Input TRS: 1: f(a(),g(y),z) -> f(a(),y,g(y)) 2: f(b(),g(y),z) -> f(a(),y,z) 3: a() -> b() 4: f(x,y,z) ->= f(x,y,g(z)) Number of strict rules: 3 Direct Order(PosReal,>,Poly) ... failed. Freezing ... failed. Dependency Pairs: #1: #f(b(),g(y),z) -> #f(a(),y,z) #2: #f(b(),g(y),z) -> #a() #3: #f(a(),g(y),z) -> #f(a(),y,g(y)) #4: #f(x,y,z) ->? #f(x,y,g(z)) Number of SCCs: 1, DPs: 3, edges: 9 SCC { #1 #3 #4 } Removing DPs: Order(PosReal,>,Sum)... succeeded. a() weight: 0 b() weight: 0 f(x1,x2,x3) weight: 0 #f(x1,x2,x3) weight: x2 #a() weight: 0 g(x1) weight: (/ 1 2) + x1 Usable rules: { } Removed DPs: #1 #3 Number of SCCs: 1, DPs: 1, edges: 1 SCC { #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)... Order(PosReal,>,MaxSum-Sum; NegReal,≥,Sum)... failed. Removing edges: failed. Finding a loop... failed. MAYBE