/export/starexec/sandbox2/solver/bin/starexec_run_ttt2 /export/starexec/sandbox2/benchmark/theBenchmark.xml /export/starexec/sandbox2/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 15607
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 17003
MAYBE

Problem:
 and(tt(),tt()) -> tt()
 is_nat(0()) -> tt()
 is_nat(s(x)) -> is_nat(x)
 is_natlist(nil()) -> tt()
 is_natlist(cons(x,xs)) -> and(is_nat(x),is_natlist(xs))
 from(x) -> fromCond(is_natlist(x),x)
 fromCond(tt(),cons(x,xs)) -> from(cons(s(x),cons(x,xs)))

Proof:
 Open