YES
Input TRS:
      1: f(f(a(),f(a(),a())),x) -> f(x,f(f(a(),a()),a()))
Number of strict rules: 1
Direct POLO(bPol) ... failed.
Uncurrying f
      1: f^2_a(f^1_a(a()),x) -> f(x,f^2_a(a(),a()))
      2: f(a(),_1) ->= f^1_a(_1)
      3: f(f^1_a(_1),_2) ->= f^2_a(_1,_2)
Number of strict rules: 1
Direct POLO(bPol) ... removes: 1 3 2
      a 	w: 1
      f 	w: x1 + 2 * x2 + 5
      f^1_a	w: 2 * x1 + 5
      f^2_a	w: 2 * x1 + 2 * x2
Number of strict rules: 0