current bounds on the number of colors: 0 -- 17
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 19:35:34 2012
Optimize a model with 185 rows, 157 columns and 640 nonzeros
Presolve time: 0.00s
Presolved: 185 rows, 157 columns, 640 nonzeros
Variable types: 0 continuous, 157 integer (157 binary)
Root relaxation: objective 0.000000e+00, 31 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 (31 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 -- 8
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 19:35:34 2012
Optimize a model with 101 rows, 89 columns and 320 nonzeros
Presolve time: 0.00s
Presolved: 101 rows, 89 columns, 320 nonzeros
Variable types: 0 continuous, 89 integer (89 binary)
Root relaxation: objective 0.000000e+00, 31 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 (31 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 -- 4
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 19:35:34 2012
Optimize a model with 59 rows, 55 columns and 160 nonzeros
Presolve removed 17 rows and 17 columns
Presolve time: 0.00s
Presolved: 42 rows, 38 columns, 126 nonzeros
Variable types: 0 continuous, 38 integer (38 binary)
Root relaxation: objective 0.000000e+00, 20 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 17 - 0.00000 - - 0s
Explored 0 nodes (47 simplex iterations) in 0.00 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 19:35:34 2012
Optimize a model with 80 rows, 72 columns and 240 nonzeros
Presolve time: 0.00s
Presolved: 80 rows, 72 columns, 240 nonzeros
Variable types: 0 continuous, 72 integer (72 binary)
Root relaxation: objective 0.000000e+00, 30 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 (30 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: 3