*** 1 Progress [(?,O(n^1))] *** Considered Problem: Strict DP Rules: Strict TRS Rules: :(z,+(x,f(y))) -> :(g(z,y),+(x,a())) :(+(x,y),z) -> +(:(x,z),:(y,z)) :(:(x,y),z) -> :(x,:(y,z)) Weak DP Rules: Weak TRS Rules: Signature: {:/2} / {+/2,a/0,f/1,g/2} Obligation: Innermost basic terms: {:}/{+,a,f,g} Applied Processor: DependencyPairs {dpKind_ = DT} Proof: We add the following dependency tuples: Strict DPs :#(z,+(x,f(y))) -> c_1(:#(g(z,y),+(x,a()))) :#(+(x,y),z) -> c_2(:#(x,z),:#(y,z)) :#(:(x,y),z) -> c_3(:#(x,:(y,z)),:#(y,z)) Weak DPs and mark the set of starting terms. *** 1.1 Progress [(?,O(n^1))] *** Considered Problem: Strict DP Rules: :#(z,+(x,f(y))) -> c_1(:#(g(z,y),+(x,a()))) :#(+(x,y),z) -> c_2(:#(x,z),:#(y,z)) :#(:(x,y),z) -> c_3(:#(x,:(y,z)),:#(y,z)) Strict TRS Rules: Weak DP Rules: Weak TRS Rules: :(z,+(x,f(y))) -> :(g(z,y),+(x,a())) :(+(x,y),z) -> +(:(x,z),:(y,z)) :(:(x,y),z) -> :(x,:(y,z)) Signature: {:/2,:#/2} / {+/2,a/0,f/1,g/2,c_1/1,c_2/2,c_3/2} Obligation: Innermost basic terms: {:#}/{+,a,f,g} Applied Processor: PredecessorEstimation {onSelection = all simple predecessor estimation selector} Proof: We estimate the number of application of {1} by application of Pre({1}) = {2,3}. Here rules are labelled as follows: 1: :#(z,+(x,f(y))) -> c_1(:#(g(z,y) ,+(x,a()))) 2: :#(+(x,y),z) -> c_2(:#(x,z) ,:#(y,z)) 3: :#(:(x,y),z) -> c_3(:#(x,:(y,z)) ,:#(y,z)) *** 1.1.1 Progress [(?,O(n^1))] *** Considered Problem: Strict DP Rules: :#(+(x,y),z) -> c_2(:#(x,z),:#(y,z)) :#(:(x,y),z) -> c_3(:#(x,:(y,z)),:#(y,z)) Strict TRS Rules: Weak DP Rules: :#(z,+(x,f(y))) -> c_1(:#(g(z,y),+(x,a()))) Weak TRS Rules: :(z,+(x,f(y))) -> :(g(z,y),+(x,a())) :(+(x,y),z) -> +(:(x,z),:(y,z)) :(:(x,y),z) -> :(x,:(y,z)) Signature: {:/2,:#/2} / {+/2,a/0,f/1,g/2,c_1/1,c_2/2,c_3/2} Obligation: Innermost basic terms: {:#}/{+,a,f,g} Applied Processor: RemoveWeakSuffixes Proof: Consider the dependency graph 1:S::#(+(x,y),z) -> c_2(:#(x,z),:#(y,z)) -->_2 :#(:(x,y),z) -> c_3(:#(x,:(y,z)),:#(y,z)):2 -->_1 :#(:(x,y),z) -> c_3(:#(x,:(y,z)),:#(y,z)):2 -->_2 :#(z,+(x,f(y))) -> c_1(:#(g(z,y),+(x,a()))):3 -->_1 :#(z,+(x,f(y))) -> c_1(:#(g(z,y),+(x,a()))):3 -->_2 :#(+(x,y),z) -> c_2(:#(x,z),:#(y,z)):1 -->_1 :#(+(x,y),z) -> c_2(:#(x,z),:#(y,z)):1 2:S::#(:(x,y),z) -> c_3(:#(x,:(y,z)),:#(y,z)) -->_2 :#(z,+(x,f(y))) -> c_1(:#(g(z,y),+(x,a()))):3 -->_1 :#(z,+(x,f(y))) -> c_1(:#(g(z,y),+(x,a()))):3 -->_2 :#(:(x,y),z) -> c_3(:#(x,:(y,z)),:#(y,z)):2 -->_1 :#(:(x,y),z) -> c_3(:#(x,:(y,z)),:#(y,z)):2 -->_2 :#(+(x,y),z) -> c_2(:#(x,z),:#(y,z)):1 -->_1 :#(+(x,y),z) -> c_2(:#(x,z),:#(y,z)):1 3:W::#(z,+(x,f(y))) -> c_1(:#(g(z,y),+(x,a()))) The following weak DPs constitute a sub-graph of the DG that is closed under successors. The DPs are removed. 