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