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,g(x)) -> x f(x,h(y)) -> f(h(x),y) - Signature: {f/2} / {g/1,h/1} - Obligation: innermost runtime complexity wrt. defined symbols {f} and constructors {g,h} + Applied Processor: Sum {left = someStrategy, right = someStrategy} + Details: () ** Step 1.a:1: DecreasingLoops WORST_CASE(Omega(n^1),?) + Considered Problem: - Strict TRS: f(x,g(x)) -> x f(x,h(y)) -> f(h(x),y) - Signature: {f/2} / {g/1,h/1} - Obligation: innermost runtime complexity wrt. defined symbols {f} and constructors {g,h} + Applied Processor: DecreasingLoops {bound = AnyLoop, narrow = 10} + Details: The system has following decreasing Loops: f(x,y){y -> h(y)} = f(x,h(y)) ->^+ f(h(x),y) = C[f(h(x),y) = f(x,y){x -> h(x)}] ** Step 1.b:1: NaturalPI WORST_CASE(?,O(n^1)) + Considered Problem: - Strict TRS: f(x,g(x)) -> x f(x,h(y)) -> f(h(x),y) - Signature: {f/2} / {g/1,h/1} - Obligation: innermost runtime complexity wrt. defined symbols {f} and constructors {g,h} + 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} TcT has computed the following interpretation: p(f) = 2 + 3*x1 + 12*x2 p(g) = 1 + x1 p(h) = x1 Following rules are strictly oriented: f(x,g(x)) = 14 + 15*x > x = x Following rules are (at-least) weakly oriented: f(x,h(y)) = 2 + 3*x + 12*y >= 2 + 3*x + 12*y = f(h(x),y) ** Step 1.b:2: NaturalPI WORST_CASE(?,O(n^1)) + Considered Problem: - Strict TRS: f(x,h(y)) -> f(h(x),y) - Weak TRS: f(x,g(x)) -> x - Signature: {f/2} / {g/1,h/1} - Obligation: innermost runtime complexity wrt. defined symbols {f} and constructors {g,h} + 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} TcT has computed the following interpretation: p(f) = 2 + 4*x1 + 8*x2 p(g) = 0 p(h) = 2 + x1 Following rules are strictly oriented: f(x,h(y)) = 18 + 4*x + 8*y > 10 + 4*x + 8*y = f(h(x),y) Following rules are (at-least) weakly oriented: f(x,g(x)) = 2 + 4*x >= x = x ** Step 1.b:3: EmptyProcessor WORST_CASE(?,O(1)) + Considered Problem: - Weak TRS: f(x,g(x)) -> x f(x,h(y)) -> f(h(x),y) - Signature: {f/2} / {g/1,h/1} - Obligation: innermost runtime complexity wrt. defined symbols {f} and constructors {g,h} + Applied Processor: EmptyProcessor + Details: The problem is already closed. The intended complexity is O(1). WORST_CASE(Omega(n^1),O(n^1))