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(h(b,a),f(a)),
     h(h(a,c),b) -> b,
     c -> h(h(a,h(a,h(c,b))),f(f(h(h(a,h(h(f(a),c),f(c))),f(h(b,a)))))) ]
TRS:
   [ b -> h(h(b,a),f(a)),
     h(h(a,c),b) -> b,
     c -> h(h(a,h(a,h(c,b))),f(f(h(h(a,h(h(f(a),c),f(c))),f(h(b,a)))))) ]
problems/689.trs: Failure(unknown UNC)
(0 msec.)