current bounds on the number of colors: 0 -- 79

Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:14:11 2012

Optimize a model with 1444 rows, 3116 columns and 7176 nonzeros
Presolve removed 30 rows and 1170 columns
Presolve time: 0.02s
Presolved: 1414 rows, 1946 columns, 6006 nonzeros
Variable types: 0 continuous, 1946 integer (1946 binary)

Root relaxation: objective 0.000000e+00, 80 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 (80 simplex iterations) in 0.02 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 -- 39

Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:14:11 2012

Optimize a model with 744 rows, 1536 columns and 3496 nonzeros
Presolve removed 30 rows and 570 columns
Presolve time: 0.01s
Presolved: 714 rows, 966 columns, 2926 nonzeros
Variable types: 0 continuous, 966 integer (966 binary)

Root relaxation: objective 0.000000e+00, 80 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 (80 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 -- 19

Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:14:11 2012

Optimize a model with 394 rows, 746 columns and 1656 nonzeros
Presolve removed 30 rows and 270 columns
Presolve time: 0.00s
Presolved: 364 rows, 476 columns, 1386 nonzeros
Variable types: 0 continuous, 476 integer (476 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 -- 9

Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:14:11 2012

Optimize a model with 219 rows, 351 columns and 736 nonzeros
Presolve removed 30 rows and 120 columns
Presolve time: 0.00s
Presolved: 189 rows, 231 columns, 616 nonzeros
Variable types: 0 continuous, 231 integer (231 binary)

Root relaxation: objective 0.000000e+00, 64 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 (64 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 -- 4

Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:14:11 2012

Optimize a model with 149 rows, 193 columns and 368 nonzeros
Presolve removed 91 rows and 127 columns
Presolve time: 0.00s
Presolved: 58 rows, 66 columns, 174 nonzeros
Variable types: 0 continuous, 66 integer (66 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       0.0000000    0.00000   0.0%     -    0s

Explored 0 nodes (24 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 16:14:11 2012

Optimize a model with 114 rows, 114 columns and 184 nonzeros
Presolve removed 114 rows and 114 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