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

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