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

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