current bounds on the number of colors: 0 -- 238 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:43:14 2012 Optimize a model with 35343 rows, 28617 columns and 133637 nonzeros Presolve removed 15 rows and 1785 columns Presolve time: 0.18s Presolved: 35328 rows, 26832 columns, 131852 nonzeros Variable types: 0 continuous, 26832 integer (26832 binary) Root relaxation: objective 0.000000e+00, 460 iterations, 0.02 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 (460 simplex iterations) in 0.21 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 -- 119 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:43:15 2012 Optimize a model with 17643 rows, 14337 columns and 66257 nonzeros Presolve removed 15 rows and 885 columns Presolve time: 0.12s Presolved: 17628 rows, 13452 columns, 65372 nonzeros Variable types: 0 continuous, 13452 integer (13452 binary) Root relaxation: objective 0.000000e+00, 449 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 (449 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 -- 59 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:43:15 2012 Optimize a model with 8793 rows, 7197 columns and 32567 nonzeros Presolve removed 15 rows and 435 columns Presolve time: 0.05s Presolved: 8778 rows, 6762 columns, 32132 nonzeros Variable types: 0 continuous, 6762 integer (6762 binary) Root relaxation: objective 0.000000e+00, 459 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 (459 simplex iterations) in 0.06 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 -- 29 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:43:15 2012 Optimize a model with 4368 rows, 3627 columns and 15722 nonzeros Presolve removed 15 rows and 210 columns Presolve time: 0.02s Presolved: 4353 rows, 3417 columns, 15512 nonzeros Variable types: 0 continuous, 3417 integer (3417 binary) Root relaxation: objective 0.000000e+00, 453 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 (710 simplex iterations) in 0.03 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 -- 14 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:43:15 2012 Optimize a model with 2303 rows, 1961 columns and 7861 nonzeros Presolve removed 15 rows and 105 columns Presolve time: 0.01s Presolved: 2288 rows, 1856 columns, 7756 nonzeros Variable types: 0 continuous, 1856 integer (1856 binary) Root relaxation: objective 0.000000e+00, 413 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 (413 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 -- 7 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:43:15 2012 Optimize a model with 1123 rows, 1009 columns and 3369 nonzeros Presolve removed 15 rows and 45 columns Presolve time: 0.00s Presolved: 1108 rows, 964 columns, 3324 nonzeros Variable types: 0 continuous, 964 integer (964 binary) Root relaxation: objective 0.000000e+00, 413 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 (588 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 16:43:15 2012 Optimize a model with 533 rows, 533 columns and 1123 nonzeros Presolve removed 533 rows and 533 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 16:43:15 2012 Optimize a model with 828 rows, 771 columns and 2246 nonzeros Presolve removed 240 rows and 256 columns Presolve time: 0.00s Presolved: 588 rows, 515 columns, 1764 nonzeros Variable types: 0 continuous, 515 integer (515 binary) Root relaxation: objective 0.000000e+00, 251 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 0 221 - 0.00000 - - 0s Explored 0 nodes (857 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