariant ok 6431 node color must be red or black ok 6432 number of black nodes along all paths to root must be constant ok 6433 item count consistency ok 6434 node color must be red or black ok 6435 number of black nodes along all paths to root must be constant ok 6436 item count consistency ok 6437 number of black nodes along all paths to root must be constant ok 6438 item count consistency ok 6439 node color must be red or black ok 6440 left tree order invariant ok 6441 right tree order invariant ok 6442 node color must be red or black ok 6443 number of black nodes along all paths to root must be constant ok 6444 item count consistency ok 6445 node color must be red or black ok 6446 number of black nodes along all paths to root must be constant ok 6447 item count consistency ok 6448 number of black nodes along all paths to root must be constant ok 6449 item count consistency ok 6450 number of black nodes along all paths to root must be constant ok 6451 item count consistency ok 6452 number of black nodes along all paths to root must be constant ok 6453 item count consistency ok 6454 node color must be red or black ok 6455 left tree order invariant ok 6456 right tree order invariant ok 6457 node color must be red or black ok 6458 left tree order invariant ok 6459 right tree order invariant ok 6460 node color must be red or black ok 6461 number of black nodes along all paths to root must be constant ok 6462 item count consistency ok 6463 node color must be red or black ok 6464 number of black nodes along all paths to root must be constant ok 6465 item count consistency ok 6466 number of black nodes along all paths to root must be constant ok 6467 item count consistency ok 6468 node color must be red or black ok 6469 left tree order invariant ok 6470 right tree order invariant ok 6471 node color must be red or black ok 6472 number of black nodes along all paths to root must be constant ok 6473 item count consistency ok 6474 node color must be red or black ok 6475 number of black nodes along all paths to root must be constant ok 6476 item count consistency ok 6477 number of black nodes along all paths to root must be constant ok 6478 item count consistency ok 6479 number of black nodes along all paths to root must be constant ok 6480 item count consistency ok 6481 number of black nodes along all paths to root must be constant ok 6482 item count consistency ok 6483 tree length ok 6484 root is black ok 6485 node color must be red or black ok 6486 left tree order invariant ok 6487 right tree order invariant ok 6488 children of red node must be black ok 6489 children of red node must be black ok 6490 left tree order invariant ok 6491 right tree order invariant ok 6492 node color must be red or black ok 6493 left tree order invariant ok 6494 right tree order invariant ok 6495 node color must be red or black ok 6496 left tree order invariant ok 6497 right tree order invariant ok 6498 node color must be red or black ok 6499 number of black nodes along all paths to root must be constant ok 6500 item count consistency ok 6501 node color must be red or black ok 6502 number of black nodes along all paths to root must be constant ok 6503 item count consistency ok 6504 number of black nodes along all paths to root must be constant ok 6505 item count consistency ok 6506 node color must be red or black ok 6507 left tree order invariant ok 6508 right tree order invariant ok 6509 node color must be red or black ok 6510 number of black nodes along all paths to root must be constant ok 6511 item count consistency ok 6512 node color must be red or black ok 6513 number of black nodes along all paths to root must be constant ok 6514 item count consistency ok 6515 number of black nodes along all paths to root must be constant ok 6516 item count consistency ok 6517 number of black nodes along all paths to root must be constant ok 6518 item count consistency ok 6519 node color must be red or black ok 6520 left tree order invariant ok 6521 right tree order invariant ok 6522 children of red node must be black ok 6523 children of red node must be black ok 6524 left tree order invariant ok 6525 right tree order invariant ok 6526 node color must be red or black ok 6527 left tree order invariant ok 6528 right tree order invariant ok 6529 node color must be red or black ok 6530 number of black nodes along all paths to root must be constant ok 6531 item count consistency ok 6532 node color must be red or black ok 6533 number of black nodes along all paths to root must be constant ok 6534 item count consistency ok 6535 number of black nodes along all paths to root must be constant ok 6536 item count consistency ok 6537 node color must be red or black ok 6538 left tree order invariant ok 6539 right tree order invariant ok 6540 node color must be red or black ok 6541 number of black nodes along all paths to root must be constant ok 6542 item count consistency ok 6543 children of red node must be black ok 6544 children of red node must be black ok 6545 left tree order invariant ok 6546 right tree order invariant ok 6547 node color must be red or black ok 6548 number of black nodes along all paths to root must be constant ok 6549 item count consistency ok 6550 node color must be red or black ok 6551 left tree order invariant ok 6552 children of red node must be black ok 6553 children of red node must be black ok 6554 number of black nodes along all paths to root must be constant ok 6555 item count consistency ok 6556 number of black nodes along all paths to root must be constant ok 6557 item count consistency ok 6558 number of black nodes along all paths to root must be constant ok 6559 item count consistency ok 6560 number of black nodes along all paths to root must be constant ok 6561 item count consistency ok 6562 number of black nodes along all paths to root must be constant ok 6563 item count consistency ok 6564 node color must be red or black ok 6565 left tree order invariant ok 6566 right tree order invariant ok 6567 node color must be red or black ok 6568 number of black nodes along all paths to root must be constant ok 6569 item count consistency ok 6570 node color must be red or black ok 6571 number of black nodes along all paths to root must be constant ok 6572 item count consistency ok 6573 number of black nodes along all paths to root must be constant ok 6574 item count consistency ok 6575 number of black nodes along all paths to root must be constant ok 6576 item count consistency ok 6577 number of black nodes along all paths to root must be constant ok 6578 item count consistency ok 6579 children of red node must be black ok 6580 children of red node must be black ok 6581 left tree order invariant ok 6582 right tree order invariant ok 6583 node color must be red or black ok 6584 left tree order invariant ok 6585 right tree order invariant ok 6586 node color must be red or black ok 6587 left tree order invariant ok 6588 right tree order invariant ok 6589 node color must be red or black ok 6590 number of black nodes along all paths to root must be constant ok 6591 item count consistency ok 6592 node color must be red or black ok 6593 number of black nodes along all paths to root must be constant ok 6594 item count consistency ok 6595 number of black nodes along all paths to root must be constant ok 6596 item count consistency ok 6597 node color must be red or black ok 6598 left tree order invariant ok 6599 right tree order invariant ok 6600 node color must be red or black ok 6601 number of black nodes along all paths to root must be constant ok 6602 item count consistency ok 6603 node color must be red or black ok 6604 number of black nodes along all paths to root must be constant ok 6605 item count consistency ok 6606 number of black nodes along all paths to root must be constant ok 6607 item count consistency ok 6608 number of black nodes along all paths to root must be constant ok 6609 item count consistency ok 6610 node color must be red or black ok 6611 left tree order invariant ok 6612 right tree order invariant ok 6613 node color must be red or black ok 6614 left tree order invariant ok 6615 right tree order invariant ok 6616 node color must be red or black ok 6617 number of black nodes along all paths to root must be constant ok 6618 item count consistency ok 6619 node color must be red or black ok 6620 number of black nodes along all paths to root must be constant ok 6621 item count consistency ok 6622 number of black nodes along all paths to root must be constant ok 6623 item count consistency ok 6624 node color must be red or black ok 6625 left tree order invariant ok 6626 right tree order invariant ok 6627 node color must be red or black ok 6628 number of black nodes along all paths to root must be constant ok 6629 item count consistency ok 6630 node color must be red or black ok 6631 number of black nodes along all paths to root must be constant ok 6632 item count consistency ok 6633 number of black nodes along all paths to root must be constant ok 6634 item count consistency ok 6635 number of black nodes along all paths to root must be constant ok 6636 item count consistency ok 6637 number of black nodes along all paths to root must be constant ok 6638 item count consistency ok 6639 number of black nodes along all paths to root must be constant ok 6640 item count consistency ok 6641 tree length ok 6642 should be equal ok 6643 should be equal ok 6644 should be equal ok 6645 should be equal ok 6646 should be equal ok 6647 should be equal ok 6648 should be equal ok 6649 should be equal ok 6650 should be equal ok 6651 should be equal ok 6652 should be equal ok 6653 should be equal ok 6654 should be equal ok 6655 should be equal ok 6656 should be equal ok 6657 should be equal ok 6658 should be equal ok 6659 should be equal ok 6660 should be equal ok 6661 should be equal ok 6662 should be equal ok 6663 should be equal ok 6664 should be equal ok 6665 should be equal ok 6666 should be equal ok 6667 should be equal ok 6668 should be equal ok 6669 should be equal ok 6670 should be equal ok 6671 should be equal ok 6672 should be equal ok 6673 should be equal ok 6674 should be equal ok 6675 should be equal ok 6676 should be equal ok 6677 should be equal ok 6678 should be equal ok 6679 should be equal ok 6680 root is black ok 6681 node color must be red or black ok 6682 left tree order invariant ok 6683 right tree order invariant ok 6684 children of red node must be black ok 6685 children of red node must be black ok 6686 left tree order invariant ok 6687 right tree order invariant ok 6688 node color must be red or black ok 6689 left tree order invariant ok 6690 right tree order invariant ok 6691 node color must be red or black ok 6692 left tree order invariant ok 6693 right