diff --git a/.github/workflows/CI-cygwin.yml b/.github/workflows/CI-cygwin.yml
deleted file mode 100644
index b640a38f43f..00000000000
--- a/.github/workflows/CI-cygwin.yml
+++ /dev/null
@@ -1,49 +0,0 @@
-# Some convenient links:
-# - https://github.com/actions/virtual-environments/blob/master/images/win/Windows2019-Readme.md
-#
-
-name: CI-cygwin
-
-on: [push,pull_request]
-
-defaults:
-  run:
-    shell: cmd
-
-jobs:
-  build_cygwin:
-    strategy:
-      matrix:
-        os: [windows-2019]
-        arch: [x64, x86]
-      fail-fast: true
-
-    runs-on: ${{ matrix.os }}
-
-    steps:
-      - uses: actions/checkout@v2
-
-      - name: Set up Cygwin
-        uses: egor-tensin/setup-cygwin@v3
-        with:
-          platform: ${{ matrix.arch }}
-
-      - name: Build cppcheck
-        run: |
-          C:\tools\cygwin\bin\bash.exe -l -c cd %GITHUB_WORKSPACE% && make -j2
-
-      - name: Build test
-        run: |
-          C:\tools\cygwin\bin\bash.exe -l -c cd %GITHUB_WORKSPACE% && make -j2 testrunner
-
-      - name: Run test
-        run: |
-          C:\tools\cygwin\bin\bash.exe -l -c cd %GITHUB_WORKSPACE% && make -j2 check
-
-      - name: Extra test for misra
-        run: |
-          C:\tools\cygwin\bin\bash.exe -l -c cd %GITHUB_WORKSPACE%\addons\test
-          ..\..\cppcheck --dump -DDUMMY --suppress=uninitvar --inline-suppr misra\misra-test.c --std=c89 --platform=unix64 && python3 ..\misra.py -verify misra\misra-test.c.dump
-          C:\tools\cygwin\bin\bash.exe -l -c cd %GITHUB_WORKSPACE%
-          .\cppcheck --addon=misra --inline-suppr --enable=information --error-exitcode=1 addons\test\misra\misra-ctu-*-test.c
-
diff --git a/.github/workflows/CI-unixish-docker.yml b/.github/workflows/CI-unixish-docker.yml
index 55fdadd5270..7a9f9f2b105 100644
--- a/.github/workflows/CI-unixish-docker.yml
+++ b/.github/workflows/CI-unixish-docker.yml
@@ -9,7 +9,7 @@ jobs:
 
     strategy:
       matrix:
-        image: ["centos:7", "ubuntu:14.04", "ubuntu:16.04", "ubuntu:21.10"]
+        image: ["gcc:4.6"]
       fail-fast: false # Prefer quick result
 
     runs-on: ubuntu-20.04
@@ -18,6 +18,11 @@ jobs:
       image: ${{ matrix.image }}
 
     steps:
+      - name: Install prerequisites for gcc:4.6
+        if: matrix.image == 'gcc:4.6'
+        run: |
+          #echo "CXX=gcc-4.6" >> $GITHUB_ENV
+
       - uses: actions/checkout@v2
 
       - name: Install missing software on CentOS 7
diff --git a/.github/workflows/CI-unixish.yml b/.github/workflows/CI-unixish.yml
deleted file mode 100644
index 9caf53a767f..00000000000
--- a/.github/workflows/CI-unixish.yml
+++ /dev/null
@@ -1,187 +0,0 @@
-# Syntax reference https://help.github.com/en/actions/reference/workflow-syntax-for-github-actions
-# Environment reference https://help.github.com/en/actions/reference/virtual-environments-for-github-hosted-runners
-name: CI-unixish
-
-on: [push, pull_request]
-
-jobs:
-  build:
-
-    strategy:
-      matrix:
-        os: [ubuntu-18.04, ubuntu-20.04, macos-10.15]
-      fail-fast: false # Prefer quick result
-
-    runs-on: ${{ matrix.os }}
-
-    steps:
-      - uses: actions/checkout@v2
-
-      - name: Set up Python 3.10
-        uses: actions/setup-python@v2
-        with:
-          python-version: '3.10'
-
-      - name: Install missing software on ubuntu 18.04
-        if: matrix.os == 'ubuntu-18.04'
-        run: |
-          sudo apt-get update
-          sudo apt-get install libxml2-utils
-          sudo apt-get install z3 libz3-dev
-          cp externals/z3_version_old.h externals/z3_version.h
-
-      - name: Install missing software on ubuntu 20.04
-        if: matrix.os == 'ubuntu-20.04' 
-        run: |
-          sudo apt-get update
-          sudo apt-get install libxml2-utils
-          sudo apt-get install z3 libz3-dev
-
-      - name: Install missing software on macos
-        if: contains(matrix.os, 'macos')
-        run: |
-          brew install coreutils z3
-          cp externals/z3_version_old.h externals/z3_version.h
-
-      - name: Install missing Python packages
-        run: |
-          python -m pip install pip --upgrade
-          python -m pip install pytest
-          
-      - name: Install Qt
-        if: contains(matrix.os, 'ubuntu')
-        uses: jurplel/install-qt-action@v2
-        with:
-          modules: 'qtcharts'
-
-      - name: Test CMake build
-        run: |
-          mkdir cmake.output
-          cd cmake.output
-          cmake -G "Unix Makefiles" -DUSE_Z3=On -DHAVE_RULES=On -DBUILD_TESTS=On ..
-          make -j$(nproc) check
-          cd ..
-
-      - name: Build and test with Unsigned char
-        run: |
-          make clean
-          make -j$(nproc) CXXFLAGS=-funsigned-char testrunner
-          ./testrunner TestSymbolDatabase
-
-      - name: Check syntax with NONNEG
-        run: |
-          ls lib/*.cpp | xargs -n 1 -P $(nproc) g++ -fsyntax-only -std=c++0x -Ilib -Iexternals -Iexternals/picojson -Iexternals/simplecpp -Iexternals/tinyxml2 -DNONNEG
-
-      - name: Build cppcheck
-        run: |
-          make clean
-          make -j$(nproc) USE_Z3=yes HAVE_RULES=yes
-
-      - name: Build test
-        run: |
-          make -j$(nproc) testrunner USE_Z3=yes HAVE_RULES=yes
-
-      - name: Run test
-        run: |
-          make -j$(nproc) check USE_Z3=yes HAVE_RULES=yes
-
-      # the script uses sed parameters not supported by MacOS
-      - name: Run extra tests
-        if: contains(matrix.os, 'ubuntu')
-        run: |
-          tools/generate_and_run_more_tests.sh
-
-      - name: Run test/cli
-        run: |
-          cd test/cli
-          pytest test-*.py
-          cd ../../..
