*** 1 Progress [(O(1),O(n^1))] *** Considered Problem: Strict DP Rules: Strict TRS Rules: plus(plus(X,Y),Z) -> plus(X,plus(Y,Z)) times(X,s(Y)) -> plus(X,times(Y,X)) Weak DP Rules: Weak TRS Rules: Signature: {plus/2,times/2} / {s/1} Obligation: Full basic terms: {plus,times}/{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(plus) = {2} Following symbols are considered usable: {} TcT has computed the following interpretation: p(plus) = [1] x2 + [0] p(s) = [1] x1 + [1] p(times) = [1] x1 + [1] x2 + [8] Following rules are strictly oriented: times(X,s(Y)) = [1] X + [1] Y + [9] > [1] X + [1] Y + [8] = plus(X,times(Y,X)) Following rules are (at-least) weakly oriented: plus(plus(X,Y),Z) = [1] Z + [0] >= [1] Z + [0] = plus(X,plus(Y,Z)) 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: plus(plus(X,Y),Z) -> plus(X,plus(Y,Z)) Weak DP Rules: Weak TRS Rules: times(X,s(Y)) -> plus(X,times(Y,X)) Signature: {plus/2,times/2} / {s/1} Obligation: Full basic terms: {plus,times}/{s} Applied Processor: NaturalMI {miDimension = 2, 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 (containing no more than 1 non-zero interpretation-entries in the diagonal of the component-wise maxima): The following argument positions are considered usable: uargs(plus) = {2} Following symbols are considered usable: {} TcT has computed the following interpretation: p(plus) = [0 2] x1 + [1 0] x2 + [0] [0 1] [0 1] [2] p(s) = [1 2] x1 + [0] [0 0] [6] p(times) = [4 2] x1 + [4 0] x2 + [0] [4 5] [4 1] [2] Following rules are strictly oriented: plus(plus(X,Y),Z) = [0 2] X + [0 2] Y + [1 0] Z + [4] [0 1] [0 1] [0 1] [4] > [0 2] X + [0 2] Y + [1 0] Z + [0] [0 1] [0 1] [0 1] [4] = plus(X,plus(Y,Z)) Following rules are (at-least) weakly oriented: times(X,s(Y)) = [4 2] X + [4 8] Y + [0] [4 5] [4 8] [8] >= [4 2] X + [4 2] Y + [0] [4 2] [4 5] [4] = plus(X,times(Y,X)) *** 1.1.1 Progress [(O(1),O(1))] *** Considered Problem: Strict DP Rules: Strict TRS Rules: Weak DP Rules: Weak TRS Rules: plus(plus(X,Y),Z) -> plus(X,plus(Y,Z)) times(X,s(Y)) -> plus(X,times(Y,X)) Signature: {plus/2,times/2} / {s/1} Obligation: Full basic terms: {plus,times}/{s} Applied Processor: EmptyProcessor Proof: The problem is already closed. The intended complexity is O(1).