NO
(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 -> a,
     b -> c,
     b -> h(h(c,a),f(f(b))),
     a -> f(a),
     b -> h(a,a) ]
TRS:
   [ b -> a,
     b -> c,
     b -> h(h(c,a),f(f(b))),
     a -> f(a),
     b -> h(a,a) ]
New rules by rule reversing:
   [ b -> a,
     b -> c,
     h(h(c,a),f(f(b))) -> b,
     a -> a,
     f(a) -> a,
     h(a,a) -> b ]
constructed TRS:
   [ b -> a,
     b -> c,
     h(h(c,a),f(f(b))) -> b,
     a -> a,
     f(a) -> a,
     h(a,a) -> b,
     a -> c,
     h(h(c,a),f(f(a))) -> c,
     h(h(c,a),f(f(c))) -> c ]
convertible distinct normal forms: h(h(c,c),f(f(c))) = c
UNC Completion (Strongly Closed)
problems/678.trs: Success(not UNC)
(4 msec.)