current bounds on the number of colors: 0 -- 24
Gurobi 5.0.1 (linux64) logging started Fri Dec 14 18:19:21 2012
Optimize a model with 240 rows, 306 columns and 936 nonzeros
Presolve removed 6 rows and 72 columns
Presolve time: 0.00s
Presolved: 234 rows, 234 columns, 864 nonzeros
Variable types: 0 continuous, 234 integer (234 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 (46 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 -- 12
Gurobi 5.0.1 (linux64) logging started Fri Dec 14 18:19:21 2012
Optimize a model with 132 rows, 162 columns and 468 nonzeros
Presolve removed 6 rows and 36 columns
Presolve time: 0.00s
Presolved: 126 rows, 126 columns, 432 nonzeros
Variable types: 0 continuous, 126 integer (126 binary)
Root relaxation: objective 0.000000e+00, 29 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 (29 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 Fri Dec 14 18:19:21 2012
Optimize a model with 78 rows, 90 columns and 234 nonzeros
Presolve removed 6 rows and 18 columns
Presolve time: 0.00s
Presolved: 72 rows, 72 columns, 216 nonzeros
Variable types: 0 continuous, 72 integer (72 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 (54 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 -- 3
Gurobi 5.0.1 (linux64) logging started Fri Dec 14 18:19:21 2012
Optimize a model with 42 rows, 42 columns and 78 nonzeros
Presolve removed 42 rows and 42 columns
Presolve time: 0.00s
Explored 0 nodes (0 simplex iterations) in 0.00 seconds
Thread count was 1 (of 16 available processors)
Model objective exceeds cutoff
Best objective -, best bound -, gap -
current bounds on the number of colors: 1 -- 3
Gurobi 5.0.1 (linux64) logging started Fri Dec 14 18:19:21 2012
Optimize a model with 60 rows, 66 columns and 156 nonzeros
Presolve removed 26 rows and 33 columns
Presolve time: 0.00s
Presolved: 34 rows, 33 columns, 102 nonzeros
Variable types: 0 continuous, 33 integer (33 binary)
Root relaxation: objective 0.000000e+00, 16 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 12 - 0.00000 - - 0s
Explored 0 nodes (53 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 -
optimal solution found: number of colors: 3