*** 1 Progress [(O(1),O(n^1))] *** Considered Problem: Strict DP Rules: Strict TRS Rules: ++(x,nil()) -> x ++(++(x,y),z) -> ++(x,++(y,z)) ++(.(x,y),z) -> .(x,++(y,z)) ++(nil(),y) -> y Weak DP Rules: Weak TRS Rules: Signature: {++/2} / {./2,nil/0} Obligation: Full basic terms: {++}/{.,nil} Applied Processor: DependencyPairs {dpKind_ = DT} Proof: We add the following weak dependency pairs: Strict DPs ++#(x,nil()) -> c_1(x) ++#(++(x,y),z) -> c_2(++#(x,++(y,z))) ++#(.(x,y),z) -> c_3(x,++#(y,z)) ++#(nil(),y) -> c_4(y) Weak DPs and mark the set of starting terms. *** 1.1 Progress [(O(1),O(n^1))] *** Considered Problem: Strict DP Rules: ++#(x,nil()) -> c_1(x) ++#(++(x,y),z) -> c_2(++#(x,++(y,z))) ++#(.(x,y),z) -> c_3(x,++#(y,z)) ++#(nil(),y) -> c_4(y) Strict TRS Rules: ++(x,nil()) -> x ++(++(x,y),z) -> ++(x,++(y,z)) ++(.(x,y),z) -> .(x,++(y,z)) ++(nil(),y) -> y Weak DP Rules: Weak TRS Rules: Signature: {++/2,++#/2} / {./2,nil/0,c_1/1,c_2/1,c_3/2,c_4/1} Obligation: Full basic terms: {++#}/{.,nil} Applied Processor: WeightGap {wgDimension = 1, wgDegree = 0, 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(++) = {2}, uargs(.) = {2}, uargs(++#) = {2}, uargs(c_2) = {1}, uargs(c_3) = {2}, uargs(c_4) = {1} Following symbols are considered usable: {} TcT has computed the following interpretation: p(++) = [2] x1 + [1] x2 + [2] p(.) = [1] x2 + [0] p(nil) = [0] p(++#) = [4] x1 + [1] x2 + [0] p(c_1) = [4] x1 + [0] p(c_2) = [1] x1 + [0] p(c_3) = [1] x2 + [0] p(c_4) = [1] x1 + [0] Following rules are strictly oriented: ++#(++(x,y),z) = [8] x + [4] y + [1] z + [8] > [4] x + [2] y + [1] z + [2] = c_2(++#(x,++(y,z))) ++(x,nil()) = [2] x + [2] > [1] x + [0] = x ++(++(x,y),z) = [4] x + [2] y + [1] z + [6] > [2] x + [2] y + [1] z + [4] = ++(x,++(y,z)) ++(nil(),y) = [1] y + [2] > [1] y + [0] = y Following rules are (at-least) weakly oriented: ++#(x,nil()) = [4] x + [0] >= [4] x + [0] = c_1(x) ++#(.(x,y),z) = [4] y + [1] z + [0] >= [4] y + [1] z + [0] = c_3(x,++#(y,z)) ++#(nil(),y) = [1] y + [0] >= [1] y + [0] = c_4(y) ++(.(x,y),z) = [2] y + [1] z + [2] >= [2] y + [1] z + [2] = .(x,++(y,z)) Further, it can be verified that all rules not oriented are covered by the weightgap condition. *** 1.1.1 Progress [(O(1),O(n^1))] *** Considered Problem: Strict DP Rules: ++#(x,nil()) -> c_1(x) ++#(.(x,y),z) -> c_3(x,++#(y,z)) ++#(nil(),y) -> c_4(y) Strict TRS Rules: ++(.(x,y),z) -> .(x,++(y,z)) Weak DP Rules: ++#(++(x,y),z) -> c_2(++#(x,++(y,z))) Weak TRS Rules: ++(x,nil()) -> x ++(++(x,y),z) -> ++(x,++(y,z)) ++(nil(),y) -> y Signature: {++/2,++#/2} / {./2,nil/0,c_1/1,c_2/1,c_3/2,c_4/1} Obligation: Full basic terms: {++#}/{.,nil} Applied Processor: WeightGap {wgDimension = 1, wgDegree = 0, 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(++) = {2}, uargs(.) = {2}, uargs(++#) = {2}, uargs(c_2) = {1}, uargs(c_3) = {2}, uargs(c_4) = {1} Following symbols are considered usable: {} TcT has computed the following interpretation: p(++) = [2] x1 + [1] x2 + [0] p(.) = [1] x2 + [0] p(nil) = [0] p(++#) = [4] x1 + [1] x2 + [9] p(c_1) = [4] x1 + [0] p(c_2) = [1] x1 + [0] p(c_3) = [1] x2 + [0] p(c_4) = [1] x1 + [0] Following rules are strictly oriented: ++#(x,nil()) = [4] x + [9] > [4] x + [0] = c_1(x) ++#(nil(),y) = [1] y + [9] > [1] y + [0] = c_4(y) Following rules are (at-least) weakly oriented: ++#(++(x,y),z) = [8] x + [4] y + [1] z + [9] >= [4] x + [2] y + [1] z + [9] = c_2(++#(x,++(y,z))) ++#(.