/export/starexec/sandbox2/solver/bin/starexec_run_ttt2-1.17+nonreach /export/starexec/sandbox2/benchmark/theBenchmark.xml /export/starexec/sandbox2/output/output_files


--------------------------------------------------------------------------------


NO

Problem:
 a(b(x)) -> b(b(a(a(x))))

Proof:
 Unfolding Processor:
  loop length: 2
  terms:
   a(b(b(x8)))
   b(b(a(a(b(x8)))))
  context: b(b([]))
  substitution:
   x8 -> a(a(x8))
  Qed