current bounds on the number of colors: 0 -- 85

Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:14:24 2012

Optimize a model with 2059 rows, 3617 columns and 9492 nonzeros
Presolve removed 23 rows and 966 columns
Presolve time: 0.02s
Presolved: 2036 rows, 2651 columns, 8526 nonzeros
Variable types: 0 continuous, 2651 integer (2651 binary)

Root relaxation: objective 0.000000e+00, 99 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 (99 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 -- 42

Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:14:24 2012

Optimize a model with 1072 rows, 1832 columns and 4746 nonzeros
Presolve removed 23 rows and 483 columns
Presolve time: 0.01s
Presolved: 1049 rows, 1349 columns, 4263 nonzeros
Variable types: 0 continuous, 1349 integer (1349 binary)

Root relaxation: objective 0.000000e+00, 99 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 (99 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 -- 21

Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:14:24 2012

Optimize a model with 555 rows, 897 columns and 2260 nonzeros
Presolve removed 23 rows and 230 columns
Presolve time: 0.00s
Presolved: 532 rows, 667 columns, 2030 nonzeros
Variable types: 0 continuous, 667 integer (667 binary)

Root relaxation: objective 0.000000e+00, 101 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 (101 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 Sat Dec 15 16:14:24 2012

Optimize a model with 320 rows, 472 columns and 1130 nonzeros
Presolve removed 23 rows and 115 columns
Presolve time: 0.00s
Presolved: 297 rows, 357 columns, 1015 nonzeros
Variable types: 0 continuous, 357 integer (357 binary)

Root relaxation: objective 0.000000e+00, 94 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 (94 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 16:14:24 2012

Optimize a model with 179 rows, 217 columns and 452 nonzeros
Presolve removed 99 rows and 129 columns
Presolve time: 0.00s
Presolved: 80 rows, 88 columns, 240 nonzeros
Variable types: 0 continuous, 88 integer (88 binary)

Root relaxation: objective 0.000000e+00, 33 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 (33 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 16:14:24 2012

Optimize a model with 132 rows, 132 columns and 226 nonzeros
Presolve removed 132 rows and 132 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