https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109031
--- Comment #16 from Martin Liška <marxin at gcc dot gnu.org> --- (In reply to David Binderman from comment #15) > (In reply to Martin Liška from comment #14) > > > cvise is written in perl, isn't it ? You've got my cvise script. > > > > No, it's written in Python. > > Of course. How stupid of me. > > > So show me how you run cvise then? > > $ cvise --n 8 qwe.sh bug892.c > > where qwe.sh is the script shown above and bug892.c is the csmith > produced C source code I am trying to reduce. and what error do you see? Then please run: bash -x qwe.sh bug892.c