current bounds on the number of colors: 0 -- 138

Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:18:22 2012

Optimize a model with 5796 rows, 9604 columns and 26496 nonzeros
Presolve removed 38 rows and 2622 columns
Presolve time: 0.08s
Presolved: 5758 rows, 6982 columns, 23874 nonzeros
Variable types: 0 continuous, 6982 integer (6982 binary)

Root relaxation: objective 0.000000e+00, 166 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 (166 simplex iterations) in 0.09 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 -- 69

Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:18:22 2012

Optimize a model with 2926 rows, 4774 columns and 13056 nonzeros
Presolve removed 38 rows and 1292 columns
Presolve time: 0.03s
Presolved: 2888 rows, 3482 columns, 11764 nonzeros
Variable types: 0 continuous, 3482 integer (3482 binary)

Root relaxation: objective 0.000000e+00, 166 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 (166 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 -- 34

Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:18:22 2012

Optimize a model with 1532 rows, 2428 columns and 6528 nonzeros
Presolve removed 38 rows and 646 columns
Presolve time: 0.01s
Presolved: 1494 rows, 1782 columns, 5882 nonzeros
Variable types: 0 continuous, 1782 integer (1782 binary)

Root relaxation: objective 0.000000e+00, 169 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 (169 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 -- 17

Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:18:22 2012

Optimize a model with 794 rows, 1186 columns and 3072 nonzeros
Presolve removed 38 rows and 304 columns
Presolve time: 0.00s
Presolved: 756 rows, 882 columns, 2768 nonzeros
Variable types: 0 continuous, 882 integer (882 binary)

Root relaxation: objective 0.000000e+00, 158 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 (158 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 -- 8

Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:18:22 2012

Optimize a model with 466 rows, 634 columns and 1536 nonzeros
Presolve removed 38 rows and 152 columns
Presolve time: 0.00s
Presolved: 428 rows, 482 columns, 1384 nonzeros
Variable types: 0 continuous, 482 integer (482 binary)

Root relaxation: objective 0.000000e+00, 139 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 (139 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 16:18:22 2012

Optimize a model with 302 rows, 358 columns and 768 nonzeros
Presolve removed 158 rows and 206 columns
Presolve time: 0.00s
Presolved: 144 rows, 152 columns, 432 nonzeros
Variable types: 0 continuous, 152 integer (152 binary)

Root relaxation: objective 0.000000e+00, 65 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 (65 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 16:18:22 2012

Optimize a model with 220 rows, 220 columns and 384 nonzeros
Presolve removed 220 rows and 220 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