current bounds on the number of colors: 0 -- 17
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 17:55:57 2012
Optimize a model with 657 rows, 216 columns and 2056 nonzeros
Presolve time: 0.00s
Presolved: 657 rows, 216 columns, 2056 nonzeros
Variable types: 0 continuous, 216 integer (216 binary)
Root relaxation: objective 0.000000e+00, 39 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 (77 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 17:55:57 2012
Optimize a model with 337 rows, 148 columns and 1028 nonzeros
Presolve time: 0.00s
Presolved: 337 rows, 148 columns, 1028 nonzeros
Variable types: 0 continuous, 148 integer (148 binary)
Root relaxation: objective 0.000000e+00, 34 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 30 - 0.00000 - - 0s
0 0 0.00000 0 30 - 0.00000 - - 0s
0 0 infeasible 0 - 0.10000 - - 0s
Explored 0 nodes (337 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: 4 -- 8
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 17:55:57 2012
Optimize a model with 497 rows, 182 columns and 1542 nonzeros
Presolve time: 0.00s
Presolved: 497 rows, 182 columns, 1542 nonzeros
Variable types: 0 continuous, 182 integer (182 binary)
Root relaxation: objective 0.000000e+00, 36 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 (182 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: 4 -- 6
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 17:55:57 2012
Optimize a model with 417 rows, 165 columns and 1285 nonzeros
Presolve time: 0.00s
Presolved: 417 rows, 165 columns, 1285 nonzeros
Variable types: 0 continuous, 165 integer (165 binary)
Root relaxation: objective 0.000000e+00, 34 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 14 - 0.00000 - - 0s
0 0 0.00000 0 18 - 0.00000 - - 0s
0 0 infeasible 0 - 0.10000 - - 0s
Explored 0 nodes (476 simplex iterations) in 0.02 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: 6