3: :#(z,+(x,f(y))) -> c_1(:#(g(z,y) ,+(x,a()))) *** 1.1.1.1 Progress [(?,O(n^1))] *** Considered Problem: Strict DP Rules: :#(+(x,y),z) -> c_2(:#(x,z),:#(y,z)) :#(:(x,y),z) -> c_3(:#(x,:(y,z)),:#(y,z)) Strict TRS Rules: Weak DP Rules: Weak TRS Rules: :(z,+(x,f(y))) -> :(g(z,y),+(x,a())) :(+(x,y),z) -> +(:(x,z),:(y,z)) :(:(x,y),z) -> :(x,:(y,z)) Signature: {:/2,:#/2} / {+/2,a/0,f/1,g/2,c_1/1,c_2/2,c_3/2} Obligation: Innermost basic terms: {:#}/{+,a,f,g} Applied Processor: PredecessorEstimationCP {onSelectionCP = any intersect of rules of CDG leaf and strict-rules, withComplexityPair = NaturalMI {miDimension = 1, miDegree = 1, miKind = Algebraic, uargs = UArgs, urules = URules, selector = Nothing, greedy = NoGreedy}} Proof: We first use the processor NaturalMI {miDimension = 1, miDegree = 1, miKind = Algebraic, uargs = UArgs, urules = URules, selector = Nothing, greedy = NoGreedy} to orient following rules strictly: 2: :#(:(x,y),z) -> c_3(:#(x,:(y,z)) ,:#(y,z)) The strictly oriented rules are moved into the weak component. *** 1.1.1.1.1 Progress [(?,O(n^1))] *** Considered Problem: Strict DP Rules: :#(+(x,y),z) -> c_2(:#(x,z),:#(y,z)) :#(:(x,y),z) -> c_3(:#(x,:(y,z)),:#(y,z)) Strict TRS Rules: Weak DP Rules: Weak TRS Rules: :(z,+(x,f(y))) -> :(g(z,y),+(x,a())) :(+(x,y),z) -> +(:(x,z),:(y,z)) :(:(x,y),z) -> :(x,:(y,z)) Signature: {:/2,:#/2} / {+/2,a/0,f/1,g/2,c_1/1,c_2/2,c_3/2} Obligation: Innermost basic terms: {:#}/{+,a,f,g} Applied Processor: NaturalMI {miDimension = 1, miDegree = 1, miKind = Algebraic, uargs = UArgs, urules = URules, selector = Just first alternative for predecessorEstimation any intersect of rules of CDG leaf and strict-rules, greedy = NoGreedy} Proof: We apply a matrix interpretation of kind constructor based matrix interpretation: The following argument positions are considered usable: uargs(c_2) = {1,2}, uargs(c_3) = {1,2} Following symbols are considered usable: {:#} TcT has computed the following interpretation: p(+) = [1] x1 + [1] x2 + [0] p(:) = [5] x1 + [3] x2 + [2] p(a) = [0] p(f) = [0] p(g) = [0] p(:#) = [1] x1 + [0] p(c_1) = [0] p(c_2) = [1] x1 + [1] x2 + [0] p(c_3) = [4] x1 + [2] x2 + [0] Following rules are strictly oriented: :#(:(x,y),z) = [5] x + [3] y + [2] > [4] x + [2] y + [0] = c_3(:#(x,:(y,z)),:#(y,z)) Following