43.32/43.62 YES 43.32/43.62 43.32/43.62 Problem 1: 43.32/43.62 43.32/43.62 (VAR v_NonEmpty:S x1:S) 43.32/43.62 (RULES 43.32/43.62 a(a(a(a(x1:S)))) -> a(b(b(a(x1:S)))) 43.32/43.62 b(a(a(b(x1:S)))) -> b(a(b(a(x1:S)))) 43.32/43.62 b(b(a(b(x1:S)))) -> a(a(b(a(x1:S)))) 43.32/43.62 ) 43.32/43.62 43.32/43.62 Problem 1: 43.32/43.62 43.32/43.62 Dependency Pairs Processor: 43.32/43.62 -> Pairs: 43.32/43.62 A(a(a(a(x1:S)))) -> A(b(b(a(x1:S)))) 43.32/43.62 A(a(a(a(x1:S)))) -> B(a(x1:S)) 43.32/43.62 A(a(a(a(x1:S)))) -> B(b(a(x1:S))) 43.32/43.62 B(a(a(b(x1:S)))) -> A(b(a(x1:S))) 43.32/43.62 B(a(a(b(x1:S)))) -> A(x1:S) 43.32/43.62 B(a(a(b(x1:S)))) -> B(a(b(a(x1:S)))) 43.32/43.62 B(a(a(b(x1:S)))) -> B(a(x1:S)) 43.32/43.62 B(b(a(b(x1:S)))) -> A(a(b(a(x1:S)))) 43.32/43.62 B(b(a(b(x1:S)))) -> A(b(a(x1:S))) 43.32/43.62 B(b(a(b(x1:S)))) -> A(x1:S) 43.32/43.62 B(b(a(b(x1:S)))) -> B(a(x1:S)) 43.32/43.62 -> Rules: 43.32/43.62 a(a(a(a(x1:S)))) -> a(b(b(a(x1:S)))) 43.32/43.62 b(a(a(b(x1:S)))) -> b(a(b(a(x1:S)))) 43.32/43.62 b(b(a(b(x1:S)))) -> a(a(b(a(x1:S)))) 43.32/43.62 43.32/43.62 Problem 1: 43.32/43.62 43.32/43.62 SCC Processor: 43.32/43.62 -> Pairs: 43.32/43.62 A(a(a(a(x1:S)))) -> A(b(b(a(x1:S)))) 43.32/43.62 A(a(a(a(x1:S)))) -> B(a(x1:S)) 43.32/43.62 A(a(a(a(x1:S)))) -> B(b(a(x1:S))) 43.32/43.62 B(a(a(b(x1:S)))) -> A(b(a(x1:S))) 43.32/43.62 B(a(a(b(x1:S)))) -> A(x1:S) 43.32/43.62 B(a(a(b(x1:S)))) -> B(a(b(a(x1:S)))) 43.32/43.62 B(a(a(b(x1:S)))) -> B(a(x1:S)) 43.32/43.62 B(b(a(b(x1:S)))) -> A(a(b(a(x1:S)))) 43.32/43.62 B(b(a(b(x1:S)))) -> A(b(a(x1:S))) 43.32/43.62 B(b(a(b(x1:S)))) -> A(x1:S) 43.32/43.62 B(b(a(b(x1:S)))) -> B(a(x1:S)) 43.32/43.62 -> Rules: 43.32/43.62 a(a(a(a(x1:S)))) -> a(b(b(a(x1:S)))) 43.32/43.62 b(a(a(b(x1:S)))) -> b(a(b(a(x1:S)))) 43.32/43.62 b(b(a(b(x1:S)))) -> a(a(b(a(x1:S)))) 43.32/43.62 ->Strongly Connected Components: 43.32/43.62 ->->Cycle: 43.32/43.62 ->->-> Pairs: 43.32/43.62 A(a(a(a(x1:S)))) -> A(b(b(a(x1:S)))) 43.32/43.62 A(a(a(a(x1:S)))) -> B(a(x1:S)) 43.32/43.62 A(a(a(a(x1:S)))) -> B(b(a(x1:S))) 43.32/43.62 B(a(a(b(x1:S)))) -> A(b(a(x1:S))) 43.32/43.62 B(a(a(b(x1:S)))) -> A(x1:S) 43.32/43.62 B(a(a(b(x1:S)))) -> B(a(b(a(x1:S)))) 43.32/43.62 B(a(a(b(x1:S)))) -> B(a(x1:S)) 43.32/43.62 B(b(a(b(x1:S)))) -> A(a(b(a(x1:S)))) 