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


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NO

Problem:
 f(x,h(y)) -> h(f(f(h(a()),y),x))

Proof:
 Unfolding Processor:
  loop length: 6
  terms:
   f(h(h(x799)),h(h(x877)))
   h(f(f(h(a()),h(x877)),h(h(x799))))
   h(h(f(f(h(a()),h(x799)),f(h(a()),h(x877)))))
   h(h(f(h(f(f(h(a()),x799),h(a()))),f(h(a()),h(x877)))))
   h(h(f(h(h(f(f(h(a()),a()),f(h(a()),x799)))),f(h(a()),h(x877)))))
   h(h(f(h(h(f(f(h(a()),a()),f(h(a()),x799)))),h(f(f(h(a()),x877),h(a()))))))
  context: h(h([]))
  substitution:
   x799 -> f(f(h(a()),a()),f(h(a()),x799))
   x877 -> f(f(h(a()),a()),f(h(a()),x877))
  Qed