MAYBE
(ignored inputs)COMMENT Cops #647 - #721: generated ground TRSs; evenly distributed in the UNR/UNC/NFP/CR hierarchy submitted by: Bertram Felgenhauer
Rewrite Rules:
   [ a -> h(a,f(b)),
     f(f(h(a,a))) -> f(f(f(a))),
     f(h(a,h(a,a))) -> f(a),
     f(h(h(b,a),h(f(c),c))) -> c ]
Apply Direct Methods...
Inner CPs:
   [ f(f(h(h(a,f(b)),a))) = f(f(f(a))),
     f(f(h(a,h(a,f(b))))) = f(f(f(a))),
     f(h(h(a,f(b)),h(a,a))) = f(a),
     f(h(a,h(h(a,f(b)),a))) = f(a),
     f(h(a,h(a,h(a,f(b))))) = f(a),
     f(h(h(b,h(a,f(b))),h(f(c),c))) = c ]
Outer CPs:
   [  ]
Linear
(inner) Parallel CPs: (not computed)
unknown Toyama (Parallel CPs)
Direct Methods: Can't judge

Combined result: Can't judge
716.trs: Failure(unknown CR)
(0 msec.)