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CI: Remove use of Ubuntu 20.04
GitHub will no longer support ubuntu-20.04 runners after 2025-04-15. Use ubuntu-24.04 or ubuntu-latest instead. This implies that we will no longer release pre-built packages for Ubuntu 20.04.
1 parent 7540c49 commit 850dfa5

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‎.github/workflows/README.md

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@@ -25,19 +25,22 @@ The files in this folder correspond to:
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We are currently building and testing CBMC under the following configurations:
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* `make` * `gcc` * `linux` (ubuntu 20.04)
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* `make` * `clang` * `linux` (ubuntu 20.04)
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* `cmake` * `gcc` * `linux` (ubuntu 20.04)
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* `make` * `clang` * `macos` (10.15)
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* `cmake` * `clang` * `macos` (10.15)
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* `make` * `gcc` * `linux` (ubuntu 24.04)
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* `make` * `clang` * `linux` (ubuntu 22.04, 24.04)
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* `cmake` * `gcc` * `linux` (ubuntu 22.04, 24.04)
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* `cmake` * `gcc-14` * `linux` (ubuntu 24.04)
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* `cmake` * `gcc` * `linux` (ubuntu 22.04 32-bit)
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* `make` * `clang` * `macos` (13)
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* `cmake` * `clang` * `macos` (14)
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* `cmake` * `vs` * `windows` (vs2019)
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* `make` * `vs` * `windows` (vs2022)
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Aside from the main platform builds for testing, we are also performing
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some auxiliary builds that test packaging support to be up-to-date. We
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do that for:
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* a `docker` image
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* an `ubuntu-20.04` package
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* a `ubuntu-24.04` package
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* a `windows-msi` installer package
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Last but not least, we are also performing a coverage statistics collection

‎.github/workflows/build-and-test-Linux.yaml

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@@ -8,7 +8,7 @@ on:
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jobs:
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# This job takes approximately 18 minutes
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CompileLinux:
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runs-on: ubuntu-20.04
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runs-on: ubuntu-24.04
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steps:
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- uses: actions/checkout@v4
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with:
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DEBIAN_FRONTEND: noninteractive
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run: |
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sudo apt-get update
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sudo apt-get install --no-install-recommends -y clang-10 clang++-10 flex bison cmake ninja-build maven jq libxml2-utils dpkg-dev ccache
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sudo apt-get install --no-install-recommends -y clang-19 clang++-19 flex bison cmake ninja-build maven jq libxml2-utils dpkg-dev ccache
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sudo apt-get install --no-install-recommends -y libssl-dev libelf-dev libudev-dev libpci-dev libiberty-dev autoconf
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sudo apt-get install --no-install-recommends -y gawk jq
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with:
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save-always: true
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path: .ccache
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key: ${{ runner.os }}-20.04-make-clang-${{ github.ref }}-${{ github.sha }}-KERNEL
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key: ${{ runner.os }}-24.04-make-clang-${{ github.ref }}-${{ github.sha }}-KERNEL
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restore-keys: |
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${{ runner.os }}-20.04-make-clang-${{ github.ref }}
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${{ runner.os }}-20.04-make-clang
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${{ runner.os }}-24.04-make-clang-${{ github.ref }}
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${{ runner.os }}-24.04-make-clang
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- name: ccache environment
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run: |
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echo "CCACHE_BASEDIR=$PWD" >> $GITHUB_ENV

‎.github/workflows/build-and-test-Xen.yaml

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jobs:
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# This job takes approximately 33 minutes
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CompileXen:
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runs-on: ubuntu-20.04
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runs-on: ubuntu-24.04
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steps:
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- uses: actions/checkout@v4
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with:
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DEBIAN_FRONTEND: noninteractive
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run: |
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sudo apt-get update
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sudo apt-get install --no-install-recommends -y build-essential git flex bison software-properties-common curl python
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sudo apt-get install --no-install-recommends -y bin86 gdb bcc liblzma-dev python-dev gettext iasl uuid-dev libncurses5-dev libncursesw5-dev pkg-config
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sudo apt-get install --no-install-recommends -y libgtk2.0-dev libyajl-dev time ccache clang-10 clang++-10
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sudo apt-get install --no-install-recommends -y build-essential git flex bison software-properties-common curl python3
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sudo apt-get install --no-install-recommends -y bin86 gdb bcc liblzma-dev python3-dev gettext iasl uuid-dev libncurses5-dev libncursesw5-dev pkg-config
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sudo apt-get install --no-install-recommends -y libgtk2.0-dev libyajl-dev time ccache clang-19 clang++-19
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- name: Prepare ccache
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uses: actions/cache@v4
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with:
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save-always: true
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path: .ccache
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key: ${{ runner.os }}-20.04-make-clang-${{ github.ref }}-${{ github.sha }}-XEN
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key: ${{ runner.os }}-24.04-make-clang-${{ github.ref }}-${{ github.sha }}-XEN
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restore-keys: |
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${{ runner.os }}-20.04-make-clang-${{ github.ref }}
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${{ runner.os }}-20.04-make-clang
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${{ runner.os }}-24.04-make-clang-${{ github.ref }}
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${{ runner.os }}-24.04-make-clang
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- name: ccache environment
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run: |
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echo "CCACHE_BASEDIR=$PWD" >> $GITHUB_ENV