tree order invariant ok 6694 node color must be red or black ok 6695 number of black nodes along all paths to root must be constant ok 6696 item count consistency ok 6697 node color must be red or black ok 6698 number of black nodes along all paths to root must be constant ok 6699 item count consistency ok 6700 number of black nodes along all paths to root must be constant ok 6701 item count consistency ok 6702 node color must be red or black ok 6703 left tree order invariant ok 6704 right tree order invariant ok 6705 node color must be red or black ok 6706 number of black nodes along all paths to root must be constant ok 6707 item count consistency ok 6708 node color must be red or black ok 6709 number of black nodes along all paths to root must be constant ok 6710 item count consistency ok 6711 number of black nodes along all paths to root must be constant ok 6712 item count consistency ok 6713 number of black nodes along all paths to root must be constant ok 6714 item count consistency ok 6715 node color must be red or black ok 6716 left tree order invariant ok 6717 right tree order invariant ok 6718 children of red node must be black ok 6719 children of red node must be black ok 6720 left tree order invariant ok 6721 right tree order invariant ok 6722 node color must be red or black ok 6723 left tree order invariant ok 6724 right tree order invariant ok 6725 node color must be red or black ok 6726 number of black nodes along all paths to root must be constant ok 6727 item count consistency ok 6728 node color must be red or black ok 6729 number of black nodes along all paths to root must be constant ok 6730 item count consistency ok 6731 number of black nodes along all paths to root must be constant ok 6732 item count consistency ok 6733 node color must be red or black ok 6734 left tree order invariant ok 6735 right tree order invariant ok 6736 node color must be red or black ok 6737 number of black nodes along all paths to root must be constant ok 6738 item count consistency ok 6739 children of red node must be black ok 6740 children of red node must be black ok 6741 left tree order invariant ok 6742 right tree order invariant ok 6743 node color must be red or black ok 6744 number of black nodes along all paths to root must be constant ok 6745 item count consistency ok 6746 node color must be red or black ok 6747 left tree order invariant ok 6748 children of red node must be black ok 6749 children of red node must be black ok 6750 number of black nodes along all paths to root must be constant ok 6751 item count consistency ok 6752 number of black nodes along all paths to root must be constant ok 6753 item count consistency ok 6754 number of black nodes along all paths to root must be constant ok 6755 item count consistency ok 6756 number of black nodes along all paths to root must be constant ok 6757 item count consistency ok 6758 number of black nodes along all paths to root must be constant ok 6759 item count consistency ok 6760 node color must be red or black ok 6761 left tree order invariant ok 6762 right tree order invariant ok 6763 node color must be red or black ok 6764 number of black nodes along all paths to root must be constant ok 6765 item count consistency ok 6766 node color must be red or black ok 6767 number of black nodes along all paths to root must be constant ok 6768 item count consistency ok 6769 number of black nodes along all paths to root must be constant ok 6770 item count consistency ok 6771 number of black nodes along all paths to root must be constant ok 6772 item count consistency ok 6773 number of black nodes along all paths to root must be constant ok 6774 item count consistency ok 6775 children of red node must be black ok 6776 children of red node must be black ok 6777 left tree order invariant ok 6778 right tree order invariant ok 6779 node color must be red or black ok 6780 left tree order invariant ok 6781 right tree order invariant ok 6782 node color must be red or black ok 6783 left tree order invariant ok 6784 right tree order invariant ok 6785 node color must be red or black ok 6786 number of black nodes along all paths to root must be constant ok 6787 item count consistency ok 6788 node color must be red or black ok 6789 number of black nodes along all paths to root must be constant ok 6790 item count consistency ok 6791 number of black nodes along all paths to root must be constant ok 6792 item count consistency ok 6793 node color must be red or black ok 6794 left tree order invariant ok 6795 right tree order invariant ok 6796 node color must be red or black ok 6797 number of black nodes along all paths to root must be constant ok 6798 item count consistency ok 6799 node color must be red or black ok 6800 number of black nodes along all paths to root must be constant ok 6801 item count consistency ok 6802 number of black nodes along all paths to root must be constant ok 6803 item count consistency ok 6804 number of black nodes along all paths to root must be constant ok 6805 item count consistency ok 6806 node color must be red or black ok 6807 left tree order invariant ok 6808 right tree order invariant ok 6809 node color must be red or black ok 6810 left tree order invariant ok 6811 right tree order invariant ok 6812 node color must be red or black ok 6813 number of black nodes along all paths to root must be constant ok 6814 item count consistency ok 6815 node color must be red or black ok 6816 number of black nodes along all paths to root must be constant ok 6817 item count consistency ok 6818 number of black nodes along all paths to root must be constant ok 6819 item count consistency ok 6820 node color must be red or black ok 6821 left tree order invariant ok 6822 right tree order invariant ok 6823 node color must be red or black ok 6824 number of black nodes along all paths to root must be constant ok 6825 item count consistency ok 6826 node color must be red or black ok 6827 number of black nodes along all paths to root must be constant ok 6828 item count consistency ok 6829 number of black nodes along all paths to root must be constant ok 6830 item count consistency ok 6831 number of black nodes along all paths to root must be constant ok 6832 item count consistency ok 6833 number of black nodes along all paths to root must be constant ok 6834 item count consistency ok 6835 number of black nodes along all paths to root must be constant ok 6836 item count consistency ok 6837 tree length ok 6838 root is black ok 6839 node color must be red or black ok 6840 left tree order invariant ok 6841 right tree order invariant ok 6842 children of red node must be black ok 6843 children of red node must be black ok 6844 left tree order invariant ok 6845 right tree order invariant ok 6846 node color must be red or black ok 6847 left tree order invariant ok 6848 right tree order invariant ok 6849 node color must be red or black ok 6850 left tree order invariant ok 6851 right tree order invariant ok 6852 node color must be red or black ok 6853 number of black nodes along all paths to root must be constant ok 6854 item count consistency ok 6855 node color must be red or black ok 6856 number of black nodes along all paths to root must be constant ok 6857 item count consistency ok 6858 number of black nodes along all paths to root must be constant ok 6859 item count consistency ok 6860 node color must be red or black ok 6861 left tree order invariant ok 6862 right tree order invariant ok 6863 node color must be red or black ok 6864 number of black nodes along all paths to root must be constant ok 6865 item count consistency ok 6866 node color must be red or black ok 6867 number of black nodes along all paths to root must be constant ok 6868 item count consistency ok 6869 number of black nodes along all paths to root must be constant ok 6870 item count consistency ok 6871 number of black nodes along all paths to root must be constant ok 6872 item count consistency ok 6873 node color must be red or black ok 6874 left tree order invariant ok 6875 right tree order invariant ok 6876 children of red node must be black ok 6877 children of red node must be black ok 6878 left tree order invariant ok 6879 right tree order invariant ok 6880 node color must be red or black ok 6881 left tree order invariant ok 6882 right tree order invariant ok 6883 node color must be red or black ok 6884 number of black nodes along all paths to root must be constant ok 6885 item count consistency ok 6886 node color must be red or black ok 6887 number of black nodes along all paths to root must be constant ok 6888 item count consistency ok 6889 number of black nodes along all paths to root must be constant ok 6890 item count consistency ok 6891 node color must be red or black ok 6892 left tree order invariant ok 6893 right tree order invariant ok 6894 node color must be red or black ok 6895 number of black nodes along all paths to root must be constant ok 6896 item count consistency ok 6897 children of red node must be black ok 6898 children of red node must be black ok 6899 left tree order invariant ok 6900 right tree order invariant ok 6901 node color must be red or black ok 6902 number of black nodes along all paths to root must be constant ok 6903 item count consistency ok 6904 node color must be red or black ok 6905 left tree order invariant ok 6906 right tree order invariant ok 6907 children of red node must be black ok 6908 children of red node must be black ok 6909 number of black nodes along all paths to root must be constant ok 6910 item count consistency ok 6911 children of red node must be black ok 6912 children of red node must be black ok 6913 number of black nodes along all paths to root must be constant ok 6914 item count consistency ok 6915 number of black nodes along all paths to root must be constant ok 6916 item count consistency ok 6917 number of black nodes along all paths to root must be constant ok 6918 item count consistency ok 6919 number of black nodes along all paths to root must be constant ok 6920 item count consistency ok 6921 number of black nodes along all paths to root must be constant ok 6922 item count consistency ok 6923 node color must be red or black ok 6924 left tree order invariant ok 6925 right tree order invariant ok 6926 node color must be red or black ok 6927 number of black nodes along all paths to root must be constant ok 6928 item count consistency ok 6929 node color must be red or black ok 6930 number of black nodes along all paths to root must be constant ok 6931 item count consistency ok 6932 number of black nodes along all paths to root must be constant ok 6933 item count consistency ok 6934 number of black nodes along all paths to root must be constant ok 6935 item count consistency ok 