-          ln -s cppcheck 'cpp check'
-          cd 'cpp check/test/cli'
-          pytest test-*.py
-
-      # fails on macos since some includes (e.g. sys/epoll.h) are not available
-      - name: Run cfg tests
-        if: contains(matrix.os, 'ubuntu')
-        run: |
-          make -j$(nproc) checkcfg
-
-      # it seems macos has no "wc" command
-      - name: Run showtimetop5 tests
-        if: contains(matrix.os, 'ubuntu')
-        run: |
-          ./tools/test_showtimetop5.sh
-
-      - name: Run --dump test
-        run: |
-          ./cppcheck test/testpreprocessor.cpp --dump
-          xmllint --noout test/testpreprocessor.cpp.dump
-
-      - name: Validate
-        run: |
-          make -j$(nproc) checkCWEEntries validateXML
-
-      - name: Test addons
-        run: |
-          ./cppcheck --addon=threadsafety addons/test/threadsafety
-          ./cppcheck --addon=threadsafety --std=c++03 addons/test/threadsafety
-          ./cppcheck --addon=misra --inline-suppr --enable=information --error-exitcode=1 addons/test/misra/misra-ctu-*-test.c
-          cd addons/test
-          ../../cppcheck --dump -DDUMMY --suppress=uninitvar --inline-suppr misra/misra-test.c --std=c89 --platform=unix64 && python3 ../misra.py -verify misra/misra-test.c.dump
-          ../../cppcheck --addon=misra --platform=avr8 --error-exitcode=1 misra/misra-test-avr8.c
-
-      - name: Build GUI on ubuntu
-        if: contains(matrix.os, 'ubuntu')
-        run: |
-          pushd gui
-          qmake HAVE_QCHART=yes
-          make -j$(nproc)
-
-      - name: Run GUI tests on ubuntu
-        if: contains(matrix.os, 'ubuntu')
-        run: |
-          pushd gui/test/projectfile
-          qmake
-          make -j$(nproc)
-          ./test-projectfile
-          popd
-          pushd gui/test/cppchecklibrarydata
-          qmake
-          make -j$(nproc)
-          ./test-cppchecklibrarydata
-
-      - name: Generate Qt help file on ubuntu
-        if: contains(matrix.os, 'ubuntu')
-        run: |
-          pushd gui/help
-          qhelpgenerator online-help.qhcp -o online-help.qhc
-
-      # Run self check after "Build GUI" to include generated headers in analysis
-      - name: Self check
-        if: matrix.os == 'ubuntu-20.04'
-        run: |
-          # compile with verification and ast matchers
-          make clean
-          make -j$(nproc) -s CPPFLAGS="-DCHECK_INTERNAL" CXXFLAGS="-g -O2" MATCHCOMPILER=yes VERIFY=1
-          # self check lib/cli
-          mkdir b1
-          ./cppcheck -q -j$(nproc) --std=c++11 --template=selfcheck --cppcheck-build-dir=b1 -D__CPPCHECK__ --error-exitcode=1 --inline-suppr --suppressions-list=.travis_suppressions --library=cppcheck-lib --addon=naming.json -Ilib -Iexternals/simplecpp/ -Iexternals/tinyxml2/ -Icli --inconclusive --enable=style,performance,portability,warning,internal --exception-handling --debug-warnings  cli lib
-          # check gui with qt settings
-          mkdir b2
-          ./cppcheck -q -j$(nproc) --std=c++11 --template=selfcheck --cppcheck-build-dir=b2 -D__CPPCHECK__ -DQT_VERSION=0x050000 --error-exitcode=1 --inline-suppr --suppressions-list=.travis_suppressions --library=qt --addon=naming.json -Ilib -Iexternals/simplecpp/ -Iexternals/tinyxml2/ --enable=style,performance,portability,warning,internal --exception-handling --debug-warnings  gui/*.cpp
-          # self check test and tools
-          ./cppcheck -q -j$(nproc) --std=c++11 --template=selfcheck -D__CPPCHECK__ --error-exitcode=1 --inline-suppr --suppressions-list=.travis_suppressions --library=cppcheck-lib -Ilib -Iexternals/simplecpp/ -Iexternals/tinyxml2/ -Icli -Igui --inconclusive --enable=style,performance,portability,warning,internal --exception-handling --debug-warnings  test/*.cpp tools
-
-      - name: Build triage on ubuntu
-        if: matrix.os == 'ubuntu-20.04'
-        run: |
-          pushd tools/triage
-          qmake
-          make -j$(nproc)
-
-      - name: Build Fuzzer
-        if: matrix.os == 'ubuntu-20.04'
-        run: |
-          pushd oss-fuzz
-          make -j$(nproc) CXX=clang++ CXXFLAGS="-fsanitize=address" fuzz-client translate
-
diff --git a/.github/workflows/CI-windows.yml b/.github/workflows/CI-windows.yml
deleted file mode 100644
index fef067e66cc..00000000000
--- a/.github/workflows/CI-windows.yml
+++ /dev/null
@@ -1,151 +0,0 @@
-# Some convenient links:
-# - https://github.com/actions/virtual-environments/blob/master/images/win/Windows2019-Readme.md
-#
-
-name: CI-windows
-
-on: [push,pull_request]
-
-defaults:
-  run:
-    shell: cmd
-    
-jobs:
-
-  build:
-    strategy:
-      matrix:
-        os: [windows-2019]
-        arch: [x64, x86]
-        qt_ver: ['', 5.9.9, 5.15.2]
-      fail-fast: false
-
-    runs-on: ${{ matrix.os }}
-
-    steps:
-      - uses: actions/checkout@v2
-
-      - name: Set up Python 3.10
-        if: matrix.qt_ver == ''
-        uses: actions/setup-python@v2
-        with:
-          python-version: '3.10'
-
-      - name: Setup msbuild.exe
-        if: matrix.qt_ver == ''
-        uses: microsoft/setup-msbuild@v1.0.2
-
-      - name: Install PCRE
-        if: false
-        run: |
-          call "C:\Program Files (x86)\Microsoft Visual Studio\2019\Enterprise\VC\Auxiliary\Build\vcvarsall.bat" ${{ matrix.arch }} || exit /b !errorlevel!