‎.github/workflows/coverage.yaml

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@@ -12,7 +12,7 @@ env:
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jobs:
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# This job takes approximately 22 to 75 minutes
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Linux:
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runs-on: ubuntu-20.04
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runs-on: ubuntu-24.04
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steps:
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- name: Clone repository
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uses: actions/checkout@v4
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with:
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save-always: true
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path: .ccache
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key: ${{ runner.os }}-20.04-Coverage-${{ github.ref }}-${{ github.sha }}-PR
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key: ${{ runner.os }}-24.04-Coverage-${{ github.ref }}-${{ github.sha }}-PR
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restore-keys: |
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${{ runner.os }}-20.04-Coverage-${{ github.ref }}
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${{ runner.os }}-20.04-Coverage
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${{ runner.os }}-24.04-Coverage-${{ github.ref }}
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${{ runner.os }}-24.04-Coverage
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- name: ccache environment
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run: |
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echo "CCACHE_BASEDIR=$PWD" >> $GITHUB_ENV

‎.github/workflows/csmith.yaml

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jobs:
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# This job takes approximately 18 minutes
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run-10-random-tests:
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runs-on: ubuntu-20.04
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runs-on: ubuntu-24.04
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steps:
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- uses: actions/checkout@v4
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with:
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DEBIAN_FRONTEND: noninteractive
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run: |
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sudo apt-get update
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sudo apt-get install --no-install-recommends -y build-essential flex bison maven ccache clang-10 clang++-10
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sudo apt-get install --no-install-recommends -y build-essential flex bison maven ccache clang-19 clang++-19
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sudo apt-get install --no-install-recommends -y csmith libcsmith-dev
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make -C src minisat2-download
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- name: Prepare ccache
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uses: actions/cache@v4
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with:
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save-always: true
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path: .ccache
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key: ${{ runner.os }}-20.04-make-clang-${{ github.ref }}-${{ github.sha }}-CSMITH
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key: ${{ runner.os }}-24.04-make-clang-${{ github.ref }}-${{ github.sha }}-CSMITH
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restore-keys: |
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${{ runner.os }}-20.04-make-clang-${{ github.ref }}
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${{ runner.os }}-20.04-make-clang
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${{ runner.os }}-24.04-make-clang-${{ github.ref }}
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${{ runner.os }}-24.04-make-clang
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- name: ccache environment
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run: |
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echo "CCACHE_BASEDIR=$PWD" >> $GITHUB_ENV

‎.github/workflows/doxygen-check.yaml

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@@ -8,7 +8,7 @@ jobs:
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check-doxygen:
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# Note that the versions used for this `check-doxygen` job should be kept in
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# sync with the `publish` job.
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runs-on: ubuntu-24.04
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runs-on: ubuntu-latest
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steps:
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- uses: actions/checkout@v4
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- name: Fetch dependencies

‎.github/workflows/performance.yaml

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jobs:
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perf-benchcomp:
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runs-on: ubuntu-20.04
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runs-on: ubuntu-24.04
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steps:
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- name: Save push event HEAD and HEAD~ to environment variables
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if: ${{ github.event_name == 'push' }}
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uses: actions/cache/restore@v4
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with:
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path: .ccache
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key: ${{ runner.os }}-20.04-Release-${{ github.ref }}-${{ github.sha }}-PR
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key: ${{ runner.os }}-24.04-Release-${{ github.ref }}-${{ github.sha }}-PR
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restore-keys: |
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${{ runner.os }}-20.04-Release-${{ github.ref }}
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${{ runner.os }}-20.04-Release
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${{ runner.os }}-24.04-Release-${{ github.ref }}
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${{ runner.os }}-24.04-Release
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- name: ccache environment
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run: echo "CCACHE_DIR=$PWD/.ccache" >> $GITHUB_ENV
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- name: Zero ccache stats and limit in size

