WORST_CASE(Omega(n^1),O(n^1)) * Step 1: Sum WORST_CASE(Omega(n^1),O(n^1)) + Considered Problem: - Strict TRS: g(x,h(y,z)) -> h(g(x,y),z) g(f(x,y),z) -> f(x,g(y,z)) g(h(x,y),z) -> g(x,f(y,z)) - Signature: {g/2} / {f/2,h/2} - Obligation: innermost runtime complexity wrt. defined symbols {g} and constructors {f,h} + Applied Processor: Sum {left = someStrategy, right = someStrategy} + Details: () ** Step 1.a:1: DecreasingLoops WORST_CASE(Omega(n^1),?) + Considered Problem: - Strict TRS: g(x,h(y,z)) -> h(g(x,y),z) g(f(x,y),z) -> f(x,g(y,z)) g(h(x,y),z) -> g(x,f(y,z)) - Signature: {g/2} / {f/2,h/2} - Obligation: innermost runtime complexity wrt. defined symbols {g} and constructors {f,h} + Applied Processor: DecreasingLoops {bound = AnyLoop, narrow = 10} + Details: The system has following decreasing Loops: g(x,y){y -> h(y,z)} = g(x,h(y,z)) ->^+ h(g(x,y),z) = C[g(x,y) = g(x,y){}] ** Step 1.b:1: NaturalPI WORST_CASE(?,O(n^1)) + Considered Problem: - Strict TRS: g(x,h(y,z)) -> h(g(x,y),z) g(f(x,y),z) -> f(x,g(y,z)) g(h(x,y),z) -> g(x,f(y,z)) - Signature: {g/2} / {f/2,h/2} - Obligation: innermost runtime complexity wrt. defined symbols {g} and constructors {f,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: uargs(f) = {2}, uargs(h) = {1} Following symbols are considered usable: {g} TcT has computed the following interpretation: p(f) = 5 + x2 p(g) = 9 + 4*x1 p(h) = x1 Following rules are strictly oriented: g(f(x,y),z) = 29 + 4*y > 14 + 4*y = f(x,g(y,z)) Following rules are (at-least) weakly oriented: g(x,h(y,z)) = 9 + 4*x >= 9 + 4*x = h(g(x,y),z) g(h(x,y),z) = 9 + 4*x >= 9 + 4*x = g(x,f(y,z)) ** Step 1.b:2: NaturalPI WORST_CASE(?,O(n^1)) + Considered Problem: - Strict TRS: g(x,h(y,z)) -> h(g(x,y),z) g(h(x,y),z) -> g(x,f(y,z)) - Weak TRS: g(f(x,y),z) -> f(x,g(y,z)) - Signature: {g/2} / {f/2,h/2} - Obligation: innermost runtime complexity wrt. defined symbols {g} and constructors {f,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: uargs(f) = {2}, uargs(h) = {1} Following symbols are considered usable: {g} TcT has computed the following interpretation: p(f) = 5 + x2 p(g) = 4*x1 + 4*x2 p(h) = 6 + x1 Following rules are strictly oriented: g(x,h(y,z)) = 24 + 4*x + 4*y > 6 + 4*x + 4*y = h(g(x,y),z) g(h(x,y),z) = 24 + 4*x + 4*z > 20 + 4*x + 4*z = g(x,f(y,z)) Following rules are (at-least) weakly oriented: g(f(x,y),z) = 20 + 4*y + 4*z >= 5 + 4*y + 4*z = f(x,g(y,z)) ** Step 1.b:3: EmptyProcessor WORST_CASE(?,O(1)) + Considered Problem: - Weak TRS: g(x,h(y,z)) -> h(g(x,y),z) g(f(x,y),z) -> f(x,g(y,z)) g(h(x,y),z) -> g(x,f(y,z)) - Signature: {g/2} / {f/2,h/2} - Obligation: innermost runtime complexity wrt. defined symbols {g} and constructors {f,h} + Applied Processor: EmptyProcessor + Details: The problem is already closed. The intended complexity is O(1). WORST_CASE(Omega(n^1),O(n^1))