current bounds on the number of colors: 0 -- 131 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:17:35 2012 Optimize a model with 5396 rows, 8596 columns and 24310 nonzeros Presolve removed 40 rows and 2600 columns Presolve time: 0.07s Presolved: 5356 rows, 5996 columns, 21710 nonzeros Variable types: 0 continuous, 5996 integer (5996 binary) Root relaxation: objective 0.000000e+00, 152 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 (152 simplex iterations) in 0.08 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 -- 65 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:17:35 2012 Optimize a model with 2723 rows, 4273 columns and 11968 nonzeros Presolve removed 40 rows and 1280 columns Presolve time: 0.03s Presolved: 2683 rows, 2993 columns, 10688 nonzeros Variable types: 0 continuous, 2993 integer (2993 binary) Root relaxation: objective 0.000000e+00, 154 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 (154 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 -- 32 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:17:35 2012 Optimize a model with 1427 rows, 2177 columns and 5984 nonzeros Presolve removed 40 rows and 640 columns Presolve time: 0.01s Presolved: 1387 rows, 1537 columns, 5344 nonzeros Variable types: 0 continuous, 1537 integer (1537 binary) Root relaxation: objective 0.000000e+00, 151 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 (151 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 -- 16 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:17:35 2012 Optimize a model with 779 rows, 1129 columns and 2992 nonzeros Presolve removed 40 rows and 320 columns Presolve time: 0.00s Presolved: 739 rows, 809 columns, 2672 nonzeros Variable types: 0 continuous, 809 integer (809 binary) Root relaxation: objective 0.000000e+00, 153 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 (153 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 -- 8 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:17:35 2012 Optimize a model with 455 rows, 605 columns and 1496 nonzeros Presolve removed 40 rows and 160 columns Presolve time: 0.00s Presolved: 415 rows, 445 columns, 1336 nonzeros Variable types: 0 continuous, 445 integer (445 binary) Root relaxation: objective 0.000000e+00, 130 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 (130 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 -- 4 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:17:35 2012 Optimize a model with 293 rows, 343 columns and 748 nonzeros Presolve removed 143 rows and 189 columns Presolve time: 0.00s Presolved: 150 rows, 154 columns, 450 nonzeros Variable types: 0 continuous, 154 integer (154 binary) Root relaxation: objective 0.000000e+00, 70 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 (70 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 -- 2 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:17:35 2012 Optimize a model with 212 rows, 212 columns and 374 nonzeros Presolve removed 212 rows and 212 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 - optimal solution found: number of colors: 2