YES
Input TRS:
AC symbols: plus
      1: plus(f(x),g(x)) -> plus(g(x),plus(g(x),g(x)))
      2: f(x) -> plus(g(x),a())
Number of strict rules: 2
Direct POLO(bPol) ... removes: 1 2
      a 	w: 0
      f 	w: 2 * x1 + 1
      plus	w: x1 + x2
      g 	w: x1
Number of strict rules: 0