/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: +(0(),y) -> y +(s(x),y) -> s(+(x,y)) -(0(),y) -> 0() -(x,0()) -> x -(s(x),s(y)) -> -(x,y) Proof: Matrix Interpretation Processor: dim=3 interpretation: [1 0 0] [1 0 1] [-](x0, x1) = [0 1 0]x0 + [0 0 0]x1 [0 1 1] [0 0 1] , [0] [s](x0) = x0 + [1] [0], [1 1 0] [1 0 1] [+](x0, x1) = [0 1 0]x0 + [0 1 0]x1 [0 0 0] [0 0 1] , [0] [0] = [1] [0] orientation: [1 0 1] [1] +(0(),y) = [0 1 0]y + [1] >= y = y [0 0 1] [0] [1 1 0] [1 0 1] [1] [1 1 0] [1 0 1] [0] +(s(x),y) = [0 1 0]x + [0 1 0]y + [1] >= [0 1 0]x + [0 1 0]y + [1] = s(+(x,y)) [0 0 0] [0 0 1] [0] [0 0 0] [0 0 1] [0] [1 0 1] [0] [0] -(0(),y) = [0 0 0]y + [1] >= [1] = 0() [0 0 1] [1] [0] [1 0 0] -(x,0()) = [0 1 0]x >= x = x [0 1 1] [1 0 0] [1 0 1] [0] [1 0 0] [1 0 1] -(s(x),s(y)) = [0 1 0]x + [0 0 0]y + [1] >= [0 1 0]x + [0 0 0]y = -(x,y) [0 1 1] [0 0 1] [1] [0 1 1] [0 0 1] problem: -(0(),y) -> 0() -(x,0()) -> x -(s(x),s(y)) -> -(x,y) Matrix Interpretation Processor: dim=1 interpretation: [-](x0, x1) = x0 + x1 + 5, [s](x0) = 2x0, [0] = 2 orientation: -(0(),y) = y + 7 >= 2 = 0() -(x,0()) = x + 7 >= x = x -(s(x),s(y)) = 2x + 2y + 5 >= x + y + 5 = -(x,y) problem: -(s(x),s(y)) -> -(x,y) Matrix Interpretation Processor: dim=3 interpretation: [1 0 0] [1 0 1] [-](x0, x1) = [0 0 0]x0 + [0 0 0]x1 [0 0 0] [0 0 0] , [1 0 0] [0] [s](x0) = [0 0 0]x0 + [0] [0 0 1] [1] orientation: [1 0 0] [1 0 1] [1] [1 0 0] [1 0 1] -(s(x),s(y)) = [0 0 0]x + [0 0 0]y + [0] >= [0 0 0]x + [0 0 0]y = -(x,y) [0 0 0] [0 0 0] [0] [0 0 0] [0 0 0] problem: Qed