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) -> x f(c(s(x),y)) -> f(c(x,s(y))) f(f(x)) -> f(d(f(x))) g(c(x,s(y))) -> g(c(s(x),y)) - Signature: {f/1,g/1} / {c/2,d/1,s/1} - Obligation: innermost runtime complexity wrt. defined symbols {f,g} and constructors {c,d,s} + Applied Processor: Sum {left = someStrategy, right = someStrategy} + Details: () ** Step 1.a:1: DecreasingLoops WORST_CASE(Omega(n^1),?) + Considered Problem: - Strict TRS: f(x) -> x f(c(s(x),y)) -> f(c(x,s(y))) f(f(x)) -> f(d(f(x))) g(c(x,s(y))) -> g(c(s(x),y)) - Signature: {f/1,g/1} / {c/2,d/1,s/1} - Obligation: innermost runtime complexity wrt. defined symbols {f,g} and constructors {c,d,s} + Applied Processor: DecreasingLoops {bound = AnyLoop, narrow = 10} + Details: The system has following decreasing Loops: f(c(x,y)){x -> s(x)} = f(c(s(x),y)) ->^+ f(c(x,s(y))) = C[f(c(x,s(y))) = f(c(x,y)){y -> s(y)}] ** Step 1.b:1: NaturalMI WORST_CASE(?,O(n^1)) + Considered Problem: - Strict TRS: f(x) -> x f(c(s(x),y)) -> f(c(x,s(y))) f(f(x)) -> f(d(f(x))) g(c(x,s(y))) -> g(c(s(x),y)) - Signature: {f/1,g/1} / {c/2,d/1,s/1} - Obligation: innermost runtime complexity wrt. defined symbols {f,g} and constructors {c,d,s} + 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: none Following symbols are considered usable: {f,g} TcT has computed the following interpretation: p(c) = [0] p(d) = [4] p(f) = [2] x1 + [4] p(g) = [0] p(s) = [1] Following rules are strictly oriented: f(x) = [2] x + [4] > [1] x + [0] = x Following rules are (at-least) weakly oriented: f(c(s(x),y)) = [4] >= [4] = f(c(x,s(y))) f(f(x)) = [4] x + [12] >= [12] = f(d(f(x))) g(c(x,s(y))) = [0] >= [0] = g(c(s(x),y)) ** Step 1.b:2: NaturalPI WORST_CASE(?,O(n^1)) + Considered Problem: - Strict TRS: f(c(s(x),y)) -> f(c(x,s(y))) f(f(x)) -> f(d(f(x))) g(c(x,s(y))) -> g(c(s(x),y)) - Weak TRS: f(x) -> x - Signature: {f/1,g/1} / {c/2,d/1,s/1} - Obligation: innermost runtime complexity wrt. defined symbols {f,g} and constructors {c,d,s} + Applied Processor: NaturalPI {shape = Linear, restrict = Restrict, uargs = UArgs, urules = URules, selector = Just any strict-rules} + Details: We apply a polynomial interpretation of kind constructor-based(linear): The following argument positions are considered usable: none Following symbols are considered usable: {f,g} TcT has computed the following interpretation: p(c) = x1 p(d) = 0 p(f) = 2*x1 p(g) = 10 p(s) = 8 + x1 Following rules are strictly oriented: f(c(s(x),y)) = 16 + 2*x > 2*x = f(c(x,s(y))) Following rules are (at-least) weakly oriented: f(x) = 2*x >= x = x f(f(x)) = 4*x >= 0 = f(d(f(x))) g(c(x,s(y))) = 10 >= 10 = g(c(s(x),y)) ** Step 1.b:3: NaturalMI WORST_CASE(?,O(n^1)) + Considered Problem: - Strict TRS: f(f(x)) -> f(d(f(x))) g(c(x,s(y))) -> g(c(s(x),y)) - Weak TRS: f(x) -> x f(c(s(x),y)) -> f(c(x,s(y))) - Signature: {f/1,g/1} / {c/2,d/1,s/1} - Obligation: innermost runtime complexity wrt. defined symbols {f,g} and constructors {c,d,s} + 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: none Following symbols are considered usable: {f,g} TcT has computed the following interpretation: p(c) = [1] x1 + [5] p(d) = [2] p(f) = [1] x1 + [6] p(g) = [1] x1 + [0] p(s) = [1] x1 + [0] Following rules are strictly oriented: f(f(x)) = [1] x + [12] > [8] = f(d(f(x))) Following rules are (at-least) weakly oriented: f(x) = [1] x + [6] >= [1] x + [0] = x f(c(s(x),y)) = [1] x + [11] >= [1] x + [11] = f(c(x,s(y))) g(c(x,s(y))) = [1] x + [5] >= [1] x + [5] = g(c(s(x),y)) ** Step 1.b:4: Ara WORST_CASE(?,O(n^1)) + Considered Problem: - Strict TRS: g(c(x,s(y))) -> g(c(s(x),y)) - Weak TRS: f(x) -> x f(c(s(x),y)) -> f(c(x,s(y))) f(f(x)) -> f(d(f(x))) - Signature: {f/1,g/1} / {c/2,d/1,s/1} - Obligation: innermost runtime complexity wrt. defined symbols {f,g} and constructors {c,d,s} + Applied Processor: Ara {araHeuristics = NoHeuristics, minDegree = 1, maxDegree = 1, araTimeout = 8, araRuleShifting = Just 1} + Details: Signatures used: ---------------- c :: ["A"(0) x "A"(3)] -(3)-> "A"(3) c :: ["A"(0) x "A"(0)] -(0)-> "A"(0) d :: ["A"(0)] -(0)-> "A"(4) f :: ["A"(0)] -(3)-> "A"(0) g :: ["A"(3)] -(7)-> "A"(14) s :: ["A"(3)] -(3)-> "A"(3) s :: ["A"(0)] -(0)-> "A"(0) Cost-free Signatures used: -------------------------- Base Constructor Signatures used: --------------------------------- "c_A" :: ["A"(0) x "A"(1)] -(1)-> "A"(1) "d_A" :: ["A"(0)] -(0)-> "A"(1) "s_A" :: ["A"(1)] -(1)-> "A"(1) Following Still Strict Rules were Typed as: ------------------------------------------- 1. Strict: g(c(x,s(y))) -> g(c(s(x),y)) 2. Weak: WORST_CASE(Omega(n^1),O(n^1))