current bounds on the number of colors: 0 -- 210
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:33:02 2012
Optimize a model with 24465 rows, 22281 columns and 94815 nonzeros
Presolve removed 12 rows and 1260 columns
Presolve time: 0.15s
Presolved: 24453 rows, 21021 columns, 93555 nonzeros
Variable types: 0 continuous, 21021 integer (21021 binary)
Root relaxation: objective 0.000000e+00, 360 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 (360 simplex iterations) in 0.17 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 -- 105
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:33:03 2012
Optimize a model with 12222 rows, 11151 columns and 46956 nonzeros
Presolve removed 12 rows and 624 columns
Presolve time: 0.12s
Presolved: 12210 rows, 10527 columns, 46332 nonzeros
Variable types: 0 continuous, 10527 integer (10527 binary)
Root relaxation: objective 0.000000e+00, 361 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 (361 simplex iterations) in 0.13 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 -- 52
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:33:03 2012
Optimize a model with 6216 rows, 5691 columns and 23478 nonzeros
Presolve removed 12 rows and 312 columns
Presolve time: 0.04s
Presolved: 6204 rows, 5379 columns, 23166 nonzeros
Variable types: 0 continuous, 5379 integer (5379 binary)
Root relaxation: objective 0.000000e+00, 360 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 (360 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 -- 26
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:33:03 2012
Optimize a model with 3213 rows, 2961 columns and 11739 nonzeros
Presolve removed 12 rows and 156 columns
Presolve time: 0.01s
Presolved: 3201 rows, 2805 columns, 11583 nonzeros
Variable types: 0 continuous, 2805 integer (2805 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 16:33:04 2012
Optimize a model with 1596 rows, 1491 columns and 5418 nonzeros
Presolve removed 12 rows and 72 columns
Presolve time: 0.01s
Presolved: 1584 rows, 1419 columns, 5346 nonzeros
Variable types: 0 continuous, 1419 integer (1419 binary)
Root relaxation: objective 0.000000e+00, 337 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 (337 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 16:33:04 2012
Optimize a model with 903 rows, 861 columns and 2709 nonzeros
Presolve removed 12 rows and 36 columns
Presolve time: 0.00s
Presolved: 891 rows, 825 columns, 2673 nonzeros
Variable types: 0 continuous, 825 integer (825 binary)
Root relaxation: objective 0.000000e+00, 367 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 (367 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 16:33:04 2012
Optimize a model with 441 rows, 441 columns and 903 nonzeros
Presolve removed 441 rows and 441 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 16:33:04 2012
Optimize a model with 672 rows, 651 columns and 1806 nonzeros
Presolve removed 218 rows and 234 columns
Presolve time: 0.00s
Presolved: 454 rows, 417 columns, 1362 nonzeros
Variable types: 0 continuous, 417 integer (417 binary)
Root relaxation: objective 0.000000e+00, 214 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 0 183 - 0.00000 - - 0s
0 0 infeasible 0 - 0.10000 - - 0s
Explored 0 nodes (694 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