/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(x1) -> x1 a(b(x1)) -> c(a(x1)) c(c(x1)) -> c(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(c(x1))))) DP Processor: DPs: b#(a(x1)) -> c#(x1) b#(a(x1)) -> a#(c(x1)) c#(c(x1)) -> b#(c(x1)) c#(c(x1)) -> c#(b(c(x1))) c#(c(x1)) -> b#(c(b(c(x1)))) c#(c(x1)) -> a#(b(c(b(c(x1))))) TRS: a(x1) -> x1 b(a(x1)) -> a(c(x1)) c(c(x1)) -> a(b(c(b(c(x1))))) TDG Processor: DPs: b#(a(x1)) -> c#(x1) b#(a(x1)) -> a#(c(x1)) c#(c(x1)) -> b#(c(x1)) c#(c(x1)) -> c#(b(c(x1))) c#(c(x1)) -> b#(c(b(c(x1)))) c#(c(x1)) -> a#(b(c(b(c(x1))))) TRS: a(x1) -> x1 b(a(x1)) -> a(c(x1)) c(c(x1)) -> a(b(c(b(c(x1))))) graph: c#(c(x1)) -> c#(b(c(x1))) -> c#(c(x1)) -> a#(b(c(b(c(x1))))) c#(c(x1)) -> c#(b(c(x1))) -> c#(c(x1)) -> b#(c(b(c(x1)))) c#(c(x1)) -> c#(b(c(x1))) -> c#(c(x1)) -> c#(b(c(x1))) c#(c(x1)) -> c#(b(c(x1))) -> c#(c(x1)) -> b#(c(x1)) c#(c(x1)) -> b#(c(b(c(x1)))) -> b#(a(x1)) -> a#(c(x1)) c#(c(x1)) -> b#(c(b(c(x1)))) -> b#(a(x1)) -> c#(x1) c#(c(x1)) -> b#(c(x1)) -> b#(a(x1)) -> a#(c(x1)) c#(c(x1)) -> b#(c(x1)) -> b#(a(x1)) -> c#(x1) b#(a(x1)) -> c#(x1) -> c#(c(x1)) -> a#(b(c(b(c(x1))))) b#(a(x1)) -> c#(x1) -> c#(c(x1)) -> b#(c(b(c(x1)))) b#(a(x1)) -> c#(x1) -> c#(c(x1)) -> c#(b(c(x1))) b#(a(x1)) -> c#(x1) -> c#(c(x1)) -> b#(c(x1)) SCC Processor: #sccs: 1 #rules: 4 #arcs: 12/36 DPs: c#(c(x1)) -> c#(b(c(x1))) c#(c(x1)) -> b#(c(x1)) b#(a(x1)) -> c#(x1) c#(c(x1)) -> b#(c(b(c(x1)))) TRS: a(x1) -> x1 b(a(x1)) -> a(c(x1)) c(c(x1)) -> a(b(c(b(c(x1))))) Arctic Interpretation Processor: dimension: 2 usable rules: a(x1) -> x1 b(a(x1)) -> a(c(x1)) c(c(x1)) -> a(b(c(b(c(x1))))) interpretation: [c#](x0) = [1 0]x0 + [0], [b#](x0) = [1 0]x0 + [0], [1 0 ] [1] [c](x0) = [0 -&]x0 + [0], [-& 0 ] [0] [b](x0) = [0 1 ]x0 + [0], [0 1] [0] [a](x0) = [1 0]x0 + [1] orientation: c#(c(x1)) = [2 1]x1 + [2] >= [1 0]x1 + [1] = c#(b(c(x1))) c#(c(x1)) = [2 1]x1 + [2] >= [2 1]x1 + [2] = b#(c(x1)) b#(a(x1)) = [1 2]x1 + [1] >= [1 0]x1 + [0] = c#(x1) c#(c(x1)) = [2 