current bounds on the number of colors: 0 -- 15
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 19:35:33 2012
Optimize a model with 113 rows, 119 columns and 399 nonzeros
Presolve removed 2 rows and 14 columns
Presolve time: 0.00s
Presolved: 111 rows, 105 columns, 385 nonzeros
Variable types: 0 continuous, 105 integer (105 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 0.0000000 0.00000 0.0% - 0s
Explored 0 nodes (41 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 -- 7
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 19:35:33 2012
Optimize a model with 57 rows, 59 columns and 171 nonzeros
Presolve removed 2 rows and 6 columns
Presolve time: 0.00s
Presolved: 55 rows, 53 columns, 165 nonzeros
Variable types: 0 continuous, 53 integer (53 binary)
Root relaxation: objective 0.000000e+00, 22 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 (22 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 19:35:33 2012
Optimize a model with 29 rows, 29 columns and 57 nonzeros
Presolve removed 29 rows and 29 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 19:35:33 2012
Optimize a model with 43 rows, 44 columns and 114 nonzeros
Presolve removed 15 rows and 17 columns
Presolve time: 0.00s
Presolved: 28 rows, 27 columns, 84 nonzeros
Variable types: 0 continuous, 27 integer (27 binary)
Root relaxation: objective 0.000000e+00, 15 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 13 - 0.00000 - - 0s
Explored 0 nodes (43 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