MAYBE
Time: 0.000574
TRS:
 {f(x, f(f(a(), a()), a())) -> f(f(a(), f(a(), a())), x)}
 DP:
  DP:
   {f#(x, f(f(a(), a()), a())) -> f#(f(a(), f(a(), a())), x),
    f#(x, f(f(a(), a()), a())) -> f#(a(), f(a(), a()))}
  TRS:
  {f(x, f(f(a(), a()), a())) -> f(f(a(), f(a(), a())), x)}
  EDG:
   {(f#(x, f(f(a(), a()), a())) -> f#(f(a(), f(a(), a())), x), f#(x, f(f(a(), a()), a())) -> f#(f(a(), f(a(), a())), x))
    (f#(x, f(f(a(), a()), a())) -> f#(f(a(), f(a(), a())), x), f#(x, f(f(a(), a()), a())) -> f#(a(), f(a(), a())))}
   STATUS:
    arrows: 0.500000
    SCCS (1):
     Scc:
      {f#(x, f(f(a(), a()), a())) -> f#(f(a(), f(a(), a())), x)}
     
     SCC (1):
      Strict:
       {f#(x, f(f(a(), a()), a())) -> f#(f(a(), f(a(), a())), x)}
      Weak:
      {f(x, f(f(a(), a()), a())) -> f(f(a(), f(a(), a())), x)}
      Open