Do not crash if process was killed before we could kill it with Python < 3.3 where IOError and OSError are separate classes.
Do not crash if process was killed before we could kill it
with Python < 3.3 where IOError and OSError are separate classes.

dbeyer/benchexec,ultimate-pa/benchexec,sosy-lab/benchexec,dbeyer/benchexec,ultimate-pa/benchexec,dbeyer/benchexec,IljaZakharov/benchexec,sosy-lab/benchexec,martin-neuhaeusser/benchexec,sosy-lab/benchexec,ultimate-pa/benchexec,sosy-lab/benchexec,ultimate-pa/benchexec,sosy-lab/benchexec,dbeyer/benchexec,ultimate-pa/benchexec,martin-neuhaeusser/benchexec,martin-neuhaeusser/benchexec,martin-neuhaeusser/benchexec,IljaZakharov/benchexec,ultimate-pa/benchexec,sosy-lab/benchexec,IljaZakharov/benchexec,IljaZakharov/benchexec