Input TRS: 1: minus(x,x) -> 0() 2: minus(s(x),s(y)) -> minus(x,y) 3: minus(0(),x) -> 0() 4: minus(x,0()) -> x 5: div(s(x),s(y)) -> s(div(minus(x,y),s(y))) 6: div(0(),s(y)) -> 0() 7: f(x,0(),b) -> x 8: f(x,s(y),b) -> div(f(x,minus(s(y),s(0())),b),b) Number of strict rules: 8 Direct Order(PosReal,>,Poly) ... failed. Freezing ... failed. Dependency Pairs: #1: #minus(s(x),s(y)) -> #minus(x,y) #2: #div(s(x),s(y)) -> #div(minus(x,y),s(y)) #3: #div(s(x),s(y)) -> #minus(x,y) #4: #f(x,s(y),b) -> #div(f(x,minus(s(y),s(0())),b),b) #5: #f(x,s(y),b) -> #f(x,minus(s(y),s(0())),b) #6: #f(x,s(y),b) -> #minus(s(y),s(0())) Number of SCCs: 3, DPs: 3, edges: 3 SCC { #1 } Removing DPs: Order(PosReal,>,Sum)... succeeded. #div(x1,x2) weight: 0 s(x1) weight: (/ 1 2) + x1 minus(x1,x2) weight: 0 div(x1,x2) weight: 0 f(x1,x2,x3) weight: 0 0() weight: 0 #f(x1,x2,x3) weight: 0 #minus(x1,x2) weight: x2 Usable rules: { } Removed DPs: #1 Number of SCCs: 2, DPs: 2, edges: 2 SCC { #2 } Removing DPs: Order(PosReal,>,Sum)... succeeded. #div(x1,x2) weight: x1 s(x1) weight: (/ 1 2) + x1 minus(x1,x2) weight: (/ 1 4) + x1 div(x1,x2) weight: 0 f(x1,x2,x3) weight: 0 0() weight: 0 #f(x1,x2,x3) weight: 0 #minus(x1,x2) weight: 0 Usable rules: { 1..4 } Removed DPs: #2 Number of SCCs: 1, DPs: 1, edges: 1 SCC { #5 } 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)... succeeded. #div(x1,x2) weight: 0; 0 s(x1) weight: max{0, (/ 1 2) + x1_1}; (- (/ 1 2)) + x1_2 minus(x1,x2) weight: max{0, (/ 1 4) + x2_2 + x1_1}; 0 div(x1,x2) weight: 0; 0 f(x1,x2,x3) weight: 0; 0 0() weight: 0; (- (/ 1 4)) #f(x1,x2,x3) weight: max{0, (- (/ 1 4)) + x2_1}; 0 #minus(x1,x2) weight: 0; 0 Usable rules: { 1..4 } Removed DPs: #5 Number of SCCs: 0, DPs: 0, edges: 0 YES