/export/starexec/sandbox/solver/bin/starexec_run_ttt2 /export/starexec/sandbox/benchmark/theBenchmark.xml /export/starexec/sandbox/output/output_files -------------------------------------------------------------------------------- failure 'Failure("No result of SMT solver - maybe due to some flag of the solver? or the solver was not found in PATH?")' in subprocess 11528 failure 'Failure("No result of SMT solver - maybe due to some flag of the solver? or the solver was not found in PATH?")' in subprocess 12111 MAYBE Problem: add(true(),x,xs) -> add(and(isNat(x),isList(xs)),x,Cons(x,xs)) isList(Cons(x,xs)) -> isList(xs) isList(nil()) -> true() isNat(s(x)) -> isNat(x) isNat(0()) -> true() and(true(),true()) -> true() and(false(),x) -> false() and(x,false()) -> false() Proof: Open