current bounds on the number of colors: 0 -- 98
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:15:03 2012
Optimize a model with 2548 rows, 4852 columns and 12152 nonzeros
Presolve removed 34 rows and 1666 columns
Presolve time: 0.03s
Presolved: 2514 rows, 3186 columns, 10486 nonzeros
Variable types: 0 continuous, 3186 integer (3186 binary)
Root relaxation: objective 0.000000e+00, 105 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 (105 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 -- 49
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:15:03 2012
Optimize a model with 1298 rows, 2402 columns and 5952 nonzeros
Presolve removed 34 rows and 816 columns
Presolve time: 0.01s
Presolved: 1264 rows, 1586 columns, 5136 nonzeros
Variable types: 0 continuous, 1586 integer (1586 binary)
Root relaxation: objective 0.000000e+00, 105 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 (105 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 -- 24
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:15:03 2012
Optimize a model with 698 rows, 1226 columns and 2976 nonzeros
Presolve removed 34 rows and 408 columns
Presolve time: 0.00s
Presolved: 664 rows, 818 columns, 2568 nonzeros
Variable types: 0 continuous, 818 integer (818 binary)
Root relaxation: objective 0.000000e+00, 107 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 (107 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 -- 12
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:15:03 2012
Optimize a model with 398 rows, 638 columns and 1488 nonzeros
Presolve removed 34 rows and 204 columns
Presolve time: 0.00s
Presolved: 364 rows, 434 columns, 1284 nonzeros
Variable types: 0 continuous, 434 integer (434 binary)
Root relaxation: objective 0.000000e+00, 100 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 (100 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 -- 6
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:15:03 2012
Optimize a model with 248 rows, 344 columns and 744 nonzeros
Presolve removed 34 rows and 102 columns
Presolve time: 0.00s
Presolved: 214 rows, 242 columns, 642 nonzeros
Variable types: 0 continuous, 242 integer (242 binary)
Root relaxation: objective 0.000000e+00, 91 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 (91 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 16:15:03 2012
Optimize a model with 148 rows, 148 columns and 248 nonzeros
Presolve removed 148 rows and 148 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 16:15:03 2012
Optimize a model with 198 rows, 246 columns and 496 nonzeros
Presolve removed 108 rows and 147 columns
Presolve time: 0.00s
Presolved: 90 rows, 99 columns, 270 nonzeros
Variable types: 0 continuous, 99 integer (99 binary)
Root relaxation: objective 0.000000e+00, 39 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 (39 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%
optimal solution found: number of colors: 2