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