/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(b(a(x1))) -> b(b(b(b(x1)))) a(b(b(x1))) -> b(b(a(a(x1)))) Proof: DP Processor: DPs: a#(b(b(x1))) -> a#(x1) a#(b(b(x1))) -> a#(a(x1)) TRS: a(b(a(x1))) -> b(b(b(b(x1)))) a(b(b(x1))) -> b(b(a(a(x1)))) Arctic Interpretation Processor: dimension: 2 usable rules: a(b(a(x1))) -> b(b(b(b(x1)))) a(b(b(x1))) -> b(b(a(a(x1)))) interpretation: [a#](x0) = [0 1]x0 + [0], [-& 1 ] [2 ] [b](x0) = [0 -&]x0 + [-&], [0 2 ] [3 ] [a](x0) = [-& 0 ]x0 + [-&] orientation: a#(b(b(x1))) = [1 2]x1 + [3] >= [0 1]x1 + [0] = a#(x1) a#(b(b(x1))) = [1 2]x1 + [3] >= [0 2]x1 + [3] = a#(a(x1)) [2 4] [5] [2 -&] [3] a(b(a(x1))) = [0 2]x1 + [3] >= [-& 2 ]x1 + [3] = b(b(b(b(x1)))) [1 3 ] [4] [1 3 ] [4] a(b(b(x1))) = [-& 1 ]x1 + [2] >= [-& 1 ]x1 + [2] = b(b(a(a(x1)))) problem: DPs: a#(b(b(x1))) -> a#(a(x1)) TRS: a(b(a(x1))) -> b(b(b(b(x1)))) a(b(b(x1))) -> b(b(a(a(x1)))) Restore Modifier: DPs: a#(b(b(x1))) -> a#(a(x1)) TRS: a(b(a(x1))) -> b(b(b(b(x1)))) a(b(b(x1))) -> b(b(a(a(x1)))) Arctic Interpretation Processor: dimension: 2 usable rules: a(b(a(x1))) -> b(b(b(b(x1)))) a(b(b(x1))) -> b(b(a(a(x1)))) interpretation: [a#](x0) = [2 0]x0 + [1], [-& 2 ] [0 ] [b](x0) = [0 -&]x0 + [-&], [0 -&] [-&] [a](x0) = [2 0 ]x0 + [0 ] orientation: a#(b(b(x1))) = [4 2]x1 + [2] >= [2 0]x1 + [1] = a#(a(x1)) [4 2] [2] [4 -&] [2] a(b(a(x1))) = [6 4]x1 + [4] >= [-& 4 ]x1 + [2] = b(b(b(b(x1)))) [2 -&] [0] [2 -&] [0] a(b(b(x1))) = [4 2 ]x1 + [2] >= [4 2 ]x1 + [2] = b(b(a(a(x1)))) problem: DPs: TRS: a(b(a(x1))) -> b(b(b(b(x1)))) a(b(b(x1))) -> b(b(a(a(x1)))) Qed