Check parallel #330

Job	Run time
ubuntu-latest\|debug\|--enable-mcsat\|CC=gcc CXX=g++	8m 35s
ubuntu-latest\|debug\|--enable-mcsat\|CC=clang CXX=clang++	8m 44s
ubuntu-latest\|debug\|--enable-thread-safety\|CC=gcc CXX=g++	4m 14s
ubuntu-latest\|debug\|--enable-thread-safety\|CC=clang CXX=clang++	4m 28s
ubuntu-latest\|release\|--enable-mcsat\|CC=gcc CXX=g++	5m 1s
ubuntu-latest\|release\|--enable-mcsat\|CC=clang CXX=clang++	5m 16s
ubuntu-latest\|release\|--enable-thread-safety\|CC=gcc CXX=g++	2m 32s
ubuntu-latest\|release\|--enable-thread-safety\|CC=clang CXX=clang++	2m 56s
ubuntu-latest\|gcov\|--enable-mcsat\|CC=gcc CXX=g++	7m 50s
ubuntu-latest\|debug\|--enable-thread-safety --enable-mcsat\|CC=gcc CXX=g++	8m 37s
	58m 13s

Provide feedback