*** 1 Progress [(O(1),O(n^1))] *** Considered Problem: Strict DP Rules: Strict TRS Rules: half(0()) -> 0() half(s(s(x))) -> s(half(x)) log(s(0())) -> 0() log(s(s(x))) -> s(log(s(half(x)))) Weak DP Rules: Weak TRS Rules: Signature: {half/1,log/1} / {0/0,s/1} Obligation: Full basic terms: {half,log}/{0,s} Applied Processor: ToInnermost Proof: switch to innermost, as the system is overlay and right linear and does not contain weak rules *** 1.1 Progress [(O(1),O(n^1))] *** Considered Problem: Strict DP Rules: Strict TRS Rules: half(0()) -> 0() half(s(s(x))) -> s(half(x)) log(s(0())) -> 0() log(s(s(x))) -> s(log(s(half(x)))) Weak DP Rules: Weak TRS Rules: Signature: {half/1,log/1} / {0/0,s/1} Obligation: Innermost basic terms: {half,log}/{0,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(log) = {1}, uargs(s) = {1} Following symbols are considered usable: {} TcT has computed the following interpretation: p(0) = [1] p(half) = [8] p(log) = [1] x1 + [3] p(s) = [1] x1 + [0] Following rules are strictly oriented: half(0()) = [8] > [1] = 0() log(s(0())) = [4] > [1] = 0() Following rules are (at-least) weakly oriented: half(s(s(x))) = [8] >= [8] = s(half(x)) log(s(s(x))) = [1] x + [3] >= [11] = s(log(s(half(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^1))] *** Considered Problem: Strict DP Rules: Strict TRS Rules: half(s(s(x))) -> s(half(x)) log(s(s(x))) -> s(log(s(half(x)))) Weak DP Rules: Weak TRS Rules: half(0()) -> 0() log(s(0())) -> 0() Signature: {half/1,log/1} / {0/0,s/1} Obligation: Innermost basic terms: {half,log}/{0,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(log) = {1}, uargs(s) = {1} Following symbols are considered usable: {} TcT has computed the following interpretation: p(0) = [10] p(half) = [1] x1 + [4] p(log) = [1] x1 + [0] p(s) = [1] x1 + [9] Following rules are strictly oriented: half(s(s(x))) = [1] x + [22] > [1] x + [13] = s(half(x)) Following rules are (at-least) weakly oriented: half(0()) = [14] >= [10] = 0() log(s(0())) = [19] >= [10] = 0() log(s(s(x))) = [1] x + [18] >= [1] x + [22] = s(log(s(half(x)))) 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: Strict TRS Rules: log(s(s(x))) -> s(log(s(half(x)))) Weak DP Rules: Weak TRS Rules: half(0()) -> 0() half(s(s(x))) -> s(half(x)) log(s(0())) -> 0() Signature: {half/1,log/1} / {0/0,s/1} Obligation: Innermost basic terms: {half,log}/{0,s} Applied Processor: NaturalMI {miDimension = 1, 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: The following argument positions are considered usable: uargs(log) = {1}, uargs(s) = {1} Following symbols are considered usable: {half,log} TcT has computed the following interpretation: p(0) = [1] p(half) = [1] x1 + [1] p(log) = [3] x1 + [0] p(s) = [1] x1 + [2] Following rules are strictly oriented: log(s(s(x))) = [3] x + [12] > [3] x + [11] = s(log(s(half(x)))) Following rules are (at-least) weakly oriented: half(0()) = [2] >= [1] = 0() half(s(s(x))) = [1] x + [5] >= [1] x + [3] = s(half(x)) log(s(0())) = [9] >= [1] = 0() *** 1.1.1.1.1 Progress [(O(1),O(1))] *** Considered Problem: Strict DP Rules: Strict TRS Rules: Weak DP Rules: Weak TRS Rules: half(0()) -> 0() half(s(s(x))) -> s(half(x)) log(s(0())) -> 0() log(s(s(x))) -> s(log(s(half(x)))) Signature: {half/1,log/1} / {0/0,s/1} Obligation: Innermost basic terms: {half,log}/{0,s} Applied Processor: EmptyProcessor Proof: The problem is already closed. The intended complexity is O(1).