current bounds on the number of colors: 0 -- 243

Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:45:18 2012

Optimize a model with 36180 rows, 29700 columns and 137214 nonzeros
Presolve removed 22 rows and 2662 columns
Presolve time: 0.18s
Presolved: 36158 rows, 27038 columns, 134552 nonzeros
Variable types: 0 continuous, 27038 integer (27038 binary)

Root relaxation: objective 0.000000e+00, 412 iterations, 0.01 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 (412 simplex iterations) in 0.21 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 -- 121

Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:45:19 2012

Optimize a model with 18063 rows, 14877 columns and 68040 nonzeros
Presolve removed 22 rows and 1320 columns
Presolve time: 0.12s
Presolved: 18041 rows, 13557 columns, 66720 nonzeros
Variable types: 0 continuous, 13557 integer (13557 binary)

Root relaxation: objective 0.000000e+00, 411 iterations, 0.01 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 (411 simplex iterations) in 0.14 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 -- 60

Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:45:19 2012

Optimize a model with 9153 rows, 7587 columns and 34020 nonzeros
Presolve removed 22 rows and 660 columns
Presolve time: 0.06s
Presolved: 9131 rows, 6927 columns, 33360 nonzeros
Variable types: 0 continuous, 6927 integer (6927 binary)

Root relaxation: objective 0.000000e+00, 413 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 (413 simplex iterations) in 0.07 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 -- 30

Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:45:19 2012

Optimize a model with 4698 rows, 3942 columns and 17010 nonzeros
Presolve removed 22 rows and 330 columns
Presolve time: 0.02s
Presolved: 4676 rows, 3612 columns, 16680 nonzeros
Variable types: 0 continuous, 3612 integer (3612 binary)

Root relaxation: objective 0.000000e+00, 425 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 (425 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 -- 15

Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:45:19 2012

Optimize a model with 2322 rows, 1998 columns and 7938 nonzeros
Presolve removed 22 rows and 154 columns
Presolve time: 0.01s
Presolved: 2300 rows, 1844 columns, 7784 nonzeros
Variable types: 0 continuous, 1844 integer (1844 binary)

Root relaxation: objective 0.000000e+00, 470 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 (691 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 -- 7

Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:45:20 2012

Optimize a model with 1134 rows, 1026 columns and 3402 nonzeros
Presolve removed 22 rows and 66 columns
Presolve time: 0.00s
Presolved: 1112 rows, 960 columns, 3336 nonzeros
Variable types: 0 continuous, 960 integer (960 binary)

Root relaxation: objective 0.000000e+00, 482 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 (696 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 -- 3

Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:45:20 2012

Optimize a model with 540 rows, 540 columns and 1134 nonzeros
Presolve removed 540 rows and 540 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 -


current bounds on the number of colors: 1 -- 3

Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:45:20 2012

Optimize a model with 837 rows, 783 columns and 2268 nonzeros
Presolve removed 245 rows and 268 columns
Presolve time: 0.00s
Presolved: 592 rows, 515 columns, 1776 nonzeros
Variable types: 0 continuous, 515 integer (515 binary)

Root relaxation: objective 0.000000e+00, 252 iterations, 0.00 seconds

    Nodes    |    Current Node    |     Objective Bounds      |     Work
 Expl Unexpl |  Obj  Depth IntInf | Incumbent    BestBd   Gap | It/Node Time

     0     0    0.00000    0  216          -    0.00000     -      -    0s

Explored 0 nodes (839 simplex iterations) in 0.01 seconds
Thread count was 1 (of 16 available processors)

Model objective exceeds cutoff
Best objective -, best bound 1.000000000000e+00, gap -


optimal solution found: number of colors: 3