6936 number of black nodes along all paths to root must be constant ok 6937 item count consistency ok 6938 children of red node must be black ok 6939 children of red node must be black ok 6940 left tree order invariant ok 6941 right tree order invariant ok 6942 node color must be red or black ok 6943 left tree order invariant ok 6944 right tree order invariant ok 6945 node color must be red or black ok 6946 left tree order invariant ok 6947 right tree order invariant ok 6948 node color must be red or black ok 6949 number of black nodes along all paths to root must be constant ok 6950 item count consistency ok 6951 node color must be red or black ok 6952 number of black nodes along all paths to root must be constant ok 6953 item count consistency ok 6954 number of black nodes along all paths to root must be constant ok 6955 item count consistency ok 6956 node color must be red or black ok 6957 left tree order invariant ok 6958 right tree order invariant ok 6959 node color must be red or black ok 6960 number of black nodes along all paths to root must be constant ok 6961 item count consistency ok 6962 node color must be red or black ok 6963 number of black nodes along all paths to root must be constant ok 6964 item count consistency ok 6965 number of black nodes along all paths to root must be constant ok 6966 item count consistency ok 6967 number of black nodes along all paths to root must be constant ok 6968 item count consistency ok 6969 node color must be red or black ok 6970 left tree order invariant ok 6971 right tree order invariant ok 6972 node color must be red or black ok 6973 left tree order invariant ok 6974 right tree order invariant ok 6975 node color must be red or black ok 6976 number of black nodes along all paths to root must be constant ok 6977 item count consistency ok 6978 node color must be red or black ok 6979 number of black nodes along all paths to root must be constant ok 6980 item count consistency ok 6981 number of black nodes along all paths to root must be constant ok 6982 item count consistency ok 6983 node color must be red or black ok 6984 left tree order invariant ok 6985 right tree order invariant ok 6986 node color must be red or black ok 6987 number of black nodes along all paths to root must be constant ok 6988 item count consistency ok 6989 node color must be red or black ok 6990 number of black nodes along all paths to root must be constant ok 6991 item count consistency ok 6992 number of black nodes along all paths to root must be constant ok 6993 item count consistency ok 6994 number of black nodes along all paths to root must be constant ok 6995 item count consistency ok 6996 number of black nodes along all paths to root must be constant ok 6997 item count consistency ok 6998 number of black nodes along all paths to root must be constant ok 6999 item count consistency ok 7000 tree length ok 7001 should be equal ok 7002 should be equal ok 7003 should be equal ok 7004 should be equal ok 7005 should be equal ok 7006 should be equal ok 7007 should be equal ok 7008 should be equal ok 7009 should be equal ok 7010 should be equal ok 7011 should be equal ok 7012 should be equal ok 7013 should be equal ok 7014 should be equal ok 7015 should be equal ok 7016 should be equal ok 7017 should be equal ok 7018 should be equal ok 7019 should be equal ok 7020 should be equal ok 7021 should be equal ok 7022 should be equal ok 7023 should be equal ok 7024 should be equal ok 7025 should be equal ok 7026 should be equal ok 7027 should be equal ok 7028 should be equal ok 7029 should be equal ok 7030 should be equal ok 7031 should be equal ok 7032 should be equal ok 7033 should be equal ok 7034 should be equal ok 7035 should be equal ok 7036 should be equal ok 7037 should be equal ok 7038 should be equal ok 7039 should be equal ok 7040 root is black ok 7041 node color must be red or black ok 7042 left tree order invariant ok 7043 right tree order invariant ok 7044 children of red node must be black ok 7045 children of red node must be black ok 7046 left tree order invariant ok 7047 right tree order invariant ok 7048 node color must be red or black ok 7049 left tree order invariant ok 7050 right tree order invariant ok 7051 node color must be red or black ok 7052 left tree order invariant ok 7053 right tree order invariant ok 7054 node color must be red or black ok 7055 number of black nodes along all paths to root must be constant ok 7056 item count consistency ok 7057 node color must be red or black ok 7058 number of black nodes along all paths to root must be constant ok 7059 item count consistency ok 7060 number of black nodes along all paths to root must be constant ok 7061 item count consistency ok 7062 node color must be red or black ok 7063 left tree order invariant ok 7064 right tree order invariant ok 7065 node color must be red or black ok 7066 number of black nodes along all paths to root must be constant ok 7067 item count consistency ok 7068 node color must be red or black ok 7069 number of black nodes along all paths to root must be constant ok 7070 item count consistency ok 7071 number of black nodes along all paths to root must be constant ok 7072 item count consistency ok 7073 number of black nodes along all paths to root must be constant ok 7074 item count consistency ok 7075 node color must be red or black ok 7076 left tree order invariant ok 7077 right tree order invariant ok 7078 children of red node must be black ok 7079 children of red node must be black ok 7080 left tree order invariant ok 7081 right tree order invariant ok 7082 node color must be red or black ok 7083 left tree order invariant ok 7084 right tree order invariant ok 7085 node color must be red or black ok 7086 number of black nodes along all paths to root must be constant ok 7087 item count consistency ok 7088 node color must be red or black ok 7089 number of black nodes along all paths to root must be constant ok 7090 item count consistency ok 7091 number of black nodes along all paths to root must be constant ok 7092 item count consistency ok 7093 node color must be red or black ok 7094 left tree order invariant ok 7095 right tree order invariant ok 7096 node color must be red or black ok 7097 number of black nodes along all paths to root must be constant ok 7098 item count consistency ok 7099 children of red node must be black ok 7100 children of red node must be black ok 7101 left tree order invariant ok 7102 right tree order invariant ok 7103 node color must be red or black ok 7104 number of black nodes along all paths to root must be constant ok 7105 item count consistency ok 7106 node color must be red or black ok 7107 left tree order invariant ok 7108 right tree order invariant ok 7109 children of red node must be black ok 7110 children of red node must be black ok 7111 number of black nodes along all paths to root must be constant ok 7112 item count consistency ok 7113 children of red node must be black ok 7114 children of red node must be black ok 7115 number of black nodes along all paths to root must be constant ok 7116 item count consistency ok 7117 number of black nodes along all paths to root must be constant ok 7118 item count consistency ok 7119 number of black nodes along all paths to root must be constant ok 7120 item count consistency ok 7121 number of black nodes along all paths to root must be constant ok 7122 item count consistency ok 7123 number of black nodes along all paths to root must be constant ok 7124 item count consistency ok 7125 node color must be red or black ok 7126 left tree order invariant ok 7127 right tree order invariant ok 7128 node color must be red or black ok 7129 number of black nodes along all paths to root must be constant ok 7130 item count consistency ok 7131 node color must be red or black ok 7132 number of black nodes along all paths to root must be constant ok 7133 item count consistency ok 7134 number of black nodes along all paths to root must be constant ok 7135 item count consistency ok 7136 number of black nodes along all paths to root must be constant ok 7137 item count consistency ok 7138 number of black nodes along all paths to root must be constant ok 7139 item count consistency ok 7140 children of red node must be black ok 7141 children of red node must be black ok 7142 left tree order invariant ok 7143 right tree order invariant ok 7144 node color must be red or black ok 7145 left tree order invariant ok 7146 right tree order invariant ok 7147 node color must be red or black ok 7148 left tree order invariant ok 7149 right tree order invariant ok 7150 node color must be red or black ok 7151 number of black nodes along all paths to root must be constant ok 7152 item count consistency ok 7153 node color must be red or black ok 7154 number of black nodes along all paths to root must be constant ok 7155 item count consistency ok 7156 number of black nodes along all paths to root must be constant ok 7157 item count consistency ok 7158 node color must be red or black ok 7159 left tree order invariant ok 7160 right tree order invariant ok 7161 node color must be red or black ok 7162 number of black nodes along all paths to root must be constant ok 7163 item count consistency ok 7164 node color must be red or black ok 7165 number of black nodes along all paths to root must be constant ok 7166 item count consistency ok 7167 number of black nodes along all paths to root must be constant ok 7168 item count consistency ok 7169 number of black nodes along all paths to root must be constant ok 7170 item count consistency ok 7171 node color must be red or black ok 7172 left tree order invariant ok 7173 right tree order invariant ok 7174 node color must be red or black ok 7175 left tree order invariant ok 7176 right tree order invariant ok 7177 node color must be red or black ok 7178 number of black nodes along all paths to root must be constant ok 7179 item count consistency ok 7180 node color must be red or black ok 7181 number of black nodes along all paths to root must be constant ok 7182 item count consistency ok 7183 number of black nodes along all paths to root must be constant ok 7184 item count consistency ok 7185 node color must be red or black ok 7186 left tree order invariant ok 7187 right tree order invariant ok 7188 node color must be red or black ok 7189 number of black nodes along all paths to root must be constant ok 7190 item count consistency ok 7191 node color must be red or black ok 7192 number of black nodes along all paths to root must be constant ok 7193 item count consistency ok 7194 number of black nodes along all paths to root must be constant ok 7195 item count consistency ok 7196 number of black nodes along all paths to root must be constant ok 7197 item count