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:
   [ f(h(b,a)) -> a,
     f(f(f(c))) -> c,
     b -> c,
     c -> c,
     a -> a ]
TRS:
   [ f(h(b,a)) -> a,
     f(f(f(c))) -> c,
     b -> c,
     c -> c,
     a -> a ]
Check distinct normal forms in critical pair closure...failed
problems/683.trs: Failure(unknown UNC)
(4 msec.)