-          curl -fsSL https://ftp.pcre.org/pub/pcre/pcre-%PCRE_VERSION%.zip -o pcre-%PCRE_VERSION%.zip || exit /b !errorlevel!
-          7z x pcre-%PCRE_VERSION%.zip || exit /b !errorlevel!
-          cd pcre-%PCRE_VERSION% || exit /b !errorlevel!
-          cmake . -G "NMake Makefiles" -DCMAKE_BUILD_TYPE=Release -DPCRE_BUILD_PCRECPP=Off -DPCRE_BUILD_TESTS=Off -DPCRE_BUILD_PCREGREP=Off || exit /b !errorlevel!
-          nmake || exit /b !errorlevel!
-          copy pcre.h ..\externals || exit /b !errorlevel!
-          if "${{ matrix.arch }}" == "x86" (
-            copy pcre.lib ..\externals\pcre.lib || exit /b !errorlevel!
-          ) else (
-            copy pcre.lib ..\externals\pcre64.lib || exit /b !errorlevel!
-          )
-        env:
-          # see https://www.pcre.org/original/changelog.txt
-          PCRE_VERSION: 8.44
-          CL: /MP
-
-      - name: Install Z3 library
-        run: |
-          curl -fsSL https://github.com/Z3Prover/z3/releases/download/z3-%Z3_VERSION%/z3-%Z3_VERSION%-${{ matrix.arch }}-win.zip -o z3-%Z3_VERSION%-win.zip || exit /b !errorlevel!
-          7z x z3-%Z3_VERSION%-win.zip -oexternals -r -y || exit /b !errorlevel!
-          move externals\z3-%Z3_VERSION%-${{ matrix.arch }}-win externals\z3 || exit /b !errorlevel!
-        env:
-          # see https://github.com/Z3Prover/z3/releases:  
-          Z3_VERSION: 4.8.10
-
-      # no 32-bit Qt available
-      - name: Install Qt ${{ matrix.qt_ver }}
-        if: matrix.qt_ver != '' && matrix.arch == 'x64'
-        uses: jurplel/install-qt-action@v2
-        with:
-          version: ${{ matrix.qt_ver }}
-          modules: 'qtcharts'
-
-      - name: Install missing Python packages
-        if: matrix.qt_ver == ''
-        run: |
-          python -m pip install pip --upgrade || exit /b !errorlevel!
-          python -m pip install pytest || exit /b !errorlevel!
-          python -m pip install pytest-custom_exit_code || exit /b !errorlevel!
-
-      - name: Build GUI release
-        if: matrix.qt_ver != '' && matrix.arch == 'x64'
-        run: |
-          call "C:\Program Files (x86)\Microsoft Visual Studio\2019\Enterprise\VC\Auxiliary\Build\vcvarsall.bat" ${{ matrix.arch }} || exit /b !errorlevel!
-          cd gui || exit /b !errorlevel!
-          qmake HAVE_QCHART=yes || exit /b !errorlevel!
-          nmake release || exit /b !errorlevel!
-        env:
-          CL: /MP
-      
-      - name: Deploy GUI
-        if: matrix.qt_ver != '' && matrix.arch == 'x64'
-        run: |
-          windeployqt Build\gui || exit /b !errorlevel!
-          del Build\gui\cppcheck-gui.ilk || exit /b !errorlevel!
-          del Build\gui\cppcheck-gui.pdb || exit /b !errorlevel!
-
-      - name: Configure MSBuild
-        if: matrix.qt_ver == ''
-        run: |
-          call "C:\Program Files (x86)\Microsoft Visual Studio\2019\Enterprise\VC\Auxiliary\Build\vcvarsall.bat" ${{ matrix.arch }} || exit /b !errorlevel!
-          set ARCH=${{ matrix.arch }}
-          if "${{ matrix.arch }}" == "x86" (
-            set ARCH=Win32
-          )
-          rm -rf build
-          mkdir build
-          cd build
-          cmake -DBUILD_TESTS=On .. || exit /b !errorlevel!
-
-      - name: Build CLI debug configuration using MSBuild
-        if: matrix.qt_ver == ''
-        run: |
-          call "C:\Program Files (x86)\Microsoft Visual Studio\2019\Enterprise\VC\Auxiliary\Build\vcvarsall.bat" ${{ matrix.arch }} || exit /b !errorlevel!
-          set ARCH=${{ matrix.arch }}
-          if "${{ matrix.arch }}" == "x86" (
-            set ARCH=Win32
-          )
-          cmake --build build --target check --config Debug || exit /b !errorlevel!
-
-      - name: Build CLI release configuration using MSBuild
-        if: matrix.qt_ver == ''
-        run: |
-          call "C:\Program Files (x86)\Microsoft Visual Studio\2019\Enterprise\VC\Auxiliary\Build\vcvarsall.bat" ${{ matrix.arch }} || exit /b !errorlevel!
-          set ARCH=${{ matrix.arch }}
-          if "${{ matrix.arch }}" == "x86" (
-            set ARCH=Win32
-          )
-          cmake --build build --target check --config Release || exit /b !errorlevel!
-
-      - name: Run test/cli
-        if: matrix.qt_ver == ''
-        run: |
-          :: since FILESDIR is not set copy the binary to the root so the addons are found
-          copy .\build\bin\Release\cppcheck.exe .\cppcheck.exe || exit /b !errorlevel!
-          cd test/cli || exit /b !errorlevel!
-          :: python -m pytest --suppress-no-test-exit-code test-clang-import.py || exit /b !errorlevel!
-          python -m pytest test-helloworld.py || exit /b !errorlevel!
-          python -m pytest test-inline-suppress.py || exit /b !errorlevel!
-          python -m pytest test-more-projects.py || exit /b !errorlevel!
-          python -m pytest test-proj2.py || exit /b !errorlevel!
-          python -m pytest test-suppress-syntaxError.py || exit /b !errorlevel!
