YES(O(1),O(1)) 0.00/0.20 YES(O(1),O(1)) 0.00/0.20 0.00/0.20 We are left with following problem, upon which TcT provides the 0.00/0.20 certificate YES(O(1),O(1)). 0.00/0.20 0.00/0.20 Strict Trs: 0.00/0.20 { g(x, y) -> x 0.00/0.20 , g(x, y) -> y 0.00/0.20 , f(s(x), y, y) -> f(y, x, s(x)) } 0.00/0.20 Obligation: 0.00/0.20 runtime complexity 0.00/0.20 Answer: 0.00/0.20 YES(O(1),O(1)) 0.00/0.20 0.00/0.20 We add the following weak dependency pairs: 0.00/0.20 0.00/0.20 Strict DPs: 0.00/0.20 { g^#(x, y) -> c_1(x) 0.00/0.20 , g^#(x, y) -> c_2(y) 0.00/0.20 , f^#(s(x), y, y) -> c_3(f^#(y, x, s(x))) } 0.00/0.20 0.00/0.20 and mark the set of starting terms. 0.00/0.20 0.00/0.20 We are left with following problem, upon which TcT provides the 0.00/0.20 certificate YES(O(1),O(1)). 0.00/0.20 0.00/0.20 Strict DPs: 0.00/0.20 { g^#(x, y) -> c_1(x) 0.00/0.20 , g^#(x, y) -> c_2(y) 0.00/0.20 , f^#(s(x), y, y) -> c_3(f^#(y, x, s(x))) } 0.00/0.20 Strict Trs: 0.00/0.20 { g(x, y) -> x 0.00/0.20 , g(x, y) -> y 0.00/0.20 , f(s(x), y, y) -> f(y, x, s(x)) } 0.00/0.20 Obligation: 0.00/0.20 runtime complexity 0.00/0.20 Answer: 0.00/0.20 YES(O(1),O(1)) 0.00/0.20 0.00/0.20 No rule is usable, rules are removed from the input problem. 0.00/0.20 0.00/0.20 We are left with following problem, upon which TcT provides the 0.00/0.20 certificate YES(O(1),O(1)). 0.00/0.20 0.00/0.20 Strict DPs: 0.00/0.20 { g^#(x, y) -> c_1(x) 0.00/0.20 , g^#(x, y) -> c_2(y) 0.00/0.20 , f^#(s(x), y, y) -> c_3(f^#(y, x, s(x))) } 0.00/0.20 Obligation: 0.00/0.20 runtime complexity 0.00/0.20 Answer: 0.00/0.20 YES(O(1),O(1)) 0.00/0.20 0.00/0.20 The weightgap principle applies (using the following constant 0.00/0.20 growth matrix-interpretation) 0.00/0.20 0.00/0.20 The following argument positions are usable: 0.00/0.20 none 0.00/0.20 0.00/0.20 TcT has computed the following constructor-restricted matrix 0.00/0.20 interpretation. 0.00/0.20 0.00/0.20 [s](x1) = [0] 0.00/0.20 [0] 0.00/0.20 0.00/0.20 [g^#](x1, x2) = [1 1] x1 + [1 1] x2 + [1] 0.00/0.20 [1 2] [1 1] [1] 0.00/0.20 0.00/0.20 [c_1](x1) = [1 1] x1 + [0] 0.00/0.20 [1 1] [1] 0.00/0.20 0.00/0.20 [c_2](x1) = [1 1] x1 + [0] 0.00/0.20 [1 1] [1] 0.00/0.20 0.00/0.20 [f^#](x1, x2, x3) = [1] 0.00/0.20 [0] 0.00/0.20 0.00/0.20 [c_3](x1) = [2] 0.00/0.20 [2] 0.00/0.20 0.00/0.20 The order satisfies the following ordering constraints: 0.00/0.20 0.00/0.20 [g^#(x, y)] = [1 1] x + [1 1] y + [1] 0.00/0.20 [1 2] [1 1] [1] 0.00/0.20 > [1 1] x + [0] 0.00/0.20 [1 1] [1] 0.00/0.20 = [c_1(x)] 0.00/0.20 0.00/0.20 [g^#(x, y)] = [1 1] x + [1 1] y + [1] 0.00/0.20 [1 2] [1 1] [1] 0.00/0.20 > [1 1] y + [0] 0.00/0.20 [1 1] [1] 0.00/0.20 = [c_2(y)] 0.00/0.20 0.00/0.20 [f^#(s(x), y, y)] = [1] 0.00/0.20 [0] 0.00/0.20 ? [2] 0.00/0.20 [2] 0.00/0.20 = [c_3(f^#(y, x, s(x)))] 0.00/0.20 0.00/0.20 0.00/0.20 Further, it can be verified that all rules not oriented are covered by the weightgap condition. 0.00/0.20 0.00/0.20 We are left with following problem, upon which TcT provides the 0.00/0.20 certificate YES(O(1),O(1)). 