current bounds on the number of colors: 0 -- 218 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:35:32 2012 Optimize a model with 26814 rows, 24006 columns and 103550 nonzeros Presolve removed 18 rows and 1962 columns Presolve time: 0.14s Presolved: 26796 rows, 22044 columns, 101588 nonzeros Variable types: 0 continuous, 22044 integer (22044 binary) Root relaxation: objective 0.000000e+00, 369 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 (369 simplex iterations) in 0.16 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 -- 109 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:35:33 2012 Optimize a model with 13394 rows, 12016 columns and 51300 nonzeros Presolve removed 18 rows and 972 columns Presolve time: 0.13s Presolved: 13376 rows, 11044 columns, 50328 nonzeros Variable types: 0 continuous, 11044 integer (11044 binary) Root relaxation: objective 0.000000e+00, 368 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 (368 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 -- 54 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:35:33 2012 Optimize a model with 6806 rows, 6130 columns and 25650 nonzeros Presolve removed 18 rows and 486 columns Presolve time: 0.04s Presolved: 6788 rows, 5644 columns, 25164 nonzeros Variable types: 0 continuous, 5644 integer (5644 binary) Root relaxation: objective 0.000000e+00, 368 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 (368 simplex iterations) in 0.05 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 -- 27 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:35:33 2012 Optimize a model with 3390 rows, 3078 columns and 12350 nonzeros Presolve removed 18 rows and 234 columns Presolve time: 0.02s Presolved: 3372 rows, 2844 columns, 12116 nonzeros Variable types: 0 continuous, 2844 integer (2844 binary) Root relaxation: objective 0.000000e+00, 369 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 (369 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 -- 13 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:35:33 2012 Optimize a model with 1682 rows, 1552 columns and 5700 nonzeros Presolve removed 18 rows and 108 columns Presolve time: 0.01s Presolved: 1664 rows, 1444 columns, 5592 nonzeros Variable types: 0 continuous, 1444 integer (1444 binary) Root relaxation: objective 0.000000e+00, 359 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 (507 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 16:35:33 2012 Optimize a model with 950 rows, 898 columns and 2850 nonzeros Presolve removed 18 rows and 54 columns Presolve time: 0.00s Presolved: 932 rows, 844 columns, 2796 nonzeros Variable types: 0 continuous, 844 integer (844 binary) Root relaxation: objective 0.000000e+00, 364 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 (364 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 16:35:33 2012 Optimize a model with 462 rows, 462 columns and 950 nonzeros Presolve removed 462 rows and 462 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 16:35:33 2012 Optimize a model with 706 rows, 680 columns and 1900 nonzeros Presolve removed 226 rows and 248 columns Presolve time: 0.00s Presolved: 480 rows, 432 columns, 1440 nonzeros Variable types: 0 continuous, 432 integer (432 binary) Root relaxation: objective 0.000000e+00, 212 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 0 178 - 0.00000 - - 0s 0 0 infeasible 0 - 0.10000 - - 0s Explored 0 nodes (701 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