consistency ok 7198 number of black nodes along all paths to root must be constant ok 7199 item count consistency ok 7200 number of black nodes along all paths to root must be constant ok 7201 item count consistency ok 7202 tree length ok 7203 root is black ok 7204 node color must be red or black ok 7205 left tree order invariant ok 7206 right tree order invariant ok 7207 children of red node must be black ok 7208 children of red node must be black ok 7209 left tree order invariant ok 7210 right tree order invariant ok 7211 node color must be red or black ok 7212 left tree order invariant ok 7213 right tree order invariant ok 7214 node color must be red or black ok 7215 left tree order invariant ok 7216 right tree order invariant ok 7217 node color must be red or black ok 7218 number of black nodes along all paths to root must be constant ok 7219 item count consistency ok 7220 node color must be red or black ok 7221 number of black nodes along all paths to root must be constant ok 7222 item count consistency ok 7223 number of black nodes along all paths to root must be constant ok 7224 item count consistency ok 7225 node color must be red or black ok 7226 left tree order invariant ok 7227 right tree order invariant ok 7228 node color must be red or black ok 7229 number of black nodes along all paths to root must be constant ok 7230 item count consistency ok 7231 node color must be red or black ok 7232 number of black nodes along all paths to root must be constant ok 7233 item count consistency ok 7234 number of black nodes along all paths to root must be constant ok 7235 item count consistency ok 7236 number of black nodes along all paths to root must be constant ok 7237 item count consistency ok 7238 node color must be red or black ok 7239 left tree order invariant ok 7240 right tree order invariant ok 7241 children of red node must be black ok 7242 children of red node must be black ok 7243 left tree order invariant ok 7244 right tree order invariant ok 7245 node color must be red or black ok 7246 left tree order invariant ok 7247 right tree order invariant ok 7248 node color must be red or black ok 7249 number of black nodes along all paths to root must be constant ok 7250 item count consistency ok 7251 node color must be red or black ok 7252 number of black nodes along all paths to root must be constant ok 7253 item count consistency ok 7254 number of black nodes along all paths to root must be constant ok 7255 item count consistency ok 7256 node color must be red or black ok 7257 left tree order invariant ok 7258 right tree order invariant ok 7259 children of red node must be black ok 7260 children of red node must be black ok 7261 left tree order invariant ok 7262 right tree order invariant ok 7263 node color must be red or black ok 7264 number of black nodes along all paths to root must be constant ok 7265 item count consistency ok 7266 node color must be red or black ok 7267 number of black nodes along all paths to root must be constant ok 7268 item count consistency ok 7269 number of black nodes along all paths to root must be constant ok 7270 item count consistency ok 7271 children of red node must be black ok 7272 children of red node must be black ok 7273 left tree order invariant ok 7274 right tree order invariant ok 7275 node color must be red or black ok 7276 number of black nodes along all paths to root must be constant ok 7277 item count consistency ok 7278 node color must be red or black ok 7279 left tree order invariant ok 7280 children of red node must be black ok 7281 children of red node must be black ok 7282 number of black nodes along all paths to root must be constant ok 7283 item count consistency ok 7284 number of black nodes along all paths to root must be constant ok 7285 item count consistency ok 7286 number of black nodes along all paths to root must be constant ok 7287 item count consistency ok 7288 number of black nodes along all paths to root must be constant ok 7289 item count consistency ok 7290 number of black nodes along all paths to root must be constant ok 7291 item count consistency ok 7292 node color must be red or black ok 7293 left tree order invariant ok 7294 right tree order invariant ok 7295 node color must be red or black ok 7296 number of black nodes along all paths to root must be constant ok 7297 item count consistency ok 7298 node color must be red or black ok 7299 number of black nodes along all paths to root must be constant ok 7300 item count consistency ok 7301 number of black nodes along all paths to root must be constant ok 7302 item count consistency ok 7303 number of black nodes along all paths to root must be constant ok 7304 item count consistency ok 7305 number of black nodes along all paths to root must be constant ok 7306 item count consistency ok 7307 children of red node must be black ok 7308 children of red node must be black ok 7309 left tree order invariant ok 7310 right tree order invariant ok 7311 node color must be red or black ok 7312 left tree order invariant ok 7313 right tree order invariant ok 7314 node color must be red or black ok 7315 left tree order invariant ok 7316 right tree order invariant ok 7317 node color must be red or black ok 7318 number of black nodes along all paths to root must be constant ok 7319 item count consistency ok 7320 node color must be red or black ok 7321 number of black nodes along all paths to root must be constant ok 7322 item count consistency ok 7323 number of black nodes along all paths to root must be constant ok 7324 item count consistency ok 7325 node color must be red or black ok 7326 left tree order invariant ok 7327 right tree order invariant ok 7328 node color must be red or black ok 7329 number of black nodes along all paths to root must be constant ok 7330 item count consistency ok 7331 node color must be red or black ok 7332 number of black nodes along all paths to root must be constant ok 7333 item count consistency ok 7334 number of black nodes along all paths to root must be constant ok 7335 item count consistency ok 7336 number of black nodes along all paths to root must be constant ok 7337 item count consistency ok 7338 node color must be red or black ok 7339 left tree order invariant ok 7340 right tree order invariant ok 7341 node color must be red or black ok 7342 left tree order invariant ok 7343 right tree order invariant ok 7344 node color must be red or black ok 7345 number of black nodes along all paths to root must be constant ok 7346 item count consistency ok 7347 node color must be red or black ok 7348 number of black nodes along all paths to root must be constant ok 7349 item count consistency ok 7350 number of black nodes along all paths to root must be constant ok 7351 item count consistency ok 7352 node color must be red or black ok 7353 left tree order invariant ok 7354 right tree order invariant ok 7355 node color must be red or black ok 7356 number of black nodes along all paths to root must be constant ok 7357 item count consistency ok 7358 node color must be red or black ok 7359 number of black nodes along all paths to root must be constant ok 7360 item count consistency ok 7361 number of black nodes along all paths to root must be constant ok 7362 item count consistency ok 7363 number of black nodes along all paths to root must be constant ok 7364 item count consistency ok 7365 number of black nodes along all paths to root must be constant ok 7366 item count consistency ok 7367 number of black nodes along all paths to root must be constant ok 7368 item count consistency ok 7369 tree length ok 7370 should be equal ok 7371 should be equal ok 7372 should be equal ok 7373 should be equal ok 7374 should be equal ok 7375 should be equal ok 7376 should be equal ok 7377 should be equal ok 7378 should be equal ok 7379 should be equal ok 7380 should be equal ok 7381 should be equal ok 7382 should be equal ok 7383 should be equal ok 7384 should be equal ok 7385 should be equal ok 7386 should be equal ok 7387 should be equal ok 7388 should be equal ok 7389 should be equal ok 7390 should be equal ok 7391 should be equal ok 7392 should be equal ok 7393 should be equal ok 7394 should be equal ok 7395 should be equal ok 7396 should be equal ok 7397 should be equal ok 7398 should be equal ok 7399 should be equal ok 7400 should be equal ok 7401 should be equal ok 7402 should be equal ok 7403 should be equal ok 7404 should be equal ok 7405 should be equal ok 7406 should be equal ok 7407 should be equal ok 7408 should be equal ok 7409 should be equal ok 7410 root is black ok 7411 node color must be red or black ok 7412 left tree order invariant ok 7413 right tree order invariant ok 7414 children of red node must be black ok 7415 children of red node must be black ok 7416 left tree order invariant ok 7417 right tree order invariant ok 7418 node color must be red or black ok 7419 left tree order invariant ok 7420 right tree order invariant ok 7421 node color must be red or black ok 7422 left tree order invariant ok 7423 right tree order invariant ok 7424 node color must be red or black ok 7425 number of black nodes along all paths to root must be constant ok 7426 item count consistency ok 7427 node color must be red or black ok 7428 number of black nodes along all paths to root must be constant ok 7429 item count consistency ok 7430 number of black nodes along all paths to root must be constant ok 7431 item count consistency ok 7432 node color must be red or black ok 7433 left tree order invariant ok 7434 right tree order invariant ok 7435 node color must be red or black ok 7436 number of black nodes along all paths to root must be constant ok 7437 item count consistency ok 7438 node color must be red or black ok 7439 number of black nodes along all paths to root must be constant ok 7440 item count consistency ok 7441 number of black nodes along all paths to root must be constant ok 7442 item count consistency ok 7443 number of black nodes along all paths to root must be constant ok 7444 item count consistency ok 7445 node color must be red or black ok 7446 left tree order invariant ok 7447 right tree order invariant ok 7448 children of red node must be black ok 7449 children of red node must be black ok 7450 left tree order invariant ok 7451 right tree order invariant ok 7452 node color must be red or black ok 7453 left tree order invariant ok 7454 right tree order invariant ok 7455 node color must be red or black ok 7456 number of black nodes along all paths to root must be constant ok 7457 item count consistency ok 7458 node color must be red or black ok 7459 number of black nodes along all paths to root must be constant ok 7460 item count consistency ok 7461 number of black nodes along all paths to root must be constant ok 