Input TRS: 1: f(a(),f(a(),x)) -> f(c(),f(b(),x)) 2: f(b(),f(b(),x)) -> f(a(),f(c(),x)) 3: f(c(),f(c(),x)) -> f(b(),f(a(),x)) Number of strict rules: 3 Direct Order(PosReal,>,Poly) ... failed. Freezing f 1: f❆1_a(f❆1_a(x)) -> f❆1_c(f❆1_b(x)) 2: f❆1_b(f❆1_b(x)) -> f❆1_a(f❆1_c(x)) 3: f❆1_c(f❆1_c(x)) -> f❆1_b(f❆1_a(x)) 4: f(a(),_1) ->= f❆1_a(_1) 5: f(c(),_1) ->= f❆1_c(_1) 6: f(b(),_1) ->= f❆1_b(_1) Number of strict rules: 3 Direct Order(PosReal,>,Poly) ... removes: 4 5 6 a() weight: 0 b() weight: 0 c() weight: 0 f❆1_c(x1) weight: (/ 85471 2) + x1 f(x1,x2) weight: 42736 + x1 + x2 f❆1_b(x1) weight: (/ 85471 2) + x1 f❆1_a(x1) weight: (/ 85471 2) + x1 Number of strict rules: 3 Direct Order(PosReal,>,Poly) ... failed. Dependency Pairs: #1: #f❆1_b(f❆1_b(x)) -> #f❆1_a(f❆1_c(x)) #2: #f❆1_b(f❆1_b(x)) -> #f❆1_c(x) #3: #f❆1_c(f❆1_c(x)) -> #f❆1_b(f❆1_a(x)) #4: #f❆1_c(f❆1_c(x)) -> #f❆1_a(x) #5: #f❆1_a(f❆1_a(x)) -> #f❆1_c(f❆1_b(x)) #6: #f❆1_a(f❆1_a(x)) -> #f❆1_b(x) Number of SCCs: 1, DPs: 6, edges: 12 SCC { #1..6 } Removing DPs: Order(PosReal,>,Sum)... succeeded. a() weight: 0 b() weight: 0 c() weight: 0 #f❆1_b(x1) weight: x1 f❆1_c(x1) weight: (/ 1 2) + x1 f(x1,x2) weight: 0 #f❆1_c(x1) weight: x1 #f❆1_a(x1) weight: x1 f❆1_b(x1) weight: (/ 1 2) + x1 f❆1_a(x1) weight: (/ 1 2) + x1 Usable rules: { 1..3 } Removed DPs: #2 #4 #6 Number of SCCs: 1, DPs: 3, edges: 3 SCC { #1 #3 #5 } 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)... Order(PosReal,>,MaxSum-Sum; NegReal,≥,Sum)... failed. Removing edges: failed. Finding a loop... failed. MAYBE