Input TRS: 1: circ(cons(a,s),t) -> cons(msubst(a,t),circ(s,t)) 2: circ(cons(lift(),s),cons(a,t)) -> cons(a,circ(s,t)) 3: circ(cons(lift(),s),cons(lift(),t)) -> cons(lift(),circ(s,t)) 4: circ(circ(s,t),u) -> circ(s,circ(t,u)) 5: circ(s,id()) -> s 6: circ(id(),s) -> s 7: circ(cons(lift(),s),circ(cons(lift(),t),u)) -> circ(cons(lift(),circ(s,t)),u) 8: subst(a,id()) -> a 9: msubst(a,id()) -> a 10: msubst(msubst(a,s),t) -> msubst(a,circ(s,t)) Number of strict rules: 10 Direct Order(PosReal,>,Poly) ... failed. Freezing ... failed. Dependency Pairs: #1: #circ(cons(lift(),s),cons(a,t)) -> #circ(s,t) #2: #circ(cons(lift(),s),circ(cons(lift(),t),u)) -> #circ(cons(lift(),circ(s,t)),u) #3: #circ(cons(lift(),s),circ(cons(lift(),t),u)) -> #circ(s,t) #4: #msubst(msubst(a,s),t) -> #msubst(a,circ(s,t)) #5: #msubst(msubst(a,s),t) -> #circ(s,t) #6: #circ(cons(lift(),s),cons(lift(),t)) -> #circ(s,t) #7: #circ(cons(a,s),t) -> #msubst(a,t) #8: #circ(cons(a,s),t) -> #circ(s,t) #9: #circ(circ(s,t),u) -> #circ(s,circ(t,u)) #10: #circ(circ(s,t),u) -> #circ(t,u) Number of SCCs: 1, DPs: 10, edges: 66 SCC { #1..10 } Removing DPs: Order(PosReal,>,Sum)... Order(PosReal,>,Max)... QLPOpS... Order(PosReal,>,MaxSum)... succeeded. #msubst(x1,x2) weight: max{0, (/ 1 16) + x2 + x1} lift() weight: (/ 1 16) msubst(x1,x2) weight: max{0, (/ 3 16) + x2 + x1} subst(x1,x2) weight: 0 #circ(x1,x2) weight: max{0, (/ 1 8) + x2 + x1} #subst(x1,x2) weight: 0 cons(x1,x2) weight: max{0, (/ 1 16) + x1, (/ 1 16) + x2} id() weight: 0 circ(x1,x2) weight: max{0, (/ 3 16) + x2 + x1} Usable rules: { 1..7 9 10 } Removed DPs: #1..3 #5..8 #10 Number of SCCs: 2, DPs: 2, edges: 2 SCC { #4 } Removing DPs: Order(PosReal,>,Sum)... succeeded. #msubst(x1,x2) weight: x1 lift() weight: 0 msubst(x1,x2) weight: (/ 1 4) + x1 + x2 subst(x1,x2) weight: 0 #circ(x1,x2) weight: 0 #subst(x1,x2) weight: 0 cons(x1,x2) weight: (/ 1 2) + x1 id() weight: 0 circ(x1,x2) weight: (/ 1 2) Usable rules: { } Removed DPs: #4 Number of SCCs: 1, DPs: 1, edges: 1 SCC { #9 } Removing DPs: Order(PosReal,>,Sum)... succeeded. #msubst(x1,x2) weight: 0 lift() weight: 0 msubst(x1,x2) weight: (/ 1 2) + x1 + x2 subst(x1,x2) weight: 0 #circ(x1,x2) weight: x1 #subst(x1,x2) weight: 0 cons(x1,x2) weight: (/ 1 4) + x1 id() weight: 0 circ(x1,x2) weight: (/ 1 4) + x1 Usable rules: { } Removed DPs: #9 Number of SCCs: 0, DPs: 0, edges: 0 YES