43.32/43.62 B(b(a(b(x1:S)))) -> A(b(a(x1:S))) 43.32/43.62 B(b(a(b(x1:S)))) -> A(x1:S) 43.32/43.62 B(b(a(b(x1:S)))) -> B(a(x1:S)) 43.32/43.62 ->->-> Rules: 43.32/43.62 a(a(a(a(x1:S)))) -> a(b(b(a(x1:S)))) 43.32/43.62 b(a(a(b(x1:S)))) -> b(a(b(a(x1:S)))) 43.32/43.62 b(b(a(b(x1:S)))) -> a(a(b(a(x1:S)))) 43.32/43.62 43.32/43.62 Problem 1: 43.32/43.62 43.32/43.62 Reduction Pair Processor: 43.32/43.62 -> Pairs: 43.32/43.62 A(a(a(a(x1:S)))) -> A(b(b(a(x1:S)))) 43.32/43.62 A(a(a(a(x1:S)))) -> B(a(x1:S)) 43.32/43.62 A(a(a(a(x1:S)))) -> B(b(a(x1:S))) 43.32/43.62 B(a(a(b(x1:S)))) -> A(b(a(x1:S))) 43.32/43.62 B(a(a(b(x1:S)))) -> A(x1:S) 43.32/43.62 B(a(a(b(x1:S)))) -> B(a(b(a(x1:S)))) 43.32/43.62 B(a(a(b(x1:S)))) -> B(a(x1:S)) 43.32/43.62 B(b(a(b(x1:S)))) -> A(a(b(a(x1:S)))) 43.32/43.62 B(b(a(b(x1:S)))) -> A(b(a(x1:S))) 43.32/43.62 B(b(a(b(x1:S)))) -> A(x1:S) 43.32/43.62 B(b(a(b(x1:S)))) -> B(a(x1:S)) 43.32/43.62 -> Rules: 43.32/43.62 a(a(a(a(x1:S)))) -> a(b(b(a(x1:S)))) 43.32/43.62 b(a(a(b(x1:S)))) -> b(a(b(a(x1:S)))) 43.32/43.62 b(b(a(b(x1:S)))) -> a(a(b(a(x1:S)))) 43.32/43.62 -> Usable rules: 43.32/43.62 a(a(a(a(x1:S)))) -> a(b(b(a(x1:S)))) 43.32/43.62 b(a(a(b(x1:S)))) -> b(a(b(a(x1:S)))) 43.32/43.62 b(b(a(b(x1:S)))) -> a(a(b(a(x1:S)))) 43.32/43.62 ->Interpretation type: 43.32/43.62 Linear 43.32/43.62 ->Coefficients: 43.32/43.62 Natural Numbers 43.32/43.62 ->Dimension: 43.32/43.62 1 43.32/43.62 ->Bound: 43.32/43.62 2 43.32/43.62 ->Interpretation: 43.32/43.62 43.32/43.62 [a](X) = 2.X + 2 43.32/43.62 [b](X) = 2.X + 2 43.32/43.62 [A](X) = 2.X + 2 43.32/43.62 [B](X) = 2.X + 2 43.32/43.62 43.32/43.62 Problem 1: 43.32/43.62 43.32/43.62 SCC Processor: 43.32/43.62 -> Pairs: 43.32/43.62 A(a(a(a(x1:S)))) -> A(b(b(a(x1:S)))) 43.32/43.62 A(a(a(a(x1:S)))) -> B(b(a(x1:S))) 43.32/43.62 B(a(a(b(x1:S)))) -> A(b(a(x1:S))) 43.32/43.62 B(a(a(b(x1:S)))) -> A(x1:S) 43.32/43.62 B(a(a(b(x1:S)))) -> B(a(b(a(x1:S)))) 43.32/43.62 B(a(a(b(x1:S)))) -> B(a(x1:S)) 43.32/43.62 B(b(a(b(x1:S)))) -> A(a(b(a(x1:S)))) 43.32/43.62 B(b(a(b(x1:S)))) -> A(b(a(x1:S))) 43.32/43.62 B(b(a(b(x1:S)))) -> A(x1:S) 43.32/43.62 B(b(a(b(x1:S)))) -> B(a(x1:S)) 43.32/43.62 -> Rules: 43.32/43.62 a(a(a(a(x1:S)))) -> a(b(b(a(x1:S)))) 43.32/43.62 b(a(a(b(x1:S)))) -> b(a(b(a(x1:S)))) 43.32/43.62 