/export/starexec/sandbox/solver/bin/starexec_run_ttt2-1.17+nonreach /export/starexec/sandbox/benchmark/theBenchmark.xml /export/starexec/sandbox/output/output_files -------------------------------------------------------------------------------- YES Problem: a(b(x1)) -> x1 b(c(x1)) -> a(a(x1)) c(a(x1)) -> b(b(c(c(x1)))) Proof: String Reversal Processor: b(a(x1)) -> x1 c(b(x1)) -> a(a(x1)) a(c(x1)) -> c(c(b(b(x1)))) DP Processor: DPs: c#(b(x1)) -> a#(x1) c#(b(x1)) -> a#(a(x1)) a#(c(x1)) -> b#(x1) a#(c(x1)) -> b#(b(x1)) a#(c(x1)) -> c#(b(b(x1))) a#(c(x1)) -> c#(c(b(b(x1)))) TRS: b(a(x1)) -> x1 c(b(x1)) -> a(a(x1)) a(c(x1)) -> c(c(b(b(x1)))) TDG Processor: DPs: c#(b(x1)) -> a#(x1) c#(b(x1)) -> a#(a(x1)) a#(c(x1)) -> b#(x1) a#(c(x1)) -> b#(b(x1)) a#(c(x1)) -> c#(b(b(x1))) a#(c(x1)) -> c#(c(b(b(x1)))) TRS: b(a(x1)) -> x1 c(b(x1)) -> a(a(x1)) a(c(x1)) -> c(c(b(b(x1)))) graph: a#(c(x1)) -> c#(c(b(b(x1)))) -> c#(b(x1)) -> a#(a(x1)) a#(c(x1)) -> c#(c(b(b(x1)))) -> c#(b(x1)) -> a#(x1) a#(c(x1)) -> c#(b(b(x1))) -> c#(b(x1)) -> a#(a(x1)) a#(c(x1)) -> c#(b(b(x1))) -> c#(b(x1)) -> a#(x1) c#(b(x1)) -> a#(a(x1)) -> a#(c(x1)) -> c#(c(b(b(x1)))) c#(b(x1)) -> a#(a(x1)) -> a#(c(x1)) -> c#(b(b(x1))) c#(b(x1)) -> a#(a(x1)) -> a#(c(x1)) -> b#(b(x1)) c#(b(x1)) -> a#(a(x1)) -> a#(c(x1)) -> b#(x1) c#(b(x1)) -> a#(x1) -> a#(c(x1)) -> c#(c(b(b(x1)))) c#(b(x1)) -> a#(x1) -> a#(c(x1)) -> c#(b(b(x1))) c#(b(x1)) -> a#(x1) -> a#(c(x1)) -> b#(b(x1)) c#(b(x1)) -> a#(x1) -> a#(c(x1)) -> b#(x1) EDG Processor: DPs: c#(b(x1)) -> a#(x1) c#(b(x1)) -> a#(a(x1)) a#(c(x1)) -> b#(x1) a#(c(x1)) -> b#(b(x1)) a#(c(x1)) -> c#(b(b(x1))) a#(c(x1)) -> c#(c(b(b(x1)))) TRS: b(a(x1)) -> x1 c(b(x1)) -> a(a(x1)) a(c(x1)) -> c(c(b(b(x1)))) graph: a#(c(x1)) -> c#(b(b(x1))) -> c#(b(x1)) -> a#(x1) a#(c(x1)) -> c#(b(b(x1))) -> c#(b(x1)) -> a#(a(x1)) c#(b(x1)) -> a#(a(x1)) -> a#(c(x1)) -> b#(x1) c#(b(x1)) -> a#(a(x1)) -> a#(c(x1)) -> b#(b(x1)) c#(b(x1)) -> a#(a(x1)) -> a#(c(x1)) -> c#(b(b(x1))) c#(b(x1)) -> a#(a(x1)) -> a#(c(x1)) -> c#(c(b(b(x1)))) c#(b(x1)) -> a#(x1) -> a#(c(x1)) -> b#(x1) c#(b(x1)) -> a#(x1) -> a#(c(x1)) -> b#(b(x1)) c#(b(x1)) -> a#(x1) -> a#(c(x1)) -> c#(b(b(x1))) c#(b(x1)) -> a#(x1) -> a#(c(x1)) -> c#(c(b(b(x1)))) SCC