Input TRS: 1: double(|0|()) -> |0|() 2: double(s(x)) -> s(s(double(x))) 3: +(x,|0|()) -> x 4: +(x,s(y)) -> s(+(x,y)) 5: +(s(x),y) -> s(+(x,y)) 6: double(x) -> +(x,x) Number of strict rules: 6 Direct Order(PosReal,>,Poly) ... removes: 1 3 6 |0|() weight: 0 s(x1) weight: (/ 1 4) + x1 double(x1) weight: (/ 81301 2) + 2 * x1 +(x1,x2) weight: (/ 162601 4) + x1 + x2 Number of strict rules: 3 Direct Order(PosReal,>,Poly) ... removes: 4 |0|() weight: 0 s(x1) weight: (/ 1 4) + x1 double(x1) weight: (/ 1 2) + 2 * x1 +(x1,x2) weight: (/ 1 4) + x1 + 2 * x2 Number of strict rules: 2 Direct Order(PosReal,>,Poly) ... removes: 5 |0|() weight: 0 s(x1) weight: (/ 1 4) + x1 double(x1) weight: (/ 1 2) + 2 * x1 +(x1,x2) weight: (/ 1 4) + 2 * x1 + 2 * x2 Number of strict rules: 1 Direct Order(PosReal,>,Poly) ... failed. Freezing ... failed. Dependency Pairs: #1: #double(s(x)) -> #double(x) Number of SCCs: 1, DPs: 1, edges: 1 SCC { #1 } Removing DPs: Order(PosReal,>,Sum)... succeeded. |0|() weight: 0 s(x1) weight: (/ 1 2) + x1 #double(x1) weight: x1 double(x1) weight: 0 +(x1,x2) weight: 0 Usable rules: { } Removed DPs: #1 Number of SCCs: 0, DPs: 0, edges: 0 YES