current bounds on the number of colors: 0 -- 20

Gurobi 5.0.1 (linux64) logging started Thu Dec 13 19:35:35 2012

Optimize a model with 210 rows, 219 columns and 770 nonzeros
Presolve removed 2 rows and 20 columns
Presolve time: 0.00s
Presolved: 208 rows, 199 columns, 750 nonzeros
Variable types: 0 continuous, 199 integer (199 binary)

Root relaxation: objective 0.000000e+00, 30 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 (30 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 -- 10

Gurobi 5.0.1 (linux64) logging started Thu Dec 13 19:35:35 2012

Optimize a model with 115 rows, 119 columns and 385 nonzeros
Presolve removed 2 rows and 10 columns
Presolve time: 0.00s
Presolved: 113 rows, 109 columns, 375 nonzeros
Variable types: 0 continuous, 109 integer (109 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 -- 5

Gurobi 5.0.1 (linux64) logging started Thu Dec 13 19:35:35 2012

Optimize a model with 58 rows, 59 columns and 154 nonzeros
Presolve removed 20 rows and 22 columns
Presolve time: 0.00s
Presolved: 38 rows, 37 columns, 114 nonzeros
Variable types: 0 continuous, 37 integer (37 binary)

Root relaxation: objective 0.000000e+00, 12 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 (12 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 -- 2

Gurobi 5.0.1 (linux64) logging started Thu Dec 13 19:35:35 2012

Optimize a model with 39 rows, 39 columns and 77 nonzeros
Presolve removed 39 rows and 39 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 -


optimal solution found: number of colors: 2