current bounds on the number of colors: 0 -- 23
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 17:56:05 2012
Optimize a model with 1420 rows, 380 columns and 4444 nonzeros
Presolve time: 0.00s
Presolved: 1420 rows, 380 columns, 4444 nonzeros
Variable types: 0 continuous, 380 integer (380 binary)
Root relaxation: objective 0.000000e+00, 55 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 (106 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 -- 11
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 17:56:05 2012
Optimize a model with 658 rows, 242 columns and 2020 nonzeros
Presolve time: 0.00s
Presolved: 658 rows, 242 columns, 2020 nonzeros
Variable types: 0 continuous, 242 integer (242 binary)
Root relaxation: objective 0.000000e+00, 48 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 28 - 0.00000 - - 0s
0 0 0.00000 0 26 - 0.00000 - - 0s
0 0 infeasible 0 - 0.10000 - - 0s
Explored 0 nodes (611 simplex iterations) in 0.03 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: 5 -- 11
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 17:56:05 2012
Optimize a model with 1039 rows, 311 columns and 3232 nonzeros
Presolve time: 0.00s
Presolved: 1039 rows, 311 columns, 3232 nonzeros
Variable types: 0 continuous, 311 integer (311 binary)
Root relaxation: objective 0.000000e+00, 52 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 (168 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: 5 -- 8
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 17:56:06 2012
Optimize a model with 785 rows, 265 columns and 2424 nonzeros
Presolve time: 0.00s
Presolved: 785 rows, 265 columns, 2424 nonzeros
Variable types: 0 continuous, 265 integer (265 binary)
Root relaxation: objective 0.000000e+00, 47 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 24 - 0.00000 - - 0s
H 0 0 0.0000000 0.00000 0.0% - 0s
Explored 0 nodes (240 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%
optimal solution found: number of colors: 6