Input TRS:
    1: f(x) -> s(x)
    2: f(s(s(x))) -> s(f(f(x)))
Number of strict rules: 2
Direct Order(PosReal,>,Poly) ... failed.
Freezing ... failed.
Dependency Pairs:
   #1: #f(s(s(x))) -> #f(f(x))
   #2: #f(s(s(x))) -> #f(x)
Number of SCCs: 1, DPs: 2, edges: 4
	SCC { #1 #2 }
Removing DPs: Order(PosReal,>,Sum)... succeeded.
     s(x1)	weight: (/ 1 4) + x1
     f(x1)	weight: (/ 1 4) + x1
   #f(x1)	weight: x1
    Usable rules: { 1 2 }
    Removed DPs: #1 #2
Number of SCCs: 0, DPs: 0, edges: 0
YES