rules are (at-least) weakly oriented: :#(+(x,y),z) = [1] x + [1] y + [0] >= [1] x + [1] y + [0] = c_2(:#(x,z),:#(y,z)) *** 1.1.1.1.1.1 Progress [(?,O(1))] *** Considered Problem: Strict DP Rules: :#(+(x,y),z) -> c_2(:#(x,z),:#(y,z)) Strict TRS Rules: Weak DP Rules: :#(:(x,y),z) -> c_3(:#(x,:(y,z)),:#(y,z)) Weak TRS Rules: :(z,+(x,f(y))) -> :(g(z,y),+(x,a())) :(+(x,y),z) -> +(:(x,z),:(y,z)) :(:(x,y),z) -> :(x,:(y,z)) Signature: {:/2,:#/2} / {+/2,a/0,f/1,g/2,c_1/1,c_2/2,c_3/2} Obligation: Innermost basic terms: {:#}/{+,a,f,g} Applied Processor: Assumption Proof: () *** 1.1.1.1.2 Progress [(?,O(n^1))] *** Considered Problem: Strict DP Rules: :#(+(x,y),z) -> c_2(:#(x,z),:#(y,z)) Strict TRS Rules: Weak DP Rules: :#(:(x,y),z) -> c_3(:#(x,:(y,z)),:#(y,z)) Weak TRS Rules: :(z,+(x,f(y))) -> :(g(z,y),+(x,a())) :(+(x,y),z) -> +(:(x,z),:(y,z)) :(:(x,y),z) -> :(x,:(y,z)) Signature: {:/2,:#/2} / {+/2,a/0,f/1,g/2,c_1/1,c_2/2,c_3/2} Obligation: Innermost basic terms: {:#}/{+,a,f,g} Applied Processor: PredecessorEstimationCP {onSelectionCP = any intersect of rules of CDG leaf and strict-rules, withComplexityPair = NaturalMI {miDimension = 1, miDegree = 1, miKind = Algebraic, uargs = UArgs, urules = URules, selector = Nothing, greedy = NoGreedy}} Proof: We first use the processor NaturalMI {miDimension = 1, miDegree = 1, miKind = Algebraic, uargs = UArgs, urules = URules, selector = Nothing, greedy = NoGreedy} to orient following rules strictly: 1: :#(+(x,y),z) -> c_2(:#(x,z) ,:#(y,z)) The strictly oriented rules are moved into the weak component. *** 1.1.1.1.2.1 Progress [(?,O(n^1))] *** Considered Problem: Strict DP Rules: :#(+(x,y),z) -> c_2(:#(x,z),:#(y,z)) Strict TRS Rules: Weak DP Rules: :#(:(x,y),z) -> c_3(:#(x,:(y,z)),:#(y,z)) Weak TRS Rules: :(z,+(x,f(y))) -> :(g(z,y),+(x,a())) :(+(x,y),z) -> +(:(x,z),:(y,z)) :(:(x,y),z) -> :(x,:(y,z)) Signature: {:/2,:#/2} / {+/2,a/0,f/1,g/2,c_1/1,c_2/2,c_3/2} Obligation: Innermost basic terms: {:#}/{+,a,f,g} Applied Processor: NaturalMI {miDimension = 1, miDegree = 1, miKind = Algebraic, uargs = UArgs, urules = URules, selector = Just first alternative for predecessorEstimation any intersect of rules of CDG leaf and strict-rules, greedy = NoGreedy} Proof: We apply a matrix interpretation of kind constructor based matrix interpretation: The following argument positions are considered usable: uargs(c_2) = {1,2}, uargs(c_3) = {1,2} Following symbols are considered usable: {:#} TcT has computed the following interpretation: