MAYBE
Time: 0.007991
TRS:
 {f(y, f(y, x)) -> f(f(a(), y), f(a(), y))}
 DP:
  DP:
   {f#(y, f(y, x)) -> f#(f(a(), y), f(a(), y)),
    f#(y, f(y, x)) -> f#(a(), y)}
  TRS:
  {f(y, f(y, x)) -> f(f(a(), y), f(a(), y))}
  UR:
   {f(y, f(y, x)) -> f(f(a(), y), f(a(), y))}
   EDG:
    {(f#(y, f(y, x)) -> f#(f(a(), y), f(a(), y)), f#(y, f(y, x)) -> f#(a(), y))
     (f#(y, f(y, x)) -> f#(f(a(), y), f(a(), y)), f#(y, f(y, x)) -> f#(f(a(), y), f(a(), y)))
     (f#(y, f(y, x)) -> f#(a(), y), f#(y, f(y, x)) -> f#(f(a(), y), f(a(), y)))
     (f#(y, f(y, x)) -> f#(a(), y), f#(y, f(y, x)) -> f#(a(), y))}
    STATUS:
     arrows: 0.000000
     SCCS (1):
      Scc:
       {f#(y, f(y, x)) -> f#(f(a(), y), f(a(), y)),
        f#(y, f(y, x)) -> f#(a(), y)}
      
      SCC (2):
       Strict:
        {f#(y, f(y, x)) -> f#(f(a(), y), f(a(), y)),
         f#(y, f(y, x)) -> f#(a(), y)}
       Weak:
       {f(y, f(y, x)) -> f(f(a(), y), f(a(), y))}
       Fail