/export/starexec/sandbox2/solver/bin/starexec_run_ttt2-1.17+nonreach /export/starexec/sandbox2/benchmark/theBenchmark.xml /export/starexec/sandbox2/output/output_files -------------------------------------------------------------------------------- YES Problem: a(x1) -> x1 a(b(x1)) -> c(a(x1)) c(c(x1)) -> b(c(b(a(x1)))) Proof: String Reversal Processor: a(x1) -> x1 b(a(x1)) -> a(c(x1)) c(c(x1)) -> a(b(c(b(x1)))) DP Processor: DPs: b#(a(x1)) -> c#(x1) b#(a(x1)) -> a#(c(x1)) c#(c(x1)) -> b#(x1) c#(c(x1)) -> c#(b(x1)) c#(c(x1)) -> b#(c(b(x1))) c#(c(x1)) -> a#(b(c(b(x1)))) TRS: a(x1) -> x1 b(a(x1)) -> a(c(x1)) c(c(x1)) -> a(b(c(b(x1)))) TDG Processor: DPs: b#(a(x1)) -> c#(x1) b#(a(x1)) -> a#(c(x1)) c#(c(x1)) -> b#(x1) c#(c(x1)) -> c#(b(x1)) c#(c(x1)) -> b#(c(b(x1))) c#(c(x1)) -> a#(b(c(b(x1)))) TRS: a(x1) -> x1 b(a(x1)) -> a(c(x1)) c(c(x1)) -> a(b(c(b(x1)))) graph: c#(c(x1)) -> c#(b(x1)) -> c#(c(x1)) -> a#(b(c(b(x1)))) c#(c(x1)) -> c#(b(x1)) -> c#(c(x1)) -> b#(c(b(x1))) c#(c(x1)) -> c#(b(x1)) -> c#(c(x1)) -> c#(b(x1)) c#(c(x1)) -> c#(b(x1)) -> c#(c(x1)) -> b#(x1) c#(c(x1)) -> b#(c(b(x1))) -> b#(a(x1)) -> a#(c(x1)) c#(c(x1)) -> b#(c(b(x1))) -> b#(a(x1)) -> c#(x1) c#(c(x1)) -> b#(x1) -> b#(a(x1)) -> a#(c(x1)) c#(c(x1)) -> b#(x1) -> b#(a(x1)) -> c#(x1) b#(a(x1)) -> c#(x1) -> c#(c(x1)) -> a#(b(c(b(x1)))) b#(a(x1)) -> c#(x1) -> c#(c(x1)) -> b#(c(b(x1))) b#(a(x1)) -> c#(x1) -> c#(c(x1)) -> c#(b(x1)) b#(a(x1)) -> c#(x1) -> c#(c(x1)) -> b#(x1) SCC Processor: #sccs: 1 #rules: 4 #arcs: 12/36 DPs: c#(c(x1)) -> c#(b(x1)) c#(c(x1)) -> b#(x1) b#(a(x1)) -> c#(x1) c#(c(x1)) -> b#(c(b(x1))) TRS: a(x1) -> x1 b(a(x1)) -> a(c(x1)) c(c(x1)) -> a(b(c(b(x1)))) Arctic Interpretation Processor: dimension: 3 usable rules: a(x1) -> x1 b(a(x1)) -> a(c(x1)) c(c(x1)) -> a(b(c(b(x1)))) interpretation: [c#](x0) = [0 0 0]x0 + [1], [b#](x0) = [-& -& 0 ]x0 + [0], [-& 0 -&] [0 ] [c](x0) = [0 0 1 ]x0 + [1 ] [-& 0 -&] [-&], [0 -& 1 ] [0 ] [b](x0) = [-& -& 0 ]x0 + [-&] [0 -& 0 ] [0 ], [0 1 0] [0] [a](x0) = [0 0 0]x0 + [0] [0 0 1] [1] orientation: c#(c(x1)) = [0 0 1]x1 + [1] >= [0 -& 1 ]x1 + [1] = c#(b(x1)) c#(c(x1)) = [0 0 1]x1 + [1] >= [-& -& 0 ]x1 + [0] = b#(x1) b#(a(x1)) = [0 0 1]x1 + [1] >= [0 0 0]x1 + [1] = c#(x1) c#(c(x1)) = [0 0 1]x1 + [1] >= [-& -& 0 ]x1 + [0] = b#(c(b(x1))) [0 1 0] [0] a(x1) = [0 0 0]x1 + [0] >= x1 = x1 [0 0 1] [1] [1 1 2] [2] [1 1 2] [2] b(a(x1)) = [0 0 1]x1 + [1] >= [0 0 1]x1 + [1] = a(c(x1)) [0 1 1] [1] [0 1 1] [1] [0 0 1] [1] [-& -& 1 ] [0] c(c(x1)) = [0 1 1]x1 + [1] >= [-& -& 1 ]x1 + [0] = a(b(c(b(x1)))) [0 0 1] [1] [-& -& 1 ] [1] problem: DPs: c#(c(x1)) -> c#(b(x1)) b#(a(x1)) -> c#(x1) TRS: a(x1) -> x1 b(a(x1)) -> a(c(x1)) c(c(x1)) -> a(b(c(b(x1)))) Restore Modifier: DPs: c#(c(x1)) -> c#(b(x1)) b#(a(x1)) -> c#(x1) TRS: a(x1) -> x1 b(a(x1)) -> a(c(x1)) c(c(x1)) -> a(b(c(b(x1)))) EDG Processor: DPs: c#(c(x1)) -> c#(b(x1)) b#(a(x1)) -> c#(x1) TRS: a(x1) -> x1 b(a(x1)) -> a(c(x1)) c(c(x1)) -> a(b(c(b(x1)))) graph: c#(c(x1)) -> c#(b(x1)) -> c#(c(x1)) -> c#(b(x1)) b#(a(x1)) -> c#(x1) -> c#(c(x1)) -> c#(b(x1)) SCC Processor: #sccs: 1 #rules: 1 #arcs: 2/4 DPs: c#(c(x1)) -> c#(b(x1)) TRS: a(x1) -> x1 b(a(x1)) -> a(c(x1)) c(c(x1)) -> a(b(c(b(x1)))) Arctic Interpretation Processor: dimension: 3 usable rules: a(x1) -> x1 b(a(x1)) -> a(c(x1)) c(c(x1)) -> a(b(c(b(x1)))) interpretation: [c#](x0) = [0 -& -&]x0 + [0], [0 1 0 ] [1] [c](x0) = [0 -& -&]x0 + [0] [0 -& -&] [0], [-& 0 -&] [0] [b](x0) = [-& 0 0 ]x0 + [0] [-& 1 0 ] [0], [0 0 0] [0] [a](x0) = [0 1 0]x0 + [1] [1 0 0] [1] orientation: c#(c(x1)) = [0 1 0]x1 + [1] >= [-& 0 -&]x1 + [0] = c#(b(x1)) [0 0 0] [0] a(x1) = [0 1 0]x1 + [1] >= x1 = x1 [1 0 0] [1] [0 1 0] [1] [0 1 0] [1] b(a(x1)) = [1 1 0]x1 + [1] >= [1 1 0]x1 + [1] = a(c(x1)) [1 2 1] [2] [1 2 1] [2] [1 1 0] [1] [-& 1 -&] [1] c(c(x1)) = [0 1 0]x1 + [1] >= [-& 1 -&]x1 + [1] = a(b(c(b(x1)))) [0 1 0] [1] [-& 1 -&] [1] problem: DPs: TRS: a(x1) -> x1 b(a(x1)) -> a(c(x1)) c(c(x1)) -> a(b(c(b(x1)))) Qed