YES
Time: 0.011030
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}
  UR:
   {    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)}
    STATUS:
     arrows: 0.000000
     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:
         f s s x -> s f f x
         3 + 1x >= 3 + 1x
         f x -> s x
         1 + 1x >= 1 + 1x
       Qed