TRS:
 {g(s(x)) -> f(x),
   f(0()) -> s(0()),
  f(s(x)) -> s(s(g(x))),
   g(0()) -> 0()}
 Cdiprover:
  Interpretation class: pizerosimplemixed
  Complexity bound: POLYTIME COMPUTABLE
  0 = + 1
  s(X2) = + 1*X2 + 1
  g(X1) = + 0*X1^2 + 0 + 3*X1
  f(X0) = + 0*X0^2 + 0 + 3*X0
  
  Qed