1]x1 + [2] >= [2 1]x1 + [2] = b#(c(b(c(x1)))) [0 1] [0] a(x1) = [1 0]x1 + [1] >= x1 = x1 [1 0] [1] [1 0] [1] b(a(x1)) = [2 1]x1 + [2] >= [2 1]x1 + [2] = a(c(x1)) [2 1] [2] [2 1] [2] c(c(x1)) = [1 0]x1 + [1] >= [1 0]x1 + [1] = a(b(c(b(c(x1))))) problem: DPs: c#(c(x1)) -> b#(c(x1)) b#(a(x1)) -> c#(x1) c#(c(x1)) -> b#(c(b(c(x1)))) TRS: a(x1) -> x1 b(a(x1)) -> a(c(x1)) c(c(x1)) -> a(b(c(b(c(x1))))) Restore Modifier: DPs: c#(c(x1)) -> b#(c(x1)) b#(a(x1)) -> c#(x1) c#(c(x1)) -> b#(c(b(c(x1)))) TRS: a(x1) -> x1 b(a(x1)) -> a(c(x1)) c(c(x1)) -> a(b(c(b(c(x1))))) EDG Processor: DPs: c#(c(x1)) -> b#(c(x1)) b#(a(x1)) -> c#(x1) c#(c(x1)) -> b#(c(b(c(x1)))) TRS: a(x1) -> x1 b(a(x1)) -> a(c(x1)) c(c(x1)) -> a(b(c(b(c(x1))))) graph: c#(c(x1)) -> b#(c(b(c(x1)))) -> b#(a(x1)) -> c#(x1) c#(c(x1)) -> b#(c(x1)) -> b#(a(x1)) -> c#(x1) b#(a(x1)) -> c#(x1) -> c#(c(x1)) -> b#(c(x1)) b#(a(x1)) -> c#(x1) -> c#(c(x1)) -> b#(c(b(c(x1)))) Arctic Interpretation Processor: dimension: 2 usable rules: a(x1) -> x1 b(a(x1)) -> a(c(x1)) c(c(x1)) -> a(b(c(b(c(x1))))) interpretation: [c#](x0) = [1 0]x0 + [2], [b#](x0) = [0 0]x0 + [0], [1 0 ] [2] [c](x0) = [0 -&]x0 + [0], [-& 0 ] [1] [b](x0) = [0 1 ]x0 + [0], [0 0] [0] [a](x0) = [1 0]x0 + [2] orientation: c#(c(x1)) = [2 1]x1 + [3] >= [1 0]x1 + [2] = b#(c(x1)) b#(a(x1)) = [1 0]x1 + [2] >= [1 0]x1 + [2] = c#(x1) c#(c(x1)) = [2 1]x1 + [3] >= [1 0]x1 + [2] = b#(c(b(c(x1)))) [0 0] [0] a(x1) = [1 0]x1 + [2] >= x1 = x1 [1 0] [2] [1 0] [2] b(a(x1)) = [2 1]x1 + [3] >= [2 1]x1 + [3] = a(c(x1)) [2 1] [3] [1 0] [2] c(c(x1)) = [1 0]x1 + [2] >= [1 0]x1 + [2] = a(b(c(b(c(x1))))) problem: DPs: b#(a(x1)) -> c#(x1) TRS: a(x1) -> x1 b(a(x1)) -> a(c(x1)) c(c(x1)) -> a(b(c(b(c(x1))))) Restore Modifier: DPs: b#(a(x1)) -> c#(x1) TRS: a(x1) -> x1 b(a(x1)) -> a(c(x1)) c(c(x1)) -> a(b(c(b(c(x1))))) EDG Processor: DPs: b#(a(x1)) -> c#(x1) TRS: a(x1) -> x1 b(a(x1)) -> a(c(x1)) c(c(x1)) -> a(b(c(b(c(x1))))) graph: SCC Processor: #sccs: 0 #rules: 0 #arcs: 0/1