MAYBE

'Pop* (timeout of 60.0 seconds)'
--------------------------------
Answer:           MAYBE
Input Problem:    innermost runtime-complexity with respect to
  Rules:
    {  f(x, 0()) -> s(0())
     , f(s(x), s(y)) -> s(f(x, y))
     , g(0(), x) -> g(f(x, x), x)}

Proof Output:    
  The input cannot be shown compatible