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

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