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,
     f(h(b,f(a))) -> f(c),
     c -> h(c,c),
     h(f(f(b)),a) -> c,
     h(a,a) -> a ]
Try persistent and layer-preserving decomposition...
Sort Assignment:
 a : =>9
 b : =>9
 c : =>9
 f : 9=>9
 h : 9*9=>9
maximal types: {9}
...decomposition failed.
TRS:
   [ b -> a,
     f(h(b,f(a))) -> f(c),
     c -> h(c,c),
     h(f(f(b)),a) -> c,
     h(a,a) -> a ]
unknown Non-Omega-Overlapping
unknown Right-Reducible
Check distinct normal forms in critical pair closure
convertible distinct normal forms: f(h(f(f(a)),a)) = f(h(a,f(a)))
problems/655.trs: Success(not UNC)
(0 msec.)