MAYBE
Time: 0.000495
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)}
  UR:
   {a(z, w) -> z,
    a(z, w) -> w}
   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