current bounds on the number of colors: 0 -- 204 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:31:15 2012 Optimize a model with 21930 rows, 21021 columns and 85986 nonzeros Presolve removed 30 rows and 3060 columns Presolve time: 0.13s Presolved: 21900 rows, 17961 columns, 82926 nonzeros Variable types: 0 continuous, 17961 integer (17961 binary) Root relaxation: objective 0.000000e+00, 323 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 (323 simplex iterations) in 0.15 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 -- 102 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:31:16 2012 Optimize a model with 11067 rows, 10617 columns and 42993 nonzeros Presolve removed 30 rows and 1530 columns Presolve time: 0.10s Presolved: 11037 rows, 9087 columns, 41463 nonzeros Variable types: 0 continuous, 9087 integer (9087 binary) Root relaxation: objective 0.000000e+00, 323 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 (323 simplex iterations) in 0.11 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 -- 51 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:31:16 2012 Optimize a model with 5529 rows, 5313 columns and 21075 nonzeros Presolve removed 30 rows and 750 columns Presolve time: 0.03s Presolved: 5499 rows, 4563 columns, 20325 nonzeros Variable types: 0 continuous, 4563 integer (4563 binary) Root relaxation: objective 0.000000e+00, 318 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 (318 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 -- 25 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:31:16 2012 Optimize a model with 2760 rows, 2661 columns and 10116 nonzeros Presolve removed 30 rows and 360 columns Presolve time: 0.01s Presolved: 2730 rows, 2301 columns, 9756 nonzeros Variable types: 0 continuous, 2301 integer (2301 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 0.02 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 16:31:16 2012 Optimize a model with 1482 rows, 1437 columns and 5058 nonzeros Presolve removed 30 rows and 180 columns Presolve time: 0.01s Presolved: 1452 rows, 1257 columns, 4878 nonzeros Variable types: 0 continuous, 1257 integer (1257 binary) Root relaxation: objective 0.000000e+00, 317 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 (462 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 16:31:16 2012 Optimize a model with 843 rows, 825 columns and 2529 nonzeros Presolve removed 30 rows and 90 columns Presolve time: 0.00s Presolved: 813 rows, 735 columns, 2439 nonzeros Variable types: 0 continuous, 735 integer (735 binary) Root relaxation: objective 0.000000e+00, 333 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 (476 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 -- 3 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:31:16 2012 Optimize a model with 417 rows, 417 columns and 843 nonzeros Presolve removed 417 rows and 417 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 16:31:16 2012 Optimize a model with 630 rows, 621 columns and 1686 nonzeros Presolve removed 210 rows and 243 columns Presolve time: 0.00s Presolved: 420 rows, 378 columns, 1260 nonzeros Variable types: 0 continuous, 378 integer (378 binary) Root relaxation: objective 0.000000e+00, 189 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 0 162 - 0.00000 - - 0s 0 0 infeasible 0 - 0.10000 - - 0s Explored 0 nodes (590 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