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


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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