-
-      - name: Test addons
-        if: matrix.qt_ver == ''
-        run: |
-          .\cppcheck.exe --addon=misra --inline-suppr --enable=information --error-exitcode=1 addons\test\misra\misra-ctu-*-test.c
-          cd addons\test
-          ..\..\cppcheck.exe --dump -DDUMMY --suppress=uninitvar --inline-suppr misra\misra-test.c --std=c89 --platform=unix64 && python3 ..\misra.py -verify misra\misra-test.c.dump
-
diff --git a/.github/workflows/asan.yml b/.github/workflows/asan.yml
deleted file mode 100644
index c1854a3481e..00000000000
--- a/.github/workflows/asan.yml
+++ /dev/null
@@ -1,44 +0,0 @@
-# Syntax reference https://help.github.com/en/actions/reference/workflow-syntax-for-github-actions
-# Environment reference https://help.github.com/en/actions/reference/virtual-environments-for-github-hosted-runners
-name: address sanitizer
-
-on: [push, pull_request]
-
-jobs:
-  build:
-
-    runs-on: ubuntu-20.04
-
-    env:
-      ASAN_OPTIONS: detect_stack_use_after_return=1
-
-    steps:
-      - uses: actions/checkout@v2
-
-      - name: Install missing software on ubuntu
-        run: |
-          sudo apt-get update
-          sudo apt-get install libz3-4 libz3-dev
-
-      - name: Build
-        run: make -j$(nproc) cppcheck testrunner USE_Z3=yes HAVE_RULES=yes MATCHCOMPILER=yes VERIFY=1
-        env:
-          CC: clang
-          CXX: clang++
-          CXXFLAGS: "-fsanitize=address -O1 -g3 -DCPPCHK_GLIBCXX_DEBUG"
-          CPPFLAGS: "-DCHECK_INTERNAL"
-
-      - name: Run tests
-        run: ./testrunner
-
-# Does not work
-#      - name: Self check
-#        run: |
-#          ./cppcheck -q -j$(nproc) --std=c++11 --template=selfcheck -D__CPPCHECK__ --error-exitcode=1 --inline-suppr --suppressions-list=.travis_suppressions --library=cppcheck-lib -Ilib -Iexternals/simplecpp/ -Iexternals/tinyxml2/ -Icli --inconclusive --enable=style,performance,portability,warning,internal --exception-handling --debug-warnings cli lib
-#          ./cppcheck -q -j$(nproc) --std=c++11 --template=selfcheck -D__CPPCHECK__ -DQT_VERSION=0x050000 --error-exitcode=1 --inline-suppr --suppressions-list=.travis_suppressions --library=qt -Ilib -Iexternals/simplecpp/ -Iexternals/tinyxml2/ --enable=style,performance,portability,warning,internal --exception-handling --debug-warnings gui/*.cpp
-#          ./cppcheck -q -j$(nproc) --std=c++11 --template=selfcheck -D__CPPCHECK__ --error-exitcode=1 --inline-suppr --suppressions-list=.travis_suppressions --library=cppcheck-lib -Ilib -Iexternals/simplecpp/ -Iexternals/tinyxml2/ -Icli -Igui --inconclusive --enable=style,performance,portability,warning,internal --exception-handling --debug-warnings test/*.cpp tools
-
-# This takes too long time right now
-#      - name: Bughunting lib
-#        run: ./cppcheck -D__CPPCHECK__ --bug-hunting -j$(nproc) lib
-
diff --git a/.github/workflows/bughunting.yml b/.github/workflows/bughunting.yml
deleted file mode 100644
index 8f88c2a6c43..00000000000
--- a/.github/workflows/bughunting.yml
+++ /dev/null
@@ -1,47 +0,0 @@
-# Syntax reference https://help.github.com/en/actions/reference/workflow-syntax-for-github-actions
-# Environment reference https://help.github.com/en/actions/reference/virtual-environments-for-github-hosted-runners
-name: bughunting
-
-# TODO: enable this when
-on: workflow_dispatch
-
-jobs:
-  build:
-
-    runs-on: ubuntu-20.04
-
-    steps:
-      - uses: actions/checkout@v2
-
-      - name: Set up Python 3.10
-        uses: actions/setup-python@v2
-        with:
-          python-version: '3.10'
-
-      - name: Install missing software
-        run: |
-          sudo apt-get update
-          sudo apt-get install z3 libz3-dev
-
-      - name: Build cppcheck
-        run: |
-          make -j$(nproc) USE_Z3=yes HAVE_RULES=yes MATCHCOMPILER=yes
-        env:
-          CXXFLAGS: "-O2 -march=native"
-
-      # currently to slow to execute it in the CI
-      - name: Run CVE suite
-        run: |
-          python test/bug-hunting/cve.py
-
-      - name: Run ITC suite
-        run: |
-          git clone https://github.com/regehr/itc-benchmarks.git ~/itc
-          python test/bug-hunting/itc.py
-
-      - name: Run juliet
-        run: |
-          mkdir ~/juliet
-          curl https://samate.nist.gov/SARD/testsuites/juliet/Juliet_Test_Suite_v1.3_for_C_Cpp.zip -o ~/juliet/juliet.zip
-          cd ~/juliet && unzip -qq ~/juliet/juliet.zip
-          python test/bug-hunting/juliet.py
diff --git a/.github/workflows/buildman.yml b/.github/workflows/buildman.yml
deleted file mode 100644
index cf2b5c2afcc..00000000000
--- a/.github/workflows/buildman.yml
+++ /dev/null
@@ -1,25 +0,0 @@
-name: Build manual
-
-on: [push, pull_request]
-
-jobs:
-  convert_via_pandoc:
-    runs-on: ubuntu-20.04
-    steps:
-      - uses: actions/checkout@v2
-
-      - run: |
-          mkdir output
-
-      - uses: docker://pandoc/latex:2.9
-        with:
-          args: --output=output/manual.html man/manual.md
-             
-      - uses: docker://pandoc/latex:2.9
-        with:
-          args: --output=output/manual.pdf man/manual.md  
-  
-      - uses: actions/upload-artifact@v2
-        with:
-          name: output
-          path: output
diff --git a/.github/workflows/clang-tidy.yml b/.github/workflows/clang-tidy.yml
deleted file mode 100644
index 3cbb5effcfc..00000000000
--- a/.github/workflows/clang-tidy.yml
+++ /dev/null
@@ -1,50 +0,0 @@
-# Syntax reference https://help.github.com/en/actions/reference/workflow-syntax-for-github-actions
-# Environment reference https://help.github.com/en/actions/reference/virtual-environments-for-github-hosted-runners
-name: clang-tidy
-
-on: [push, pull_request]
-
-jobs:
-  build:
-
-    runs-on: ubuntu-20.04
-
-    container:
-      image: "ubuntu:21.10"
-
-    steps:
-      - uses: actions/checkout@v2
-
-      - name: Install missing software
-        run: |
-          apt-get update
-          apt-get install -y cmake g++ make
-          apt-get install -y z3 libz3-dev
-          apt-get install -y libpcre3-dev
-          apt-get install -y libffi7 # work around missing dependency for Qt install step
-          apt-get install -y software-properties-common
-          add-apt-repository universe
-          apt-get update
-          apt-get install -y clang-tidy-13
-
-      - name: Install Qt
-        uses: jurplel/install-qt-action@v2
-        with:
-          install-deps: 'nosudo'
-          version: '5.15.2'
-          modules: 'qtcharts'
-
-      - name: Prepare CMake
-        run: |
-          mkdir cmake.output
-          cd cmake.output
-          cmake -G "Unix Makefiles" -DUSE_Z3=On -DHAVE_RULES=On -DBUILD_TESTS=On -DBUILD_GUI=On -DBUILD_TESTS=On -DBUILD_GUI=On -DWITH_QCHART=On -DCMAKE_GLOBAL_AUTOGEN_TARGET=On ..
