/export/starexec/sandbox2/solver/bin/starexec_run_ttt2-1.17+nonreach /export/starexec/sandbox2/benchmark/theBenchmark.xml /export/starexec/sandbox2/output/output_files


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MAYBE

Problem:
 strict:
  minus(x,0()) -> x
  minus(s(x),s(y)) -> minus(x,y)
  f(0()) -> s(0())
  f(s(x)) -> minus(s(x),g(f(x)))
  g(0()) -> 0()
  g(s(x)) -> minus(s(x),f(g(x)))
 weak:
  rand(x) -> x
  rand(x) -> rand(s(x))

Proof:
 Open