MAYBE
(ignored inputs)COMMENT Cops #647 - #721: generated ground TRSs; evenly distributed in the UNR/UNC/NFP/CR hierarchy submitted by: Bertram Felgenhauer
input TRS:
   [ 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) ]
TRS:
   [ 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) ]
Check distinct normal forms in critical pair closure...failed
problems/651.trs: Failure(unknown UNC)
(156 msec.)