-          cd ..
-
-      - name: Clang-Tidy
-        run: |
-          # make sure the precompiled headers exist
-          make -C cmake.output lib/CMakeFiles/lib_objs.dir/cmake_pch.hxx.cxx
-          make -C cmake.output test/CMakeFiles/testrunner.dir/cmake_pch.hxx.cxx
-          make -C cmake.output autogen
-          cmake --build cmake.output --target run-clang-tidy 2> /dev/null
diff --git a/.github/workflows/codeql-analysis.yml b/.github/workflows/codeql-analysis.yml
deleted file mode 100644
index 1734626ef15..00000000000
--- a/.github/workflows/codeql-analysis.yml
+++ /dev/null
@@ -1,44 +0,0 @@
-name: "CodeQL"
-
-on: [push, pull_request]
-
-jobs:
-  analyze:
-    name: Analyze
-    runs-on: ubuntu-20.04
-
-    strategy:
-      fail-fast: false
-      matrix:
-        # Override automatic language detection by changing the below list
-        # Supported options are ['csharp', 'cpp', 'go', 'java', 'javascript', 'python']
-        language: ['cpp', 'python']
-        # Learn more...
-        # https://docs.github.com/en/github/finding-security-vulnerabilities-and-errors-in-your-code/configuring-code-scanning#overriding-automatic-language-detection
-
-    steps:
-    - name: Checkout repository
-      uses: actions/checkout@v2
-      
-    - name: Install missing software on ubuntu
-      run: |
-         sudo apt-get update
-         sudo apt-get install libxml2-utils
-         sudo apt-get install libz3-dev libz3-4
-
-    # Initializes the CodeQL tools for scanning.
-    - name: Initialize CodeQL
-      uses: github/codeql-action/init@v1
-      with:
-        languages: ${{ matrix.language }}
-        # If you wish to specify custom queries, you can do so here or in a config file.
-        # By default, queries listed here will override any specified in a config file.
-        # Prefix the list here with "+" to use these queries and those in the config file.
-        # queries: ./path/to/local/query, your-org/your-repo/queries@main
-        setup-python-dependencies: false 
-
-    - run: |
-         make -j$(nproc) USE_Z3=yes HAVE_RULES=yes cppcheck
-
-    - name: Perform CodeQL Analysis
-      uses: github/codeql-action/analyze@v1
diff --git a/.github/workflows/coverage.yml b/.github/workflows/coverage.yml
deleted file mode 100644
index 120db3e9fd1..00000000000
--- a/.github/workflows/coverage.yml
+++ /dev/null
@@ -1,50 +0,0 @@
-# Syntax reference https://help.github.com/en/actions/reference/workflow-syntax-for-github-actions
-# Environment reference https://help.github.com/en/actions/reference/virtual-environments-for-github-hosted-runners
-name: Coverage
-
-on: [push, pull_request]
-
-jobs:
-  build:
-
-    runs-on: ubuntu-20.04
-
-    steps:
-      - uses: actions/checkout@v2
-
-      - name: Install missing software on ubuntu
-        run: |
-          sudo apt-get update
-          sudo apt-get install libxml2-utils
-          sudo apt-get install libz3-dev libz3-4
-          sudo apt-get install lcov
-          sudo apt-get install libcppunit-dev
-          python -m pip install pip --upgrade
-          python -m pip install lcov_cobertura
-
-      - name: Compile instrumented
-        run: |
-          make -j$(nproc) test CXXFLAGS="-g -fprofile-arcs -ftest-coverage" USE_Z3=yes HAVE_RULES=yes
-          
-      - name: Generate coverage report
-        run: |
-          rm -rf coverage_report
-          ./testrunner
-          test/cfg/runtests.sh
-          gcov lib/*.cpp -o lib/
-          lcov --directory ./ --capture --output-file lcov_tmp.info -b ./
-          lcov --extract lcov_tmp.info "$(pwd)/*" --output-file lcov.info
-          genhtml lcov.info -o coverage_report --frame --legend --demangle-cpp
-          
-      - uses: actions/upload-artifact@v2
-        with:
-         name: Coverage results
-         path: coverage_report
-         
-      - uses: codecov/codecov-action@v1.2.1
-        with:
-          # token: ${{ secrets.CODECOV_TOKEN }} # not required for public repos
-          # file: ./coverage.xml # optional
-          flags: unittests # optional
-          name: ${{ github.repository }} # optional
-          fail_ci_if_error: true # optional (default = false):  
diff --git a/.github/workflows/format.yml b/.github/workflows/format.yml
deleted file mode 100644
index 8d5f8a19b64..00000000000
--- a/.github/workflows/format.yml
+++ /dev/null
@@ -1,37 +0,0 @@
-# Syntax reference https://help.github.com/en/actions/reference/workflow-syntax-for-github-actions
-# Environment reference https://help.github.com/en/actions/reference/virtual-environments-for-github-hosted-runners
-name: format
-
-on: [push, pull_request]
-
-jobs:
-  build:
-
-    runs-on: ubuntu-20.04
-
-    steps:
-      - uses: actions/checkout@v2
-
-      - name: Cache uncrustify
-        uses: actions/cache@v2
-        id: cache-uncrustify
-        with:
-          path: |
-            ~/uncrustify
-          key: ${{ runner.os }}-uncrustify
-
-      - name: build uncrustify
-        if: steps.cache-uncrustify.outputs.cache-hit != 'true'
-        run: |
-          wget https://github.com/uncrustify/uncrustify/archive/refs/tags/uncrustify-0.72.0.tar.gz
-          tar xzvf uncrustify-0.72.0.tar.gz && cd uncrustify-uncrustify-0.72.0 
-          mkdir build 
-          cd build 
-          cmake -DCMAKE_BUILD_TYPE=Release .. 
