*** 1 Progress [(?,O(n^1))] *** Considered Problem: Strict DP Rules: Strict TRS Rules: quot(x,0(),s(z)) -> s(quot(x,s(z),s(z))) quot(0(),s(y),s(z)) -> 0() quot(s(x),s(y),z) -> quot(x,y,z) Weak DP Rules: Weak TRS Rules: Signature: {quot/3} / {0/0,s/1} Obligation: Full basic terms: {quot}/{0,s} Applied Processor: DependencyPairs {dpKind_ = WIDP} Proof: We add the following weak dependency pairs: Strict DPs quot#(x,0(),s(z)) -> c_1(quot#(x,s(z),s(z))) quot#(0(),s(y),s(z)) -> c_2() quot#(s(x),s(y),z) -> c_3(quot#(x,y,z)) Weak DPs and mark the set of starting terms. *** 1.1 Progress [(?,O(n^1))] *** Considered Problem: Strict DP Rules: quot#(x,0(),s(z)) -> c_1(quot#(x,s(z),s(z))) quot#(0(),s(y),s(z)) -> c_2() quot#(s(x),s(y),z) -> c_3(quot#(x,y,z)) Strict TRS Rules: quot(x,0(),s(z)) -> s(quot(x,s(z),s(z))) quot(0(),s(y),s(z)) -> 0() quot(s(x),s(y),z) -> quot(x,y,z) Weak DP Rules: Weak TRS Rules: Signature: {quot/3,quot#/3} / {0/0,s/1,c_1/1,c_2/0,c_3/1} Obligation: Full basic terms: {quot#}/{0,s} Applied Processor: UsableRules Proof: We replace rewrite rules by usable rules: quot#(x,0(),s(z)) -> c_1(quot#(x,s(z),s(z))) quot#(0(),s(y),s(z)) -> c_2() quot#(s(x),s(y),z) -> c_3(quot#(x,y,z)) *** 1.1.1 Progress [(?,O(n^1))] *** Considered Problem: Strict DP Rules: quot#(x,0(),s(z)) -> c_1(quot#(x,s(z),s(z))) quot#(0(),s(y),s(z)) -> c_2() quot#(s(x),s(y),z) -> c_3(quot#(x,y,z)) Strict TRS Rules: Weak DP Rules: Weak TRS Rules: Signature: {quot/3,quot#/3} / {0/0,s/1,c_1/1,c_2/0,c_3/1} Obligation: Full basic terms: {quot#}/{0,s} Applied Processor: Succeeding Proof: () *** 1.1.1.1 Progress [(?,O(n^1))] *** Considered Problem: Strict DP Rules: quot#(x,0(),s(z)) -> c_1(quot#(x,s(z),s(z))) quot#(0(),s(y),s(z)) -> c_2() quot#(s(x),s(y),z) -> c_3(quot#(x,y,z)) Strict TRS Rules: Weak DP Rules: Weak TRS Rules: Signature: {quot/3,quot#/3} / {0/0,s/1,c_1/1,c_2/0,c_3/1} Obligation: Full basic terms: {quot#}/{0,s} Applied Processor: PredecessorEstimation {onSelection = all simple predecessor estimation selector} Proof: We estimate the number of application of {2} by application of Pre({2}) = {1,3}. Here rules are labelled as follows: 1: quot#(x,0(),s(z)) -> c_1(quot#(x ,s(z) ,s(z))) 2: quot#(0(),s(y),s(z)) -> c_2() 3: quot#(s(x),s(y),z) -> c_3(quot#(x,y,z)) *** 1.1.1.1.1 Progress [(?,O(n^1))] *** Considered Problem: Strict DP Rules: quot#(x,0(),s(z)) -> c_1(quot#(x,s(z),s(z))) quot#(s(x),s(y),z) -> c_3(quot#(x,y,z)) Strict TRS Rules: Weak DP Rules: quot#(0(),s(y),s(z)) -> c_2() Weak TRS Rules: Signature: {quot/3,quot#/3} / {0/0,s/1,c_1/1,c_2/0,c_3/1} Obligation: Full basic terms: {quot#}/{0,s} Applied Processor: RemoveWeakSuffixes Proof: Consider the dependency graph 1:S:quot#(x,0(),s(z)) -> c_1(quot#(x,s(z),s(z))) -->_1 quot#(s(x),s(y),z) -> c_3(quot#(x,y,z)):2 -->_1 quot#(0(),s(y),s(z)) -> c_2():3 2:S:quot#(s(x),s(y),z) -> c_3(quot#(x,y,z)) -->_1 quot#(0(),s(y),s(z)) -> c_2():3 -->_1 quot#(s(x),s(y),z) -> c_3(quot#(x,y,z)):2 -->_1 quot#(x,0(),s(z)) -> c_1(quot#(x,s(z),s(z))):1 3:W:quot#(0(),s(y),s(z)) -> c_2() The following weak DPs constitute a sub-graph of the DG that is closed under successors. The DPs are removed. 