(x,y),z) = [4] y + [1] z + [9] >= [4] y + [1] z + [9] = c_3(x,++#(y,z)) ++(x,nil()) = [2] x + [0] >= [1] x + [0] = x ++(++(x,y),z) = [4] x + [2] y + [1] z + [0] >= [2] x + [2] y + [1] z + [0] = ++(x,++(y,z)) ++(.(x,y),z) = [2] y + [1] z + [0] >= [2] y + [1] z + [0] = .(x,++(y,z)) ++(nil(),y) = [1] y + [0] >= [1] y + [0] = y Further, it can be verified that all rules not oriented are covered by the weightgap condition. *** 1.1.1.1 Progress [(O(1),O(n^1))] *** Considered Problem: Strict DP Rules: ++#(.(x,y),z) -> c_3(x,++#(y,z)) Strict TRS Rules: ++(.(x,y),z) -> .(x,++(y,z)) Weak DP Rules: ++#(x,nil()) -> c_1(x) ++#(++(x,y),z) -> c_2(++#(x,++(y,z))) ++#(nil(),y) -> c_4(y) Weak TRS Rules: ++(x,nil()) -> x ++(++(x,y),z) -> ++(x,++(y,z)) ++(nil(),y) -> y Signature: {++/2,++#/2} / {./2,nil/0,c_1/1,c_2/1,c_3/2,c_4/1} Obligation: Full basic terms: {++#}/{.,nil} Applied Processor: WeightGap {wgDimension = 1, wgDegree = 0, 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(++) = {2}, uargs(.) = {2}, uargs(++#) = {2}, uargs(c_2) = {1}, uargs(c_3) = {2}, uargs(c_4) = {1} Following symbols are considered usable: {} TcT has computed the following interpretation: p(++) = [2] x1 + [1] x2 + [0] p(.) = [1] x2 + [1] p(nil) = [0] p(++#) = [8] x1 + [1] x2 + [0] p(c_1) = [0] p(c_2) = [1] x1 + [0] p(c_3) = [1] x2 + [0] p(c_4) = [1] x1 + [0] Following rules are strictly oriented: ++#(.(x,y),z) = [8] y + [1] z + [8] > [8] y + [1] z + [0] = c_3(x,++#(y,z)) ++(.(x,y),z) = [2] y + [1] z + [2] > [2] y + [1] z + [1] = .(x,++(y,z)) Following rules are (at-least) weakly oriented: ++#(x,nil()) = [8] x + [0] >= [0] = c_1(x) ++#(++(x,y),z) = [16] x + [8] y + [1] z + [0] >= [8] x + [2] y + [1] z + [0] = c_2(++#(x,++(y,z))) ++#(nil(),y) = [1] y + [0] >= [1] y + [0] = c_4(y) ++(x,nil()) = [2] x + [0] >= [1] x + [0] = x ++(++(x,y),z) = [4] x + [2] y + [1] z + [0] >= [2] x + [2] y + [1] z + [0] = ++(x,++(y,z)) ++(nil(),y) = [1] y + [0] >= [1] y + [0] = y Further, it can be verified that all rules not oriented are covered by the weightgap condition. *** 1.1.1.1.1 Progress [(O(1),O(1))] *** Considered Problem: Strict DP Rules: Strict TRS Rules: Weak DP Rules: ++#(x,nil()) -> c_1(x) ++#(++(x,y),z) -> c_2(++#(x,++(y,z))) ++#(.(x,y),z) -> c_3(x,++#(y,z)) ++#(nil(),y) -> c_4(y) Weak TRS Rules: ++(x,nil()) -> x ++(++(x,y),z) -> ++(x,++(y,z)) ++(.(x,y),z) -> .(x,++(y,z)) ++(nil(),y) -> y Signature: {++/2,++#/2} / {./2,nil/0,c_1/1,c_2/1,c_3/2,c_4/1} Obligation: Full basic terms: {++#}/{.,nil} Applied Processor: EmptyProcessor Proof: The problem is already closed. The intended complexity is O(1).