171.17/43.70 YES 171.17/43.71 171.17/43.71 Problem: 171.17/43.71 a(x1) -> x1 171.17/43.71 a(b(x1)) -> b(b(a(a(c(x1))))) 171.17/43.71 b(x1) -> x1 171.17/43.71 c(a(c(x1))) -> x1 171.17/43.71 171.17/43.71 Proof: 171.17/43.71 String Reversal Processor: 171.17/43.71 a(x1) -> x1 171.17/43.71 b(a(x1)) -> c(a(a(b(b(x1))))) 171.17/43.71 b(x1) -> x1 171.17/43.71 c(a(c(x1))) -> x1 171.17/43.71 DP Processor: 171.17/43.71 DPs: 171.17/43.71 b#(a(x1)) -> b#(x1) 171.17/43.71 b#(a(x1)) -> b#(b(x1)) 171.17/43.71 b#(a(x1)) -> a#(b(b(x1))) 171.17/43.71 b#(a(x1)) -> a#(a(b(b(x1)))) 171.17/43.71 b#(a(x1)) -> c#(a(a(b(b(x1))))) 171.17/43.71 TRS: 171.17/43.71 a(x1) -> x1 171.17/43.71 b(a(x1)) -> c(a(a(b(b(x1))))) 171.17/43.71 b(x1) -> x1 171.17/43.71 c(a(c(x1))) -> x1 171.17/43.71 TDG Processor: 171.17/43.71 DPs: 171.17/43.71 b#(a(x1)) -> b#(x1) 171.17/43.71 b#(a(x1)) -> b#(b(x1)) 171.17/43.71 b#(a(x1)) -> a#(b(b(x1))) 171.17/43.71 b#(a(x1)) -> a#(a(b(b(x1)))) 171.17/43.71 b#(a(x1)) -> c#(a(a(b(b(x1))))) 171.17/43.71 TRS: 171.17/43.71 a(x1) -> x1 171.17/43.71 b(a(x1)) -> c(a(a(b(b(x1))))) 171.17/43.71 b(x1) -> x1 171.17/43.71 c(a(c(x1))) -> x1 171.17/43.71 graph: 171.17/43.71 b#(a(x1)) -> b#(b(x1)) -> b#(a(x1)) -> c#(a(a(b(b(x1))))) 171.17/43.71 b#(a(x1)) -> b#(b(x1)) -> b#(a(x1)) -> a#(a(b(b(x1)))) 171.17/43.71 b#(a(x1)) -> b#(b(x1)) -> b#(a(x1)) -> a#(b(b(x1))) 171.17/43.71 b#(a(x1)) -> b#(b(x1)) -> b#(a(x1)) -> b#(b(x1)) 171.17/43.71 b#(a(x1)) -> b#(b(x1)) -> b#(a(x1)) -> b#(x1) 171.17/43.71 b#(a(x1)) -> b#(x1) -> b#(a(x1)) -> c#(a(a(b(b(x1))))) 171.17/43.71 b#(a(x1)) -> b#(x1) -> b#(a(x1)) -> a#(a(b(b(x1)))) 171.17/43.71 b#(a(x1)) -> b#(x1) -> b#(a(x1)) -> a#(b(b(x1))) 171.17/43.71 b#(a(x1)) -> b#(x1) -> b#(a(x1)) -> b#(b(x1)) 171.17/43.71 b#(a(x1)) -> b#(x1) -> b#(a(x1)) -> b#(x1) 171.17/43.71 SCC Processor: 171.17/43.71 #sccs: 1 171.17/43.71 #rules: 2 171.17/43.71 #arcs: 10/25 171.17/43.71 DPs: 171.17/43.71 b#(a(x1)) -> b#(b(x1)) 171.17/43.71 b#(a(x1)) -> b#(x1) 171.17/43.71 TRS: 171.17/43.71 a(x1) -> x1 171.17/43.71 b(a(x1)) -> c(a(a(b(b(x1))))) 171.17/43.71 b(x1) -> x1 171.17/43.71 c(a(c(x1))) -> x1 171.17/43.71 Arctic Interpretation Processor: 171.17/43.71 dimension: 2 171.17/43.71 usable rules: 171.17/43.71 a(x1) -> x1 171.17/43.71 b(a(x1)) -> c(a(a(b(b(x1))))) 171.17/43.71 b(x1) -> x1 171.17/43.71 c(a(c(x1))) -> x1 171.17/43.71 interpretation: 171.17/43.71 [b#](x0) = [0 2]x0, 171.17/43.71 171.17/43.71 [1 0 ] [0] 171.17/43.71 [c](x0) = [0 -&]x0 + [0], 171.17/43.71 171.17/43.71 [0 1 ] [0 ] 171.17/43.71 [b](x0) = [-& 0 ]x0 + [-&], 171.17/43.71 171.17/43.71 [0 0] [0] 171.17/43.71 [a](x0) = [0 1]x0 + [0] 171.17/43.71 orientation: 171.17/43.71 b#(a(x1)) = [2 3]x1 + [2] >= [0 2]x1 + [0] = b#(b(x1)) 171.17/43.71 171.17/43.71 b#(a(x1)) = [2 3]x1 + [2] >= [0 2]x1 = b#(x1) 171.17/43.71 171.17/43.71 [0 0] [0] 171.17/43.71 a(x1) = [0 1]x1 + [0] >= x1 = x1 171.17/43.71 171.17/43.71 [1 2] [1] [1 2] [1] 171.17/43.71 b(a(x1)) = [0 1]x1 + [0] >= [0 1]x1 + [0] = c(a(a(b(b(x1))))) 171.17/43.71 171.17/43.71 [0 1 ] [0 ] 171.17/43.71 b(x1) = [-& 0 ]x1 + [-&] >= x1 = x1 171.17/43.71 171.17/43.71 [2 1] [1] 171.17/43.71 c(a(c(x1))) = [1 0]x1 + [0] >= x1 = x1 171.17/43.71 problem: 171.17/43.71 DPs: 171.17/43.71 171.17/43.71 TRS: 171.17/43.71 a(x1) -> x1 171.17/43.71 b(a(x1)) -> c(a(a(b(b(x1))))) 171.17/43.71 b(x1) -> x1 171.17/43.71 c(a(c(x1))) -> x1 171.17/43.71 Qed 171.17/43.72 EOF