current bounds on the number of colors: 0 -- 95

Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:14:52 2012

Optimize a model with 1975 rows, 4505 columns and 10105 nonzeros
Presolve removed 39 rows and 1833 columns
Presolve time: 0.02s
Presolved: 1936 rows, 2672 columns, 8272 nonzeros
Variable types: 0 continuous, 2672 integer (2672 binary)

Root relaxation: objective 0.000000e+00, 88 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 (88 simplex iterations) in 0.03 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 -- 47

Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:14:52 2012

Optimize a model with 1015 rows, 2225 columns and 4945 nonzeros
Presolve removed 39 rows and 897 columns
Presolve time: 0.01s
Presolved: 976 rows, 1328 columns, 4048 nonzeros
Variable types: 0 continuous, 1328 integer (1328 binary)

Root relaxation: objective 0.000000e+00, 88 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 (88 simplex iterations) in 0.01 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 -- 23

Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:14:52 2012

Optimize a model with 535 rows, 1085 columns and 2365 nonzeros
Presolve removed 39 rows and 429 columns
Presolve time: 0.00s
Presolved: 496 rows, 656 columns, 1936 nonzeros
Variable types: 0 continuous, 656 integer (656 binary)

Root relaxation: objective 0.000000e+00, 89 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 (89 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 -- 11

Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:14:52 2012

Optimize a model with 295 rows, 515 columns and 1075 nonzeros
Presolve removed 39 rows and 195 columns
Presolve time: 0.00s
Presolved: 256 rows, 320 columns, 880 nonzeros
Variable types: 0 continuous, 320 integer (320 binary)

Root relaxation: objective 0.000000e+00, 78 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 (78 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 Sat Dec 15 16:14:52 2012

Optimize a model with 175 rows, 230 columns and 430 nonzeros
Presolve removed 109 rows and 155 columns
Presolve time: 0.00s
Presolved: 66 rows, 75 columns, 198 nonzeros
Variable types: 0 continuous, 75 integer (75 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 -- 2

Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:14:52 2012

Optimize a model with 135 rows, 135 columns and 215 nonzeros
Presolve removed 135 rows and 135 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