/export/starexec/sandbox2/solver/bin/starexec_run_tct_rci /export/starexec/sandbox2/benchmark/theBenchmark.xml /export/starexec/sandbox2/output/output_files -------------------------------------------------------------------------------- WORST_CASE(Omega(n^1),O(n^1)) * Step 1: Sum. WORST_CASE(Omega(n^1),O(n^1)) + Considered Problem: - Strict TRS: f(x,a()) -> x f(x,g(y)) -> f(g(x),y) - Signature: {f/2} / {a/0,g/1} - Obligation: innermost runtime complexity wrt. defined symbols {f} and constructors {a,g} + Applied Processor: Sum {left = someStrategy, right = someStrategy} + Details: () ** Step 1.a:1: Sum. WORST_CASE(Omega(n^1),?) + Considered Problem: - Strict TRS: f(x,a()) -> x f(x,g(y)) -> f(g(x),y) - Signature: {f/2} / {a/0,g/1} - Obligation: innermost runtime complexity wrt. defined symbols {f} and constructors {a,g} + Applied Processor: Sum {left = someStrategy, right = someStrategy} + Details: () *** Step 1.a:1.a:1: Ara. MAYBE + Considered Problem: - Strict TRS: f(x,a()) -> x f(x,g(y)) -> f(g(x),y) - Signature: {f/2} / {a/0,g/1} - Obligation: innermost runtime complexity wrt. defined symbols {f} and constructors {a,g} + Applied Processor: Ara {minDegree = 1, maxDegree = 3, araTimeout = 15, araRuleShifting = Just 1, isBestCase = True, mkCompletelyDefined = False, verboseOutput = False} + Details: Signatures used: ---------------- F (TrsFun "a") :: [] -(0)-> "A"(1) F (TrsFun "f") :: ["A"(0) x "A"(1)] -(1)-> "A"(0) F (TrsFun "g") :: ["A"(1)] -(1)-> "A"(1) F (TrsFun "g") :: ["A"(0)] -(0)-> "A"(0) F (TrsFun "main") :: ["A"(0) x "A"(1)] -(1)-> "A"(0) Cost-free Signatures used: -------------------------- Base Constructor Signatures used: --------------------------------- Following Still Strict Rules were Typed as: ------------------------------------------- 1. Strict: f(x,a()) -> x f(x,g(y)) -> f(g(x),y) main(x1,x2) -> f(x1,x2) 2. Weak: *** Step 1.a:1.b:1: DecreasingLoops. WORST_CASE(Omega(n^1),?) + Considered Problem: - Strict TRS: f(x,a()) -> x f(x,g(y)) -> f(g(x),y) - Signature: {f/2} / {a/0,g/1} - Obligation: innermost runtime complexity wrt. defined symbols {f} and constructors {a,g} + Applied Processor: DecreasingLoops {bound = AnyLoop, narrow = 10} + Details: The system has following decreasing Loops: f(x,y){y -> g(y)} = f(x,g(y)) ->^+ f(g(x),y) = C[f(g(x),y) = f(x,y){x -> g(x)}] ** Step 1.b:1: DependencyPairs. WORST_CASE(?,O(n^1)) + Considered Problem: - Strict TRS: f(x,a()) -> x f(x,g(y)) -> f(g(x),y) - Signature: {f/2} / {a/0,g/1} - Obligation: innermost runtime complexity wrt. defined symbols {f} and constructors {a,g} + Applied Processor: DependencyPairs {dpKind_ = DT} + Details: We add the following dependency tuples: Strict DPs f#(x,a()) -> c_1() f#(x,g(y)) -> c_2(f#(g(x),y)) Weak DPs and mark the set of starting terms. ** Step 1.b:2: PredecessorEstimation. WORST_CASE(?,O(n^1)) + Considered Problem: - Strict DPs: f#(x,a()) -> c_1() f#(x,g(y)) -> c_2(f#(g(x),y)) - Weak