-          make -j$(nproc) -s 
-          mkdir ~/uncrustify 
-          cp uncrustify ~/uncrustify/
-
-      - name: Uncrustify check
-        run: |
-          ~/uncrustify/uncrustify -c .uncrustify.cfg -l CPP --check */*.cpp */*.h
diff --git a/.github/workflows/release-windows.yml b/.github/workflows/release-windows.yml
deleted file mode 100644
index f63271f595b..00000000000
--- a/.github/workflows/release-windows.yml
+++ /dev/null
@@ -1,121 +0,0 @@
-# Some convenient links:
-# - https://github.com/actions/virtual-environments/blob/master/images/win/Windows2019-Readme.md
-#
-
-name: release-windows
-
-on:
-  push:
-    tags:
-      - '2.*'
-  schedule:
-    - cron:  '0 0 * * *'
-  workflow_dispatch:
-
-defaults:
-  run:
-    shell: cmd
-
-jobs:
-
-  build:
-
-    runs-on: windows-2019
-
-    steps:
-      - uses: actions/checkout@v2
-
-      - name: Setup msbuild.exe
-        uses: microsoft/setup-msbuild@v1.0.2
-
-      - name: Install PCRE
-        run: |
-          curl -fsSL https://github.com/pfultz2/pcre/archive/refs/tags/8.45.zip -o pcre-8.45.zip
-          7z x pcre-8.45.zip
-          cd pcre-8.45
-          cmake . -G "Visual Studio 16 2019" -A x64
-          msbuild -m PCRE.sln /p:Configuration=Release /p:Platform=x64
-          dir
-          dir Release
-          dir x64
-          dir x64\Release
-          copy pcre.h ..\externals
-          copy Release\pcre.lib ..\externals\pcre64.lib
-
-      - name: Install Z3 library
-        run: |
-          curl -fsSL https://github.com/Z3Prover/z3/releases/download/z3-4.8.7/z3-4.8.7-x64-win.zip -o z3-4.8.7-win.zip
-          7z x z3-4.8.7-win.zip -oexternals -r -y
-          move externals\z3-4.8.7-x64-win externals\z3
-
-      - name: Install Qt
-        uses: jurplel/install-qt-action@v2
-        with:
-          version: '5.15.2'
-          modules: 'qtcharts qthelp'
-
-      - name: Create .qm
-        run: |
-          cd gui
-          lupdate gui.pro
-          lrelease gui.pro -removeidentical
-
-      - name: Matchcompiler
-        run: python tools\matchcompiler.py --write-dir lib
-
-      - name: Build x64 release GUI
-        run: |
-          call "C:\Program Files (x86)\Microsoft Visual Studio\2019\Enterprise\VC\Auxiliary\Build\vcvars64.bat"
-          cd gui
-          qmake HAVE_QCHART=yes
-          nmake release
-        env:
-          CL: /MP
-
-      - name: Deploy app
-        run: |
-          windeployqt Build\gui
-          del Build\gui\cppcheck-gui.ilk
-          del Build\gui\cppcheck-gui.pdb
-
-      - name: Build CLI x64 release configuration using MSBuild
-        run: msbuild -m cppcheck.sln /t:cli /p:Configuration=Release-PCRE /p:Platform=x64
-
-      - name: Collect files
-        run: |
-          move Build\gui win_installer\files
-          mkdir win_installer\files\addons
-          copy addons\*.* win_installer\files\addons
-          mkdir win_installer\files\cfg
-          copy cfg\*.cfg win_installer\files\cfg
-          mkdir win_installer\files\platforms
-          copy platforms\*.xml win_installer\files\platforms
-          copy bin\cppcheck.exe win_installer\files
-          copy bin\cppcheck-core.dll win_installer\files
-          copy externals\z3\bin\libz3.dll win_installer\files
-          mkdir win_installer\files\help
-          xcopy /s gui\help win_installer\files\help
-          del win_installer\files\translations\*.qm
-          move gui\*.qm win_installer\files\translations
-
-
-      - name: Build Installer
-        run: |
-          call "C:\Program Files (x86)\Microsoft Visual Studio\2019\Enterprise\VC\Auxiliary\Build\vcvars64.bat"
-          cd win_installer
-          REM Read ProductVersion
-          for /f "tokens=4 delims= " %%a in ('find "ProductVersion" productInfo.wxi') do set PRODUCTVER=%%a
-          REM Remove double quotes
-          set PRODUCTVER=%PRODUCTVER:"=%
-          echo ProductVersion=%PRODUCTVER%
-          msbuild -m cppcheck.wixproj /p:Platform=x64,ProductVersion=%PRODUCTVER%.${{ github.run_number }}
-
-      - uses: actions/upload-artifact@v2
-        with:
-          name: installer
-          path: win_installer/Build/
-
-      - uses: actions/upload-artifact@v2
-        with:
-          name: deploy
-          path: win_installer\files
diff --git a/.github/workflows/scriptcheck.yml b/.github/workflows/scriptcheck.yml
deleted file mode 100644
index 9bb5dec874a..00000000000
--- a/.github/workflows/scriptcheck.yml
+++ /dev/null
@@ -1,107 +0,0 @@
-# Syntax reference https://help.github.com/en/actions/reference/workflow-syntax-for-github-actions
-# Environment reference https://help.github.com/en/actions/reference/virtual-environments-for-github-hosted-runners
-name: scriptcheck
-
-on: [push, pull_request]
-
-jobs:
-  build:
-
-    runs-on: ubuntu-20.04
-    strategy:
-      matrix:
-        python-version: [2.7, 3.5, 3.6, 3.7, 3.8, 3.9, '3.10']
-      fail-fast: false
-
-    steps:
-      - uses: actions/checkout@v2
-
-      - name: Set up Python ${{ matrix.python-version }}
-        uses: actions/setup-python@v2
-        with:
-          python-version: ${{ matrix.python-version }}
-
