MAYBE
Time: 0.000668
TRS:
 {f(f(a(), a()), x) -> f(f(x, a()), f(a(), f(a(), a())))}
 DP:
  DP:
   {f#(f(a(), a()), x) -> f#(x, a()),
    f#(f(a(), a()), x) -> f#(f(x, a()), f(a(), f(a(), a()))),
    f#(f(a(), a()), x) -> f#(a(), f(a(), a()))}
  TRS:
  {f(f(a(), a()), x) -> f(f(x, a()), f(a(), f(a(), a())))}
  EDG:
   {(f#(f(a(), a()), x) -> f#(x, a()), f#(f(a(), a()), x) -> f#(a(), f(a(), a())))
    (f#(f(a(), a()), x) -> f#(x, a()), f#(f(a(), a()), x) -> f#(f(x, a()), f(a(), f(a(), a()))))
    (f#(f(a(), a()), x) -> f#(x, a()), f#(f(a(), a()), x) -> f#(x, a()))
    (f#(f(a(), a()), x) -> f#(f(x, a()), f(a(), f(a(), a()))), f#(f(a(), a()), x) -> f#(x, a()))
    (f#(f(a(), a()), x) -> f#(f(x, a()), f(a(), f(a(), a()))), f#(f(a(), a()), x) -> f#(f(x, a()), f(a(), f(a(), a()))))
    (f#(f(a(), a()), x) -> f#(f(x, a()), f(a(), f(a(), a()))), f#(f(a(), a()), x) -> f#(a(), f(a(), a())))}
   STATUS:
    arrows: 0.333333
    SCCS (1):
     Scc:
      {f#(f(a(), a()), x) -> f#(x, a()),
       f#(f(a(), a()), x) -> f#(f(x, a()), f(a(), f(a(), a())))}
     
     SCC (2):
      Strict:
       {f#(f(a(), a()), x) -> f#(x, a()),
        f#(f(a(), a()), x) -> f#(f(x, a()), f(a(), f(a(), a())))}
      Weak:
      {f(f(a(), a()), x) -> f(f(x, a()), f(a(), f(a(), a())))}
      Open