/export/starexec/sandbox/solver/bin/starexec_run_tct_dc /export/starexec/sandbox/benchmark/theBenchmark.xml /export/starexec/sandbox/output/output_files -------------------------------------------------------------------------------- WORST_CASE(?,O(n^2)) * Step 1: WeightGap WORST_CASE(?,O(n^2)) + Considered Problem: - Strict TRS: ++(x,nil()) -> x ++(++(x,y),z) -> ++(x,++(y,z)) ++(.(x,y),z) -> .(x,++(y,z)) ++(nil(),y) -> y - Signature: {++/2} / {./2,nil/0} - Obligation: derivational complexity wrt. signature {++,.,nil} + Applied Processor: WeightGap {wgDimension = 1, wgDegree = 1, wgKind = Algebraic, wgUArgs = NoUArgs, wgOn = WgOnAny} + Details: The weightgap principle applies using the following nonconstant growth matrix-interpretation: We apply a matrix interpretation of kind triangular matrix interpretation: Following symbols are considered usable: all TcT has computed the following interpretation: p(++) = [1] x1 + [1] x2 + [2] p(.) = [1] x1 + [1] x2 + [0] p(nil) = [0] Following rules are strictly oriented: ++(x,nil()) = [1] x + [2] > [1] x + [0] = x ++(nil(),y) = [1] y + [2] > [1] y + [0] = y Following rules are (at-least) weakly oriented: ++(++(x,y),z) = [1] x + [1] y + [1] z + [4] >= [1] x + [1] y + [1] z + [4] = ++(x,++(y,z)) ++(.(x,y),z) = [1] x + [1] y + [1] z + [2] >= [1] x + [1] y + [1] z + [2] = .(x,++(y,z)) Further, it can be verified that all rules not oriented are covered by the weightgap condition. * Step 2: NaturalMI WORST_CASE(?,O(n^2)) + Considered Problem: - Strict TRS: ++(++(x,y),z) -> ++(x,++(y,z)) ++(.(x,y),z) -> .(x,++(y,z)) - Weak TRS: ++(x,nil()) -> x ++(nil(),y) -> y - Signature: {++/2} / {./2,nil/0} - Obligation: derivational complexity wrt. signature {++,.,nil} + Applied Processor: NaturalMI {miDimension = 2, miDegree = 2, miKind = Algebraic, uargs = NoUArgs, urules = NoURules, selector = Just any strict-rules} + Details: We apply a matrix interpretation of kind triangular matrix interpretation: Following symbols are considered usable: all TcT has computed the following interpretation: p(++) = [1 6] x1 + [1 0] x2 + [0] [0 1] [0 1] [2] p(.) = [1 0] x1 + [1 0] x2 + [1] [0 0] [0 1] [0] p(nil) = [7] [0] Following rules are strictly oriented: ++(++(x,y),z) = [1 12] x + [1 6] y + [1 0] z + [12] [0 1] [0 1] [0 1] [4] > [1 6] x + [1 6] y + [1 0] z + [0] [0 1] [0 1] [0 1] [4] = ++(x,++(y,z)) Following rules are (at-least) weakly oriented: ++(x,nil()) = [1 6] x + [7] [0 1] [2] >= [1 0] x + [0] [0 1] [0] = x ++(.(x,y),z) = [1 0] x + [1 6] y + [1 0] z + [1] [0 0] [0 1] [0 1] [2] >= [1 0] x + [1 6] y + [1 0] z + [1] [0 0] [0 1] [0 1] [2] = .(x,++(y,z)) ++(nil(),y) = [1 0] y + [7] [0 1] [2] >= [1 0] y + [0] [0 1] [0] = y * Step 3: NaturalMI WORST_CASE(?,O(n^2)) + Considered Problem: - Strict TRS: ++(.(x,y),z) -> .(x,++(y,z)) - Weak TRS: ++(x,nil()) -> x ++(++(x,y),z) -> ++(x,++(y,z)) ++(nil(),y) -> y - Signature: {++/2} / {./2,nil/0} - Obligation: derivational complexity wrt. signature {++,.,nil} + Applied Processor: NaturalMI {miDimension = 2, miDegree = 2, miKind = Algebraic, uargs = NoUArgs, urules = NoURules, selector = Just any strict-rules} + Details: We apply a matrix interpretation of kind triangular matrix interpretation: Following symbols are considered usable: all TcT has computed the following interpretation: p(++) = [1 1] x1 + [1 0] x2 + [4] [0 1] [0 1] [0] p(.) = [1 2] x1 + [1 0] x2 + [2] [0 1] [0 1] [4] p(nil) = [3] [4] Following rules are strictly oriented: ++(.(x,y),z) = [1 3] x + [1 1] y + [1 0] z + [10] [0 1] [0 1] [0 1] [4] > [1 2] x + [1 1] y + [1 0] z + [6] [0 1] [0 1] [0 1] [4] = .(x,++(y,z)) Following rules are (at-least) weakly oriented: ++(x,nil()) = [1 1] x + [7] [0 1] [4] >= [1 0] x + [0] [0 1] [0] = x ++(++(x,y),z) = [1 2] x + [1 1] y + [1 0] z + [8] [0 1] [0 1] [0 1] [0] >= [1 1] x + [1 1] y + [1 0] z + [8] [0 1] [0 1] [0 1] [0] = ++(x,++(y,z)) ++(nil(),y) = [1 0] y + [11] [0 1] [4] >= [1 0] y + [0] [0 1] [0] = y * Step 4: EmptyProcessor WORST_CASE(?,O(1)) + Considered Problem: - Weak TRS: ++(x,nil()) -> x ++(++(x,y),z) -> ++(x,++(y,z)) ++(.(x,y),z) -> .(x,++(y,z)) ++(nil(),y) -> y - Signature: {++/2} / {./2,nil/0} - Obligation: derivational complexity wrt. signature {++,.,nil} + Applied Processor: EmptyProcessor + Details: The problem is already closed. The intended complexity is O(1). WORST_CASE(?,O(n^2))