0.00/0.20 0.00/0.20 Strict DPs: { f^#(s(x), y, y) -> c_3(f^#(y, x, s(x))) } 0.00/0.20 Weak DPs: 0.00/0.20 { g^#(x, y) -> c_1(x) 0.00/0.20 , g^#(x, y) -> c_2(y) } 0.00/0.20 Obligation: 0.00/0.20 runtime complexity 0.00/0.20 Answer: 0.00/0.20 YES(O(1),O(1)) 0.00/0.20 0.00/0.20 We use the processor 'matrix interpretation of dimension 1' to 0.00/0.20 orient following rules strictly. 0.00/0.20 0.00/0.20 DPs: 0.00/0.20 { 2: g^#(x, y) -> c_1(x) 0.00/0.20 , 3: g^#(x, y) -> c_2(y) } 0.00/0.20 0.00/0.20 Sub-proof: 0.00/0.20 ---------- 0.00/0.20 The following argument positions are usable: 0.00/0.20 none 0.00/0.20 0.00/0.20 TcT has computed the following constructor-restricted matrix 0.00/0.20 interpretation. Note that the diagonal of the component-wise maxima 0.00/0.20 of interpretation-entries (of constructors) contains no more than 0 0.00/0.20 non-zero entries. 0.00/0.20 0.00/0.20 [s](x1) = [0] 0.00/0.20 0.00/0.20 [g^#](x1, x2) = [7] x1 + [7] x2 + [7] 0.00/0.20 0.00/0.20 [c_1](x1) = [7] x1 + [3] 0.00/0.20 0.00/0.20 [c_2](x1) = [7] x1 + [3] 0.00/0.20 0.00/0.20 [f^#](x1, x2, x3) = [1] x2 + [0] 0.00/0.20 0.00/0.20 [c_3](x1) = [0] 0.00/0.20 0.00/0.20 The order satisfies the following ordering constraints: 0.00/0.20 0.00/0.20 [g^#(x, y)] = [7] x + [7] y + [7] 0.00/0.20 > [7] x + [3] 0.00/0.20 = [c_1(x)] 0.00/0.20 0.00/0.20 [g^#(x, y)] = [7] x + [7] y + [7] 0.00/0.20 > [7] y + [3] 0.00/0.20 = [c_2(y)] 0.00/0.20 0.00/0.20 [f^#(s(x), y, y)] = [1] y + [0] 0.00/0.20 >= [0] 0.00/0.20 = [c_3(f^#(y, x, s(x)))] 0.00/0.20 0.00/0.20 0.00/0.20 We return to the main proof. Consider the set of all dependency 0.00/0.20 pairs 0.00/0.20 0.00/0.20 : 0.00/0.20 { 1: f^#(s(x), y, y) -> c_3(f^#(y, x, s(x))) 0.00/0.20 , 2: g^#(x, y) -> c_1(x) 0.00/0.20 , 3: g^#(x, y) -> c_2(y) } 0.00/0.20 0.00/0.20 Processor 'matrix interpretation of dimension 1' induces the 0.00/0.20 complexity certificate YES(?,O(1)) on application of dependency 0.00/0.20 pairs {2,3}. These cover all (indirect) predecessors of dependency 0.00/0.20 pairs {1,2,3}, their number of application is equally bounded. The 0.00/0.20 dependency pairs are shifted into the weak component. 0.00/0.20 0.00/0.20 We are left with following problem, upon which TcT provides the 0.00/0.20 certificate YES(O(1),O(1)). 0.00/0.20 0.00/0.20 Weak DPs: 0.00/0.20 { g^#(x, y) -> c_1(x) 0.00/0.20 , g^#(x, y) -> c_2(y) 0.00/0.20 , f^#(s(x), y, y) -> c_3(f^#(y, x, s(x))) } 0.00/0.20 Obligation: 0.00/0.20 runtime complexity 0.00/0.20 Answer: 0.00/0.20 YES(O(1),O(1)) 0.00/0.20 0.00/0.20 The following weak DPs constitute a sub-graph of the DG that is 0.00/0.20 closed under successors. The DPs are removed. 0.00/0.20 0.00/0.20 { g^#(x, y) -> c_1(x) 0.00/0.20 , g^#(x, y) -> c_2(y) 0.00/0.20 , f^#(s(x), y, y) -> c_3(f^#(y, x, s(x))) } 0.00/0.20 0.00/0.20 We are left with following problem, upon which TcT provides the 0.00/0.20 certificate YES(O(1),O(1)). 0.00/0.20 0.00/0.20 Rules: Empty 0.00/0.20 Obligation: 0.00/0.20 runtime complexity 0.00/0.20 Answer: 0.00/0.20 YES(O(1),O(1)) 0.00/0.20 0.00/0.20 Empty rules are trivially bounded 0.00/0.20 0.00/0.20 Hurray, we answered YES(O(1),O(1)) 0.00/0.21 EOF