7462 item count consistency ok 7463 node color must be red or black ok 7464 left tree order invariant ok 7465 right tree order invariant ok 7466 children of red node must be black ok 7467 children of red node must be black ok 7468 left tree order invariant ok 7469 right tree order invariant ok 7470 node color must be red or black ok 7471 number of black nodes along all paths to root must be constant ok 7472 item count consistency ok 7473 node color must be red or black ok 7474 number of black nodes along all paths to root must be constant ok 7475 item count consistency ok 7476 number of black nodes along all paths to root must be constant ok 7477 item count consistency ok 7478 children of red node must be black ok 7479 children of red node must be black ok 7480 left tree order invariant ok 7481 right tree order invariant ok 7482 node color must be red or black ok 7483 number of black nodes along all paths to root must be constant ok 7484 item count consistency ok 7485 node color must be red or black ok 7486 left tree order invariant ok 7487 children of red node must be black ok 7488 children of red node must be black ok 7489 number of black nodes along all paths to root must be constant ok 7490 item count consistency ok 7491 number of black nodes along all paths to root must be constant ok 7492 item count consistency ok 7493 number of black nodes along all paths to root must be constant ok 7494 item count consistency ok 7495 number of black nodes along all paths to root must be constant ok 7496 item count consistency ok 7497 number of black nodes along all paths to root must be constant ok 7498 item count consistency ok 7499 node color must be red or black ok 7500 left tree order invariant ok 7501 right tree order invariant ok 7502 node color must be red or black ok 7503 number of black nodes along all paths to root must be constant ok 7504 item count consistency ok 7505 node color must be red or black ok 7506 number of black nodes along all paths to root must be constant ok 7507 item count consistency ok 7508 number of black nodes along all paths to root must be constant ok 7509 item count consistency ok 7510 number of black nodes along all paths to root must be constant ok 7511 item count consistency ok 7512 number of black nodes along all paths to root must be constant ok 7513 item count consistency ok 7514 children of red node must be black ok 7515 children of red node must be black ok 7516 left tree order invariant ok 7517 right tree order invariant ok 7518 node color must be red or black ok 7519 left tree order invariant ok 7520 right tree order invariant ok 7521 node color must be red or black ok 7522 left tree order invariant ok 7523 right tree order invariant ok 7524 node color must be red or black ok 7525 number of black nodes along all paths to root must be constant ok 7526 item count consistency ok 7527 node color must be red or black ok 7528 number of black nodes along all paths to root must be constant ok 7529 item count consistency ok 7530 number of black nodes along all paths to root must be constant ok 7531 item count consistency ok 7532 node color must be red or black ok 7533 left tree order invariant ok 7534 right tree order invariant ok 7535 node color must be red or black ok 7536 number of black nodes along all paths to root must be constant ok 7537 item count consistency ok 7538 node color must be red or black ok 7539 number of black nodes along all paths to root must be constant ok 7540 item count consistency ok 7541 number of black nodes along all paths to root must be constant ok 7542 item count consistency ok 7543 number of black nodes along all paths to root must be constant ok 7544 item count consistency ok 7545 node color must be red or black ok 7546 left tree order invariant ok 7547 right tree order invariant ok 7548 node color must be red or black ok 7549 left tree order invariant ok 7550 right tree order invariant ok 7551 node color must be red or black ok 7552 number of black nodes along all paths to root must be constant ok 7553 item count consistency ok 7554 node color must be red or black ok 7555 number of black nodes along all paths to root must be constant ok 7556 item count consistency ok 7557 number of black nodes along all paths to root must be constant ok 7558 item count consistency ok 7559 node color must be red or black ok 7560 left tree order invariant ok 7561 right tree order invariant ok 7562 node color must be red or black ok 7563 number of black nodes along all paths to root must be constant ok 7564 item count consistency ok 7565 node color must be red or black ok 7566 number of black nodes along all paths to root must be constant ok 7567 item count consistency ok 7568 number of black nodes along all paths to root must be constant ok 7569 item count consistency ok 7570 number of black nodes along all paths to root must be constant ok 7571 item count consistency ok 7572 number of black nodes along all paths to root must be constant ok 7573 item count consistency ok 7574 number of black nodes along all paths to root must be constant ok 7575 item count consistency ok 7576 tree length ok 7577 root is black ok 7578 node color must be red or black ok 7579 left tree order invariant ok 7580 right tree order invariant ok 7581 children of red node must be black ok 7582 children of red node must be black ok 7583 left tree order invariant ok 7584 right tree order invariant ok 7585 node color must be red or black ok 7586 left tree order invariant ok 7587 right tree order invariant ok 7588 node color must be red or black ok 7589 left tree order invariant ok 7590 right tree order invariant ok 7591 node color must be red or black ok 7592 number of black nodes along all paths to root must be constant ok 7593 item count consistency ok 7594 node color must be red or black ok 7595 number of black nodes along all paths to root must be constant ok 7596 item count consistency ok 7597 number of black nodes along all paths to root must be constant ok 7598 item count consistency ok 7599 node color must be red or black ok 7600 left tree order invariant ok 7601 right tree order invariant ok 7602 node color must be red or black ok 7603 number of black nodes along all paths to root must be constant ok 7604 item count consistency ok 7605 node color must be red or black ok 7606 number of black nodes along all paths to root must be constant ok 7607 item count consistency ok 7608 number of black nodes along all paths to root must be constant ok 7609 item count consistency ok 7610 number of black nodes along all paths to root must be constant ok 7611 item count consistency ok 7612 node color must be red or black ok 7613 left tree order invariant ok 7614 right tree order invariant ok 7615 children of red node must be black ok 7616 children of red node must be black ok 7617 left tree order invariant ok 7618 right tree order invariant ok 7619 node color must be red or black ok 7620 left tree order invariant ok 7621 right tree order invariant ok 7622 node color must be red or black ok 7623 number of black nodes along all paths to root must be constant ok 7624 item count consistency ok 7625 node color must be red or black ok 7626 number of black nodes along all paths to root must be constant ok 7627 item count consistency ok 7628 number of black nodes along all paths to root must be constant ok 7629 item count consistency ok 7630 node color must be red or black ok 7631 left tree order invariant ok 7632 right tree order invariant ok 7633 children of red node must be black ok 7634 children of red node must be black ok 7635 left tree order invariant ok 7636 right tree order invariant ok 7637 node color must be red or black ok 7638 number of black nodes along all paths to root must be constant ok 7639 item count consistency ok 7640 node color must be red or black ok 7641 number of black nodes along all paths to root must be constant ok 7642 item count consistency ok 7643 number of black nodes along all paths to root must be constant ok 7644 item count consistency ok 7645 children of red node must be black ok 7646 children of red node must be black ok 7647 left tree order invariant ok 7648 right tree order invariant ok 7649 node color must be red or black ok 7650 number of black nodes along all paths to root must be constant ok 7651 item count consistency ok 7652 node color must be red or black ok 7653 left tree order invariant ok 7654 right tree order invariant ok 7655 children of red node must be black ok 7656 children of red node must be black ok 7657 number of black nodes along all paths to root must be constant ok 7658 item count consistency ok 7659 children of red node must be black ok 7660 children of red node must be black ok 7661 number of black nodes along all paths to root must be constant ok 7662 item count consistency ok 7663 number of black nodes along all paths to root must be constant ok 7664 item count consistency ok 7665 number of black nodes along all paths to root must be constant ok 7666 item count consistency ok 7667 number of black nodes along all paths to root must be constant ok 7668 item count consistency ok 7669 number of black nodes along all paths to root must be constant ok 7670 item count consistency ok 7671 node color must be red or black ok 7672 left tree order invariant ok 7673 right tree order invariant ok 7674 node color must be red or black ok 7675 number of black nodes along all paths to root must be constant ok 7676 item count consistency ok 7677 node color must be red or black ok 7678 number of black nodes along all paths to root must be constant ok 7679 item count consistency ok 7680 number of black nodes along all paths to root must be constant ok 7681 item count consistency ok 7682 number of black nodes along all paths to root must be constant ok 7683 item count consistency ok 7684 number of black nodes along all paths to root must be constant ok 7685 item count consistency ok 7686 children of red node must be black ok 7687 children of red node must be black ok 7688 left tree order invariant ok 7689 right tree order invariant ok 7690 node color must be red or black ok 7691 left tree order invariant ok 7692 right tree order invariant ok 7693 node color must be red or black ok 7694 left tree order invariant ok 7695 right tree order invariant ok 7696 node color must be red or black ok 7697 number of black nodes along all paths to root must be constant ok 7698 item count consistency ok 7699 node color must be red or black ok 7700 number of black nodes along all paths to root must be constant ok 7701 item count consistency ok 7702 number of black nodes along all paths to root must be constant ok 7703 item count consistency ok 7704 node color must be red or black ok 7705 left tree order invariant ok 7706 