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

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