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

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