*** 1 Progress [(O(1),O(n^2))] *** Considered Problem: Strict DP Rules: Strict TRS Rules: fac(0()) -> s(0()) fac(s(x)) -> times(s(x),fac(p(s(x)))) p(s(x)) -> x Weak DP Rules: Weak TRS Rules: Signature: {fac/1,p/1} / {0/0,s/1,times/2} Obligation: Full basic terms: {fac,p}/{0,s,times} 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(fac) = {1}, uargs(times) = {2} Following symbols are considered usable: {} TcT has computed the following interpretation: p(0) = [0] p(fac) = [1] x1 + [0] p(p) = [1] x1 + [3] p(s) = [1] x1 + [0] p(times) = [1] x2 + [0] Following rules are strictly oriented: p(s(x)) = [1] x + [3] > [1] x + [0] = x Following rules are (at-least) weakly oriented: fac(0()) = [0] >= [0] = s(0()) fac(s(x)) = [1] x + [0] >= [1] x + [3] = times(s(x),fac(p(s(x)))) Further, it can be verified that all rules not oriented are covered by the weightgap condition. *** 1.1 Progress [(O(1),O(n^2))] *** Considered Problem: Strict DP Rules: Strict TRS Rules: fac(0()) -> s(0()) fac(s(x)) -> times(s(x),fac(p(s(x)))) Weak DP Rules: Weak TRS Rules: p(s(x)) -> x Signature: {fac/1,p/1} / {0/0,s/1,times/2} Obligation: Full basic terms: {fac,p}/{0,s,times} 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(fac) = {1}, uargs(times) = {2} Following symbols are considered usable: {} TcT has computed the following interpretation: p(0) = [0] p(fac) = [1] x1 + [2] p(p) = [1] x1 + [0] p(s) = [1] x1 + [0] p(times) = [1] x2 + [13] Following rules are strictly oriented: fac(0()) = [2] > [0] = s(0()) Following rules are (at-least) weakly oriented: fac(s(x)) = [1] x + [2] >= [1] x + [15] = times(s(x),fac(p(s(x)))) p(s(x)) = [1] x + [0] >= [1] x + [0] = x Further, it can be verified that all rules not oriented are covered by the weightgap condition. *** 1.1.1 Progress [(O(1),O(n^2))] *** Considered Problem: Strict DP Rules: Strict TRS Rules: fac(s(x)) -> times(s(x),fac(p(s(x)))) Weak DP Rules: Weak TRS Rules: fac(0()) -> s(0()) p(s(x)) -> x Signature: {fac/1,p/1} / {0/0,s/1,times/2} Obligation: Full basic terms: {fac,p}/{0,s,times} Applied Processor: NaturalMI {miDimension = 4, miDegree = 3, 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 3 non-zero interpretation-entries in the diagonal of the component-wise maxima): The following argument positions are considered usable: uargs(fac) = {1}, uargs(times) = {2} Following symbols are considered usable: {} TcT has computed the following interpretation: p(0) = [0] [0] [0] [0] p(fac) = [1 0 1 0] [1] [0 0 0 1] x1 + [1] [0 0 0 1] [1] [1 1 1 0] [1] p(p) = [1 0 0 0] [0] [1 0 0 1] x1 + [1] [0 1 0 0] [0] [1 1 0 1] [1] p(s) = [1 1 0 1] [0] [0 0 1 1] x1 + [0] [0 0 1 1] [1] [0 0 0 0] [1] p(times) = [1 0 0 0] [0] [0 0 0 0] x2 + [0] [0 0 0 0] [1] [0 0 0 0] [0] Following rules are strictly oriented: fac(s(x)) = [1 1 1 2] [2] [0 0 0 0] x + [2] [0 0 0 0] [2] [1 1 2 3] [2] > [1 1 1 2] [1] [0 0 0 0] x + [0] [0 0 0 0] [1] [0 0 0 0] [0] = times(s(x),fac(p(s(x)))) Following rules are (at-least) weakly oriented: fac(0()) = [1] [1] [1] [1] >= [0] [0] [1] [1] = s(0()) p(s(x)) = [1 1 0 1] [0] [1 1 0 1] x + [2] [0 0 1 1] [0] [1 1 1 2] [2] >= [1 0 0 0] [0] [0 1 0 0] x + [0] [0 0 1 0] [0] [0 0 0 1] [0] = x *** 1.1.1.1 Progress [(O(1),O(1))] *** Considered Problem: Strict DP Rules: Strict TRS Rules: Weak DP Rules: Weak TRS Rules: fac(0()) -> s(0()) fac(s(x)) -> times(s(x),fac(p(s(x)))) p(s(x)) -> x Signature: {fac/1,p/1} / {0/0,s/1,times/2} Obligation: Full basic terms: {fac,p}/{0,s,times} Applied Processor: EmptyProcessor Proof: The problem is already closed. The intended complexity is O(1).