MAYBE

'epo* (timeout of 60.0 seconds)'
--------------------------------
Answer:           MAYBE
Input Problem:    innermost runtime-complexity with respect to
  Rules:
    {  f(c(X, s(Y))) -> f(c(s(X), Y))
     , g(c(s(X), Y)) -> f(c(X, s(Y)))}

Proof Output:    
  The input cannot be shown compatible