/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) -> b(b(c(b(x1)))) c(b(b(x1))) -> a(c(x1)) c(c(x1)) -> x1 Proof: String Reversal Processor: a(x1) -> b(c(b(b(x1)))) b(b(c(x1))) -> c(a(x1)) c(c(x1)) -> x1 DP Processor: DPs: a#(x1) -> b#(x1) a#(x1) -> b#(b(x1)) a#(x1) -> c#(b(b(x1))) a#(x1) -> b#(c(b(b(x1)))) b#(b(c(x1))) -> a#(x1) b#(b(c(x1))) -> c#(a(x1)) TRS: a(x1) -> b(c(b(b(x1)))) b(b(c(x1))) -> c(a(x1)) c(c(x1)) -> x1 TDG Processor: DPs: a#(x1) -> b#(x1) a#(x1) -> b#(b(x1)) a#(x1) -> c#(b(b(x1))) a#(x1) -> b#(c(b(b(x1)))) b#(b(c(x1))) -> a#(x1) b#(b(c(x1))) -> c#(a(x1)) TRS: a(x1) -> b(c(b(b(x1)))) b(b(c(x1))) -> c(a(x1)) c(c(x1)) -> x1 graph: b#(b(c(x1))) -> a#(x1) -> a#(x1) -> b#(c(b(b(x1)))) b#(b(c(x1))) -> a#(x1) -> a#(x1) -> c#(b(b(x1))) b#(b(c(x1))) -> a#(x1) -> a#(x1) -> b#(b(x1)) b#(b(c(x1))) -> a#(x1) -> a#(x1) -> b#(x1) a#(x1) -> b#(c(b(b(x1)))) -> b#(b(c(x1))) -> c#(a(x1)) a#(x1) -> b#(c(b(b(x1)))) -> b#(b(c(x1))) -> a#(x1) a#(x1) -> b#(b(x1)) -> b#(b(c(x1))) -> c#(a(x1)) a#(x1) -> b#(b(x1)) -> b#(b(c(x1))) -> a#(x1) a#(x1) -> b#(x1) -> b#(b(c(x1))) -> c#(a(x1)) a#(x1) -> b#(x1) -> b#(b(c(x1))) -> a#(x1) SCC Processor: #sccs: 1 #rules: 4 #arcs: 10/36 DPs: b#(b(c(x1))) -> a#(x1) a#(x1) -> b#(x1) a#(x1) -> b#(b(x1)) a#(x1) -> b#(c(b(b(x1)))) TRS: a(x1) -> b(c(b(b(x1)))) b(b(c(x1))) -> c(a(x1)) c(c(x1)) -> x1 Arctic Interpretation Processor: dimension: 2 usable rules: a(x1) -> b(c(b(b(x1)))) b(b(c(x1))) -> c(a(x1)) c(c(x1)) -> x1 interpretation: [b#](x0) = [0 2]x0 + [0], [a#](x0) = [3 2]x0 + [3], [1 0 ] [2 ] [c](x0) = [0 -&]x0 + [-&], [-& 0 ] [0] [b](x0) = [0 -&]x0 + [0], [0 -&] [0] [a](x0) = [1 0 ]x0 + [2] orientation: b#(b(c(x1))) = [3 2]x1 + [4] >= [3 2]x1 + [3] = a#(x1) a#(x1) = [3 2]x1 + [3] >= [0 2]x1 + [0] = b#(x1) a#(x1) = [3 2]x1 + [3] >= [2 0]x1 + [2] = b#(b(x1)) a#(x1) = [3 2]x1 + [3] >= [2 0]x1 + [2] = b#(c(b(b(x1)))) [0 -&] [0] [0 -&] [0] a(x1) = [1 0 ]x1 + [2] >= [1 0 ]x1 + [2] = b(c(b(b(x1)))) [1 0 ] [2] [1 0 ] [2] b(b(c(x1))) = [0 -&]x1 + [0] >= [0 -&]x1 + [0] = c(a(x1)) [2 1] [3] c(c(x1)) = [1 0]x1 + [2] >= x1 = x1 problem: DPs: b#(b(c(x1))) -> a#(x1) a#(x1) -> b#(x1) TRS: a(x1) -> b(c(b(b(x1)))) b(b(c(x1))) -> c(a(x1)) c(c(x1)) -> x1 Restore Modifier: DPs: b#(b(c(x1))) -> a#(x1) a#(x1) -> b#(x1) TRS: a(x1) -> b(c(b(b(x1)))) b(b(c(x1))) -> c(a(x1)) c(c(x1)) -> x1 EDG Processor: DPs: b#(b(c(x1))) -> a#(x1) a#(x1) -> b#(x1) TRS: a(x1) -> b(c(b(b(x1)))) b(b(c(x1))) -> c(a(x1)) c(c(x1)) -> x1 graph: b#(b(c(x1))) -> a#(x1) -> a#(x1) -> b#(x1) a#(x1) -> b#(x1) -> b#(b(c(x1))) -> a#(x1) Usable Rule Processor: DPs: b#(b(c(x1))) -> a#(x1) a#(x1) -> b#(x1) TRS: Arctic Interpretation Processor: dimension: 1 usable rules: interpretation: [b#](x0) = x0, [a#](x0) = x0, [c](x0) = 1x0, [b](x0) = x0 orientation: b#(b(c(x1))) = 1x1 >= x1 = a#(x1) a#(x1) = x1 >= x1 = b#(x1) problem: DPs: a#(x1) -> b#(x1) TRS: Restore Modifier: DPs: a#(x1) -> b#(x1) TRS: a(x1) -> b(c(b(b(x1)))) b(b(c(x1))) -> c(a(x1)) c(c(x1)) -> x1 EDG Processor: DPs: a#(x1) -> b#(x1) TRS: a(x1) -> b(c(b(b(x1)))) b(b(c(x1))) -> c(a(x1)) c(c(x1)) -> x1 graph: SCC Processor: #sccs: 0 #rules: 0 #arcs: 0/1