yosys_backend(smt2 smt2.cc REQUIRES json11 DATA_DIR python3 DATA_FILES smtio.py ywio.py REQUIRES bmuxmap demuxmap ) yosys_python_executable(yosys-smtbmc smtbmc.py INSTALL_IF YOSYS_INSTALL_DRIVER OR YOSYS_INSTALL_LIBRARY ) yosys_python_executable(yosys-witness witness.py INSTALL_IF YOSYS_INSTALL_DRIVER OR YOSYS_INSTALL_LIBRARY )