Gurobi 5.0.1 (linux64) logging started Fri Nov 16 22:09:42 2012

Optimize a model with 33107 rows, 34782 columns and 133174 nonzeros
Presolve removed 774 rows and 5210 columns
Presolve time: 0.78s
Presolved: 32333 rows, 29572 columns, 125758 nonzeros
Variable types: 0 continuous, 29572 integer (29572 binary)
Found heuristic solution: objective 186.0000000

Root relaxation: objective 3.000000e+00, 24602 iterations, 3.83 seconds
Total elapsed time = 16.80s

    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 (67122 simplex iterations) in 18.80 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%