current bounds on the number of colors: 0 -- 14

Gurobi 5.0.1 (linux64) logging started Thu Dec 13 19:35:33 2012

Optimize a model with 98 rows, 110 columns and 350 nonzeros
Presolve removed 1 rows and 7 columns
Presolve time: 0.00s
Presolved: 97 rows, 103 columns, 343 nonzeros
Variable types: 0 continuous, 103 integer (103 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 -- 7

Gurobi 5.0.1 (linux64) logging started Thu Dec 13 19:35:33 2012

Optimize a model with 50 rows, 54 columns and 150 nonzeros
Presolve removed 1 rows and 3 columns
Presolve time: 0.00s
Presolved: 49 rows, 51 columns, 147 nonzeros
Variable types: 0 continuous, 51 integer (51 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 -- 3

Gurobi 5.0.1 (linux64) logging started Thu Dec 13 19:35:33 2012

Optimize a model with 26 rows, 26 columns and 50 nonzeros
Presolve removed 26 rows and 26 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 Thu Dec 13 19:35:33 2012

Optimize a model with 38 rows, 40 columns and 100 nonzeros
Presolve removed 14 rows and 15 columns
Presolve time: 0.00s
Presolved: 24 rows, 25 columns, 72 nonzeros
Variable types: 0 continuous, 25 integer (25 binary)

Root relaxation: objective 0.000000e+00, 9 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 (9 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%


optimal solution found: number of colors: 2