Gurobi 5.0.1 (linux64) logging started Fri Nov 16 21:19:54 2012

Optimize a model with 28053 rows, 28730 columns and 112045 nonzeros
Presolve removed 704 rows and 4396 columns
Presolve time: 0.66s
Presolved: 27349 rows, 24334 columns, 105637 nonzeros
Variable types: 0 continuous, 24334 integer (24334 binary)
Found heuristic solution: objective 169.0000000

Root relaxation: objective 3.000000e+00, 16717 iterations, 2.65 seconds
Total elapsed time = 13.22s

    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%     -   13s

Explored 0 nodes (40167 simplex iterations) in 13.40 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%