current bounds on the number of colors: 0 -- 93

Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:14:46 2012

Optimize a model with 2117 rows, 4322 columns and 10350 nonzeros
Presolve removed 35 rows and 1610 columns
Presolve time: 0.02s
Presolved: 2082 rows, 2712 columns, 8740 nonzeros
Variable types: 0 continuous, 2712 integer (2712 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 0.03 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 -- 46

Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:14:46 2012

Optimize a model with 1105 rows, 2183 columns and 5175 nonzeros
Presolve removed 35 rows and 805 columns
Presolve time: 0.01s
Presolved: 1070 rows, 1378 columns, 4370 nonzeros
Variable types: 0 continuous, 1378 integer (1378 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 0.01 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 -- 23

Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:14:46 2012

Optimize a model with 577 rows, 1067 columns and 2475 nonzeros
Presolve removed 35 rows and 385 columns
Presolve time: 0.00s
Presolved: 542 rows, 682 columns, 2090 nonzeros
Variable types: 0 continuous, 682 integer (682 binary)

Root relaxation: objective 0.000000e+00, 90 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 (90 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 -- 11

Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:14:46 2012

Optimize a model with 313 rows, 509 columns and 1125 nonzeros
Presolve removed 35 rows and 175 columns
Presolve time: 0.00s
Presolved: 278 rows, 334 columns, 950 nonzeros
Variable types: 0 continuous, 334 integer (334 binary)

Root relaxation: objective 0.000000e+00, 84 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 (84 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 16:14:46 2012

Optimize a model with 181 rows, 230 columns and 450 nonzeros
Presolve removed 105 rows and 146 columns
Presolve time: 0.00s
Presolved: 76 rows, 84 columns, 228 nonzeros
Variable types: 0 continuous, 84 integer (84 binary)

Root relaxation: objective 0.000000e+00, 34 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 (34 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 16:14:46 2012

Optimize a model with 137 rows, 137 columns and 225 nonzeros
Presolve removed 137 rows and 137 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