b(b(a(b(x1:S)))) -> a(a(b(a(x1:S)))) 43.32/43.62 ->Strongly Connected Components: 43.32/43.62 ->->Cycle: 43.32/43.62 ->->-> Pairs: 43.32/43.62 A(a(a(a(x1:S)))) -> A(b(b(a(x1:S)))) 43.32/43.62 A(a(a(a(x1:S)))) -> B(b(a(x1:S))) 43.32/43.62 B(a(a(b(x1:S)))) -> A(b(a(x1:S))) 43.32/43.62 B(a(a(b(x1:S)))) -> A(x1:S) 43.32/43.62 B(a(a(b(x1:S)))) -> B(a(b(a(x1:S)))) 43.32/43.62 B(a(a(b(x1:S)))) -> B(a(x1:S)) 43.32/43.62 B(b(a(b(x1:S)))) -> A(a(b(a(x1:S)))) 43.32/43.62 B(b(a(b(x1:S)))) -> A(b(a(x1:S))) 43.32/43.62 B(b(a(b(x1:S)))) -> A(x1:S) 43.32/43.62 B(b(a(b(x1:S)))) -> B(a(x1:S)) 43.32/43.62 ->->-> Rules: 43.32/43.62 a(a(a(a(x1:S)))) -> a(b(b(a(x1:S)))) 43.32/43.62 b(a(a(b(x1:S)))) -> b(a(b(a(x1:S)))) 43.32/43.62 b(b(a(b(x1:S)))) -> a(a(b(a(x1:S)))) 43.32/43.62 43.32/43.62 Problem 1: 43.32/43.62 43.32/43.62 Reduction Pair Processor: 43.32/43.62 -> Pairs: 43.32/43.62 A(a(a(a(x1:S)))) -> A(b(b(a(x1:S)))) 43.32/43.62 A(a(a(a(x1:S)))) -> B(b(a(x1:S))) 43.32/43.62 B(a(a(b(x1:S)))) -> A(b(a(x1:S))) 43.32/43.62 B(a(a(b(x1:S)))) -> A(x1:S) 43.32/43.62 B(a(a(b(x1:S)))) -> B(a(b(a(x1:S)))) 43.32/43.62 B(a(a(b(x1:S)))) -> B(a(x1:S)) 43.32/43.62 B(b(a(b(x1:S)))) -> A(a(b(a(x1:S)))) 43.32/43.62 B(b(a(b(x1:S)))) -> A(b(a(x1:S))) 43.32/43.62 B(b(a(b(x1:S)))) -> A(x1:S) 43.32/43.62 B(b(a(b(x1:S)))) -> B(a(x1:S)) 43.32/43.62 -> Rules: 43.32/43.62 a(a(a(a(x1:S)))) -> a(b(b(a(x1:S)))) 43.32/43.62 b(a(a(b(x1:S)))) -> b(a(b(a(x1:S)))) 43.32/43.62 b(b(a(b(x1:S)))) -> a(a(b(a(x1:S)))) 43.32/43.62 -> Usable rules: 43.32/43.62 a(a(a(a(x1:S)))) -> a(b(b(a(x1:S)))) 43.32/43.62 b(a(a(b(x1:S)))) -> b(a(b(a(x1:S)))) 43.32/43.62 b(b(a(b(x1:S)))) -> a(a(b(a(x1:S)))) 43.32/43.62 ->Interpretation type: 43.32/43.62 Linear 43.32/43.62 ->Coefficients: 43.32/43.62 Natural Numbers 43.32/43.62 ->Dimension: 43.32/43.62 1 43.32/43.62 ->Bound: 43.32/43.62 2 43.32/43.62 ->Interpretation: 43.32/43.62 43.32/43.62 [a](X) = 2.X + 2 43.32/43.62 [b](X) = 2.X + 2 43.32/43.62 [A](X) = 2.X + 2 43.32/43.62 [B](X) = 2.X + 2 43.32/43.62 43.32/43.62 Problem 1: 43.32/43.62 43.32/43.62 SCC Processor: 43.32/43.62 -> Pairs: 43.32/43.62 A(a(a(a(x1:S)))) -> A(b(b(a(x1:S)))) 43.32/43.62 B(a(a(b(x1:S)))) -> A(b(a(x1:S))) 43.32/43.62 B(a(a(b(x1:S)))) -> A(x1:S) 43.32/43.62 B(a(a(b(x1:S)))) -> B(a(b(a(x1:S)))) 