p(+) = [1] x1 + [1] x2 + [3] p(:) = [2] x1 + [1] x2 + [0] p(a) = [4] p(f) = [14] p(g) = [1] p(:#) = [8] x1 + [0] p(c_1) = [1] x1 + [0] p(c_2) = [1] x1 + [1] x2 + [9] p(c_3) = [2] x1 + [1] x2 + [0] Following rules are strictly oriented: :#(+(x,y),z) = [8] x + [8] y + [24] > [8] x + [8] y + [9] = c_2(:#(x,z),:#(y,z)) Following rules are (at-least) weakly oriented: :#(:(x,y),z) = [16] x + [8] y + [0] >= [16] x + [8] y + [0] = c_3(:#(x,:(y,z)),:#(y,z)) *** 1.1.1.1.2.1.1 Progress [(?,O(1))] *** Considered Problem: Strict DP Rules: Strict TRS Rules: Weak DP Rules: :#(+(x,y),z) -> c_2(:#(x,z),:#(y,z)) :#(:(x,y),z) -> c_3(:#(x,:(y,z)),:#(y,z)) Weak TRS Rules: :(z,+(x,f(y))) -> :(g(z,y),+(x,a())) :(+(x,y),z) -> +(:(x,z),:(y,z)) :(:(x,y),z) -> :(x,:(y,z)) Signature: {:/2,:#/2} / {+/2,a/0,f/1,g/2,c_1/1,c_2/2,c_3/2} Obligation: Innermost basic terms: {:#}/{+,a,f,g} Applied Processor: Assumption Proof: () *** 1.1.1.1.2.2 Progress [(O(1),O(1))] *** Considered Problem: Strict DP Rules: Strict TRS Rules: Weak DP Rules: :#(+(x,y),z) -> c_2(:#(x,z),:#(y,z)) :#(:(x,y),z) -> c_3(:#(x,:(y,z)),:#(y,z)) Weak TRS Rules: :(z,+(x,f(y))) -> :(g(z,y),+(x,a())) :(+(x,y),z) -> +(:(x,z),:(y,z)) :(:(x,y),z) -> :(x,:(y,z)) Signature: {:/2,:#/2} / {+/2,a/0,f/1,g/2,c_1/1,c_2/2,c_3/2} Obligation: Innermost basic terms: {:#}/{+,a,f,g} Applied Processor: RemoveWeakSuffixes Proof: Consider the dependency graph 1:W::#(+(x,y),z) -> c_2(:#(x,z),:#(y,z)) -->_2 :#(:(x,y),z) -> c_3(:#(x,:(y,z)),:#(y,z)):2 -->_1 :#(:(x,y),z) -> c_3(:#(x,:(y,z)),:#(y,z)):2 -->_2 :#(+(x,y),z) -> c_2(:#(x,z),:#(y,z)):1 -->_1 :#(+(x,y),z) -> c_2(:#(x,z),:#(y,z)):1 2:W::#(:(x,y),z) -> c_3(:#(x,:(y,z)),:#(y,z)) -->_2 :#(:(x,y),z) -> c_3(:#(x,:(y,z)),:#(y,z)):2 -->_1 :#(:(x,y),z) -> c_3(:#(x,:(y,z)),:#(y,z)):2 -->_2 :#(+(x,y),z) -> c_2(:#(x,z),:#(y,z)):1 -->_1 :#(+(x,y),z) -> c_2(:#(x,z),:#(y,z)):1 The following weak DPs constitute a sub-graph of the DG that is closed under successors. The DPs are removed. 1: :#(+(x,y),z) -> c_2(:#(x,z) ,:#(y,z)) 2: :#(:(x,y),z) -> c_3(:#(x,:(y,z)) ,:#(y,z)) *** 1.1.1.1.2.2.1 Progress [(O(1),O(1))] *** Considered Problem: Strict DP Rules: Strict TRS Rules: Weak DP Rules: Weak TRS Rules: :(z,+(x,f(y))) -> :(g(z,y),+(x,a())) :(+(x,y),z) -> +(:(x,z),:(y,z)) :(:(x,y),z) -> :(x,:(y,z)) Signature: {:/2,:#/2} / {+/2,a/0,f/1,g/2,c_1/1,c_2/2,c_3/2} Obligation: Innermost basic terms: {:#}/{+,a,f,g} Applied Processor: EmptyProcessor Proof: The problem is already closed. The intended complexity is O(1).