-      - name: Install missing software on ubuntu
-        run: |
-          sudo apt-get update
-          sudo apt-get install tidy libxml2-utils
-
-      - name: Install missing software on ubuntu (Python 2)
-        if: matrix.python-version == '2.7'
-        run: |
-          python -m pip install pip --upgrade
-          python -m pip install pytest
-          python -m pip install pygments
-
-      - name: Install missing software on ubuntu (Python 3)
-        if: matrix.python-version != '2.7'
-        run: |
-          sudo apt-get install shellcheck
-          python -m pip install pip --upgrade
-          python -m pip install natsort
-          python -m pip install pexpect
-          python -m pip install pylint
-          python -m pip install unittest2
-          python -m pip install pytest
-          python -m pip install pygments
-          python -m pip install requests
-          python -m pip install psutil
-
-      - name: run Shellcheck
-        if: matrix.python-version == '3.10'
-        run: |
-          find . -name "*.sh" | xargs shellcheck --exclude SC2002,SC2013,SC2034,SC2035,SC2043,SC2046,SC2086,SC2089,SC2090,SC2129,SC2211,SC2231
-
-      - name: run pylint
-        if: matrix.python-version == '3.10'
-        run: |
-          pylint --rcfile=pylintrc_travis --jobs $(nproc) addons/*.py htmlreport/cppcheck-htmlreport htmlreport/*.py tools/*.py
-
-      - name: check .json files
-        if: matrix.python-version == '3.10'
-        run: |
-          find . -name '*.json' | xargs -n 1 python -m json.tool > /dev/null
-
-      - name: Validate
-        if: matrix.python-version == '3.10'
-        run: |
-          make -j$(nproc) validateCFG validatePlatforms validateRules
-
-      - name: check python syntax
-        if: matrix.python-version != '2.7'
-        run: |
-          python -m py_compile addons/*.py
-          python -m py_compile htmlreport/cppcheck-htmlreport
-          python -m py_compile htmlreport/*.py
-          python -m py_compile tools/*.py
-
-      - name: compile addons
-        run: |
-          python -m compileall ./addons
-
-      - name: test matchcompiler
-        run: |
-          python tools/test_matchcompiler.py
-
-      - name: build cppcheck
-        run: |
-          make -j$(nproc) -s
-
-      - name: test addons
-        run: |
-          python -m pytest addons/test/test-*.py
-        env:
-          PYTHONPATH: ./addons
-
-      - name: test htmlreport
-        run: |
-          htmlreport/test_htmlreport.py
-          cd htmlreport
-          ./check.sh
-
-      - name: dmake
-        if: matrix.python-version == '3.10'
-        run: |
-          make -j$(nproc) run-dmake
-          git diff --exit-code
-
diff --git a/.github/workflows/ubsan.yml b/.github/workflows/ubsan.yml
deleted file mode 100644
index f50ef22c7b3..00000000000
--- a/.github/workflows/ubsan.yml
+++ /dev/null
@@ -1,43 +0,0 @@
-# Syntax reference https://help.github.com/en/actions/reference/workflow-syntax-for-github-actions
-# Environment reference https://help.github.com/en/actions/reference/virtual-environments-for-github-hosted-runners
-name: undefined behaviour sanitizers
-
-on: [push, pull_request]
-
-jobs:
-  build:
-
-    runs-on: ubuntu-20.04
-
-    env:
-      UBSAN_OPTIONS: print_stacktrace=1:halt_on_error=1
-
-    steps:
-      - uses: actions/checkout@v2
-
-      - name: Install missing software on ubuntu
-        run: |
-          sudo apt-get update
-          sudo apt-get install libz3-4 libz3-dev
-
-      - name: Build
-        run: make -j$(nproc) cppcheck testrunner USE_Z3=yes HAVE_RULES=yes MATCHCOMPILER=yes VERIFY=1
-        env:
-          CC: clang
-          CXX: clang++
-          CXXFLAGS: "-fsanitize=undefined -fsanitize=nullability -fno-sanitize=signed-integer-overflow -O1 -g3 -DCPPCHK_GLIBCXX_DEBUG"
-          CPPFLAGS: "-DCHECK_INTERNAL"
-
-      - name: Run tests
-        run: ./testrunner
-
-      - name: Self check
-        run: |
-          ./cppcheck -q -j$(nproc) --std=c++11 --template=selfcheck -D__CPPCHECK__ --error-exitcode=1 --inline-suppr --suppressions-list=.travis_suppressions --library=cppcheck-lib -Ilib -Iexternals/simplecpp/ -Iexternals/tinyxml2/ -Icli --inconclusive --enable=style,performance,portability,warning,internal --exception-handling --debug-warnings cli lib
-          ./cppcheck -q -j$(nproc) --std=c++11 --template=selfcheck -D__CPPCHECK__ -DQT_VERSION=0x050000 --error-exitcode=1 --inline-suppr --suppressions-list=.travis_suppressions --library=qt -Ilib -Iexternals/simplecpp/ -Iexternals/tinyxml2/ --enable=style,performance,portability,warning,internal --exception-handling --debug-warnings gui/*.cpp
-          ./cppcheck -q -j$(nproc) --std=c++11 --template=selfcheck -D__CPPCHECK__ --error-exitcode=1 --inline-suppr --suppressions-list=.travis_suppressions --library=cppcheck-lib -Ilib -Iexternals/simplecpp/ -Iexternals/tinyxml2/ -Icli -Igui --inconclusive --enable=style,performance,portability,warning,internal --exception-handling --debug-warnings test/*.cpp tools
-
-# This takes too long time right now
-#      - name: Bughunting lib
-#        run: ./cppcheck -D__CPPCHECK__ --bug-hunting -j$(nproc) lib
