*** 1 Progress [(O(1),O(n^1))] *** Considered Problem: Strict DP Rules: Strict TRS Rules: +(x,0()) -> x +(x,s(y)) -> s(+(x,y)) +(s(x),y) -> s(+(x,y)) double(x) -> +(x,x) double(0()) -> 0() double(s(x)) -> s(s(double(x))) Weak DP Rules: Weak TRS Rules: Signature: {+/2,double/1} / {0/0,s/1} Obligation: Full basic terms: {+,double}/{0,s} Applied Processor: WeightGap {wgDimension = 1, wgDegree = 1, wgKind = Algebraic, wgUArgs = UArgs, wgOn = WgOnAny} Proof: The weightgap principle applies using the following nonconstant growth matrix-interpretation: We apply a matrix interpretation of kind constructor based matrix interpretation: The following argument positions are considered usable: uargs(s) = {1} Following symbols are considered usable: {} TcT has computed the following interpretation: p(+) = [6] x1 + [0] p(0) = [1] p(double) = [6] x1 + [8] p(s) = [1] x1 + [3] Following rules are strictly oriented: +(s(x),y) = [6] x + [18] > [6] x + [3] = s(+(x,y)) double(x) = [6] x + [8] > [6] x + [0] = +(x,x) double(0()) = [14] > [1] = 0() double(s(x)) = [6] x + [26] > [6] x + [14] = s(s(double(x))) Following rules are (at-least) weakly oriented: +(x,0()) = [6] x + [0] >= [1] x + [0] = x +(x,s(y)) = [6] x + [0] >= [6] x + [3] = s(+(x,y)) Further, it can be verified that all rules not oriented are covered by the weightgap condition. *** 1.1 Progress [(O(1),O(n^1))] *** Considered Problem: Strict DP Rules: Strict TRS Rules: +(x,0()) -> x +(x,s(y)) -> s(+(x,y)) Weak DP Rules: Weak TRS Rules: +(s(x),y) -> s(+(x,y)) double(x) -> +(x,x) double(0()) -> 0() double(s(x)) -> s(s(double(x))) Signature: {+/2,double/1} / {0/0,s/1} Obligation: Full basic terms: {+,double}/{0,s} Applied Processor: NaturalMI {miDimension = 1, miDegree = 1, miKind = Algebraic, uargs = UArgs, urules = URules, selector = Just any strict-rules, greedy = NoGreedy} Proof: We apply a matrix interpretation of kind constructor based matrix interpretation: The following argument positions are considered usable: uargs(s) = {1} Following symbols are considered usable: {} TcT has computed the following interpretation: p(+) = [2] x1 + [2] x2 + [2] p(0) = [0] p(double) = [8] x1 + [4] p(s) = [1] x1 + [3] Following rules are strictly oriented: +(x,0()) = [2] x + [2] > [1] x + [0] = x +(x,s(y)) = [2] x + [2] y + [8] > [2] x + [2] y + [5] = s(+(x,y)) Following rules are (at-least) weakly oriented: +(s(x),y) = [2] x + [2] y + [8] >= [2] x + [2] y + [5] = s(+(x,y)) double(x) = [8] x + [4] >= [4] x + [2] = +(x,x) double(0()) = [4] >= [0] = 0() double(s(x)) = [8] x + [28] >= [8] x + [10] = s(s(double(x))) *** 1.1.1 Progress [(O(1),O(1))] *** Considered Problem: Strict DP Rules: Strict TRS Rules: Weak DP Rules: Weak TRS Rules: +(x,0()) -> x +(x,s(y)) -> s(+(x,y)) +(s(x),y) -> s(+(x,y)) double(x) -> +(x,x) double(0()) -> 0() double(s(x)) -> s(s(double(x))) Signature: {+/2,double/1} / {0/0,s/1} Obligation: Full basic terms: {+,double}/{0,s} Applied Processor: EmptyProcessor Proof: The problem is already closed. The intended complexity is O(1).