TRS: f(x,a()) -> x f(x,g(y)) -> f(g(x),y) - Signature: {f/2,f#/2} / {a/0,g/1,c_1/0,c_2/1} - Obligation: innermost runtime complexity wrt. defined symbols {f#} and constructors {a,g} + Applied Processor: PredecessorEstimation {onSelection = all simple predecessor estimation selector} + Details: We estimate the number of application of {1} by application of Pre({1}) = {2}. Here rules are labelled as follows: 1: f#(x,a()) -> c_1() 2: f#(x,g(y)) -> c_2(f#(g(x),y)) ** Step 1.b:3: RemoveWeakSuffixes. WORST_CASE(?,O(n^1)) + Considered Problem: - Strict DPs: f#(x,g(y)) -> c_2(f#(g(x),y)) - Weak DPs: f#(x,a()) -> c_1() - Weak TRS: f(x,a()) -> x f(x,g(y)) -> f(g(x),y) - Signature: {f/2,f#/2} / {a/0,g/1,c_1/0,c_2/1} - Obligation: innermost runtime complexity wrt. defined symbols {f#} and constructors {a,g} + Applied Processor: RemoveWeakSuffixes + Details: Consider the dependency graph 1:S:f#(x,g(y)) -> c_2(f#(g(x),y)) -->_1 f#(x,a()) -> c_1():2 -->_1 f#(x,g(y)) -> c_2(f#(g(x),y)):1 2:W:f#(x,a()) -> c_1() The following weak DPs constitute a sub-graph of the DG that is closed under successors. The DPs are removed. 2: f#(x,a()) -> c_1() ** Step 1.b:4: UsableRules. WORST_CASE(?,O(n^1)) + Considered Problem: - Strict DPs: f#(x,g(y)) -> c_2(f#(g(x),y)) - Weak TRS: f(x,a()) -> x f(x,g(y)) -> f(g(x),y) - Signature: {f/2,f#/2} / {a/0,g/1,c_1/0,c_2/1} - Obligation: innermost runtime complexity wrt. defined symbols {f#} and constructors {a,g} + Applied Processor: UsableRules + Details: We replace rewrite rules by usable rules: f#(x,g(y)) -> c_2(f#(g(x),y)) ** Step 1.b:5: NaturalMI. WORST_CASE(?,O(n^1)) + Considered Problem: - Strict DPs: f#(x,g(y)) -> c_2(f#(g(x),y)) - Signature: {f/2,f#/2} / {a/0,g/1,c_1/0,c_2/1} - Obligation: innermost runtime complexity wrt. defined symbols {f#} and constructors {a,g} + Applied Processor: NaturalMI {miDimension = 1, miDegree = 1, miKind = Algebraic, uargs = UArgs, urules = URules, selector = Just any strict-rules} + Details: We apply a matrix interpretation of kind constructor based matrix interpretation: The following argument positions are considered usable: uargs(c_2) = {1} Following symbols are considered usable: {f#} TcT has computed the following interpretation: p(a) = [1] p(f) = [2] x1 + [1] x2 + [0] p(g) = [1] x1 + [1] p(f#) = [3] x1 + [8] x2 + [11] p(c_1) = [0] p(c_2) = [1] x1 + [3] Following rules are strictly oriented: f#(x,g(y)) = [3] x + [8] y + [19] > [3] x + [8] y + [17] = c_2(f#(g(x),y)) Following rules are (at-least) weakly oriented: ** Step 1.b:6: EmptyProcessor. WORST_CASE(?,O(1)) + Considered Problem: - Weak DPs: f#(x,g(y)) -> c_2(f#(g(x),y)) - Signature: {f/2,f#/2} / {a/0,g/1,c_1/0,c_2/1} - Obligation: innermost runtime complexity wrt. defined symbols {f#} and constructors {a,g} + Applied Processor: EmptyProcessor + Details: The problem is already closed. The intended complexity is O(1). WORST_CASE(Omega(n^1),O(n^1))