Processor: #sccs: 1 #rules: 3 #arcs: 10/36 DPs: a#(c(x1)) -> c#(b(b(x1))) c#(b(x1)) -> a#(a(x1)) c#(b(x1)) -> a#(x1) TRS: b(a(x1)) -> x1 c(b(x1)) -> a(a(x1)) a(c(x1)) -> c(c(b(b(x1)))) Arctic Interpretation Processor: dimension: 2 usable rules: b(a(x1)) -> x1 c(b(x1)) -> a(a(x1)) a(c(x1)) -> c(c(b(b(x1)))) interpretation: [a#](x0) = [0 1]x0 + [0], [c#](x0) = [1 2]x0 + [3], [1 2] [3] [c](x0) = [0 1]x0 + [2], [1 0 ] [2 ] [a](x0) = [0 -&]x0 + [-&], [-& 0 ] [0] [b](x0) = [0 -&]x0 + [0] orientation: a#(c(x1)) = [1 2]x1 + [3] >= [1 2]x1 + [3] = c#(b(b(x1))) c#(b(x1)) = [2 1]x1 + [3] >= [1 0]x1 + [2] = a#(a(x1)) c#(b(x1)) = [2 1]x1 + [3] >= [0 1]x1 + [0] = a#(x1) [0 -&] [0] b(a(x1)) = [1 0 ]x1 + [2] >= x1 = x1 [2 1] [3] [2 1] [3] c(b(x1)) = [1 0]x1 + [2] >= [1 0]x1 + [2] = a(a(x1)) [2 3] [4] [2 3] [4] a(c(x1)) = [1 2]x1 + [3] >= [1 2]x1 + [3] = c(c(b(b(x1)))) problem: DPs: a#(c(x1)) -> c#(b(b(x1))) c#(b(x1)) -> a#(x1) TRS: b(a(x1)) -> x1 c(b(x1)) -> a(a(x1)) a(c(x1)) -> c(c(b(b(x1)))) Restore Modifier: DPs: a#(c(x1)) -> c#(b(b(x1))) c#(b(x1)) -> a#(x1) TRS: b(a(x1)) -> x1 c(b(x1)) -> a(a(x1)) a(c(x1)) -> c(c(b(b(x1)))) EDG Processor: DPs: a#(c(x1)) -> c#(b(b(x1))) c#(b(x1)) -> a#(x1) TRS: b(a(x1)) -> x1 c(b(x1)) -> a(a(x1)) a(c(x1)) -> c(c(b(b(x1)))) graph: a#(c(x1)) -> c#(b(b(x1))) -> c#(b(x1)) -> a#(x1) c#(b(x1)) -> a#(x1) -> a#(c(x1)) -> c#(b(b(x1))) Usable Rule Processor: DPs: a#(c(x1)) -> c#(b(b(x1))) c#(b(x1)) -> a#(x1) TRS: b(a(x1)) -> x1 Arctic Interpretation Processor: dimension: 1 usable rules: b(a(x1)) -> x1 interpretation: [a#](x0) = 10x0, [c#](x0) = x0 + 7, [c](x0) = 11x0 + 7, [a](x0) = 10x0 + 12, [b](x0) = 10x0 + 6 orientation: a#(c(x1)) = 21x1 + 17 >= 20x1 + 16 = c#(b(b(x1))) c#(b(x1)) = 10x1 + 7 >= 10x1 = a#(x1) b(a(x1)) = 20x1 + 22 >= x1 = x1 problem: DPs: c#(b(x1)) -> a#(x1) TRS: b(a(x1)) -> x1 Restore Modifier: DPs: c#(b(x1)) -> a#(x1) TRS: b(a(x1)) -> x1 c(b(x1)) -> a(a(x1)) a(c(x1)) -> c(c(b(b(x1)))) EDG Processor: DPs: c#(b(x1)) -> a#(x1) TRS: b(a(x1)) -> x1 c(b(x1)) -> a(a(x1)) a(c(x1)) -> c(c(b(b(x1)))) graph: SCC Processor: #sccs: 0 #rules: 0 #arcs: 0/1