YES
Time: 0.003285
TRS:
 {    f x -> s x,
  f s s x -> s f f x}
 DP:
  DP:
   {f# s s x -> f# x,
    f# s s x -> f# f x}
  TRS:
  {    f x -> s x,
   f s s x -> s f f x}
  EDG:
   {(f# s s x -> f# x, f# s s x -> f# f x)
    (f# s s x -> f# x, f# s s x -> f# x)
    (f# s s x -> f# f x, f# s s x -> f# x)
    (f# s s x -> f# f x, f# s s x -> f# f x)}
   SCCS (1):
    Scc:
     {f# s s x -> f# x,
      f# s s x -> f# f x}
    SCC (2):
     Strict:
      {f# s s x -> f# x,
       f# s s x -> f# f x}
     Weak:
     {    f x -> s x,
      f s s x -> s f f x}
     POLY:
      Mode: weak, max_in=1, output_bits=-1, dnum=1, ur=true
      Interpretation:
       [s](x0) = x0 + 1,
       
       [f](x0) = x0 + 1,
       
       [f#](x0) = x0
      Strict:
       f# s s x -> f# f x
       2 + 1x >= 1 + 1x
       f# s s x -> f# x
       2 + 1x >= 0 + 1x
      Weak:
       
     Qed