Gurobi 5.0.1 (linux64) logging started Fri Nov 16 22:10:33 2012

Optimize a model with 33851 rows, 34782 columns and 135406 nonzeros
Presolve removed 396 rows and 4094 columns
Presolve time: 0.80s
Presolved: 33455 rows, 30688 columns, 130024 nonzeros
Variable types: 0 continuous, 30688 integer (30688 binary)
Found heuristic solution: objective 186.0000000

Root relaxation: objective 3.000000e+00, 25061 iterations, 4.58 seconds
Total elapsed time = 17.13s

    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%     -   20s

Explored 0 nodes (65406 simplex iterations) in 20.06 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%