current bounds on the number of colors: 0 -- 199 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:29:50 2012 Optimize a model with 19999 rows, 19901 columns and 79101 nonzeros Presolve removed 28 rows and 2772 columns Presolve time: 0.13s Presolved: 19971 rows, 17129 columns, 76329 nonzeros Variable types: 0 continuous, 17129 integer (17129 binary) Root relaxation: objective 0.000000e+00, 312 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time * 0 0 0 0.0000000 0.00000 0.0% - 0s Explored 0 nodes (312 simplex iterations) in 0.14 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 0.000000000000e+00, best bound 0.000000000000e+00, gap 0.0% current bounds on the number of colors: 0 -- 99 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:29:51 2012 Optimize a model with 9999 rows, 9951 columns and 39151 nonzeros Presolve removed 28 rows and 1372 columns Presolve time: 0.09s Presolved: 9971 rows, 8579 columns, 37779 nonzeros Variable types: 0 continuous, 8579 integer (8579 binary) Root relaxation: objective 0.000000e+00, 312 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time * 0 0 0 0.0000000 0.00000 0.0% - 0s Explored 0 nodes (312 simplex iterations) in 0.10 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 0.000000000000e+00, best bound 0.000000000000e+00, gap 0.0% current bounds on the number of colors: 0 -- 49 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:29:51 2012 Optimize a model with 4999 rows, 4976 columns and 19176 nonzeros Presolve removed 28 rows and 672 columns Presolve time: 0.03s Presolved: 4971 rows, 4304 columns, 18504 nonzeros Variable types: 0 continuous, 4304 integer (4304 binary) Root relaxation: objective 0.000000e+00, 314 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time * 0 0 0 0.0000000 0.00000 0.0% - 0s Explored 0 nodes (314 simplex iterations) in 0.04 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 0.000000000000e+00, best bound 0.000000000000e+00, gap 0.0% current bounds on the number of colors: 0 -- 24 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:29:51 2012 Optimize a model with 2599 rows, 2588 columns and 9588 nonzeros Presolve removed 28 rows and 336 columns Presolve time: 0.01s Presolved: 2571 rows, 2252 columns, 9252 nonzeros Variable types: 0 continuous, 2252 integer (2252 binary) Root relaxation: objective 0.000000e+00, 316 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time * 0 0 0 0.0000000 0.00000 0.0% - 0s Explored 0 nodes (467 simplex iterations) in 0.02 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 0.000000000000e+00, best bound 0.000000000000e+00, gap 0.0% current bounds on the number of colors: 0 -- 12 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:29:51 2012 Optimize a model with 1399 rows, 1394 columns and 4794 nonzeros Presolve removed 28 rows and 168 columns Presolve time: 0.00s Presolved: 1371 rows, 1226 columns, 4626 nonzeros Variable types: 0 continuous, 1226 integer (1226 binary) Root relaxation: objective 0.000000e+00, 298 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time * 0 0 0 0.0000000 0.00000 0.0% - 0s Explored 0 nodes (298 simplex iterations) in 0.01 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 0.000000000000e+00, best bound 0.000000000000e+00, gap 0.0% current bounds on the number of colors: 0 -- 6 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:29:51 2012 Optimize a model with 799 rows, 797 columns and 2397 nonzeros Presolve removed 28 rows and 84 columns Presolve time: 0.00s Presolved: 771 rows, 713 columns, 2313 nonzeros Variable types: 0 continuous, 713 integer (713 binary) Root relaxation: objective 0.000000e+00, 328 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time * 0 0 0 0.0000000 0.00000 0.0% - 0s Explored 0 nodes (328 simplex iterations) in 0.00 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 0.000000000000e+00, best bound 0.000000000000e+00, gap 0.0% current bounds on the number of colors: 0 -- 3 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:29:51 2012 Optimize a model with 399 rows, 399 columns and 799 nonzeros Presolve removed 399 rows and 399 columns Presolve time: 0.00s Explored 0 nodes (0 simplex iterations) in 0.00 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound -, gap - current bounds on the number of colors: 1 -- 3 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:29:51 2012 Optimize a model with 599 rows, 598 columns and 1598 nonzeros Presolve removed 207 rows and 239 columns Presolve time: 0.00s Presolved: 392 rows, 359 columns, 1176 nonzeros Variable types: 0 continuous, 359 integer (359 binary) Root relaxation: objective 0.000000e+00, 167 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 0.00000 0 144 - 0.00000 - - 0s Explored 0 nodes (601 simplex iterations) in 0.01 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e+00, gap - optimal solution found: number of colors: 3