‎.github/workflows/publish.yaml

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publish:
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# Note that the versions used for this `publish` job should be kept in sync
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# with the `check-doxygen` job.
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runs-on: ubuntu-24.04
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runs-on: ubuntu-latest
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steps:
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- name: Checkout repository
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uses: actions/checkout@v4

‎.github/workflows/pull-request-checks.yaml

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jobs:
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# This job takes approximately 15 to 40 minutes
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check-ubuntu-20_04-make-gcc:
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runs-on: ubuntu-20.04
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check-ubuntu-24_04-make-gcc:
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runs-on: ubuntu-24.04
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steps:
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- uses: actions/checkout@v4
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with:
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with:
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save-always: true
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path: .ccache
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key: ${{ runner.os }}-20.04-make-${{ github.ref }}-${{ github.sha }}-PR
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key: ${{ runner.os }}-24.04-make-${{ github.ref }}-${{ github.sha }}-PR
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restore-keys: |
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${{ runner.os }}-20.04-make-${{ github.ref }}
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${{ runner.os }}-20.04-make
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${{ runner.os }}-24.04-make-${{ github.ref }}
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${{ runner.os }}-24.04-make
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- name: ccache environment
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run: |
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echo "CCACHE_BASEDIR=$PWD" >> $GITHUB_ENV
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fi
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# This job takes approximately 25 to 34 minutes
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check-ubuntu-20_04-make-clang:
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runs-on: ubuntu-20.04
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check-ubuntu-24_04-make-clang:
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runs-on: ubuntu-24.04
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env:
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CC: "ccache /usr/bin/clang"
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CXX: "ccache /usr/bin/clang++"
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DEBIAN_FRONTEND: noninteractive
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run: |
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sudo apt-get update
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sudo apt-get install --no-install-recommends -yq clang-10 clang++-10 gdb maven jq flex bison libxml2-utils cpanminus ccache z3
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sudo apt-get install --no-install-recommends -yq clang-19 clang++-19 gdb maven jq flex bison libxml2-utils cpanminus ccache z3
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make -C src minisat2-download cadical-download
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cpanm Thread::Pool::Simple
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- name: Confirm z3 solver is available and log the version installed
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with:
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save-always: true
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path: .ccache
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key: ${{ runner.os }}-20.04-make-clang-${{ github.ref }}-${{ github.sha }}-PR
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key: ${{ runner.os }}-24.04-make-clang-${{ github.ref }}-${{ github.sha }}-PR
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restore-keys: |
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${{ runner.os }}-20.04-make-clang-${{ github.ref }}
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${{ runner.os }}-20.04-make-clang
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${{ runner.os }}-24.04-make-clang-${{ github.ref }}
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${{ runner.os }}-24.04-make-clang
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- name: ccache environment
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run: |
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echo "CCACHE_BASEDIR=$PWD" >> $GITHUB_ENV
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# The reason we opted for a new job is that adding a `test-z3` step to the current
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# jobs increases the job runtime to unacceptable levels (over 2hrs).
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# This job takes approximately 3 to 18 minutes
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check-ubuntu-20_04-make-clang-smt-z3:
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runs-on: ubuntu-20.04
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check-ubuntu-24_04-make-clang-smt-z3:
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runs-on: ubuntu-24.04
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env:
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CC: "ccache /usr/bin/clang"
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CXX: "ccache /usr/bin/clang++"
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DEBIAN_FRONTEND: noninteractive
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sudo apt-get update
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sudo apt-get install --no-install-recommends -yq clang-10 clang++-10 gdb maven jq flex bison libxml2-utils cpanminus ccache z3
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sudo apt-get install --no-install-recommends -yq clang-19 clang++-19 gdb maven jq flex bison libxml2-utils cpanminus ccache z3
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make -C src minisat2-download
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cpanm Thread::Pool::Simple
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- name: Confirm z3 solver is available and log the version installed
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with:
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save-always: true
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path: .ccache
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key: ${{ runner.os }}-20.04-make-clang-${{ github.ref }}-${{ github.sha }}-PR
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key: ${{ runner.os }}-24.04-make-clang-${{ github.ref }}-${{ github.sha }}-PR
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restore-keys: |
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${{ runner.os }}-20.04-make-clang-${{ github.ref }}
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${{ runner.os }}-20.04-make-clang
