MAYBE

'Pop* with parameter subtitution (timeout of 60.0 seconds)'
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Answer:           MAYBE
Input Problem:    innermost runtime-complexity with respect to
  Rules:
    {  minus(x, y) -> cond(ge(x, s(y)), x, y)
     , cond(false(), x, y) -> 0()
     , cond(true(), x, y) -> s(minus(x, s(y)))
     , ge(u, 0()) -> true()
     , ge(0(), s(v)) -> false()
     , ge(s(u), s(v)) -> ge(u, v)}

Proof Output:    
  The input cannot be shown compatible