/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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MAYBE

Problem:
 strict:
  a(d(x1)) -> d(b(x1))
  a(x1) -> b(b(b(x1)))
  d(x1) -> x1
  a(x1) -> x1
  b(c(x1)) -> c(d(d(x1)))
  a(c(x1)) -> b(b(c(d(x1))))
 weak:
  b(d(b(x1))) -> a(d(x1))
  a(d(x1)) -> b(d(b(x1)))

Proof:
 Open