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CONTRACTS: add doc for loop assigns inference #867

CONTRACTS: add doc for loop assigns inference

CONTRACTS: add doc for loop assigns inference #867

Workflow file for this run

# Run performance benchmarks comparing two different CBMC versions.
name: Performance Benchmarking
on:
push:
branches: [ develop ]
pull_request:
branches: [ develop ]
jobs:
perf-benchcomp:
runs-on: ubuntu-20.04
steps:
- name: Save push event HEAD and HEAD~ to environment variables
if: ${{ github.event_name == 'push' }}
run: |
echo "NEW_REF=${{ github.event.after}}" | tee -a "$GITHUB_ENV"
echo "OLD_REF=${{ github.event.before }}" | tee -a "$GITHUB_ENV"
- name: Save pull request HEAD and base to environment variables
if: ${{ contains(fromJSON('["pull_request", "pull_request_target"]'), github.event_name) }}
run: |
echo "OLD_REF=${{ github.event.pull_request.base.sha }}" | tee -a "$GITHUB_ENV"
echo "NEW_REF=${{ github.event.pull_request.head.sha }}" | tee -a "$GITHUB_ENV"
- name: Check out CBMC (old variant)
uses: actions/checkout@v4
with:
submodules: recursive
path: ./old
ref: ${{ env.OLD_REF }}
fetch-depth: 2
- name: Check out CBMC (new variant)
uses: actions/checkout@v4
with:
submodules: recursive
path: ./new
ref: ${{ env.NEW_REF }}
fetch-depth: 1
- name: Fetch dependencies
env:
# This is needed in addition to -yq to prevent apt-get from asking for
# user input
DEBIAN_FRONTEND: noninteractive
run: |
sudo apt-get update
sudo apt-get install --no-install-recommends -yq cmake ninja-build gcc g++ maven flex bison ccache
- name: Prepare ccache
uses: actions/cache/restore@v4
with:
path: .ccache
key: ${{ runner.os }}-20.04-Release-${{ github.ref }}-${{ github.sha }}-PR
restore-keys: |
${{ runner.os }}-20.04-Release-${{ github.ref }}
${{ runner.os }}-20.04-Release
- name: ccache environment
run: echo "CCACHE_DIR=$PWD/.ccache" >> $GITHUB_ENV
- name: Zero ccache stats and limit in size
run: ccache -z --max-size=500M
- name: Configure using CMake (new variant)
run: cmake -S new/ -B new/build -G Ninja -DWITH_JBMC=OFF -DCMAKE_BUILD_TYPE=Release -DCMAKE_C_COMPILER=/usr/bin/gcc -DCMAKE_CXX_COMPILER=/usr/bin/g++ -Dsat_impl="minisat2;cadical"
- name: ccache environment (new variant)
run: echo "CCACHE_BASEDIR=$PWD/new" >> $GITHUB_ENV
- name: Build with Ninja (new variant)
run: ninja -C new/build -j4
- name: Print ccache stats (new variant)
run: ccache -s
- name: Configure using CMake (old variant)
run: cmake -S old/ -B old/build -G Ninja -DWITH_JBMC=OFF -DCMAKE_BUILD_TYPE=Release -DCMAKE_C_COMPILER=/usr/bin/gcc -DCMAKE_CXX_COMPILER=/usr/bin/g++ -Dsat_impl="minisat2;cadical"
- name: ccache environment (old variant)
run: echo "CCACHE_BASEDIR=$PWD/old" >> $GITHUB_ENV
- name: Build with Ninja (old variant)
run: ninja -C old/build -j4
- name: Print ccache stats (old variant)
run: ccache -s
- name: Obtain benchcomp
run: git clone --depth 1 https://github.com/model-checking/kani kani.git
- name: Fetch benchmarks
run: |
git clone --depth 1 https://github.com/awslabs/aws-c-common aws-c-common.git
pushd aws-c-common.git/verification/cbmc/proofs/
# keep 6 proofs of each kind of data structure
for c in $(ls -d aws_* | cut -f2 -d_ | uniq) ; do rm -rf $(ls -d aws_${c}_* | tail -n+7) ; done
popd
sudo apt-get install --no-install-recommends -yq gnuplot graphviz universal-ctags python3-pip
curl -L --remote-name \
https://github.com/awslabs/aws-build-accumulator/releases/download/1.29.0/litani-1.29.0.deb
sudo dpkg -i litani-1.29.0.deb
sudo python3 -m pip install cbmc-viewer
- name: Run benchcomp
run: |
kani.git/tools/benchcomp/bin/benchcomp \
--config new/.github/performance/benchcomp-config.yaml \
run
kani.git/tools/benchcomp/bin/benchcomp \
--config new/.github/performance/benchcomp-config.yaml \
collate
- name: Perf Regression Results Table
run: |
kani.git/tools/benchcomp/bin/benchcomp \
--config new/.github/performance/benchcomp-config.yaml \
visualize --only dump_markdown_results_table >> "$GITHUB_STEP_SUMMARY"
- name: Run other visualizations
run: |
kani.git/tools/benchcomp/bin/benchcomp \
--config new/.github/performance/benchcomp-config.yaml \
visualize --except dump_markdown_results_table