43.32/43.62 B(a(a(b(x1:S)))) -> B(a(x1:S)) 43.32/43.62 B(b(a(b(x1:S)))) -> A(a(b(a(x1:S)))) 43.32/43.62 B(b(a(b(x1:S)))) -> A(b(a(x1:S))) 43.32/43.62 B(b(a(b(x1:S)))) -> A(x1:S) 43.32/43.62 B(b(a(b(x1:S)))) -> B(a(x1:S)) 43.32/43.62 -> Rules: 43.32/43.62 a(a(a(a(x1:S)))) -> a(b(b(a(x1:S)))) 43.32/43.62 b(a(a(b(x1:S)))) -> b(a(b(a(x1:S)))) 43.32/43.62 b(b(a(b(x1:S)))) -> a(a(b(a(x1:S)))) 43.32/43.62 ->Strongly Connected Components: 43.32/43.62 ->->Cycle: 43.32/43.62 ->->-> Pairs: 43.32/43.62 A(a(a(a(x1:S)))) -> A(b(b(a(x1:S)))) 43.32/43.62 ->->-> Rules: 43.32/43.62 a(a(a(a(x1:S)))) -> a(b(b(a(x1:S)))) 43.32/43.62 b(a(a(b(x1:S)))) -> b(a(b(a(x1:S)))) 43.32/43.62 b(b(a(b(x1:S)))) -> a(a(b(a(x1:S)))) 43.32/43.62 ->->Cycle: 43.32/43.62 ->->-> Pairs: 43.32/43.62 B(a(a(b(x1:S)))) -> B(a(b(a(x1:S)))) 43.32/43.62 B(a(a(b(x1:S)))) -> B(a(x1:S)) 43.32/43.62 B(b(a(b(x1:S)))) -> B(a(x1:S)) 43.32/43.62 ->->-> Rules: 43.32/43.62 a(a(a(a(x1:S)))) -> a(b(b(a(x1:S)))) 43.32/43.62 b(a(a(b(x1:S)))) -> b(a(b(a(x1:S)))) 43.32/43.62 b(b(a(b(x1:S)))) -> a(a(b(a(x1:S)))) 43.32/43.62 43.32/43.62 43.32/43.62 The problem is decomposed in 2 subproblems. 43.32/43.62 43.32/43.62 Problem 1.1: 43.32/43.62 43.32/43.62 Reduction Pair Processor: 43.32/43.62 -> Pairs: 43.32/43.62 A(a(a(a(x1:S)))) -> A(b(b(a(x1:S)))) 43.32/43.62 -> Rules: 43.32/43.62 a(a(a(a(x1:S)))) -> a(b(b(a(x1:S)))) 43.32/43.62 b(a(a(b(x1:S)))) -> b(a(b(a(x1:S)))) 43.32/43.62 b(b(a(b(x1:S)))) -> a(a(b(a(x1:S)))) 43.32/43.62 -> Usable rules: 43.32/43.62 a(a(a(a(x1:S)))) -> a(b(b(a(x1:S)))) 43.32/43.62 b(a(a(b(x1:S)))) -> b(a(b(a(x1:S)))) 43.32/43.62 b(b(a(b(x1:S)))) -> a(a(b(a(x1:S)))) 43.32/43.62 ->Interpretation type: 43.32/43.62 Linear 43.32/43.62 ->Coefficients: 43.32/43.62 Natural Numbers 43.32/43.62 ->Dimension: 43.32/43.62 2 43.32/43.62 ->Bound: 43.32/43.62 1 43.32/43.62 ->Interpretation: 43.32/43.62 43.32/43.62 [a](X) = [0 0;0 1].X + [0;1] 43.32/43.62 [b](X) = [0 1;1 0].X + [0;1] 43.32/43.62 [A](X) = [0 1;1 1].X 43.32/43.62 43.32/43.62 Problem 1.1: 43.32/43.62 43.32/43.62 SCC Processor: 43.32/43.62 -> Pairs: 43.32/43.62 Empty 43.32/43.62 -> Rules: 43.32/43.62 a(a(a(a(x1:S)))) -> a(b(b(a(x1:S)))) 43.32/43.62 b(a(a(b(x1:S)))) -> b(a(b(a(x1:S)))) 43.32/43.62 b(b(a(b(x1:S)))) -> a(a(b(a(x1:S)))) 43.32/43.62 ->Strongly Connected Components: 43.32/43.62 There is no strongly connected component 43.32/43.62 43.32/43.62 The problem is finite. 