WORST_CASE(?,O(1)) * Step 1: Sum WORST_CASE(?,O(1)) + Considered Problem: - Strict TRS: f(s(x),y,y) -> f(y,x,s(x)) g(x,y) -> x g(x,y) -> y - Signature: {f/3,g/2} / {s/1} - Obligation: innermost runtime complexity wrt. defined symbols {f,g} and constructors {s} + Applied Processor: Sum {left = someStrategy, right = someStrategy} + Details: () * Step 2: DependencyPairs WORST_CASE(?,O(1)) + Considered Problem: - Strict TRS: f(s(x),y,y) -> f(y,x,s(x)) g(x,y) -> x g(x,y) -> y - Signature: {f/3,g/2} / {s/1} - Obligation: innermost runtime complexity wrt. defined symbols {f,g} and constructors {s} + Applied Processor: DependencyPairs {dpKind_ = DT} + Details: We add the following dependency tuples: Strict DPs f#(s(x),y,y) -> c_1(f#(y,x,s(x))) g#(x,y) -> c_2() g#(x,y) -> c_3() Weak DPs and mark the set of starting terms. * Step 3: PredecessorEstimation WORST_CASE(?,O(1)) + Considered Problem: - Strict DPs: f#(s(x),y,y) -> c_1(f#(y,x,s(x))) g#(x,y) -> c_2() g#(x,y) -> c_3() - Weak TRS: f(s(x),y,y) -> f(y,x,s(x)) g(x,y) -> x g(x,y) -> y - Signature: {f/3,g/2,f#/3,g#/2} / {s/1,c_1/1,c_2/0,c_3/0} - Obligation: innermost runtime complexity wrt. defined symbols {f#,g#} and constructors {s} + Applied Processor: PredecessorEstimation {onSelection = all simple predecessor estimation selector} + Details: We estimate the number of application of {1,2,3} by application of Pre({1,2,3}) = {}. Here rules are labelled as follows: 1: f#(s(x),y,y) -> c_1(f#(y,x,s(x))) 2: g#(x,y) -> c_2() 3: g#(x,y) -> c_3() * Step 4: RemoveWeakSuffixes WORST_CASE(?,O(1)) + Considered Problem: - Weak DPs: f#(s(x),y,y) -> c_1(f#(y,x,s(x))) g#(x,y) -> c_2() g#(x,y) -> c_3() - Weak TRS: f(s(x),y,y) -> f(y,x,s(x)) g(x,y) -> x g(x,y) -> y - Signature: {f/3,g/2,f#/3,g#/2} / {s/1,c_1/1,c_2/0,c_3/0} - Obligation: innermost runtime complexity wrt. defined symbols {f#,g#} and constructors {s} + Applied Processor: RemoveWeakSuffixes + Details: Consider the dependency graph 1:W:f#(s(x),y,y) -> c_1(f#(y,x,s(x))) 2:W:g#(x,y) -> c_2() 3:W:g#(x,y) -> c_3() The following weak DPs constitute a sub-graph of the DG that is closed under successors. The DPs are removed. 3: g#(x,y) -> c_3() 2: g#(x,y) -> c_2() 1: f#(s(x),y,y) -> c_1(f#(y,x,s(x))) * Step 5: EmptyProcessor WORST_CASE(?,O(1)) + Considered Problem: - Weak TRS: f(s(x),y,y) -> f(y,x,s(x)) g(x,y) -> x g(x,y) -> y - Signature: {f/3,g/2,f#/3,g#/2} / {s/1,c_1/1,c_2/0,c_3/0} - Obligation: innermost runtime complexity wrt. defined symbols {f#,g#} and constructors {s} + Applied Processor: EmptyProcessor + Details: The problem is already closed. The intended complexity is O(1). WORST_CASE(?,O(1))