current bounds on the number of colors: 0 -- 222

Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:37:11 2012

Optimize a model with 30192 rows, 24912 columns and 114552 nonzeros
Presolve removed 14 rows and 1554 columns
Presolve time: 0.15s
Presolved: 30178 rows, 23358 columns, 112998 nonzeros
Variable types: 0 continuous, 23358 integer (23358 binary)

Root relaxation: objective 0.000000e+00, 380 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 (380 simplex iterations) in 0.18 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 -- 111

Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:37:12 2012

Optimize a model with 15072 rows, 12480 columns and 56760 nonzeros
Presolve removed 14 rows and 770 columns
Presolve time: 0.13s
Presolved: 15058 rows, 11710 columns, 55990 nonzeros
Variable types: 0 continuous, 11710 integer (11710 binary)

Root relaxation: objective 0.000000e+00, 379 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 (379 simplex iterations) in 0.15 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 -- 55

Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:37:12 2012

Optimize a model with 7512 rows, 6264 columns and 27864 nonzeros
Presolve removed 14 rows and 378 columns
Presolve time: 0.05s
Presolved: 7498 rows, 5886 columns, 27486 nonzeros
Variable types: 0 continuous, 5886 integer (5886 binary)

Root relaxation: objective 0.000000e+00, 369 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 (369 simplex iterations) in 0.05 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 -- 27

Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:37:12 2012

Optimize a model with 3732 rows, 3156 columns and 13416 nonzeros
Presolve removed 14 rows and 182 columns
Presolve time: 0.02s
Presolved: 3718 rows, 2974 columns, 13234 nonzeros
Variable types: 0 continuous, 2974 integer (2974 binary)

Root relaxation: objective 0.000000e+00, 383 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 (383 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 -- 13

Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:37:12 2012

Optimize a model with 1842 rows, 1602 columns and 6192 nonzeros
Presolve removed 14 rows and 84 columns
Presolve time: 0.01s
Presolved: 1828 rows, 1518 columns, 6108 nonzeros
Variable types: 0 continuous, 1518 integer (1518 binary)

Root relaxation: objective 0.000000e+00, 373 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 (373 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 16:37:12 2012

Optimize a model with 1032 rows, 936 columns and 3096 nonzeros
Presolve removed 14 rows and 42 columns
Presolve time: 0.00s
Presolved: 1018 rows, 894 columns, 3054 nonzeros
Variable types: 0 continuous, 894 integer (894 binary)

Root relaxation: objective 0.000000e+00, 429 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 (587 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 16:37:12 2012

Optimize a model with 492 rows, 492 columns and 1032 nonzeros
Presolve removed 492 rows and 492 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 16:37:12 2012

Optimize a model with 762 rows, 714 columns and 2064 nonzeros
Presolve removed 224 rows and 239 columns
Presolve time: 0.00s
Presolved: 538 rows, 475 columns, 1614 nonzeros
Variable types: 0 continuous, 475 integer (475 binary)

Root relaxation: objective 0.000000e+00, 241 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  206          -    0.00000     -      -    0s

Explored 0 nodes (789 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