right tree order invariant ok 7707 node color must be red or black ok 7708 number of black nodes along all paths to root must be constant ok 7709 item count consistency ok 7710 node color must be red or black ok 7711 number of black nodes along all paths to root must be constant ok 7712 item count consistency ok 7713 number of black nodes along all paths to root must be constant ok 7714 item count consistency ok 7715 number of black nodes along all paths to root must be constant ok 7716 item count consistency ok 7717 node color must be red or black ok 7718 left tree order invariant ok 7719 right tree order invariant ok 7720 node color must be red or black ok 7721 left tree order invariant ok 7722 right tree order invariant ok 7723 node color must be red or black ok 7724 number of black nodes along all paths to root must be constant ok 7725 item count consistency ok 7726 node color must be red or black ok 7727 number of black nodes along all paths to root must be constant ok 7728 item count consistency ok 7729 number of black nodes along all paths to root must be constant ok 7730 item count consistency ok 7731 node color must be red or black ok 7732 left tree order invariant ok 7733 right tree order invariant ok 7734 node color must be red or black ok 7735 number of black nodes along all paths to root must be constant ok 7736 item count consistency ok 7737 node color must be red or black ok 7738 number of black nodes along all paths to root must be constant ok 7739 item count consistency ok 7740 number of black nodes along all paths to root must be constant ok 7741 item count consistency ok 7742 number of black nodes along all paths to root must be constant ok 7743 item count consistency ok 7744 number of black nodes along all paths to root must be constant ok 7745 item count consistency ok 7746 number of black nodes along all paths to root must be constant ok 7747 item count consistency ok 7748 tree length ok 7749 should be equal ok 7750 should be equal ok 7751 should be equal ok 7752 should be equal ok 7753 should be equal ok 7754 should be equal ok 7755 should be equal ok 7756 should be equal ok 7757 should be equal ok 7758 should be equal ok 7759 should be equal ok 7760 should be equal ok 7761 should be equal ok 7762 should be equal ok 7763 should be equal ok 7764 should be equal ok 7765 should be equal ok 7766 should be equal ok 7767 should be equal ok 7768 should be equal ok 7769 should be equal ok 7770 should be equal ok 7771 should be equal ok 7772 should be equal ok 7773 should be equal ok 7774 should be equal ok 7775 should be equal ok 7776 should be equal ok 7777 should be equal ok 7778 should be equal ok 7779 should be equal ok 7780 should be equal ok 7781 should be equal ok 7782 should be equal ok 7783 should be equal ok 7784 should be equal ok 7785 should be equal ok 7786 should be equal ok 7787 should be equal ok 7788 should be equal ok 7789 should be equal ok 7790 checking at() ok 7791 checking iter ok 7792 checking index ok 7793 checking valid ok 7794 hasNext() ok 7795 checking at() ok 7796 checking iter ok 7797 checking index ok 7798 checking valid ok 7799 hasNext() ok 7800 checking at() ok 7801 checking iter ok 7802 checking index ok 7803 checking valid ok 7804 hasNext() ok 7805 checking at() ok 7806 checking iter ok 7807 checking index ok 7808 checking valid ok 7809 hasNext() ok 7810 checking at() ok 7811 checking iter ok 7812 checking index ok 7813 checking valid ok 7814 hasNext() ok 7815 checking at() ok 7816 checking iter ok 7817 checking index ok 7818 checking valid ok 7819 hasNext() ok 7820 checking at() ok 7821 checking iter ok 7822 checking index ok 7823 checking valid ok 7824 hasNext() ok 7825 checking at() ok 7826 checking iter ok 7827 checking index ok 7828 checking valid ok 7829 hasNext() ok 7830 checking at() ok 7831 checking iter ok 7832 checking index ok 7833 checking valid ok 7834 hasNext() ok 7835 checking at() ok 7836 checking iter ok 7837 checking index ok 7838 checking valid ok 7839 hasNext() ok 7840 checking at() ok 7841 checking iter ok 7842 checking index ok 7843 checking valid ok 7844 hasNext() ok 7845 checking at() ok 7846 checking iter ok 7847 checking index ok 7848 checking valid ok 7849 hasNext() ok 7850 checking at() ok 7851 checking iter ok 7852 checking index ok 7853 checking valid ok 7854 hasNext() ok 7855 checking at() ok 7856 checking iter ok 7857 checking index ok 7858 checking valid ok 7859 hasNext() ok 7860 checking at() ok 7861 checking iter ok 7862 checking index ok 7863 checking valid ok 7864 hasNext() ok 7865 checking at() ok 7866 checking iter ok 7867 checking index ok 7868 checking valid ok 7869 hasNext() ok 7870 checking at() ok 7871 checking iter ok 7872 checking index ok 7873 checking valid ok 7874 hasNext() ok 7875 checking at() ok 7876 checking iter ok 7877 checking index ok 7878 checking valid ok 7879 hasNext() ok 7880 checking at() ok 7881 checking iter ok 7882 checking index ok 7883 checking valid ok 7884 hasNext() ok 7885 checking at() ok 7886 checking iter ok 7887 checking index ok 7888 checking valid ok 7889 hasNext() ok 7890 checking at() ok 7891 checking iter ok 7892 checking index ok 7893 checking valid ok 7894 hasNext() ok 7895 checking at() ok 7896 checking iter ok 7897 checking index ok 7898 checking valid ok 7899 hasNext() ok 7900 checking at() ok 7901 checking iter ok 7902 checking index ok 7903 checking valid ok 7904 hasNext() ok 7905 checking at() ok 7906 checking iter ok 7907 checking index ok 7908 checking valid ok 7909 hasNext() ok 7910 checking at() ok 7911 checking iter ok 7912 checking index ok 7913 checking valid ok 7914 hasNext() ok 7915 checking at() ok 7916 checking iter ok 7917 checking index ok 7918 checking valid ok 7919 hasNext() ok 7920 checking at() ok 7921 checking iter ok 7922 checking index ok 7923 checking valid ok 7924 hasNext() ok 7925 checking at() ok 7926 checking iter ok 7927 checking index ok 7928 checking valid ok 7929 hasNext() ok 7930 checking at() ok 7931 checking iter ok 7932 checking index ok 7933 checking valid ok 7934 hasNext() ok 7935 checking at() ok 7936 checking iter ok 7937 checking index ok 7938 checking valid ok 7939 hasNext() ok 7940 checking at() ok 7941 checking iter ok 7942 checking index ok 7943 checking valid ok 7944 hasNext() ok 7945 checking at() ok 7946 checking iter ok 7947 checking index ok 7948 checking valid ok 7949 hasNext() ok 7950 checking at() ok 7951 checking iter ok 7952 checking index ok 7953 checking valid ok 7954 hasNext() ok 7955 checking at() ok 7956 checking iter ok 7957 checking index ok 7958 checking valid ok 7959 hasNext() ok 7960 checking at() ok 7961 checking iter ok 7962 checking index ok 7963 checking valid ok 7964 hasNext() ok 7965 checking at() ok 7966 checking iter ok 7967 checking index ok 7968 checking valid ok 7969 hasNext() ok 7970 checking at() ok 7971 checking iter ok 7972 checking index ok 7973 checking valid ok 7974 hasNext() ok 7975 checking at() ok 7976 checking iter ok 7977 checking index ok 7978 checking valid ok 7979 hasNext() ok 7980 checking at() ok 7981 checking iter ok 7982 checking index ok 7983 checking valid ok 7984 hasNext() ok 7985 checking at() ok 7986 checking iter ok 7987 checking index ok 7988 checking valid ok 7989 hasNext() ok 7990 checking at() ok 7991 checking iter ok 7992 checking index ok 7993 checking valid ok 7994 eof hasNext() ok 7995 invalid eof iterator ok 7996 hasNext() at eof fail ok 7997 eof index # update() ok 7998 ensure no mutation ok 7999 ensure update applied ok 8000 root is black ok 8001 node color must be red or black ok 8002 left tree order invariant ok 8003 right tree order invariant ok 8004 node color must be red or black ok 8005 number of black nodes along all paths to root must be constant ok 8006 item count consistency ok 8007 children of red node must be black ok 8008 children of red node must be black ok 8009 left tree order invariant ok 8010 right tree order invariant ok 8011 node color must be red or black ok 8012 number of black nodes along all paths to root must be constant ok 8013 item count consistency ok 8014 node color must be red or black ok 8015 left tree order invariant ok 8016 right tree order invariant ok 8017 children of red node must be black ok 8018 children of red node must be black ok 8019 number of black nodes along all paths to root must be constant ok 8020 item count consistency ok 8021 children of red node must be black ok 8022 children of red node must be black ok 8023 number of black nodes along all paths to root must be constant ok 8024 item count consistency ok 8025 number of black nodes along all paths to root must be constant ok 8026 item count consistency ok 8027 number of black nodes along all paths to root must be constant ok 8028 item count consistency ok 8029 number of black nodes along all paths to root must be constant ok 8030 item count consistency ok 8031 tree length ok 8032 root is black ok 8033 node color must be red or black ok 8034 left tree order invariant ok 8035 right tree order invariant ok 8036 node color must be red or black ok 8037 number of black nodes along all paths to root must be constant ok 8038 item count consistency ok 8039 children of red node must be black ok 8040 children of red node must be black ok 8041 left tree order invariant ok 8042 right tree order invariant ok 8043 node color must be red or black ok 8044 number of black nodes along all paths to root must be constant ok 8045 item count consistency ok 8046 node color must be red or black ok 8047 left tree order invariant ok 8048 right tree order invariant ok 8049 children of red node must be black ok 8050 children of red node must be black ok 8051 number of black nodes along all paths to root must be constant ok 8052 item count consistency ok 8053 children of red node must be black ok 8054 children of red node must be black ok 8055 number of black nodes along all paths to root must be constant ok 8056 item count consistency ok 8057 number of black nodes along all paths to root must be constant ok 8058 item count consistency ok 8059 number of black nodes along all paths to root must be constant ok 8060 item count consistency ok 8061 number of black nodes along all paths to root must be constant ok 8062 item count consistency ok 8063 tree length ok 8064 ensure no mutation ok 8065 ensure update applied ok 8066 root is black ok 8067 node color must be red or black ok 8068 left tree order invariant ok 8069 right tree order invariant ok 8070 node color must be red or black ok 8071 number of black nodes along all paths to root must be constant ok 8072 item count consistency ok 8073 children of red node must be black ok 8074 children of red node must be black ok 8075 left tree order invariant ok 8076 right tree order invariant ok 