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