travis: simplify task of bots timing out

Author: nunoplopes

.travis.yml

@@ -23,23 +23,21 @@ env:
 
     # clang
     #too slow; times out: - LINUX_BASE=ubuntu_18.04 C_COMPILER=clang CXX_COMPILER=clang++ TARGET_ARCH=x86_64 Z3_BUILD_TYPE=Debug UBSAN_BUILD=1 RUN_UNIT_TESTS=BUILD_AND_RUN
-    - LINUX_BASE=ubuntu_18.04 C_COMPILER=clang CXX_COMPILER=clang++ TARGET_ARCH=x86_64 Z3_BUILD_TYPE=Debug ASAN_BUILD=1 RUN_UNIT_TESTS=BUILD_AND_RUN
+    - LINUX_BASE=ubuntu_18.04 C_COMPILER=clang CXX_COMPILER=clang++ TARGET_ARCH=x86_64 Z3_BUILD_TYPE=Debug ASAN_BUILD=1 RUN_UNIT_TESTS=BUILD_AND_RUN DOTNET_BINDINGS=0 JAVA_BINDINGS=0 PYTHON_BINDINGS=0
     - LINUX_BASE=ubuntu_18.04 C_COMPILER=clang CXX_COMPILER=clang++ TARGET_ARCH=x86_64 Z3_BUILD_TYPE=Release UBSAN_BUILD=1 RUN_UNIT_TESTS=BUILD_AND_RUN
     - LINUX_BASE=ubuntu_18.04 C_COMPILER=clang CXX_COMPILER=clang++ TARGET_ARCH=x86_64 Z3_BUILD_TYPE=RelWithDebInfo ASAN_BUILD=1 RUN_UNIT_TESTS=BUILD_AND_RUN UBSAN_BUILD=1 RUN_API_EXAMPLES=0 RUN_SYSTEM_TESTS=0 DOTNET_BINDINGS=0 JAVA_BINDINGS=0 PYTHON_BINDINGS=0
 
     # gcc
-    - LINUX_BASE=ubuntu_18.04 C_COMPILER=gcc CXX_COMPILER=g++ TARGET_ARCH=x86_64 Z3_BUILD_TYPE=Release UBSAN_BUILD=1 RUN_UNIT_TESTS=BUILD_AND_RUN
+    # ubsan/msan builds too slow
+    - LINUX_BASE=ubuntu_18.04 C_COMPILER=gcc CXX_COMPILER=g++ TARGET_ARCH=x86_64 Z3_BUILD_TYPE=Release RUN_UNIT_TESTS=BUILD_AND_RUN
     - LINUX_BASE=ubuntu_18.04 C_COMPILER=gcc CXX_COMPILER=g++ TARGET_ARCH=x86_64 Z3_BUILD_TYPE=Debug RUN_UNIT_TESTS=BUILD_AND_RUN
-    # 18.04's gcc asan lib doesn't support pthread_atfork. TODO: enable for ubuntu 20.04
-    #- LINUX_BASE=ubuntu_18.04 C_COMPILER=gcc CXX_COMPILER=g++ TARGET_ARCH=x86_64 Z3_BUILD_TYPE=Debug ASAN_BUILD=1 RUN_UNIT_TESTS=BUILD_AND_RUN
 
-    # Both of the two configurations below build the docs because the current
-    # implementation uses python as part of the building process.
-    # TODO: Teach one of the configurations to upload built docs somewhere.
+    # GMP library
+    - LINUX_BASE=ubuntu_18.04 C_COMPILER=gcc CXX_COMPILER=g++ TARGET_ARCH=x86_64 Z3_BUILD_TYPE=Release USE_LIBGMP=1 RUN_UNIT_TESTS=BUILD_AND_RUN
+    - LINUX_BASE=ubuntu_18.04 C_COMPILER=gcc CXX_COMPILER=g++ TARGET_ARCH=x86_64 Z3_BUILD_TYPE=Debug USE_LIBGMP=1 RUN_UNIT_TESTS=BUILD_AND_RUN
+
     # Test with Python 3 and API docs
-    - LINUX_BASE=ubuntu_18.04 PYTHON_EXECUTABLE=/usr/bin/python3 BUILD_DOCS=1
-    # Test with LibGMP and API docs
-    - LINUX_BASE=ubuntu_18.04 TARGET_ARCH=x86_64 USE_LIBGMP=1 BUILD_DOCS=1 PYTHON_EXECUTABLE=/usr/bin/python2.7
+    - LINUX_BASE=ubuntu_18.04 BUILD_DOCS=1
 
     # Unix Makefile generator build
     - LINUX_BASE=ubuntu_18.04 TARGET_ARCH=x86_64 Z3_CMAKE_GENERATOR="Unix Makefiles"

contrib/ci/Dockerfiles/z3_base_ubuntu_18.04.Dockerfile

@@ -14,8 +14,6 @@ RUN apt-get update && \
         graphviz \
         python3 \
         python3-setuptools \
-        python2.7 \
-        python-setuptools \
         sudo
 
 RUN curl -SL https://packages.microsoft.com/config/ubuntu/16.04/packages-microsoft-prod.deb --output packages-microsoft-prod.deb && \