Input TRS: 1: from(X) -> cons(X,n__from(n__s(X))) 2: |2ndspos|(|0|(),Z) -> rnil() 3: |2ndspos|(s(N),cons(X,Z)) -> |2ndspos|(s(N),cons2(X,activate(Z))) 4: |2ndspos|(s(N),cons2(X,cons(Y,Z))) -> rcons(posrecip(Y),|2ndsneg|(N,activate(Z))) 5: |2ndsneg|(|0|(),Z) -> rnil() 6: |2ndsneg|(s(N),cons(X,Z)) -> |2ndsneg|(s(N),cons2(X,activate(Z))) 7: |2ndsneg|(s(N),cons2(X,cons(Y,Z))) -> rcons(negrecip(Y),|2ndspos|(N,activate(Z))) 8: pi(X) -> |2ndspos|(X,from(|0|())) 9: plus(|0|(),Y) -> Y 10: plus(s(X),Y) -> s(plus(X,Y)) 11: times(|0|(),Y) -> |0|() 12: times(s(X),Y) -> plus(Y,times(X,Y)) 13: square(X) -> times(X,X) 14: from(X) -> n__from(X) 15: s(X) -> n__s(X) 16: activate(n__from(X)) -> from(activate(X)) 17: activate(n__s(X)) -> s(activate(X)) 18: activate(X) -> X Number of strict rules: 18 Direct Order(PosReal,>,Poly) ... failed. Freezing ... failed. Dependency Pairs: #1: #|2ndsneg|(s(N),cons(X,Z)) -> #|2ndsneg|(s(N),cons2(X,activate(Z))) #2: #|2ndsneg|(s(N),cons(X,Z)) -> #activate(Z) #3: #square(X) -> #times(X,X) #4: #times(s(X),Y) -> #plus(Y,times(X,Y)) #5: #times(s(X),Y) -> #times(X,Y) #6: #|2ndsneg|(s(N),cons2(X,cons(Y,Z))) -> #|2ndspos|(N,activate(Z)) #7: #|2ndsneg|(s(N),cons2(X,cons(Y,Z))) -> #activate(Z) #8: #plus(s(X),Y) -> #s(plus(X,Y)) #9: #plus(s(X),Y) -> #plus(X,Y) #10: #activate(n__s(X)) -> #s(activate(X)) #11: #activate(n__s(X)) -> #activate(X) #12: #activate(n__from(X)) -> #from(activate(X)) #13: #activate(n__from(X)) -> #activate(X) #14: #|2ndspos|(s(N),cons(X,Z)) -> #|2ndspos|(s(N),cons2(X,activate(Z))) #15: #|2ndspos|(s(N),cons(X,Z)) -> #activate(Z) #16: #pi(X) -> #|2ndspos|(X,from(|0|())) #17: #pi(X) -> #from(|0|()) #18: #|2ndspos|(s(N),cons2(X,cons(Y,Z))) -> #|2ndsneg|(N,activate(Z)) #19: #|2ndspos|(s(N),cons2(X,cons(Y,Z))) -> #activate(Z) Number of SCCs: 4, DPs: 8, edges: 12 SCC { #9 } Removing DPs: Order(PosReal,>,Sum)... succeeded. |0|() weight: 0 negrecip(x1) weight: 0 s(x1) weight: (/ 1 2) + x1 activate(x1) weight: 0 rnil() weight: 0 |2ndspos|(x1,x2) weight: 0 #plus(x1,x2) weight: x1 n__from(x1) weight: 0 square(x1) weight: 0 #activate(x1) weight: 0 #square(x1) weight: 0 pi(x1) weight: 0 rcons(x1,x2) weight: 0 |2ndsneg|(x1,x2) weight: 0 n__s(x1) weight: 0 #|2ndspos|(x1,x2) weight: 0 #|2ndsneg|(x1,x2) weight: 0 #times(x1,x2) weight: 0 from(x1) weight: 0 times(x1,x2) weight: 0 #s(x1) weight: 0 plus(x1,x2) weight: 0 cons2(x1,x2) weight: 0 #from(x1) weight: 0 