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${{ runner.os }}-24.04-make-clang-${{ github.ref }}
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${{ runner.os }}-24.04-make-clang
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- name: ccache environment
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run: |
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echo "CCACHE_BASEDIR=$PWD" >> $GITHUB_ENV
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run: make -C regression/cbmc test-z3
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# This job takes approximately 17 to 42 minutes
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check-ubuntu-20_04-cmake-gcc:
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runs-on: ubuntu-20.04
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check-ubuntu-24_04-cmake-gcc:
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runs-on: ubuntu-24.04
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steps:
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- uses: actions/checkout@v4
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with:
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with:
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save-always: true
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path: .ccache
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key: ${{ runner.os }}-20.04-Release-${{ github.ref }}-${{ github.sha }}-PR
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key: ${{ runner.os }}-24.04-Release-${{ github.ref }}-${{ github.sha }}-PR
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restore-keys: |
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${{ runner.os }}-20.04-Release-${{ github.ref }}
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${{ runner.os }}-20.04-Release
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${{ runner.os }}-24.04-Release-${{ github.ref }}
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${{ runner.os }}-24.04-Release
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- name: ccache environment
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run: |
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echo "CCACHE_BASEDIR=$PWD" >> $GITHUB_ENV
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run: cd build; ctest . -V -L CORE -j${{env.linux-vcpus}}
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# This job takes approximately 2 to 24 minutes
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check-ubuntu-20_04-cmake-gcc-KNOWNBUG:
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runs-on: ubuntu-20.04
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check-ubuntu-24_04-cmake-gcc-KNOWNBUG:
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runs-on: ubuntu-24.04
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steps:
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- uses: actions/checkout@v4
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with:
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with:
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save-always: true
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path: .ccache
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key: ${{ runner.os }}-20.04-Release-${{ github.ref }}-${{ github.sha }}-PR
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key: ${{ runner.os }}-24.04-Release-${{ github.ref }}-${{ github.sha }}-PR
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restore-keys: |
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${{ runner.os }}-20.04-Release-${{ github.ref }}
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${{ runner.os }}-20.04-Release
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${{ runner.os }}-24.04-Release-${{ github.ref }}
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${{ runner.os }}-24.04-Release
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- name: ccache environment
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run: |
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echo "CCACHE_BASEDIR=$PWD" >> $GITHUB_ENV
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../test.pl -c "cbmc --cprover-smt2" -I broken-smt-backend -K
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# This job takes approximately 7 to 30 minutes
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check-ubuntu-20_04-cmake-gcc-THOROUGH:
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runs-on: ubuntu-20.04
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check-ubuntu-24_04-cmake-gcc-THOROUGH:
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runs-on: ubuntu-24.04
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steps:
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- uses: actions/checkout@v4
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with:
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with:
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save-always: true
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path: .ccache
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key: ${{ runner.os }}-20.04-Release-${{ github.ref }}-${{ github.sha }}-PR
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key: ${{ runner.os }}-24.04-Release-${{ github.ref }}-${{ github.sha }}-PR
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restore-keys: |
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${{ runner.os }}-20.04-Release-${{ github.ref }}
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${{ runner.os }}-20.04-Release
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${{ runner.os }}-24.04-Release-${{ github.ref }}
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${{ runner.os }}-24.04-Release
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- name: ccache environment
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run: |
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echo "CCACHE_BASEDIR=$PWD" >> $GITHUB_ENV
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# This job takes approximately 2 to 3 minutes
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check-string-table:
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runs-on: ubuntu-20.04
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runs-on: ubuntu-latest
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steps:
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- uses: actions/checkout@v4
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- name: Check for unused irep ids
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run: ./scripts/string_table_check.sh
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# This job takes approximately 23 to 29 minutes
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check-docker-image:
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runs-on: ubuntu-20.04
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runs-on: ubuntu-latest
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steps:
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- uses: actions/checkout@v4
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with:
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# This job takes approximately 22 to 41 minutes
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include-what-you-use:
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runs-on: ubuntu-22.04
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runs-on: ubuntu-latest
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steps:
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- uses: actions/checkout@v4
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with:

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