MAYBE
Time: 0.001617
TRS:
 {f(a(), X) -> f(X, X),
        c() -> a(),
        c() -> b()}
 DP:
  DP:
   {f#(a(), X) -> f#(X, X)}
  TRS:
  {f(a(), X) -> f(X, X),
         c() -> a(),
         c() -> b()}
  EDG:
   {(f#(a(), X) -> f#(X, X), f#(a(), X) -> f#(X, X))}
   STATUS:
    arrows: 0.000000
    SCCS (1):
     Scc:
      {f#(a(), X) -> f#(X, X)}
     
     SCC (1):
      Strict:
       {f#(a(), X) -> f#(X, X)}
      Weak:
      {f(a(), X) -> f(X, X),
             c() -> a(),
             c() -> b()}
      Fail