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


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NO

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

Proof:
 Unfolding Processor:
  loop length: 2
  terms:
   b(a(x18))
   b(b(a(x18)))
  context: []
  substitution:
   x18 -> b(x18)
  Qed