MAYBE
Time: 0.001119
TRS:
 {     g(x, y) -> x,
       g(x, y) -> y,
  f(s x, y, y) -> f(y, x, s x)}
 DP:
  DP:
   {f#(s x, y, y) -> f#(y, x, s x)}
  TRS:
  {     g(x, y) -> x,
        g(x, y) -> y,
   f(s x, y, y) -> f(y, x, s x)}
  EDG:
   {(f#(s x, y, y) -> f#(y, x, s x), f#(s x, y, y) -> f#(y, x, s x))}
   STATUS:
    arrows: 0.000000
    SCCS (1):
     Scc:
      {f#(s x, y, y) -> f#(y, x, s x)}
     
     SCC (1):
      Strict:
       {f#(s x, y, y) -> f#(y, x, s x)}
      Weak:
      {     g(x, y) -> x,
            g(x, y) -> y,
       f(s x, y, y) -> f(y, x, s x)}
      Open