*** 1 Progress [(O(1),O(1))] *** Considered Problem: Strict DP Rules: Strict TRS Rules: b(x,b(z,y)) -> f(b(f(f(z)),c(x,z,y))) b(y,z) -> z f(c(a(),z,x)) -> b(a(),z) Weak DP Rules: Weak TRS Rules: Signature: {b/2,f/1} / {a/0,c/3} Obligation: Innermost basic terms: {b,f}/{a,c} Applied Processor: InnermostRuleRemoval Proof: Arguments of following rules are not normal-forms. b(x,b(z,y)) -> f(b(f(f(z)),c(x,z,y))) All above mentioned rules can be savely removed. *** 1.1 Progress [(O(1),O(1))] *** Considered Problem: Strict DP Rules: Strict TRS Rules: b(y,z) -> z f(c(a(),z,x)) -> b(a(),z) Weak DP Rules: Weak TRS Rules: Signature: {b/2,f/1} / {a/0,c/3} Obligation: Innermost basic terms: {b,f}/{a,c} Applied Processor: DependencyPairs {dpKind_ = DT} Proof: We add the following dependency tuples: Strict DPs b#(y,z) -> c_1() f#(c(a(),z,x)) -> c_2(b#(a(),z)) Weak DPs and mark the set of starting terms. *** 1.1.1 Progress [(O(1),O(1))] *** Considered Problem: Strict DP Rules: b#(y,z) -> c_1() f#(c(a(),z,x)) -> c_2(b#(a(),z)) Strict TRS Rules: Weak DP Rules: Weak TRS Rules: b(y,z) -> z f(c(a(),z,x)) -> b(a(),z) Signature: {b/2,f/1,b#/2,f#/1} / {a/0,c/3,c_1/0,c_2/1} Obligation: Innermost basic terms: {b#,f#}/{a,c} Applied Processor: UsableRules Proof: We replace rewrite rules by usable rules: b#(y,z) -> c_1() f#(c(a(),z,x)) -> c_2(b#(a(),z)) *** 1.1.1.1 Progress [(O(1),O(1))] *** Considered Problem: Strict DP Rules: b#(y,z) -> c_1() f#(c(a(),z,x)) -> c_2(b#(a(),z)) Strict TRS Rules: Weak DP Rules: Weak TRS Rules: Signature: {b/2,f/1,b#/2,f#/1} / {a/0,c/3,c_1/0,c_2/1} Obligation: Innermost basic terms: {b#,f#}/{a,c} Applied Processor: Trivial Proof: Consider the dependency graph 1:S:b#(y,z) -> c_1() 2:S:f#(c(a(),z,x)) -> c_2(b#(a(),z)) -->_1 b#(y,z) -> c_1():1 The dependency graph contains no loops, we remove all dependency pairs. *** 1.1.1.1.1 Progress [(O(1),O(1))] *** Considered Problem: Strict DP Rules: Strict TRS Rules: Weak DP Rules: Weak TRS Rules: Signature: {b/2,f/1,b#/2,f#/1} / {a/0,c/3,c_1/0,c_2/1} Obligation: Innermost basic terms: {b#,f#}/{a,c} Applied Processor: EmptyProcessor Proof: The problem is already closed. The intended complexity is O(1).