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: [ h(h(b,h(h(c,h(a,f(h(f(c),c)))),h(h(h(h(a,c),h(f(a),b)),b),f(f(a))))),f(h(a,c))) -> c, c -> h(f(h(f(h(b,h(c,b))),f(a))),h(c,h(f(h(b,h(a,h(h(h(c,c),a),b)))),c))), c -> h(h(c,h(a,f(h(c,c)))),a), a -> c, b -> h(c,h(a,c)) ] 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: [ h(h(b,h(h(c,h(a,f(h(f(c),c)))),h(h(h(h(a,c),h(f(a),b)),b),f(f(a))))),f(h(a,c))) -> c, c -> h(f(h(f(h(b,h(c,b))),f(a))),h(c,h(f(h(b,h(a,h(h(h(c,c),a),b)))),c))), c -> h(h(c,h(a,f(h(c,c)))),a), a -> c, b -> h(c,h(a,c)) ] unknown Non-Omega-Overlapping Right-Reducible problems/699.trs: Success(UNC) (0 msec.)