current bounds on the number of colors: 0 -- 24
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 19:35:38 2012
Optimize a model with 408 rows, 320 columns and 1440 nonzeros
Presolve removed 1 rows and 12 columns
Presolve time: 0.00s
Presolved: 407 rows, 308 columns, 1428 nonzeros
Variable types: 0 continuous, 308 integer (308 binary)
Root relaxation: objective 0.000000e+00, 43 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 (43 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 Thu Dec 13 19:35:38 2012
Optimize a model with 216 rows, 176 columns and 720 nonzeros
Presolve removed 1 rows and 6 columns
Presolve time: 0.00s
Presolved: 215 rows, 170 columns, 714 nonzeros
Variable types: 0 continuous, 170 integer (170 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 0.0000000 0.00000 0.0% - 0s
Explored 0 nodes (71 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 19:35:38 2012
Optimize a model with 120 rows, 104 columns and 360 nonzeros
Presolve removed 1 rows and 3 columns
Presolve time: 0.00s
Presolved: 119 rows, 101 columns, 357 nonzeros
Variable types: 0 continuous, 101 integer (101 binary)
Root relaxation: objective 0.000000e+00, 56 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 (94 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 Thu Dec 13 19:35:38 2012
Optimize a model with 56 rows, 56 columns and 120 nonzeros
Presolve removed 56 rows and 56 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 Thu Dec 13 19:35:38 2012
Optimize a model with 88 rows, 80 columns and 240 nonzeros
Presolve removed 24 rows and 25 columns
Presolve time: 0.00s
Presolved: 64 rows, 55 columns, 192 nonzeros
Variable types: 0 continuous, 55 integer (55 binary)
Root relaxation: objective 0.000000e+00, 23 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 23 - 0.00000 - - 0s
Explored 0 nodes (61 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