WORST_CASE(?,O(1)) * Step 1: DependencyPairs WORST_CASE(?,O(1)) + Considered Problem: - Strict TRS: c(b(a(),a()),b(y,z),x) -> b(a(),b(z,z)) f(b(b(x,f(y)),z)) -> c(z,x,f(b(b(f(a()),y),y))) f(c(c(a(),y,a()),b(x,z),a())) -> b(y,f(c(f(a()),z,z))) - Signature: {c/3,f/1} / {a/0,b/2} - Obligation: innermost runtime complexity wrt. defined symbols {c,f} and constructors {a,b} + Applied Processor: DependencyPairs {dpKind_ = DT} + Details: We add the following dependency tuples: Strict DPs c#(b(a(),a()),b(y,z),x) -> c_1() f#(b(b(x,f(y)),z)) -> c_2(c#(z,x,f(b(b(f(a()),y),y))),f#(b(b(f(a()),y),y)),f#(a())) f#(c(c(a(),y,a()),b(x,z),a())) -> c_3(f#(c(f(a()),z,z)),c#(f(a()),z,z),f#(a())) Weak DPs and mark the set of starting terms. * Step 2: UsableRules WORST_CASE(?,O(1)) + Considered Problem: - Strict DPs: c#(b(a(),a()),b(y,z),x) -> c_1() f#(b(b(x,f(y)),z)) -> c_2(c#(z,x,f(b(b(f(a()),y),y))),f#(b(b(f(a()),y),y)),f#(a())) f#(c(c(a(),y,a()),b(x,z),a())) -> c_3(f#(c(f(a()),z,z)),c#(f(a()),z,z),f#(a())) - Weak TRS: c(b(a(),a()),b(y,z),x) -> b(a(),b(z,z)) f(b(b(x,f(y)),z)) -> c(z,x,f(b(b(f(a()),y),y))) f(c(c(a(),y,a()),b(x,z),a())) -> b(y,f(c(f(a()),z,z))) - Signature: {c/3,f/1,c#/3,f#/1} / {a/0,b/2,c_1/0,c_2/3,c_3/3} - Obligation: innermost runtime complexity wrt. defined symbols {c#,f#} and constructors {a,b} + Applied Processor: UsableRules + Details: We replace rewrite rules by usable rules: c#(b(a(),a()),b(y,z),x) -> c_1() * Step 3: Trivial WORST_CASE(?,O(1)) + Considered Problem: - Strict DPs: c#(b(a(),a()),b(y,z),x) -> c_1() - Signature: {c/3,f/1,c#/3,f#/1} / {a/0,b/2,c_1/0,c_2/3,c_3/3} - Obligation: innermost runtime complexity wrt. defined symbols {c#,f#} and constructors {a,b} + Applied Processor: Trivial + Details: Consider the dependency graph 1:S:c#(b(a(),a()),b(y,z),x) -> c_1() The dependency graph contains no loops, we remove all dependency pairs. * Step 4: EmptyProcessor WORST_CASE(?,O(1)) + Considered Problem: - Signature: {c/3,f/1,c#/3,f#/1} / {a/0,b/2,c_1/0,c_2/3,c_3/3} - Obligation: innermost runtime complexity wrt. defined symbols {c#,f#} and constructors {a,b} + Applied Processor: EmptyProcessor + Details: The problem is already closed. The intended complexity is O(1). WORST_CASE(?,O(1))