Input TRS: 1: |2nd|(cons1(X,cons(Y,Z))) -> Y 2: |2nd|(cons(X,X1)) -> |2nd|(cons1(X,X1)) 3: from(X) -> cons(X,from(s(X))) Number of strict rules: 3 Direct Order(PosReal,>,Poly) ... failed. Freezing |2nd| 1: |2nd|❆1_cons1(X,cons(Y,Z)) -> Y 2: |2nd|❆1_cons(X,X1) -> |2nd|❆1_cons1(X,X1) 3: from(X) -> cons(X,from(s(X))) 4: |2nd|(cons(_1,_2)) ->= |2nd|❆1_cons(_1,_2) 5: |2nd|(cons1(_1,_2)) ->= |2nd|❆1_cons1(_1,_2) Number of strict rules: 3 Direct Order(PosReal,>,Poly) ... failed. Dependency Pairs: #1: #|2nd|❆1_cons(X,X1) -> #|2nd|❆1_cons1(X,X1) #2: #|2nd|(cons1(_1,_2)) ->? #|2nd|❆1_cons1(_1,_2) #3: #from(X) -> #from(s(X)) #4: #|2nd|(cons(_1,_2)) ->? #|2nd|❆1_cons(_1,_2) Number of SCCs: 1, DPs: 1, edges: 1 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. #from(X) -#3-> #from(s(X)) --->* #from(s(X)) Looping with: [ X := s(X); ] NO