current bounds on the number of colors: 0 -- 200

Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:29:57 2012

Optimize a model with 22600 rows, 20224 columns and 87200 nonzeros
Presolve removed 21 rows and 2100 columns
Presolve time: 0.13s
Presolved: 22579 rows, 18124 columns, 85100 nonzeros
Variable types: 0 continuous, 18124 integer (18124 binary)

Root relaxation: objective 0.000000e+00, 346 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 (346 simplex iterations) in 0.16 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 -- 100

Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:29:57 2012

Optimize a model with 11400 rows, 10224 columns and 43600 nonzeros
Presolve removed 21 rows and 1050 columns
Presolve time: 0.10s
Presolved: 11379 rows, 9174 columns, 42550 nonzeros
Variable types: 0 continuous, 9174 integer (9174 binary)

Root relaxation: objective 0.000000e+00, 341 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 (341 simplex iterations) in 0.11 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 -- 50

Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:29:58 2012

Optimize a model with 5800 rows, 5224 columns and 21800 nonzeros
Presolve removed 21 rows and 525 columns
Presolve time: 0.03s
Presolved: 5779 rows, 4699 columns, 21275 nonzeros
Variable types: 0 continuous, 4699 integer (4699 binary)

Root relaxation: objective 0.000000e+00, 330 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 (330 simplex iterations) in 0.04 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 -- 25

Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:29:58 2012

Optimize a model with 2888 rows, 2624 columns and 10464 nonzeros
Presolve removed 21 rows and 252 columns
Presolve time: 0.01s
Presolved: 2867 rows, 2372 columns, 10212 nonzeros
Variable types: 0 continuous, 2372 integer (2372 binary)

Root relaxation: objective 0.000000e+00, 344 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 (536 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 -- 12

Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:29:58 2012

Optimize a model with 1544 rows, 1424 columns and 5232 nonzeros
Presolve removed 21 rows and 126 columns
Presolve time: 0.01s
Presolved: 1523 rows, 1298 columns, 5106 nonzeros
Variable types: 0 continuous, 1298 integer (1298 binary)

Root relaxation: objective 0.000000e+00, 346 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 (578 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 -- 6

Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:29:58 2012

Optimize a model with 872 rows, 824 columns and 2616 nonzeros
Presolve removed 21 rows and 63 columns
Presolve time: 0.00s
Presolved: 851 rows, 761 columns, 2553 nonzeros
Variable types: 0 continuous, 761 integer (761 binary)

Root relaxation: objective 0.000000e+00, 355 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 (493 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 16:29:58 2012

Optimize a model with 424 rows, 424 columns and 872 nonzeros
Presolve removed 424 rows and 424 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 16:29:58 2012

Optimize a model with 648 rows, 624 columns and 1744 nonzeros
Presolve removed 206 rows and 230 columns
Presolve time: 0.00s
Presolved: 442 rows, 394 columns, 1326 nonzeros
Variable types: 0 continuous, 394 integer (394 binary)

Root relaxation: objective 0.000000e+00, 199 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  169          -    0.00000     -      -    0s

Explored 0 nodes (638 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