current bounds on the number of colors: 0 -- 103
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:15:20 2012
Optimize a model with 2551 rows, 5301 columns and 12597 nonzeros
Presolve removed 37 rows and 1887 columns
Presolve time: 0.03s
Presolved: 2514 rows, 3414 columns, 10710 nonzeros
Variable types: 0 continuous, 3414 integer (3414 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 0.03 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 -- 51
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:15:20 2012
Optimize a model with 1303 rows, 2623 columns and 6175 nonzeros
Presolve removed 37 rows and 925 columns
Presolve time: 0.01s
Presolved: 1266 rows, 1698 columns, 5250 nonzeros
Variable types: 0 continuous, 1698 integer (1698 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 0.01 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 -- 25
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:15:20 2012
Optimize a model with 679 rows, 1284 columns and 2964 nonzeros
Presolve removed 37 rows and 444 columns
Presolve time: 0.00s
Presolved: 642 rows, 840 columns, 2520 nonzeros
Variable types: 0 continuous, 840 integer (840 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 16:15:20 2012
Optimize a model with 391 rows, 666 columns and 1482 nonzeros
Presolve removed 37 rows and 222 columns
Presolve time: 0.00s
Presolved: 354 rows, 444 columns, 1260 nonzeros
Variable types: 0 continuous, 444 integer (444 binary)
Root relaxation: objective 0.000000e+00, 99 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 (99 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 16:15:20 2012
Optimize a model with 247 rows, 357 columns and 741 nonzeros
Presolve removed 37 rows and 111 columns
Presolve time: 0.00s
Presolved: 210 rows, 246 columns, 630 nonzeros
Variable types: 0 continuous, 246 integer (246 binary)
Root relaxation: objective 0.000000e+00, 93 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 (93 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 16:15:20 2012
Optimize a model with 151 rows, 151 columns and 247 nonzeros
Presolve removed 151 rows and 151 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 16:15:20 2012
Optimize a model with 199 rows, 254 columns and 494 nonzeros
Presolve removed 123 rows and 170 columns
Presolve time: 0.00s
Presolved: 76 rows, 84 columns, 228 nonzeros
Variable types: 0 continuous, 84 integer (84 binary)
Root relaxation: objective 0.000000e+00, 32 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 (32 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