MAYBE
Time: 0.006303
TRS:
 {cond(true(), x, y) -> cond(gr(x, y), p x, s y),
        gr(s x, s y) -> gr(x, y),
        gr(s x, 0()) -> true(),
          gr(0(), x) -> false(),
               p s x -> x,
               p 0() -> 0()}
 DP:
  DP:
   {cond#(true(), x, y) -> cond#(gr(x, y), p x, s y),
    cond#(true(), x, y) -> gr#(x, y),
    cond#(true(), x, y) -> p# x,
          gr#(s x, s y) -> gr#(x, y)}
  TRS:
  {cond(true(), x, y) -> cond(gr(x, y), p x, s y),
         gr(s x, s y) -> gr(x, y),
         gr(s x, 0()) -> true(),
           gr(0(), x) -> false(),
                p s x -> x,
                p 0() -> 0()}
  EDG:
   {(cond#(true(), x, y) -> gr#(x, y), gr#(s x, s y) -> gr#(x, y))
    (cond#(true(), x, y) -> cond#(gr(x, y), p x, s y), cond#(true(), x, y) -> p# x)
    (cond#(true(), x, y) -> cond#(gr(x, y), p x, s y), cond#(true(), x, y) -> gr#(x, y))
    (cond#(true(), x, y) -> cond#(gr(x, y), p x, s y), cond#(true(), x, y) -> cond#(gr(x, y), p x, s y))
    (gr#(s x, s y) -> gr#(x, y), gr#(s x, s y) -> gr#(x, y))}
   SCCS (2):
    Scc:
     {gr#(s x, s y) -> gr#(x, y)}
    Scc:
     {cond#(true(), x, y) -> cond#(gr(x, y), p x, s y)}
    SCC (1):
     Strict:
      {gr#(s x, s y) -> gr#(x, y)}
     Weak:
     {cond(true(), x, y) -> cond(gr(x, y), p x, s y),
            gr(s x, s y) -> gr(x, y),
            gr(s x, 0()) -> true(),
              gr(0(), x) -> false(),
                   p s x -> x,
                   p 0() -> 0()}
     SPSC:
      Simple Projection:
       pi(gr#) = 1
      Strict:
       {}
      Qed
    SCC (1):
     Strict:
      {cond#(true(), x, y) -> cond#(gr(x, y), p x, s y)}
     Weak:
     {cond(true(), x, y) -> cond(gr(x, y), p x, s y),
            gr(s x, s y) -> gr(x, y),
            gr(s x, 0()) -> true(),
              gr(0(), x) -> false(),
                   p s x -> x,
                   p 0() -> 0()}
     Fail