Gurobi 5.0.1 (linux64) logging started Fri Nov 16 21:54:25 2012

Optimize a model with 30045 rows, 32942 columns and 122173 nonzeros
Presolve removed 387 rows and 4165 columns
Presolve time: 0.70s
Presolved: 29658 rows, 28777 columns, 116777 nonzeros
Variable types: 0 continuous, 28777 integer (28777 binary)
Found heuristic solution: objective 181.0000000

Root relaxation: objective 3.000000e+00, 20830 iterations, 2.48 seconds
Total elapsed time = 16.40s

    Nodes    |    Current Node    |     Objective Bounds      |     Work
 Expl Unexpl |  Obj  Depth IntInf | Incumbent    BestBd   Gap | It/Node Time

*    0     0               0       3.0000000    3.00000   0.0%     -   18s

Explored 0 nodes (55023 simplex iterations) in 18.12 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.000000000000e+00, best bound 3.000000000000e+00, gap 0.0%