8077 node color must be red or black ok 8078 number of black nodes along all paths to root must be constant ok 8079 item count consistency ok 8080 node color must be red or black ok 8081 left tree order invariant ok 8082 right tree order invariant ok 8083 children of red node must be black ok 8084 children of red node must be black ok 8085 number of black nodes along all paths to root must be constant ok 8086 item count consistency ok 8087 children of red node must be black ok 8088 children of red node must be black ok 8089 number of black nodes along all paths to root must be constant ok 8090 item count consistency ok 8091 number of black nodes along all paths to root must be constant ok 8092 item count consistency ok 8093 number of black nodes along all paths to root must be constant ok 8094 item count consistency ok 8095 number of black nodes along all paths to root must be constant ok 8096 item count consistency ok 8097 tree length ok 8098 root is black ok 8099 node color must be red or black ok 8100 left tree order invariant ok 8101 right tree order invariant ok 8102 node color must be red or black ok 8103 number of black nodes along all paths to root must be constant ok 8104 item count consistency ok 8105 children of red node must be black ok 8106 children of red node must be black ok 8107 left tree order invariant ok 8108 right tree order invariant ok 8109 node color must be red or black ok 8110 number of black nodes along all paths to root must be constant ok 8111 item count consistency ok 8112 node color must be red or black ok 8113 left tree order invariant ok 8114 right tree order invariant ok 8115 children of red node must be black ok 8116 children of red node must be black ok 8117 number of black nodes along all paths to root must be constant ok 8118 item count consistency ok 8119 children of red node must be black ok 8120 children of red node must be black ok 8121 number of black nodes along all paths to root must be constant ok 8122 item count consistency ok 8123 number of black nodes along all paths to root must be constant ok 8124 item count consistency ok 8125 number of black nodes along all paths to root must be constant ok 8126 item count consistency ok 8127 number of black nodes along all paths to root must be constant ok 8128 item count consistency ok 8129 tree length ok 8130 ensure no mutation ok 8131 ensure update applied ok 8132 root is black ok 8133 node color must be red or black ok 8134 left tree order invariant ok 8135 right tree order invariant ok 8136 node color must be red or black ok 8137 number of black nodes along all paths to root must be constant ok 8138 item count consistency ok 8139 children of red node must be black ok 8140 children of red node must be black ok 8141 left tree order invariant ok 8142 right tree order invariant ok 8143 node color must be red or black ok 8144 number of black nodes along all paths to root must be constant ok 8145 item count consistency ok 8146 node color must be red or black ok 8147 left tree order invariant ok 8148 right tree order invariant ok 8149 children of red node must be black ok 8150 children of red node must be black ok 8151 number of black nodes along all paths to root must be constant ok 8152 item count consistency ok 8153 children of red node must be black ok 8154 children of red node must be black ok 8155 number of black nodes along all paths to root must be constant ok 8156 item count consistency ok 8157 number of black nodes along all paths to root must be constant ok 8158 item count consistency ok 8159 number of black nodes along all paths to root must be constant ok 8160 item count consistency ok 8161 number of black nodes along all paths to root must be constant ok 8162 item count consistency ok 8163 tree length ok 8164 root is black ok 8165 node color must be red or black ok 8166 left tree order invariant ok 8167 right tree order invariant ok 8168 node color must be red or black ok 8169 number of black nodes along all paths to root must be constant ok 8170 item count consistency ok 8171 children of red node must be black ok 8172 children of red node must be black ok 8173 left tree order invariant ok 8174 right tree order invariant ok 8175 node color must be red or black ok 8176 number of black nodes along all paths to root must be constant ok 8177 item count consistency ok 8178 node color must be red or black ok 8179 left tree order invariant ok 8180 right tree order invariant ok 8181 children of red node must be black ok 8182 children of red node must be black ok 8183 number of black nodes along all paths to root must be constant ok 8184 item count consistency ok 8185 children of red node must be black ok 8186 children of red node must be black ok 8187 number of black nodes along all paths to root must be constant ok 8188 item count consistency ok 8189 number of black nodes along all paths to root must be constant ok 8190 item count consistency ok 8191 number of black nodes along all paths to root must be constant ok 8192 item count consistency ok 8193 number of black nodes along all paths to root must be constant ok 8194 item count consistency ok 8195 tree length ok 8196 ensure no mutation ok 8197 ensure update applied ok 8198 root is black ok 8199 node color must be red or black ok 8200 left tree order invariant ok 8201 right tree order invariant ok 8202 node color must be red or black ok 8203 number of black nodes along all paths to root must be constant ok 8204 item count consistency ok 8205 children of red node must be black ok 8206 children of red node must be black ok 8207 left tree order invariant ok 8208 right tree order invariant ok 8209 node color must be red or black ok 8210 number of black nodes along all paths to root must be constant ok 8211 item count consistency ok 8212 node color must be red or black ok 8213 left tree order invariant ok 8214 right tree order invariant ok 8215 children of red node must be black ok 8216 children of red node must be black ok 8217 number of black nodes along all paths to root must be constant ok 8218 item count consistency ok 8219 children of red node must be black ok 8220 children of red node must be black ok 8221 number of black nodes along all paths to root must be constant ok 8222 item count consistency ok 8223 number of black nodes along all paths to root must be constant ok 8224 item count consistency ok 8225 number of black nodes along all paths to root must be constant ok 8226 item count consistency ok 8227 number of black nodes along all paths to root must be constant ok 8228 item count consistency ok 8229 tree length ok 8230 root is black ok 8231 node color must be red or black ok 8232 left tree order invariant ok 8233 right tree order invariant ok 8234 node color must be red or black ok 8235 number of black nodes along all paths to root must be constant ok 8236 item count consistency ok 8237 children of red node must be black ok 8238 children of red node must be black ok 8239 left tree order invariant ok 8240 right tree order invariant ok 8241 node color must be red or black ok 8242 number of black nodes along all paths to root must be constant ok 8243 item count consistency ok 8244 node color must be red or black ok 8245 left tree order invariant ok 8246 right tree order invariant ok 8247 children of red node must be black ok 8248 children of red node must be black ok 8249 number of black nodes along all paths to root must be constant ok 8250 item count consistency ok 8251 children of red node must be black ok 8252 children of red node must be black ok 8253 number of black nodes along all paths to root must be constant ok 8254 item count consistency ok 8255 number of black nodes along all paths to root must be constant ok 8256 item count consistency ok 8257 number of black nodes along all paths to root must be constant ok 8258 item count consistency ok 8259 number of black nodes along all paths to root must be constant ok 8260 item count consistency ok 8261 tree length ok 8262 ensure no mutation ok 8263 ensure update applied ok 8264 root is black ok 8265 node color must be red or black ok 8266 left tree order invariant ok 8267 right tree order invariant ok 8268 node color must be red or black ok 8269 number of black nodes along all paths to root must be constant ok 8270 item count consistency ok 8271 children of red node must be black ok 8272 children of red node must be black ok 8273 left tree order invariant ok 8274 right tree order invariant ok 8275 node color must be red or black ok 8276 number of black nodes along all paths to root must be constant ok 8277 item count consistency ok 8278 node color must be red or black ok 8279 left tree order invariant ok 8280 right tree order invariant ok 8281 children of red node must be black ok 8282 children of red node must be black ok 8283 number of black nodes along all paths to root must be constant ok 8284 item count consistency ok 8285 children of red node must be black ok 8286 children of red node must be black ok 8287 number of black nodes along all paths to root must be constant ok 8288 item count consistency ok 8289 number of black nodes along all paths to root must be constant ok 8290 item count consistency ok 8291 number of black nodes along all paths to root must be constant ok 8292 item count consistency ok 8293 number of black nodes along all paths to root must be constant ok 8294 item count consistency ok 8295 tree length ok 8296 root is black ok 8297 node color must be red or black ok 8298 left tree order invariant ok 8299 right tree order invariant ok 8300 node color must be red or black ok 8301 number of black nodes along all paths to root must be constant ok 8302 item count consistency ok 8303 children of red node must be black ok 8304 children of red node must be black ok 8305 left tree order invariant ok 8306 right tree order invariant ok 8307 node color must be red or black ok 8308 number of black nodes along all paths to root must be constant ok 8309 item count consistency ok 8310 node color must be red or black ok 8311 left tree order invariant ok 8312 right tree order invariant ok 8313 children of red node must be black ok 8314 children of red node must be black ok 8315 number of black nodes along all paths to root must be constant ok 8316 item count consistency ok 8317 children of red node must be black ok 8318 children of red node must be black ok 8319 number of black nodes along all paths to root must be constant ok 8320 item count consistency ok 8321 number of black nodes along all paths to root must be constant ok 8322 item count consistency ok 8323 number of black nodes along all paths to root must be constant ok 8324 item count consistency ok 8325 number of black nodes along all paths to root must be constant ok 8326 item