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:
   [ b -> b,
     a -> h(f(c),h(a,f(c))),
     f(f(h(a,h(b,b)))) -> a,
     h(c,c) -> b,
     b -> h(f(b),b) ]
Apply Direct Methods...
Inner CPs:
   [ f(f(h(a,h(b,b)))) = a,
     f(f(h(a,h(b,b)))) = a,
     f(f(h(h(f(c),h(a,f(c))),h(b,b)))) = a,
     f(f(h(a,h(h(f(b),b),b)))) = a,
     f(f(h(a,h(b,h(f(b),b))))) = a ]
Outer CPs:
   [ b = h(f(b),b) ]
Linear
(inner) Parallel CPs: (not computed)
unknown Toyama (Parallel CPs)
Direct Methods: Can't judge

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