/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:
  top(ok(left(car(x,y),z))) -> top(check(right(y,z)))
  top(ok(right(x,car(y,z)))) -> top(check(left(x,z)))
  top(ok(left(bot(),x))) -> top(check(right(bot(),x)))
  top(ok(right(x,bot()))) -> top(check(left(x,bot())))
 weak:
  top(ok(left(car(x,y),z))) -> top(check(left(y,z)))
  top(ok(right(x,car(y,z)))) -> top(check(right(x,z)))
  bot() -> car(new(),bot())
  check(old()) -> ok(old())
  check(car(x,y)) -> car(check(x),y)
  check(car(x,y)) -> car(x,check(y))
  check(left(x,y)) -> left(check(x),y)
  check(left(x,y)) -> left(x,check(y))
  check(right(x,y)) -> right(check(x),y)
  check(right(x,y)) -> right(x,check(y))
  car(ok(x),y) -> ok(car(x,y))
  car(x,ok(y)) -> ok(car(x,y))
  left(ok(x),y) -> ok(left(x,y))
  left(x,ok(y)) -> ok(left(x,y))
  right(ok(x),y) -> ok(right(x,y))
  right(x,ok(y)) -> ok(right(x,y))

Proof:
 Open