* Step 1: DependencyPairs WORST_CASE(?,O(1)) + Considered Problem: - Strict TRS: a(c(d(x))) -> c(x) u(b(d(d(x)))) -> b(x) v(c(x)) -> b(x) w(c(x)) -> b(x) - Signature: {a/1,u/1,v/1,w/1} / {b/1,c/1,d/1} - Obligation: innermost runtime complexity wrt. defined symbols {a,u,v,w} and constructors {b,c,d} + Applied Processor: DependencyPairs {dpKind_ = DT} + Details: We add the following dependency tuples: Strict DPs a#(c(d(x))) -> c_1() u#(b(d(d(x)))) -> c_2() v#(c(x)) -> c_3() w#(c(x)) -> c_4() Weak DPs and mark the set of starting terms. * Step 2: UsableRules WORST_CASE(?,O(1)) + Considered Problem: - Strict DPs: a#(c(d(x))) -> c_1() u#(b(d(d(x)))) -> c_2() v#(c(x)) -> c_3() w#(c(x)) -> c_4() - Weak TRS: a(c(d(x))) -> c(x) u(b(d(d(x)))) -> b(x) v(c(x)) -> b(x) w(c(x)) -> b(x) - Signature: {a/1,u/1,v/1,w/1,a#/1,u#/1,v#/1,w#/1} / {b/1,c/1,d/1,c_1/0,c_2/0,c_3/0,c_4/0} - Obligation: innermost runtime complexity wrt. defined symbols {a#,u#,v#,w#} and constructors {b,c,d} + Applied Processor: UsableRules + Details: We replace rewrite rules by usable rules: a#(c(d(x))) -> c_1() u#(b(d(d(x)))) -> c_2() v#(c(x)) -> c_3() w#(c(x)) -> c_4() * Step 3: Trivial WORST_CASE(?,O(1)) + Considered Problem: - Strict DPs: a#(c(d(x))) -> c_1() u#(b(d(d(x)))) -> c_2() v#(c(x)) -> c_3() w#(c(x)) -> c_4() - Signature: {a/1,u/1,v/1,w/1,a#/1,u#/1,v#/1,w#/1} / {b/1,c/1,d/1,c_1/0,c_2/0,c_3/0,c_4/0} - Obligation: innermost runtime complexity wrt. defined symbols {a#,u#,v#,w#} and constructors {b,c,d} + Applied Processor: Trivial + Details: Consider the dependency graph 1:S:a#(c(d(x))) -> c_1() 2:S:u#(b(d(d(x)))) -> c_2() 3:S:v#(c(x)) -> c_3() 4:S:w#(c(x)) -> c_4() The dependency graph contains no loops, we remove all dependency pairs. * Step 4: EmptyProcessor WORST_CASE(?,O(1)) + Considered Problem: - Signature: {a/1,u/1,v/1,w/1,a#/1,u#/1,v#/1,w#/1} / {b/1,c/1,d/1,c_1/0,c_2/0,c_3/0,c_4/0} - Obligation: innermost runtime complexity wrt. defined symbols {a#,u#,v#,w#} and constructors {b,c,d} + Applied Processor: EmptyProcessor + Details: The problem is already closed. The intended complexity is O(1). WORST_CASE(?,O(1))