current bounds on the number of colors: 0 -- 24
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 19:35:37 2012
Optimize a model with 324 rows, 313 columns and 1188 nonzeros
Presolve removed 3 rows and 36 columns
Presolve time: 0.00s
Presolved: 321 rows, 277 columns, 1152 nonzeros
Variable types: 0 continuous, 277 integer (277 binary)
Root relaxation: objective 0.000000e+00, 38 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 (38 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 19:35:37 2012
Optimize a model with 174 rows, 169 columns and 594 nonzeros
Presolve removed 3 rows and 18 columns
Presolve time: 0.00s
Presolved: 171 rows, 151 columns, 576 nonzeros
Variable types: 0 continuous, 151 integer (151 binary)
Root relaxation: objective 0.000000e+00, 35 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 (35 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 19:35:37 2012
Optimize a model with 99 rows, 97 columns and 297 nonzeros
Presolve removed 3 rows and 9 columns
Presolve time: 0.00s
Presolved: 96 rows, 88 columns, 288 nonzeros
Variable types: 0 continuous, 88 integer (88 binary)
Root relaxation: objective 0.000000e+00, 41 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 (68 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 19:35:37 2012
Optimize a model with 49 rows, 49 columns and 99 nonzeros
Presolve removed 49 rows and 49 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 19:35:37 2012
Optimize a model with 74 rows, 73 columns and 198 nonzeros
Presolve removed 24 rows and 27 columns
Presolve time: 0.00s
Presolved: 50 rows, 46 columns, 150 nonzeros
Variable types: 0 continuous, 46 integer (46 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 21 - 0.00000 - - 0s
0 0 infeasible 0 - 0.10000 - - 0s
Explored 0 nodes (68 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