current bounds on the number of colors: 0 -- 70

Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:13:51 2012

Optimize a model with 1085 rows, 2479 columns and 5495 nonzeros
Presolve removed 26 rows and 910 columns
Presolve time: 0.01s
Presolved: 1059 rows, 1569 columns, 4585 nonzeros
Variable types: 0 continuous, 1569 integer (1569 binary)

Root relaxation: objective 0.000000e+00, 72 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 (72 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 -- 35

Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:13:51 2012

Optimize a model with 563 rows, 1219 columns and 2669 nonzeros
Presolve removed 26 rows and 442 columns
Presolve time: 0.00s
Presolved: 537 rows, 777 columns, 2227 nonzeros
Variable types: 0 continuous, 777 integer (777 binary)

Root relaxation: objective 0.000000e+00, 72 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 (72 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 -- 17

Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:13:51 2012

Optimize a model with 302 rows, 589 columns and 1256 nonzeros
Presolve removed 26 rows and 208 columns
Presolve time: 0.00s
Presolved: 276 rows, 381 columns, 1048 nonzeros
Variable types: 0 continuous, 381 integer (381 binary)

Root relaxation: objective 0.000000e+00, 71 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 (71 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 16:13:51 2012

Optimize a model with 186 rows, 309 columns and 628 nonzeros
Presolve removed 26 rows and 104 columns
Presolve time: 0.00s
Presolved: 160 rows, 205 columns, 524 nonzeros
Variable types: 0 continuous, 205 integer (205 binary)

Root relaxation: objective 0.000000e+00, 61 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 (61 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 16:13:51 2012

Optimize a model with 128 rows, 169 columns and 314 nonzeros
Presolve removed 86 rows and 120 columns
Presolve time: 0.00s
Presolved: 42 rows, 49 columns, 126 nonzeros
Variable types: 0 continuous, 49 integer (49 binary)

Root relaxation: objective 0.000000e+00, 22 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 (22 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 16:13:51 2012

Optimize a model with 99 rows, 99 columns and 157 nonzeros
Presolve removed 99 rows and 99 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