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 -> h(b,a),
     b -> h(f(b),f(h(b,a))) ]
TRS:
   [ b -> h(b,a),
     b -> h(f(b),f(h(b,a))) ]
New rules by rule reversing:
   [ b -> b,
     h(b,a) -> b,
     b -> b,
     h(f(b),f(h(b,a))) -> b ]
problems/721.trs: Failure(unknown UNC)
(0 msec.)