current bounds on the number of colors: 0 -- 12
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 17:55:53 2012
Optimize a model with 228 rows, 108 columns and 720 nonzeros
Presolve time: 0.00s
Presolved: 228 rows, 108 columns, 720 nonzeros
Variable types: 0 continuous, 108 integer (108 binary)
Root relaxation: objective 0.000000e+00, 25 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 (57 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 -- 6
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 17:55:53 2012
Optimize a model with 120 rows, 72 columns and 360 nonzeros
Presolve time: 0.00s
Presolved: 120 rows, 72 columns, 360 nonzeros
Variable types: 0 continuous, 72 integer (72 binary)
Root relaxation: objective 0.000000e+00, 24 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 24 - 0.00000 - - 0s
0 0 infeasible 0 - 0.10000 - - 0s
Explored 0 nodes (156 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: 3 -- 6
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 17:55:53 2012
Optimize a model with 156 rows, 84 columns and 480 nonzeros
Presolve time: 0.00s
Presolved: 156 rows, 84 columns, 480 nonzeros
Variable types: 0 continuous, 84 integer (84 binary)
Root relaxation: objective 0.000000e+00, 24 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 10 - 0.00000 - - 0s
0 0 0.00000 0 14 - 0.00000 - - 0s
0 0 infeasible 0 - 0.10000 - - 0s
Explored 0 nodes (221 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 -- 6
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 17:55:53 2012
Optimize a model with 192 rows, 96 columns and 600 nonzeros
Presolve time: 0.00s
Presolved: 192 rows, 96 columns, 600 nonzeros
Variable types: 0 continuous, 96 integer (96 binary)
Root relaxation: objective 0.000000e+00, 24 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 (45 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: 5