43.32/43.62 43.32/43.62 Problem 1.2: 43.32/43.62 43.32/43.62 Reduction Pair Processor: 43.32/43.62 -> Pairs: 43.32/43.62 B(a(a(b(x1:S)))) -> B(a(b(a(x1:S)))) 43.32/43.62 B(a(a(b(x1:S)))) -> B(a(x1:S)) 43.32/43.62 B(b(a(b(x1:S)))) -> B(a(x1:S)) 43.32/43.62 -> Rules: 43.32/43.62 a(a(a(a(x1:S)))) -> a(b(b(a(x1:S)))) 43.32/43.62 b(a(a(b(x1:S)))) -> b(a(b(a(x1:S)))) 43.32/43.62 b(b(a(b(x1:S)))) -> a(a(b(a(x1:S)))) 43.32/43.62 -> Usable rules: 43.32/43.62 a(a(a(a(x1:S)))) -> a(b(b(a(x1:S)))) 43.32/43.62 b(a(a(b(x1:S)))) -> b(a(b(a(x1:S)))) 43.32/43.62 b(b(a(b(x1:S)))) -> a(a(b(a(x1:S)))) 43.32/43.62 ->Interpretation type: 43.32/43.62 Linear 43.32/43.62 ->Coefficients: 43.32/43.62 Natural Numbers 43.32/43.62 ->Dimension: 43.32/43.62 1 43.32/43.62 ->Bound: 43.32/43.62 2 43.32/43.62 ->Interpretation: 43.32/43.62 43.32/43.62 [a](X) = X + 1 43.32/43.62 [b](X) = X + 1 43.32/43.62 [B](X) = X 43.32/43.62 43.32/43.62 Problem 1.2: 43.32/43.62 43.32/43.62 SCC Processor: 43.32/43.62 -> Pairs: 43.32/43.62 B(a(a(b(x1:S)))) -> B(a(b(a(x1:S)))) 43.32/43.62 B(b(a(b(x1:S)))) -> B(a(x1:S)) 43.32/43.62 -> Rules: 43.32/43.62 a(a(a(a(x1:S)))) -> a(b(b(a(x1:S)))) 43.32/43.62 b(a(a(b(x1:S)))) -> b(a(b(a(x1:S)))) 43.32/43.62 b(b(a(b(x1:S)))) -> a(a(b(a(x1:S)))) 43.32/43.62 ->Strongly Connected Components: 43.32/43.62 ->->Cycle: 43.32/43.62 ->->-> Pairs: 43.32/43.62 B(a(a(b(x1:S)))) -> B(a(b(a(x1:S)))) 43.32/43.62 B(b(a(b(x1:S)))) -> B(a(x1:S)) 43.32/43.62 ->->-> Rules: 43.32/43.62 a(a(a(a(x1:S)))) -> a(b(b(a(x1:S)))) 43.32/43.62 b(a(a(b(x1:S)))) -> b(a(b(a(x1:S)))) 43.32/43.62 b(b(a(b(x1:S)))) -> a(a(b(a(x1:S)))) 43.32/43.62 43.32/43.62 Problem 1.2: 43.32/43.62 43.32/43.62 Reduction Pair Processor: 43.32/43.62 -> Pairs: 43.32/43.62 B(a(a(b(x1:S)))) -> B(a(b(a(x1:S)))) 43.32/43.62 B(b(a(b(x1:S)))) -> B(a(x1:S)) 43.32/43.62 -> Rules: 43.32/43.62 a(a(a(a(x1:S)))) -> a(b(b(a(x1:S)))) 43.32/43.62 b(a(a(b(x1:S)))) -> b(a(b(a(x1:S)))) 43.32/43.62 b(b(a(b(x1:S)))) -> a(a(b(a(x1:S)))) 43.32/43.62 -> Usable rules: 43.32/43.62 a(a(a(a(x1:S)))) -> a(b(b(a(x1:S)))) 43.32/43.62 b(a(a(b(x1:S)))) -> b(a(b(a(x1:S)))) 