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


--------------------------------------------------------------------------------


MAYBE

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

Proof:
 Open