TRS:
 {g(0(), f(x, x)) -> x,
       g(x, s(y)) -> g(f(x, y), 0()),
       g(s(x), y) -> g(f(x, y), 0()),
  g(f(x, y), 0()) -> f(g(x, 0()), g(y, 0()))}
 Cdiprover:
  Interpretation class: pizerosimplemixed
  Complexity bound: POLYTIME COMPUTABLE
  s(X4) = + 1*X4 + 3
  f(X3, X2) = + 1*X2 + 1*X3 + 1
  0 = + 1
  g(X1, X0) = + 1*X1^2 + 3*X0^2 + 2*X1 + 0 + 1*X0 + 3*X0*X1
  
  Qed