cons(x1,x2) weight: 0 #pi(x1) weight: 0 posrecip(x1) weight: 0 Usable rules: { } Removed DPs: #9 Number of SCCs: 3, DPs: 7, edges: 11 SCC { #5 } Removing DPs: Order(PosReal,>,Sum)... succeeded. |0|() weight: 0 negrecip(x1) weight: 0 s(x1) weight: (/ 1 2) + x1 activate(x1) weight: 0 rnil() weight: 0 |2ndspos|(x1,x2) weight: 0 #plus(x1,x2) weight: 0 n__from(x1) weight: 0 square(x1) weight: 0 #activate(x1) weight: 0 #square(x1) weight: 0 pi(x1) weight: 0 rcons(x1,x2) weight: 0 |2ndsneg|(x1,x2) weight: 0 n__s(x1) weight: 0 #|2ndspos|(x1,x2) weight: 0 #|2ndsneg|(x1,x2) weight: 0 #times(x1,x2) weight: x1 from(x1) weight: 0 times(x1,x2) weight: 0 #s(x1) weight: 0 plus(x1,x2) weight: 0 cons2(x1,x2) weight: 0 #from(x1) weight: 0 cons(x1,x2) weight: 0 #pi(x1) weight: 0 posrecip(x1) weight: 0 Usable rules: { } Removed DPs: #5 Number of SCCs: 2, DPs: 6, edges: 10 SCC { #11 #13 } Removing DPs: Order(PosReal,>,Sum)... succeeded. |0|() weight: 0 negrecip(x1) weight: 0 s(x1) weight: (/ 1 2) activate(x1) weight: 0 rnil() weight: 0 |2ndspos|(x1,x2) weight: 0 #plus(x1,x2) weight: 0 n__from(x1) weight: (/ 1 2) + x1 square(x1) weight: 0 #activate(x1) weight: x1 #square(x1) weight: 0 pi(x1) weight: 0 rcons(x1,x2) weight: 0 |2ndsneg|(x1,x2) weight: 0 n__s(x1) weight: (/ 1 2) + x1 #|2ndspos|(x1,x2) weight: 0 #|2ndsneg|(x1,x2) weight: 0 #times(x1,x2) weight: 0 from(x1) weight: 0 times(x1,x2) weight: 0 #s(x1) weight: 0 plus(x1,x2) weight: 0 cons2(x1,x2) weight: 0 #from(x1) weight: 0 cons(x1,x2) weight: 0 #pi(x1) weight: 0 posrecip(x1) weight: 0 Usable rules: { } Removed DPs: #11 #13 Number of SCCs: 1, DPs: 4, edges: 6 SCC { #1 #6 #14 #18 } Removing DPs: Order(PosReal,>,Sum)... succeeded. |0|() weight: 0 negrecip(x1) weight: 0 s(x1) weight: (/ 1 4) + x1 activate(x1) weight: (/ 1 8) + x1 rnil() weight: 0 |2ndspos|(x1,x2) weight: 0 #plus(x1,x2) weight: 0 n__from(x1) weight: (/ 1 8) square(x1) weight: 0 #activate(x1) weight: 0 #square(x1) weight: 0 pi(x1) weight: 0 rcons(x1,x2) weight: 0 |2ndsneg|(x1,x2) weight: 0 n__s(x1) weight: (/ 1 8) #|2ndspos|(x1,x2) weight: (/ 1 8) + x1 #|2ndsneg|(x1,x2) weight: x1 #times(x1,x2) weight: 0 from(x1) weight: (/ 3 8) times(x1,x2) weight: 0 #s(x1) weight: 0 plus(x1,x2) weight: 0 cons2(x1,x2) weight: (/ 1 8) #from(x1) weight: 0 cons(x1,x2) weight: (/ 1 2) + x1 #pi(x1) weight: 0 posrecip(x1) weight: 0 Usable rules: { 15 } Removed DPs: #6 #18 Number of SCCs: 0, DPs: 0, edges: 0 YES