-
diff --git a/.github/workflows/valgrind.yml b/.github/workflows/valgrind.yml
deleted file mode 100644
index 5f9bb5b978d..00000000000
--- a/.github/workflows/valgrind.yml
+++ /dev/null
@@ -1,52 +0,0 @@
-# Syntax reference https://help.github.com/en/actions/reference/workflow-syntax-for-github-actions
-# Environment reference https://help.github.com/en/actions/reference/virtual-environments-for-github-hosted-runners
-name: valgrind
-
-on: [push, pull_request]
-
-jobs:
-  build:
-
-    runs-on: ubuntu-20.04
-
-    steps:
-      - uses: actions/checkout@v2
-        
-      - name: Prepare
-        run: |
-          sudo apt-get update
-          sudo apt-get install debian-goodies ubuntu-dbgsym-keyring
-          # the key expired and the ubuntu-dbgsym-keyring package does not yet include the latest one - see https://bugs.launchpad.net/ubuntu/+source/ubuntu-keyring/+bug/1920640
-          wget -O - http://ddebs.ubuntu.com/dbgsym-release-key.asc | sudo apt-key add -
-
-      - name: Add debug repos on ubuntu
-        run:  |
-           echo "deb http://ddebs.ubuntu.com $(lsb_release -cs) main restricted universe multiverse" | sudo tee -a /etc/apt/sources.list.d/ddebs.list
-           echo "deb http://ddebs.ubuntu.com $(lsb_release -cs)-updates main restricted universe multiverse" | sudo tee -a /etc/apt/sources.list.d/ddebs.list
-           echo "deb http://ddebs.ubuntu.com $(lsb_release -cs)-proposed main restricted universe multiverse" | sudo tee -a /etc/apt/sources.list.d/ddebs.list
-
-      - name: Install missing software
-        run: |
-          sudo apt-get update
-          sudo apt-get install libxml2-utils
-          sudo apt-get install valgrind
-          sudo apt-get install libz3-dev libz3-4 libz3-4-dbgsym
-          sudo apt-get install libc6-dbg-amd64-cross
-
-      - name: Build cppcheck
-        run: |
-          CXXFLAGS="-O1 -g" make -j$(nproc) USE_Z3=yes HAVE_RULES=yes MATCHCOMPILER=yes
-
-      - name: Build test
-        run: |
-          CXXFLAGS="-O1 -g" make -j$(nproc) testrunner USE_Z3=yes HAVE_RULES=yes MATCHCOMPILER=yes
-
-      - name: Run valgrind
-        run: |
-          valgrind --error-limit=yes --leak-check=full --num-callers=50 --show-reachable=yes --track-origins=yes --suppressions=valgrind/testrunner.supp --gen-suppressions=all --log-fd=9 --error-exitcode=42 ./testrunner TestGarbage TestOther TestSimplifyTemplate 9>memcheck.log
-          cat memcheck.log
-          
-      - uses: actions/upload-artifact@v2
-        with:
-          name: Logs
-          path: ./*.log
diff --git a/appveyor.yml b/appveyor.yml
deleted file mode 100644
index c4b6a19aa4f..00000000000
--- a/appveyor.yml
+++ /dev/null
@@ -1,72 +0,0 @@
-version: '{build}'
-
-clone_depth: 10
-
-matrix:
-  fast_finish: true
-
-environment:
-  matrix:
-    - VisualStudioVersion: 12.0
-      platform: x64
-      configuration: Debug
-      vcvarsall_platform: x64
-      PlatformToolset: v120
-      MYQTDIR: C:\Qt\5.6\msvc2013_64
-    - VisualStudioVersion: 12.0
-      platform: x64
-      configuration: Release
-      vcvarsall_platform: x64
-      PlatformToolset: v120
-# FIXME: These are disabled for now. They were broken by ae8653612802b41b70424ec9a5eefe8a1178f6d1
-#    - VisualStudioVersion: 14.0
-#      platform: x64
-#      configuration: Debug
-#      vcvarsall_platform: x64
-#      PlatformToolset: v140
-#      MYQTDIR: C:\Qt\5.11\msvc2015_64
-# That platform causes frequent errors on appveyor due to an unknown infrastructure failure
-#    - VisualStudioVersion: 14.0
-#      platform: x64
-#      configuration: Release
-#      vcvarsall_platform: x64
-#      PlatformToolset: v140
-
-install:
-  - curl -fsSL https://github.com/Z3Prover/z3/releases/download/z3-4.8.9/z3-4.8.9-%platform%-win.zip -o z3-4.8.9-win.zip
-  - 7z x z3-4.8.9-win.zip -oexternals -r -y
-  - move externals\z3-4.8.9-%platform%-win externals\z3
-
-build_script:
-  - ECHO Building %configuration% %platform% with MSVC %VisualStudioVersion% using %PlatformToolset% PlatformToolset
-  - 'CALL "C:\Program Files (x86)\Microsoft Visual Studio %VisualStudioVersion%\VC\vcvarsall.bat" %vcvarsall_platform%'
-  # Visual studio project..
-  - mkdir vsbuild
-  - cd vsbuild
-  - cmake -DBUILD_TESTS=ON -DCTEST_TIMEOUT=240 ..
-  - cmake --build . --target check --config %configuration%
-  - cd ..
-  # the following builds are Debug ones so do not perform them in Release jobs
-  - 'IF "%configuration%" == "Release" exit /b 0'
-  # use all available processes for nmake
-  - set CL=/MP
-  # cmake..
-  - mkdir build
-  - cd build
-  - cmake -DBUILD_TESTS=ON -G"NMake Makefiles" ..
-  - nmake
-  - copy bin\cppcheck.exe ..
-  - cd ..
-  # build gui..
-  - ECHO MYQTDIR=%MYQTDIR%
-  - 'IF defined MYQTDIR cd gui'
-  - 'IF defined MYQTDIR set QTDIR=%MYQTDIR%'
-  - 'IF defined MYQTDIR set PATH=%PATH%;%QTDIR%\bin'
-  - 'IF defined MYQTDIR %QTDIR%\bin\qmake'
-  - 'IF defined MYQTDIR nmake'
-  - 'IF defined MYQTDIR cd ..'
-
-test_script:
-  - build\bin\testrunner.exe -q
-  - IF EXIST bin\debug\testrunner.exe bin\debug\testrunner.exe -q
-  - IF EXIST bin\testrunner.exe bin\testrunner.exe -q