/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 b(x1) -> a(x1) b(a(c(x1))) -> c(c(b(a(b(x1))))) Proof: String Reversal Processor: a(x1) -> x1 b(x1) -> a(x1) c(a(b(x1))) -> b(a(b(c(c(x1))))) DP Processor: DPs: b#(x1) -> a#(x1) c#(a(b(x1))) -> c#(x1) c#(a(b(x1))) -> c#(c(x1)) c#(a(b(x1))) -> b#(c(c(x1))) c#(a(b(x1))) -> a#(b(c(c(x1)))) c#(a(b(x1))) -> b#(a(b(c(c(x1))))) TRS: a(x1) -> x1 b(x1) -> a(x1) c(a(b(x1))) -> b(a(b(c(c(x1))))) TDG Processor: DPs: b#(x1) -> a#(x1) c#(a(b(x1))) -> c#(x1) c#(a(b(x1))) -> c#(c(x1)) c#(a(b(x1))) -> b#(c(c(x1))) c#(a(b(x1))) -> a#(b(c(c(x1)))) c#(a(b(x1))) -> b#(a(b(c(c(x1))))) TRS: a(x1) -> x1 b(x1) -> a(x1) c(a(b(x1))) -> b(a(b(c(c(x1))))) graph: c#(a(b(x1))) -> c#(c(x1)) -> c#(a(b(x1))) -> b#(a(b(c(c(x1))))) c#(a(b(x1))) -> c#(c(x1)) -> c#(a(b(x1))) -> a#(b(c(c(x1)))) c#(a(b(x1))) -> c#(c(x1)) -> c#(a(b(x1))) -> b#(c(c(x1))) c#(a(b(x1))) -> c#(c(x1)) -> c#(a(b(x1))) -> c#(c(x1)) c#(a(b(x1))) -> c#(c(x1)) -> c#(a(b(x1))) -> c#(x1) c#(a(b(x1))) -> c#(x1) -> c#(a(b(x1))) -> b#(a(b(c(c(x1))))) c#(a(b(x1))) -> c#(x1) -> c#(a(b(x1))) -> a#(b(c(c(x1)))) c#(a(b(x1))) -> c#(x1) -> c#(a(b(x1))) -> b#(c(c(x1))) c#(a(b(x1))) -> c#(x1) -> c#(a(b(x1))) -> c#(c(x1)) c#(a(b(x1))) -> c#(x1) -> c#(a(b(x1))) -> c#(x1) c#(a(b(x1))) -> b#(c(c(x1))) -> b#(x1) -> a#(x1) c#(a(b(x1))) -> b#(a(b(c(c(x1))))) -> b#(x1) -> a#(x1) SCC Processor: #sccs: 1 #rules: 2 #arcs: 12/36 DPs: c#(a(b(x1))) -> c#(c(x1)) c#(a(b(x1))) -> c#(x1) TRS: a(x1) -> x1 b(x1) -> a(x1) c(a(b(x1))) -> b(a(b(c(c(x1))))) Arctic Interpretation Processor: dimension: 2 usable rules: a(x1) -> x1 b(x1) -> a(x1) c(a(b(x1))) -> b(a(b(c(c(x1))))) interpretation: [c#](x0) = [1 0]x0 + [0], [0 0] [0 ] [c](x0) = [0 0]x0 + [-&], [0 0] [3] [b](x0) = [3 0]x0 + [0], [0 -&] [-&] [a](x0) = [3 0 ]x0 + [0 ] orientation: c#(a(b(x1))) = [3 3]x1 + [6] >= [1 1]x1 + [1] = c#(c(x1)) c#(a(b(x1))) = [3 3]x1 + [6] >= [1 0]x1 + [0] = c#(x1) [0 -&] [-&] a(x1) = [3 0 ]x1 + [0 ] >= x1 = x1 [0 0] [3] [0 -&] [-&] b(x1) = [3 0]x1 + [0] >= [3 0 ]x1 + [0 ] = a(x1) [3 3] [6] [3 3] [6] c(a(b(x1))) = [3 3]x1 + [6] >= [3 3]x1 + [6] = b(a(b(c(c(x1))))) problem: DPs: TRS: a(x1) -> x1 b(x1) -> a(x1) c(a(b(x1))) -> b(a(b(c(c(x1))))) Qed