Input TRS: 1: *(*(x,y),z) -> *(x,*(y,z)) 2: *(+(x,y),z) -> +(*(x,z),*(y,z)) 3: *(x,+(y,f(z))) -> *(g(x,z),+(y,y)) Number of strict rules: 3 Direct Order(PosReal,>,Poly) ... failed. Freezing ... failed. Dependency Pairs: #1: #*(+(x,y),z) -> #*(x,z) #2: #*(+(x,y),z) -> #*(y,z) #3: #*(x,+(y,f(z))) -> #*(g(x,z),+(y,y)) #4: #*(*(x,y),z) -> #*(x,*(y,z)) #5: #*(*(x,y),z) -> #*(y,z) Number of SCCs: 2, DPs: 5, edges: 17 SCC { #3 } 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... found. #*(x,+(f(z_{1}),f(z))) -#3-> #*(g(x,z),+(f(z_{1}),f(z_{1}))) --->* #*(g(x,z),+(f(z_{1}),f(z_{1}))) Looping with: [ z := z_{1}; x := g(x,z); z_{1} := z_{1}; ] NO