43.32/43.62 b(b(a(b(x1:S)))) -> a(a(b(a(x1:S)))) 43.32/43.62 ->Interpretation type: 43.32/43.62 Linear 43.32/43.62 ->Coefficients: 43.32/43.62 Natural Numbers 43.32/43.62 ->Dimension: 43.32/43.62 1 43.32/43.62 ->Bound: 43.32/43.62 2 43.32/43.62 ->Interpretation: 43.32/43.62 43.32/43.62 [a](X) = X + 1 43.32/43.62 [b](X) = X + 1 43.32/43.62 [B](X) = 2.X 43.32/43.62 43.32/43.62 Problem 1.2: 43.32/43.62 43.32/43.62 SCC Processor: 43.32/43.62 -> Pairs: 43.32/43.62 B(a(a(b(x1:S)))) -> B(a(b(a(x1:S)))) 43.32/43.62 -> Rules: 43.32/43.62 a(a(a(a(x1:S)))) -> a(b(b(a(x1:S)))) 43.32/43.62 b(a(a(b(x1:S)))) -> b(a(b(a(x1:S)))) 43.32/43.62 b(b(a(b(x1:S)))) -> a(a(b(a(x1:S)))) 43.32/43.63 ->Strongly Connected Components: 43.32/43.63 ->->Cycle: 43.32/43.63 ->->-> Pairs: 43.32/43.63 B(a(a(b(x1:S)))) -> B(a(b(a(x1:S)))) 43.32/43.63 ->->-> Rules: 43.32/43.63 a(a(a(a(x1:S)))) -> a(b(b(a(x1:S)))) 43.32/43.63 b(a(a(b(x1:S)))) -> b(a(b(a(x1:S)))) 43.32/43.63 b(b(a(b(x1:S)))) -> a(a(b(a(x1:S)))) 43.32/43.63 43.32/43.63 Problem 1.2: 43.32/43.63 43.32/43.63 Reduction Pair Processor: 43.32/43.63 -> Pairs: 43.32/43.63 B(a(a(b(x1:S)))) -> B(a(b(a(x1:S)))) 43.32/43.63 -> Rules: 43.32/43.63 a(a(a(a(x1:S)))) -> a(b(b(a(x1:S)))) 43.32/43.63 b(a(a(b(x1:S)))) -> b(a(b(a(x1:S)))) 43.32/43.63 b(b(a(b(x1:S)))) -> a(a(b(a(x1:S)))) 43.32/43.63 -> Usable rules: 43.32/43.63 a(a(a(a(x1:S)))) -> a(b(b(a(x1:S)))) 43.32/43.63 b(a(a(b(x1:S)))) -> b(a(b(a(x1:S)))) 43.32/43.63 b(b(a(b(x1:S)))) -> a(a(b(a(x1:S)))) 43.32/43.63 ->Interpretation type: 43.32/43.63 Linear 43.32/43.63 ->Coefficients: 43.32/43.63 Natural Numbers 43.32/43.63 ->Dimension: 43.32/43.63 2 43.32/43.63 ->Bound: 43.32/43.63 1 43.32/43.63 ->Interpretation: 43.32/43.63 43.32/43.63 [a](X) = [0 0;0 1].X + [0;1] 43.32/43.63 [b](X) = [1 1;1 0].X + [0;1] 43.32/43.63 [B](X) = [0 1;0 1].X 43.32/43.63 43.32/43.63 Problem 1.2: 43.32/43.63 43.32/43.63 SCC Processor: 43.32/43.63 -> Pairs: 43.32/43.63 Empty 43.32/43.63 -> Rules: 43.32/43.63 a(a(a(a(x1:S)))) -> a(b(b(a(x1:S)))) 43.32/43.63 b(a(a(b(x1:S)))) -> b(a(b(a(x1:S)))) 43.32/43.63 b(b(a(b(x1:S)))) -> a(a(b(a(x1:S)))) 43.32/43.63 ->Strongly Connected Components: 43.32/43.63 There is no strongly connected component 43.32/43.63 43.32/43.63 The problem is finite. 43.32/89.30 EOF