3: quot#(0(),s(y),s(z)) -> c_2() *** 1.1.1.1.1.1 Progress [(?,O(n^1))] *** Considered Problem: Strict DP Rules: quot#(x,0(),s(z)) -> c_1(quot#(x,s(z),s(z))) quot#(s(x),s(y),z) -> c_3(quot#(x,y,z)) Strict TRS Rules: Weak DP Rules: Weak TRS Rules: Signature: {quot/3,quot#/3} / {0/0,s/1,c_1/1,c_2/0,c_3/1} Obligation: Full basic terms: {quot#}/{0,s} 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: quot#(s(x),s(y),z) -> c_3(quot#(x,y,z)) Consider the set of all dependency pairs 1: quot#(x,0(),s(z)) -> c_1(quot#(x ,s(z) ,s(z))) 2: quot#(s(x),s(y),z) -> c_3(quot#(x,y,z)) Processor NaturalMI {miDimension = 1, miDegree = 1, miKind = Algebraic, uargs = UArgs, urules = URules, selector = Nothing, greedy = NoGreedy}induces the complexity certificateTIME (?,O(n^1)) SPACE(?,?)on application of the dependency pairs {2} These cover all (indirect) predecessors of dependency pairs {1,2} their number of applications is equally bounded. The dependency pairs are shifted into the weak component. *** 1.1.1.1.1.1.1 Progress [(?,O(n^1))] *** Considered Problem: Strict DP Rules: quot#(x,0(),s(z)) -> c_1(quot#(x,s(z),s(z))) quot#(s(x),s(y),z) -> c_3(quot#(x,y,z)) Strict TRS Rules: Weak DP Rules: Weak TRS Rules: Signature: {quot/3,quot#/3} / {0/0,s/1,c_1/1,c_2/0,c_3/1} Obligation: Full basic terms: {quot#}/{0,s} 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_1) = {1}, uargs(c_3) = {1} Following symbols are considered usable: {} TcT has computed the following interpretation: p(0) = [0] p(quot) = [1] x1 + [8] x2 + [0] p(s) = [1] x1 + [2] p(quot#) = [8] x1 + [0] p(c_1) = [1] x1 + [0] p(c_2) = [4] p(c_3) = [1] x1 + [12] Following rules are strictly oriented: quot#(s(x),s(y),z) = [8] x + [16] > [8] x + [12] = c_3(quot#(x,y,z)) Following rules are (at-least) weakly oriented: quot#(x,0(),s(z)) = [8] x + [0] >= [8] x + [0] = c_1(quot#(x,s(z),s(z))) *** 1.1.1.1.1.1.1.1 Progress [(?,O(1))] *** Considered Problem: Strict DP Rules: quot#(x,0(),s(z)) -> c_1(quot#(x,s(z),s(z))) Strict TRS Rules: Weak DP Rules: quot#(s(x),s(y),z) -> c_3(quot#(x,y,z)) Weak TRS Rules: Signature: {quot/3,quot#/3} / {0/0,s/1,c_1/1,c_2/0,c_3/1} Obligation: Full basic terms: {quot#}/{0,s} Applied Processor: Assumption Proof: () *** 1.1.1.1.1.1.2 Progress [(O(1),O(1))] *** Considered Problem: Strict DP Rules: Strict TRS Rules: Weak DP Rules: quot#(x,0(),s(z)) -> c_1(quot#(x,s(z),s(z))) quot#(s(x),s(y),z) -> c_3(quot#(x,y,z)) Weak TRS Rules: Signature: {quot/3,quot#/3} / {0/0,s/1,c_1/1,c_2/0,c_3/1} Obligation: Full basic terms: {quot#}/{0,s} Applied Processor: RemoveWeakSuffixes Proof: Consider the dependency graph 1:W:quot#(x,0(),s(z)) -> c_1(quot#(x,s(z),s(z))) -->_1 quot#(s(x),s(y),z) -> c_3(quot#(x,y,z)):2 2:W:quot#(s(x),s(y),z) -> c_3(quot#(x,y,z)) -->_1 quot#(s(x),s(y),z) -> c_3(quot#(x,y,z)):2 -->_1 quot#(x,0(),s(z)) -> c_1(quot#(x,s(z),s(z))):1 The following weak DPs constitute a sub-graph of the DG that is closed under successors. The DPs are removed. 1: quot#(x,0(),s(z)) -> c_1(quot#(x ,s(z) ,s(z))) 2: quot#(s(x),s(y),z) -> c_3(quot#(x,y,z)) *** 1.1.1.1.1.1.2.1 Progress [(O(1),O(1))] *** Considered Problem: Strict DP Rules: Strict TRS Rules: Weak DP Rules: Weak TRS Rules: Signature: {quot/3,quot#/3} / {0/0,s/1,c_1/1,c_2/0,c_3/1} Obligation: Full basic terms: {quot#}/{0,s} Applied Processor: EmptyProcessor Proof: The problem is already closed. The intended complexity is O(1).