/export/starexec/sandbox/solver/bin/starexec_run_ttt2 /export/starexec/sandbox/benchmark/theBenchmark.xml /export/starexec/sandbox/output/output_files


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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 51290
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 52743
NO

Problem:
 from(X) -> cons(X,n__from(n__s(X)))
 length(n__nil()) -> 0()
 length(n__cons(X,Y)) -> s(length1(activate(Y)))
 length1(X) -> length(activate(X))
 from(X) -> n__from(X)
 s(X) -> n__s(X)
 nil() -> n__nil()
 cons(X1,X2) -> n__cons(X1,X2)
 activate(n__from(X)) -> from(activate(X))
 activate(n__s(X)) -> s(activate(X))
 activate(n__nil()) -> nil()
 activate(n__cons(X1,X2)) -> cons(activate(X1),X2)
 activate(X) -> X

Proof:
 Unfolding Processor:
  loop length: 6
  terms:
   length(activate(activate(n__from(x389899))))
   length(activate(n__from(x389899)))
   length(from(activate(x389899)))
   length(cons(activate(x389899),n__from(n__s(activate(x389899)))))
   length(n__cons(activate(x389899),n__from(n__s(activate(x389899)))))
   s(length1(activate(n__from(n__s(activate(x389899))))))
  context: s([])
  substitution:
   x389899 -> n__s(activate(x389899))
  Qed