*** 1 Progress [(O(1),O(1))] *** Considered Problem: Strict DP Rules: Strict TRS Rules: cons(x,y) -> x cons(x,y) -> y f(s(a()),s(b()),x) -> f(x,x,x) g(f(s(x),s(y),z)) -> g(f(x,y,z)) Weak DP Rules: Weak TRS Rules: Signature: {cons/2,f/3,g/1} / {a/0,b/0,s/1} Obligation: Innermost basic terms: {cons,f,g}/{a,b,s} Applied Processor: DependencyPairs {dpKind_ = DT} Proof: We add the following dependency tuples: Strict DPs cons#(x,y) -> c_1() cons#(x,y) -> c_2() f#(s(a()),s(b()),x) -> c_3(f#(x,x,x)) g#(f(s(x),s(y),z)) -> c_4(g#(f(x,y,z)),f#(x,y,z)) Weak DPs and mark the set of starting terms. *** 1.1 Progress [(O(1),O(1))] *** Considered Problem: Strict DP Rules: cons#(x,y) -> c_1() cons#(x,y) -> c_2() f#(s(a()),s(b()),x) -> c_3(f#(x,x,x)) g#(f(s(x),s(y),z)) -> c_4(g#(f(x,y,z)),f#(x,y,z)) Strict TRS Rules: Weak DP Rules: Weak TRS Rules: cons(x,y) -> x cons(x,y) -> y f(s(a()),s(b()),x) -> f(x,x,x) g(f(s(x),s(y),z)) -> g(f(x,y,z)) Signature: {cons/2,f/3,g/1,cons#/2,f#/3,g#/1} / {a/0,b/0,s/1,c_1/0,c_2/0,c_3/1,c_4/2} Obligation: Innermost basic terms: {cons#,f#,g#}/{a,b,s} Applied Processor: UsableRules Proof: We replace rewrite rules by usable rules: cons#(x,y) -> c_1() cons#(x,y) -> c_2() f#(s(a()),s(b()),x) -> c_3(f#(x,x,x)) *** 1.1.1 Progress [(O(1),O(1))] *** Considered Problem: Strict DP Rules: cons#(x,y) -> c_1() cons#(x,y) -> c_2() f#(s(a()),s(b()),x) -> c_3(f#(x,x,x)) Strict TRS Rules: Weak DP Rules: Weak TRS Rules: Signature: {cons/2,f/3,g/1,cons#/2,f#/3,g#/1} / {a/0,b/0,s/1,c_1/0,c_2/0,c_3/1,c_4/2} Obligation: Innermost basic terms: {cons#,f#,g#}/{a,b,s} Applied Processor: Trivial Proof: Consider the dependency graph 1:S:cons#(x,y) -> c_1() 2:S:cons#(x,y) -> c_2() 3:S:f#(s(a()),s(b()),x) -> c_3(f#(x,x,x)) The dependency graph contains no loops, we remove all dependency pairs. *** 1.1.1.1 Progress [(O(1),O(1))] *** Considered Problem: Strict DP Rules: Strict TRS Rules: Weak DP Rules: Weak TRS Rules: Signature: {cons/2,f/3,g/1,cons#/2,f#/3,g#/1} / {a/0,b/0,s/1,c_1/0,c_2/0,c_3/1,c_4/2} Obligation: Innermost basic terms: {cons#,f#,g#}/{a,b,s} Applied Processor: EmptyProcessor Proof: The problem is already closed. The intended complexity is O(1).