/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: strict: b(c(a(x1))) -> d(d(x1)) b(x1) -> c(c(x1)) a(a(x1)) -> a(x1) weak: a(b(x1)) -> d(x1) d(x1) -> a(b(x1)) Proof: String Reversal Processor: strict: a(c(b(x1))) -> d(d(x1)) b(x1) -> c(c(x1)) a(a(x1)) -> a(x1) weak: b(a(x1)) -> d(x1) d(x1) -> b(a(x1)) Matrix Interpretation Processor: dim=5 interpretation: [1 0 0 0 1] [0] [0 0 0 0 0] [0] [d](x0) = [0 0 1 0 1]x0 + [1] [0 0 0 0 0] [1] [0 0 0 0 0] [0], [1 0 0 0 0] [0] [0 0 0 0 0] [0] [b](x0) = [0 0 1 0 1]x0 + [1] [0 0 0 0 0] [1] [0 0 0 0 0] [0], [1 0 0 0 0] [0 0 1 0 0] [c](x0) = [0 0 0 0 0]x0 [0 0 0 0 0] [0 0 1 1 0] , [1 0 0 0 1] [0] [0 1 0 0 0] [0] [a](x0) = [0 0 1 0 1]x0 + [0] [0 0 0 0 0] [1] [0 0 0 0 0] [0] orientation: [1 0 1 0 1] [2] [1 0 0 0 1] [0] [0 0 1 0 1] [1] [0 0 0 0 0] [0] a(c(b(x1))) = [0 0 1 0 1]x1 + [2] >= [0 0 1 0 1]x1 + [2] = d(d(x1)) [0 0 0 0 0] [1] [0 0 0 0 0] [1] [0 0 0 0 0] [0] [0 0 0 0 0] [0] [1 0 0 0 0] [0] [1 0 0 0 0] [0 0 0 0 0] [0] [0 0 0 0 0] b(x1) = [0 0 1 0 1]x1 + [1] >= [0 0 0 0 0]x1 = c(c(x1)) [0 0 0 0 0] [1] [0 0 0 0 0] [0 0 0 0 0] [0] [0 0 0 0 0] [1 0 0 0 1] [0] [1 0 0 0 1] [0] [0 1 0 0 0] [0] [0 1 0 0 0] [0] a(a(x1)) = [0 0 1 0 1]x1 + [0] >= [0 0 1 0 1]x1 + [0] = a(x1) [0 0 0 0 0] [1] [0 0 0 0 0] [1] [0 0 0 0 0] [0] [0 0 0 0 0] [0] [1 0 0 0 1] [0] [1 0 0 0 1] [0] [0 0 0 0 0] [0] [0 0 0 0 0] [0] b(a(x1)) = [0 0 1 0 1]x1 + [1] >= [0 0 1 0 1]x1 + [1] = d(x1) [0 0 0 0 0] [1] [0 0 0 0 0] [1] [0 0 0 0 0] [0] [0 0 0 0 0] [0] [1 0 0 0 1] [0] [1 0 0 0 1] [0] [0 0 0 0 0] [0] [0 0 0 0 0] [0] d(x1) = [0 0 1 0 1]x1 + [1] >= [0 0 1 0 1]x1 + [1] = b(a(x1)) [0 0 0 0 0] [1] [0 0 0 0 0] [1] [0 0 0 0 0] [0] [0 0 0 0 0] [0] problem: strict: b(x1) -> c(c(x1)) a(a(x1)) -> a(x1) weak: b(a(x1)) -> d(x1) d(x1) -> b(a(x1)) Arctic Interpretation Processor: dimension: 2 interpretation: [5 5] [d](x0) = [6 5]x0, [5 2] [b](x0) = [4 4]x0, [1 0] [c](x0) = [2 2]x0, [0 0] [a](x0) = [2 1]x0 orientation: [5 2] [2 2] b(x1) = [4 4]x1 >= [4 4]x1 = c(c(x1)) [2 1] [0 0] a(a(x1)) = [3 2]x1 >= [2 1]x1 = a(x1) [5 5] [5 5] b(a(x1)) = [6 5]x1 >= [6 5]x1 = d(x1) [5 5] [5 5] d(x1) = [6 5]x1 >= [6 5]x1 = b(a(x1)) problem: strict: b(x1) -> c(c(x1)) weak: b(a(x1)) -> d(x1) d(x1) -> b(a(x1)) String Reversal Processor: strict: b(x1) -> c(c(x1)) weak: a(b(x1)) -> d(x1) d(x1) -> a(b(x1)) Arctic Interpretation Processor: dimension: 2 interpretation: [7 5] [d](x0) = [4 2]x0, [3 2] [b](x0) = [4 2]x0, [0 0] [c](x0) = [0 0]x0, [0 3 ] [a](x0) = [-& 0 ]x0 orientation: [3 2] [0 0] b(x1) = [4 2]x1 >= [0 0]x1 = c(c(x1)) [7 5] [7 5] a(b(x1)) = [4 2]x1 >= [4 2]x1 = d(x1) [7 5] [7 5] d(x1) = [4 2]x1 >= [4 2]x1 = a(b(x1)) problem: strict: weak: a(b(x1)) -> d(x1) d(x1) -> a(b(x1)) Qed