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:
   [ c -> c,
     b -> f(c),
     h(b,h(a,f(h(a,f(f(f(b))))))) -> h(a,f(a)),
     b -> h(b,a),
     h(f(b),c) -> f(c) ]
TRS:
   [ c -> c,
     b -> f(c),
     h(b,h(a,f(h(a,f(f(f(b))))))) -> h(a,f(a)),
     b -> h(b,a),
     h(f(b),c) -> f(c) ]
unknown Right-Reducible
problems/715.trs: Failure(unknown UNC)
(4 msec.)