Input TRS: 1: from(X) -> cons(X,n__from(s(X))) 2: sel(0(),cons(X,XS)) -> X 3: sel(s(N),cons(X,XS)) -> sel(N,activate(XS)) 4: minus(X,0()) -> 0() 5: minus(s(X),s(Y)) -> minus(X,Y) 6: quot(0(),s(Y)) -> 0() 7: quot(s(X),s(Y)) -> s(quot(minus(X,Y),s(Y))) 8: zWquot(XS,nil()) -> nil() 9: zWquot(nil(),XS) -> nil() 10: zWquot(cons(X,XS),cons(Y,YS)) -> cons(quot(X,Y),n__zWquot(activate(XS),activate(YS))) 11: from(X) -> n__from(X) 12: zWquot(X1,X2) -> n__zWquot(X1,X2) 13: activate(n__from(X)) -> from(X) 14: activate(n__zWquot(X1,X2)) -> zWquot(X1,X2) 15: activate(X) -> X Number of strict rules: 15 Direct Order(PosReal,>,Poly) ... failed. Freezing ... failed. Dependency Pairs: #1: #activate(n__from(X)) -> #from(X) #2: #activate(n__zWquot(X1,X2)) -> #zWquot(X1,X2) #3: #quot(s(X),s(Y)) -> #quot(minus(X,Y),s(Y)) #4: #quot(s(X),s(Y)) -> #minus(X,Y) #5: #zWquot(cons(X,XS),cons(Y,YS)) -> #quot(X,Y) #6: #zWquot(cons(X,XS),cons(Y,YS)) -> #activate(XS) #7: #zWquot(cons(X,XS),cons(Y,YS)) -> #activate(YS) #8: #minus(s(X),s(Y)) -> #minus(X,Y) #9: #sel(s(N),cons(X,XS)) -> #sel(N,activate(XS)) #10: #sel(s(N),cons(X,XS)) -> #activate(XS) Number of SCCs: 3, DPs: 5, edges: 6 SCC { #8 } Removing DPs: Order(PosReal,>,Sum)... succeeded. s(x1) weight: (/ 1 2) + x1 #zWquot(x1,x2) weight: 0 minus(x1,x2) weight: 0 activate(x1) weight: 0 n__from(x1) weight: 0 #activate(x1) weight: 0 zWquot(x1,x2) weight: 0 n__zWquot(x1,x2) weight: 0 0() weight: 0 quot(x1,x2) weight: 0 #sel(x1,x2) weight: 0 from(x1) weight: 0 sel(x1,x2) weight: 0 nil() weight: 0 #minus(x1,x2) weight: x2 #from(x1) weight: 0 cons(x1,x2) weight: 0 #quot(x1,x2) weight: 0 Usable rules: { } Removed DPs: #8 Number of SCCs: 2, DPs: 4, edges: 5 SCC { #9 } Removing DPs: Order(PosReal,>,Sum)... succeeded. s(x1) weight: (/ 1 4) + x1 #zWquot(x1,x2) weight: 0 minus(x1,x2) weight: (/ 1 4) + x1 activate(x1) weight: (/ 1 4) n__from(x1) weight: (/ 3 4) #activate(x1) weight: 0 zWquot(x1,x2) weight: (/ 1 2) + x1 n__zWquot(x1,x2) weight: (/ 3 4) 0() weight: 0 quot(x1,x2) weight: (/ 3 4) #sel(x1,x2) weight: x1 from(x1) weight: (/ 1 2) sel(x1,x2) weight: 0 nil() weight: 0 #minus(x1,x2) weight: 0 #from(x1) weight: 0 cons(x1,x2) weight: (/ 3 4) + x1 #quot(x1,x2) weight: 0 Usable rules: { 6 } Removed DPs: #9 Number of SCCs: 1, DPs: 3, edges: 4 SCC { #2 #6 #7 } Removing DPs: Order(PosReal,>,Sum)... succeeded. s(x1) weight: (/ 1 4) + x1 #zWquot(x1,x2) weight: x1 + x2 minus(x1,x2) weight: (/ 1 4) + x1 activate(x1) weight: 0 n__from(x1) weight: 0 #activate(x1) weight: (/ 3 4) + x1 zWquot(x1,x2) weight: (/ 1 4) + x1 n__zWquot(x1,x2) weight: (/ 1 2) + x1 + x2 0() weight: 0 quot(x1,x2) weight: (/ 1 4) #sel(x1,x2) weight: 0 from(x1) weight: (/ 1 4) sel(x1,x2) weight: 0 nil() weight: 0 #minus(x1,x2) weight: 0 #from(x1) weight: 0 cons(x1,x2) weight: (/ 1 2) + x1 + x2 #quot(x1,x2) weight: 0 Usable rules: { } Removed DPs: #2 #6 #7 Number of SCCs: 0, DPs: 0, edges: 0 YES