current bounds on the number of colors: 0 -- 29
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 19:35:41 2012
Optimize a model with 603 rows, 447 columns and 2128 nonzeros
Presolve removed 1 rows and 14 columns
Presolve time: 0.00s
Presolved: 602 rows, 433 columns, 2114 nonzeros
Variable types: 0 continuous, 433 integer (433 binary)
Root relaxation: objective 0.000000e+00, 53 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 (83 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 -- 14
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 19:35:41 2012
Optimize a model with 316 rows, 244 columns and 1064 nonzeros
Presolve removed 1 rows and 7 columns
Presolve time: 0.00s
Presolved: 315 rows, 237 columns, 1057 nonzeros
Variable types: 0 continuous, 237 integer (237 binary)
Root relaxation: objective 0.000000e+00, 51 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 (51 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 19:35:41 2012
Optimize a model with 152 rows, 128 columns and 456 nonzeros
Presolve removed 1 rows and 3 columns
Presolve time: 0.00s
Presolved: 151 rows, 125 columns, 453 nonzeros
Variable types: 0 continuous, 125 integer (125 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 (56 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 19:35:41 2012
Optimize a model with 70 rows, 70 columns and 152 nonzeros
Presolve removed 70 rows and 70 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 19:35:41 2012
Optimize a model with 111 rows, 99 columns and 304 nonzeros
Presolve removed 29 rows and 30 columns
Presolve time: 0.00s
Presolved: 82 rows, 69 columns, 246 nonzeros
Variable types: 0 continuous, 69 integer (69 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 0.00000 0 28 - 0.00000 - - 0s
0 0 infeasible 0 - 0.10000 - - 0s
Explored 0 nodes (101 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