/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(x1) -> x1
 a(b(x1)) -> b(a(a(c(b(x1)))))
 b(x1) -> a(x1)
 c(c(x1)) -> x1

Proof:
 Unfolding Processor:
  loop length: 7
  terms:
   a(b(c(b(x3827))))
   b(a(a(c(b(c(b(x3827)))))))
   b(a(a(c(a(c(b(x3827)))))))
   b(a(a(c(c(b(x3827))))))
   b(a(a(b(x3827))))
   b(a(b(a(a(c(b(x3827)))))))
   b(a(b(a(c(b(x3827))))))
  context: b([])
  substitution:
   x3827 -> x3827
  Qed