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

Combined result: Can't judge
651.trs: Failure(unknown CR)
(59 msec.)