YES
O(n^2)
TRS:
 {*(x, *(minus(y), y)) -> *(minus(*(y, y)), x)}
 Natural interpretation:
  Strict:
   {*(x, *(minus(y), y)) -> *(minus(*(y, y)), x)}
  Weak:
   {}
  Interpretation class: deltarestricted
  [minus](delta, X0) = + 1*X0 + 1 + 0*X0*delta + 0*delta
  [*](delta, X1, X0) = + 1*X0 + 1*X1 + 0 + 1*X0*delta + 1*X1*delta + 0*delta
  minus_tau_1(delta) = delta/(1 + 0 * delta)
  *_tau_1(delta) = delta/(1 + 1 * delta)*_tau_2(delta) = delta/(1 + 1 * delta)
  
  Qed