Gurobi 5.0.1 (linux64) logging started Fri Nov 16 21:15:57 2012

Optimize a model with 28222 rows, 28056 columns and 111888 nonzeros
Presolve removed 692 rows and 3676 columns
Presolve time: 0.66s
Presolved: 27530 rows, 24380 columns, 106214 nonzeros
Variable types: 0 continuous, 24380 integer (24380 binary)
Found heuristic solution: objective 167.0000000

Root relaxation: objective 3.000000e+00, 18361 iterations, 3.40 seconds
Total elapsed time = 10.07s

    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%     -   11s

Explored 0 nodes (53562 simplex iterations) in 11.73 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%