current bounds on the number of colors: 0 -- 26
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 19:35:39 2012
Optimize a model with 611 rows, 383 columns and 2093 nonzeros
Presolve removed 1 rows and 13 columns
Presolve time: 0.00s
Presolved: 610 rows, 370 columns, 2080 nonzeros
Variable types: 0 continuous, 370 integer (370 binary)
Root relaxation: objective 0.000000e+00, 58 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 (99 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 -- 13
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 19:35:39 2012
Optimize a model with 296 rows, 201 columns and 966 nonzeros
Presolve removed 1 rows and 6 columns
Presolve time: 0.00s
Presolved: 295 rows, 195 columns, 960 nonzeros
Variable types: 0 continuous, 195 integer (195 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 (90 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 19:35:39 2012
Optimize a model with 161 rows, 123 columns and 483 nonzeros
Presolve removed 1 rows and 3 columns
Presolve time: 0.00s
Presolved: 160 rows, 120 columns, 480 nonzeros
Variable types: 0 continuous, 120 integer (120 binary)
Root relaxation: objective 0.000000e+00, 57 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 (137 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 19:35:39 2012
Optimize a model with 71 rows, 71 columns and 161 nonzeros
Presolve removed 71 rows and 71 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 19:35:39 2012
Optimize a model with 116 rows, 97 columns and 322 nonzeros
Presolve removed 26 rows and 27 columns
Presolve time: 0.00s
Presolved: 90 rows, 70 columns, 270 nonzeros
Variable types: 0 continuous, 70 integer (70 binary)
Root relaxation: objective 0.000000e+00, 27 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 25 - 0.00000 - - 0s
Explored 0 nodes (69 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