Input TRS: 1: minus(x,|0|()) -> x 2: minus(x,s(y)) -> pred(minus(x,y)) 3: quot(|0|(),s(y)) -> |0|() 4: quot(s(x),s(y)) -> s(quot(minus(x,y),s(y))) 5: pred(s(x)) ->= x 6: pred(s(x)) ->= s(pred(x)) 7: s(pred(x)) ->= pred(s(x)) 8: log(s(|0|())) ->= |0|() 9: log(s(s(x))) ->= s(log(s(quot(x,s(s(|0|())))))) Number of strict rules: 4 Direct Order(PosReal,>,Poly) ... failed. Freezing ... failed. Dependency Pairs: #1: #minus(x,s(y)) -> #minus(x,y) #2: #log(s(s(x))) ->? #log(s(quot(x,s(s(|0|()))))) #3: #log(s(s(x))) ->? #quot(x,s(s(|0|()))) #4: #quot(s(x),s(y)) -> #quot(minus(x,y),s(y)) #5: #quot(s(x),s(y)) -> #minus(x,y) Number of SCCs: 3, DPs: 3, edges: 3 SCC { #1 } Removing DPs: Order(PosReal,>,Sum)... succeeded. |0|() weight: 0 s(x1) weight: (/ 1 2) + x1 minus(x1,x2) weight: 0 #log(x1) weight: 0 pred(x1) weight: 0 log(x1) weight: 0 quot(x1,x2) weight: 0 #minus(x1,x2) weight: x2 #quot(x1,x2) weight: 0 Usable rules: { } Removed DPs: #1 Number of SCCs: 2, DPs: 2, edges: 2 SCC { #4 } Removing DPs: Order(PosReal,>,Sum)... succeeded. |0|() weight: 0 s(x1) weight: (/ 1 2) + x1 minus(x1,x2) weight: (/ 1 4) + x1 #log(x1) weight: 0 pred(x1) weight: x1 log(x1) weight: 0 quot(x1,x2) weight: 0 #minus(x1,x2) weight: 0 #quot(x1,x2) weight: x1 Usable rules: { 1 2 5..7 } Removed DPs: #4 Number of SCCs: 1, DPs: 1, edges: 1 SCC { #2 } Removing DPs: Order(PosReal,>,Sum)... succeeded. |0|() weight: 0 s(x1) weight: (/ 1 4) + x1 minus(x1,x2) weight: x1 #log(x1) weight: x1 pred(x1) weight: x1 log(x1) weight: 0 quot(x1,x2) weight: (/ 1 8) + x1 #minus(x1,x2) weight: 0 #quot(x1,x2) weight: 0 Usable rules: { 1..7 } Removed DPs: #2 Number of SCCs: 0, DPs: 0, edges: 0 YES