* Step 1: Sum WORST_CASE(Omega(n^1),O(n^1)) + Considered Problem: - Strict TRS: sum(0()) -> 0() sum(s(x)) -> +(sum(x),s(x)) sum1(0()) -> 0() sum1(s(x)) -> s(+(sum1(x),+(x,x))) - Signature: {sum/1,sum1/1} / {+/2,0/0,s/1} - Obligation: innermost runtime complexity wrt. defined symbols {sum,sum1} and constructors {+,0,s} + Applied Processor: Sum {left = someStrategy, right = someStrategy} + Details: () ** Step 1.a:1: DecreasingLoops WORST_CASE(Omega(n^1),?) + Considered Problem: - Strict TRS: sum(0()) -> 0() sum(s(x)) -> +(sum(x),s(x)) sum1(0()) -> 0() sum1(s(x)) -> s(+(sum1(x),+(x,x))) - Signature: {sum/1,sum1/1} / {+/2,0/0,s/1} - Obligation: innermost runtime complexity wrt. defined symbols {sum,sum1} and constructors {+,0,s} + Applied Processor: DecreasingLoops {bound = AnyLoop, narrow = 10} + Details: The system has following decreasing Loops: sum(x){x -> s(x)} = sum(s(x)) ->^+ +(sum(x),s(x)) = C[sum(x) = sum(x){}] ** Step 1.b:1: WeightGap WORST_CASE(?,O(n^1)) + Considered Problem: - Strict TRS: sum(0()) -> 0() sum(s(x)) -> +(sum(x),s(x)) sum1(0()) -> 0() sum1(s(x)) -> s(+(sum1(x),+(x,x))) - Signature: {sum/1,sum1/1} / {+/2,0/0,s/1} - Obligation: innermost runtime complexity wrt. defined symbols {sum,sum1} and constructors {+,0,s} + Applied Processor: WeightGap {wgDimension = 1, wgDegree = 1, wgKind = Algebraic, wgUArgs = UArgs, wgOn = WgOnAny} + Details: 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(+) = {1}, uargs(s) = {1} Following symbols are considered usable: all TcT has computed the following interpretation: p(+) = [1] x1 + [0] p(0) = [0] p(s) = [1] x1 + [7] p(sum) = [0] p(sum1) = [4] x1 + [1] Following rules are strictly oriented: sum1(0()) = [1] > [0] = 0() sum1(s(x)) = [4] x + [29] > [4] x + [8] = s(+(sum1(x),+(x,x))) Following rules are (at-least) weakly oriented: sum(0()) = [0] >= [0] = 0() sum(s(x)) = [0] >= [0] = +(sum(x),s(x)) Further, it can be verified that all rules not oriented are covered by the weightgap condition. ** Step 1.b:2: WeightGap WORST_CASE(?,O(n^1)) + Considered Problem: - Strict TRS: sum(0()) -> 0() sum(s(x)) -> +(sum(x),s(x)) - Weak TRS: sum1(0()) -> 0() sum1(s(x)) -> s(+(sum1(x),+(x,x))) - Signature: {sum/1,sum1/1} / {+/2,0/0,s/1} - Obligation: innermost runtime complexity wrt. defined symbols {sum,sum1} and constructors {+,0,s} + Applied Processor: WeightGap {wgDimension = 1, wgDegree = 1, wgKind = Algebraic, wgUArgs = UArgs, wgOn = WgOnAny} + Details: 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(+) = {1}, uargs(s) = {1} Following symbols are considered usable: all TcT has computed the following interpretation: p(+) = [1] x1 + [4] p(0) = [7] p(s) = [1] x1 + [8] p(sum) = [9] p(sum1) = [2] x1 + [2] Following rules are strictly oriented: sum(0()) = [9] > [7] = 0() Following rules are (at-least) weakly oriented: sum(s(x)) = [9] >= [13] = +(sum(x),s(x)) sum1(0()) = [16] >= [7] = 0() sum1(s(x)) = [2] x + [18] >= [2] x + [14] = s(+(sum1(x),+(x,x))) Further, it can be verified that all rules not oriented are covered by the weightgap condition. ** Step 1.b:3: WeightGap WORST_CASE(?,O(n^1)) + Considered Problem: - Strict TRS: sum(s(x)) -> +(sum(x),s(x)) - Weak TRS: sum(0()) -> 0() sum1(0()) -> 0() sum1(s(x)) -> s(+(sum1(x),+(x,x))) - Signature: {sum/1,sum1/1} / {+/2,0/0,s/1} - Obligation: innermost runtime complexity wrt. defined symbols {sum,sum1} and constructors {+,0,s} + Applied Processor: WeightGap {wgDimension = 1, wgDegree = 1, wgKind = Algebraic, wgUArgs = UArgs, wgOn = WgOnAny} + Details: 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(+) = {1}, uargs(s) = {1} Following symbols are considered usable: all TcT has computed the following interpretation: p(+) = [1] x1 + [1] p(0) = [2] p(s) = [1] x1 + [2] p(sum) = [4] x1 + [4] p(sum1) = [8] x1 + [15] Following rules are strictly oriented: sum(s(x)) = [4] x + [12] > [4] x + [5] = +(sum(x),s(x)) Following rules are (at-least) weakly oriented: sum(0()) = [12] >= [2] = 0() sum1(0()) = [31] >= [2] = 0() sum1(s(x)) = [8] x + [31] >= [8] x + [18] = s(+(sum1(x),+(x,x))) Further, it can be verified that all rules not oriented are covered by the weightgap condition. ** Step 1.b:4: EmptyProcessor WORST_CASE(?,O(1)) + Considered Problem: - Weak TRS: sum(0()) -> 0() sum(s(x)) -> +(sum(x),s(x)) sum1(0()) -> 0() sum1(s(x)) -> s(+(sum1(x),+(x,x))) - Signature: {sum/1,sum1/1} / {+/2,0/0,s/1} - Obligation: innermost runtime complexity wrt. defined symbols {sum,sum1} and constructors {+,0,s} + Applied Processor: EmptyProcessor + Details: The problem is already closed. The intended complexity is O(1). WORST_CASE(Omega(n^1),O(n^1))