YES
(ignored inputs)COMMENT Cops #647 - #721: generated ground TRSs; evenly distributed in the UNR/UNC/NFP/CR hierarchy submitted by: Bertram Felgenhauer
input TRS:
   [ a -> c,
     f(f(c)) -> h(a,h(h(c,c),b)),
     f(f(a)) -> b,
     b -> f(f(b)) ]
TRS:
   [ a -> c,
     f(f(c)) -> h(a,h(h(c,c),b)),
     f(f(a)) -> b,
     b -> f(f(b)) ]
unknown Non-Omega-Overlapping
unknown Right-Reducible
Check distinct normal forms in critical pair closure...failed
New rules by rule reversing:
   [ a -> c,
     f(f(c)) -> f(f(c)),
     h(a,h(h(c,c),b)) -> f(f(c)),
     f(f(a)) -> b,
     b -> b,
     f(f(b)) -> b ]
confluent TRS:
   [ a -> c,
     f(f(c)) -> f(f(c)),
     h(a,h(h(c,c),b)) -> f(f(c)),
     f(f(a)) -> b,
     b -> b,
     f(f(b)) -> b,
     h(c,h(h(c,c),b)) -> f(f(c)),
     f(f(c)) -> b ]
UNC Completion (Strongly Closed)
problems/717.trs: Success(UNC)
(4 msec.)