MAYBE
Time: 0.000755
TRS:
 {cond(true(), x, y) -> cond(gr(x, y), y, x),
          gr(0(), x) -> false(),
        gr(s x, 0()) -> true(),
        gr(s x, s y) -> gr(x, y)}
 DP:
  DP:
   {cond#(true(), x, y) -> cond#(gr(x, y), y, x),
    cond#(true(), x, y) -> gr#(x, y),
          gr#(s x, s y) -> gr#(x, y)}
  TRS:
  {cond(true(), x, y) -> cond(gr(x, y), y, x),
           gr(0(), x) -> false(),
         gr(s x, 0()) -> true(),
         gr(s x, s y) -> gr(x, y)}
  UR:
   {  gr(0(), x) -> false(),
    gr(s x, 0()) -> true(),
    gr(s x, s y) -> gr(x, y),
         a(z, w) -> z,
         a(z, w) -> w}
   EDG:
    {(gr#(s x, s y) -> gr#(x, y), gr#(s x, s y) -> gr#(x, y))
     (cond#(true(), x, y) -> cond#(gr(x, y), y, x), cond#(true(), x, y) -> cond#(gr(x, y), y, x))
     (cond#(true(), x, y) -> cond#(gr(x, y), y, x), cond#(true(), x, y) -> gr#(x, y))
     (cond#(true(), x, y) -> gr#(x, y), gr#(s x, s y) -> gr#(x, y))}
    STATUS:
     arrows: 0.555556
     SCCS (2):
      Scc:
       {cond#(true(), x, y) -> cond#(gr(x, y), y, x)}
      Scc:
       {gr#(s x, s y) -> gr#(x, y)}
      
      SCC (1):
       Strict:
        {cond#(true(), x, y) -> cond#(gr(x, y), y, x)}
       Weak:
       {cond(true(), x, y) -> cond(gr(x, y), y, x),
                gr(0(), x) -> false(),
              gr(s x, 0()) -> true(),
              gr(s x, s y) -> gr(x, y)}
       Open
      
      SCC (1):
       Strict:
        {gr#(s x, s y) -> gr#(x, y)}
       Weak:
       {cond(true(), x, y) -> cond(gr(x, y), y, x),
                gr(0(), x) -> false(),
              gr(s x, 0()) -> true(),
              gr(s x, s y) -> gr(x, y)}
       Open