current bounds on the number of colors: 0 -- 71
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 19:38:08 2012
Optimize a model with 8576 rows, 2728 columns and 28000 nonzeros
Presolve time: 0.04s
Presolved: 8576 rows, 2728 columns, 28000 nonzeros
Variable types: 0 continuous, 2728 integer (2728 binary)
Root relaxation: objective 0.000000e+00, 201 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 (355 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 -- 35
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 19:38:08 2012
Optimize a model with 4202 rows, 1450 columns and 13600 nonzeros
Presolve time: 0.02s
Presolved: 4202 rows, 1450 columns, 13600 nonzeros
Variable types: 0 continuous, 1450 integer (1450 binary)
Root relaxation: objective 0.000000e+00, 159 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 (282 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 -- 17
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 19:38:08 2012
Optimize a model with 2015 rows, 811 columns and 6400 nonzeros
Presolve time: 0.01s
Presolved: 2015 rows, 811 columns, 6400 nonzeros
Variable types: 0 continuous, 811 integer (811 binary)
Root relaxation: objective 0.000000e+00, 157 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 (283 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 -- 8
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 19:38:08 2012
Optimize a model with 1043 rows, 527 columns and 3200 nonzeros
Presolve time: 0.00s
Presolved: 1043 rows, 527 columns, 3200 nonzeros
Variable types: 0 continuous, 527 integer (527 binary)
Root relaxation: objective 0.000000e+00, 173 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 0 128 - 0.00000 - - 0s
0 0 0.00000 0 99 - 0.00000 - - 0s
* 0 0 0 0.0000000 0.00000 0.0% - 0s
Explored 0 nodes (1826 simplex iterations) in 0.07 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 Thu Dec 13 19:38:08 2012
Optimize a model with 557 rows, 385 columns and 1600 nonzeros
Presolve removed 71 rows and 71 columns
Presolve time: 0.00s
Presolved: 486 rows, 314 columns, 1458 nonzeros
Variable types: 0 continuous, 314 integer (314 binary)
Root relaxation: objective 0.000000e+00, 78 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 71 - 0.00000 - - 0s
0 0 infeasible 0 - 0.10000 - - 0s
Explored 0 nodes (301 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 -
current bounds on the number of colors: 2 -- 4
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 19:38:08 2012
Optimize a model with 800 rows, 456 columns and 2400 nonzeros
Presolve time: 0.00s
Presolved: 800 rows, 456 columns, 2400 nonzeros
Variable types: 0 continuous, 456 integer (456 binary)
Root relaxation: objective 0.000000e+00, 159 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 0 134 - 0.00000 - - 0s
0 0 0.00000 0 138 - 0.00000 - - 0s
0 0 infeasible 0 - 0.10000 - - 0s
Explored 0 nodes (1546 simplex iterations) in 0.06 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: 4