Input TRS: 1: f(a(),f(x,a())) -> f(f(a(),f(f(a(),a()),x)),a()) Number of strict rules: 1 Direct Order(PosReal,>,Poly) ... failed. Freezing ... failed. Dependency Pairs: #1: #f(a(),f(x,a())) -> #f(f(a(),f(f(a(),a()),x)),a()) #2: #f(a(),f(x,a())) -> #f(a(),f(f(a(),a()),x)) #3: #f(a(),f(x,a())) -> #f(f(a(),a()),x) #4: #f(a(),f(x,a())) -> #f(a(),a()) Number of SCCs: 1, DPs: 1, edges: 1 SCC { #2 } Removing DPs: Order(PosReal,>,Sum)... Order(PosReal,>,Max)... QLPOpS... Order(PosReal,>,MaxSum)... QWPOpS(PosReal,>,MaxSum)... Order(PosReal,>,Sum-Sum; PosReal,≥,Sum-Sum)... succeeded. a() weight: (/ 1 4); (/ 1 8) f(x1,x2) weight: (/ 1 8); x2_1 + x1_1 #f(x1,x2) weight: x2_2; 0 Usable rules: { } Removed DPs: #2 Number of SCCs: 0, DPs: 0, edges: 0 YES