count consistency ok 8327 tree length ok 8328 ensure no mutation ok 8329 ensure update applied ok 8330 root is black ok 8331 node color must be red or black ok 8332 left tree order invariant ok 8333 right tree order invariant ok 8334 node color must be red or black ok 8335 number of black nodes along all paths to root must be constant ok 8336 item count consistency ok 8337 children of red node must be black ok 8338 children of red node must be black ok 8339 left tree order invariant ok 8340 right tree order invariant ok 8341 node color must be red or black ok 8342 number of black nodes along all paths to root must be constant ok 8343 item count consistency ok 8344 node color must be red or black ok 8345 left tree order invariant ok 8346 right tree order invariant ok 8347 children of red node must be black ok 8348 children of red node must be black ok 8349 number of black nodes along all paths to root must be constant ok 8350 item count consistency ok 8351 children of red node must be black ok 8352 children of red node must be black ok 8353 number of black nodes along all paths to root must be constant ok 8354 item count consistency ok 8355 number of black nodes along all paths to root must be constant ok 8356 item count consistency ok 8357 number of black nodes along all paths to root must be constant ok 8358 item count consistency ok 8359 number of black nodes along all paths to root must be constant ok 8360 item count consistency ok 8361 tree length ok 8362 root is black ok 8363 node color must be red or black ok 8364 left tree order invariant ok 8365 right tree order invariant ok 8366 node color must be red or black ok 8367 number of black nodes along all paths to root must be constant ok 8368 item count consistency ok 8369 children of red node must be black ok 8370 children of red node must be black ok 8371 left tree order invariant ok 8372 right tree order invariant ok 8373 node color must be red or black ok 8374 number of black nodes along all paths to root must be constant ok 8375 item count consistency ok 8376 node color must be red or black ok 8377 left tree order invariant ok 8378 right tree order invariant ok 8379 children of red node must be black ok 8380 children of red node must be black ok 8381 number of black nodes along all paths to root must be constant ok 8382 item count consistency ok 8383 children of red node must be black ok 8384 children of red node must be black ok 8385 number of black nodes along all paths to root must be constant ok 8386 item count consistency ok 8387 number of black nodes along all paths to root must be constant ok 8388 item count consistency ok 8389 number of black nodes along all paths to root must be constant ok 8390 item count consistency ok 8391 number of black nodes along all paths to root must be constant ok 8392 item count consistency ok 8393 tree length # searching ok 8394 get 0 ok 8395 get 2 ok 8396 get 3 ok 8397 get 4 ok 8398 get 5 ok 8399 get missing ok 8400 ge simple ok 8401 ge run start ok 8402 ge run mid ok 8403 ge run end ok 8404 ge first ok 8405 ge last ok 8406 ge big ok 8407 ge small ok 8408 gt simple ok 8409 gt run start ok 8410 gt run mid ok 8411 gt run end ok 8412 gt first ok 8413 gt last ok 8414 gt big ok 8415 ge small ok 8416 le simple ok 8417 le run start ok 8418 le run mid ok 8419 le run end ok 8420 le first ok 8421 le last ok 8422 le big ok 8423 le small ok 8424 lt simple ok 8425 lt run start ok 8426 lt run mid ok 8427 lt run end ok 8428 lt first ok 8429 lt last ok 8430 lt big ok 8431 lt small ok 8432 find missing small ok 8433 find missing big ok 8434 find simple ok 8435 find repeat ok 8436 find repeat ok 8437 find 0 ok 8438 find 1 ok 8439 find 2 ok 8440 find 3 ok 8441 find 4 ok 8442 find 5 ok 8443 find 6 ok 8444 find 7 ok 8445 find 8 ok 8446 find 9 ok 8447 find 10 ok 8448 at 0 ok 8449 at 1 ok 8450 at 2 ok 8451 at 3 ok 8452 at 4 ok 8453 at 5 ok 8454 at 6 ok 8455 at 7 ok 8456 at 8 ok 8457 at 9 ok 8458 at 10 ok 8459 at missing small ok 8460 at missing big # slab-sequence ok 8461 root is black ok 8462 node color must be red or black ok 8463 number of black nodes along all paths to root must be constant ok 8464 item count consistency ok 8465 tree length ok 8466 should be equivalent ok 8467 root is black ok 8468 node color must be red or black ok 8469 right tree order invariant ok 8470 children of red node must be black ok 8471 children of red node must be black ok 8472 number of black nodes along all paths to root must be constant ok 8473 item count consistency ok 8474 number of black nodes along all paths to root must be constant ok 8475 item count consistency ok 8476 tree length ok 8477 should be equivalent ok 8478 root is black ok 8479 node color must be red or black ok 8480 left tree order invariant ok 8481 right tree order invariant ok 8482 children of red node must be black ok 8483 children of red node must be black ok 8484 number of black nodes along all paths to root must be constant ok 8485 item count consistency ok 8486 children of red node must be black ok 8487 children of red node must be black ok 8488 number of black nodes along all paths to root must be constant ok 8489 item count consistency ok 8490 number of black nodes along all paths to root must be constant ok 8491 item count consistency ok 8492 tree length ok 8493 should be equivalent ok 8494 root is black ok 8495 node color must be red or black ok 8496 left tree order invariant ok 8497 right tree order invariant ok 8498 node color must be red or black ok 8499 right tree order invariant ok 8500 children of red node must be black ok 8501 children of red node must be black ok 8502 number of black nodes along all paths to root must be constant ok 8503 item count consistency ok 8504 number of black nodes along all paths to root must be constant ok 8505 item count consistency ok 8506 node color must be red or black ok 8507 number of black nodes along all paths to root must be constant ok 8508 item count consistency ok 8509 number of black nodes along all paths to root must be constant ok 8510 item count consistency ok 8511 tree length ok 8512 should be equivalent ok 8513 root is black ok 8514 node color must be red or black ok 8515 left tree order invariant ok 8516 right tree order invariant ok 8517 node color must be red or black ok 8518 number of black nodes along all paths to root must be constant ok 8519 item count consistency ok 8520 node color must be red or black ok 8521 number of black nodes along all paths to root must be constant ok 8522 item count consistency ok 8523 number of black nodes along all paths to root must be constant ok 8524 item count consistency ok 8525 tree length ok 8526 should be equivalent ok 8527 root is black ok 8528 node color must be red or black ok 8529 left tree order invariant ok 8530 right tree order invariant ok 8531 node color must be red or black ok 8532 right tree order invariant ok 8533 children of red node must be black ok 8534 children of red node must be black ok 8535 number of black nodes along all paths to root must be constant ok 8536 item count consistency ok 8537 number of black nodes along all paths to root must be constant ok 8538 item count consistency ok 8539 node color must be red or black ok 8540 number of black nodes along all paths to root must be constant ok 8541 item count consistency ok 8542 number of black nodes along all paths to root must be constant ok 8543 item count consistency ok 8544 tree length ok 8545 should be equivalent ok 8546 root is black ok 8547 node color must be red or black ok 8548 left tree order invariant ok 8549 right tree order invariant ok 8550 node color must be red or black ok 8551 number of black nodes along all paths to root must be constant ok 8552 item count consistency ok 8553 node color must be red or black ok 8554 number of black nodes along all paths to root must be constant ok 8555 item count consistency ok 8556 number of black nodes along all paths to root must be constant ok 8557 item count consistency ok 8558 tree length ok 8559 should be equivalent ok 8560 root is black ok 8561 node color must be red or black ok 8562 left tree order invariant ok 8563 children of red node must be black ok 8564 children of red node must be black ok 8565 number of black nodes along all paths to root must be constant ok 8566 item count consistency ok 8567 number of black nodes along all paths to root must be constant ok 8568 item count consistency ok 8569 tree length ok 8570 should be equivalent ok 8571 root is black ok 8572 node color must be red or black ok 8573 number of black nodes along all paths to root must be constant ok 8574 item count consistency ok 8575 tree length ok 8576 should be equivalent ok 8577 should be equivalent # slab-sequence-2 1..8577 # tests 8577 # pass 8577 # ok make[1]: Leaving directory '/build/node-functional-red-black-tree-NpiZZb/node-functional-red-black-tree-1.0.1+20181105' create-stamp debian/debhelper-build-stamp dh_testroot -i dh_prep -i dh_install -i debian/rules override_dh_installdocs make[1]: Entering directory '/build/node-functional-red-black-tree-NpiZZb/node-functional-red-black-tree-1.0.1+20181105' dh_installdocs --all -- README.html README.txt make[1]: Leaving directory '/build/node-functional-red-black-tree-NpiZZb/node-functional-red-black-tree-1.0.1+20181105' dh_installchangelogs -i dh_perl -i dh_link -i dh_strip_nondeterminism -i dh_compress -i dh_fixperms -i dh_missing -i dh_installdeb -i dh_gencontrol -i dh_md5sums -i dh_builddeb -i dpkg-deb: building package 'node-functional-red-black-tree' in '../node-functional-red-black-tree_1.0.1+20181105-4_all.deb'. dpkg-deb: building package 'libjs-functional-red-black-tree' in '../libjs-functional-red-black-tree_1.0.1+20181105-4_all.deb'. dpkg-genbuildinfo --build=all dpkg-genchanges --build=all >../node-functional-red-black-tree_1.0.1+20181105-4_all.changes dpkg-genchanges: info: binary-only arch-indep upload (source code and arch-specific packages not included) dpkg-source --after-build . dpkg-buildpackage: info: binary-only upload (no source included) I: running special hook: sync-out /build/node-functional-red-black-tree-NpiZZb /tmp/node-functional-red-black-tree-1.0.1+20181105-4m0i_zm_0 I: cleaning package lists and apt cache... I: creating tarball... I: done I: removing tempdir /tmp/mmdebstrap.SiraszBG6x... I: success in 275.6679 seconds md5: libjs-functional-red-black-tree_1.0.1+20181105-4_all.deb: OK md5: node-functional-red-black-tree_1.0.1+20181105-4_all.deb: OK sha1: libjs-functional-red-black-tree_1.0.1+20181105-4_all.deb: OK sha1: node-functional-red-black-tree_1.0.1+20181105-4_all.deb: OK sha256: libjs-functional-red-black-tree_1.0.1+20181105-4_all.deb: OK sha256: node-functional-red-black-tree_1.0.1+20181105-4_all.deb: OK Checksums: OK