MAYBE

'Pop* with parameter subtitution (timeout of 60.0 seconds)'
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Answer:           MAYBE
Input Problem:    innermost relative runtime-complexity with respect to
  Strict Rules: {a() -> b()}
  Weak Rules:
    {  f(x) -> g(a(), b())
     , g(x, y) -> g(f(x), f(y))}

Proof Output:    
  The input cannot be shown compatible