Gurobi 5.0.1 (linux64) logging started Fri Nov 16 21:51:26 2012

Optimize a model with 28799 rows, 32580 columns and 118078 nonzeros
Presolve removed 755 rows and 5942 columns
Presolve time: 0.74s
Presolved: 28044 rows, 26638 columns, 110026 nonzeros
Variable types: 0 continuous, 26638 integer (26638 binary)
Found heuristic solution: objective 180.0000000

Root relaxation: objective 3.000000e+00, 24926 iterations, 4.12 seconds
Total elapsed time = 11.32s

    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 (57874 simplex iterations) in 13.12 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%