Gurobi 5.0.1 (linux64) logging started Fri Nov 16 20:53:41 2012

Optimize a model with 18723 rows, 22952 columns and 78367 nonzeros
Presolve removed 333 rows and 4381 columns
Presolve time: 0.40s
Presolved: 18390 rows, 18571 columns, 72989 nonzeros
Variable types: 0 continuous, 18571 integer (18571 binary)
Found heuristic solution: objective 151.0000000

Root relaxation: objective 3.000000e+00, 9982 iterations, 0.95 seconds
Total elapsed time = 5.04s

    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%     -    5s

Explored 0 nodes (35370 simplex iterations) in 5.08 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%