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(f(f(f(a)))) -> a,
     c -> h(f(f(c)),f(f(h(f(f(a)),h(h(b,h(c,c)),f(c)))))),
     f(a) -> c,
     b -> f(a),
     f(a) -> f(c) ]
TRS:
   [ f(f(f(f(a)))) -> a,
     c -> h(f(f(c)),f(f(h(f(f(a)),h(h(b,h(c,c)),f(c)))))),
     f(a) -> c,
     b -> f(a),
     f(a) -> f(c) ]
unknown UNC Completion (Development Closed)
problems/658.trs: Failure(unknown UNC)
(4 msec.)