Gurobi 5.0.1 (linux64) logging started Fri Nov 16 21:42:35 2012

Optimize a model with 31151 rows, 31506 columns and 124075 nonzeros
Presolve removed 739 rows and 5135 columns
Presolve time: 0.70s
Presolved: 30412 rows, 26371 columns, 116828 nonzeros
Variable types: 0 continuous, 26371 integer (26371 binary)
Found heuristic solution: objective 177.0000000

Root relaxation: objective 3.000000e+00, 23916 iterations, 3.80 seconds
Total elapsed time = 12.97s
Total elapsed time = 15.55s

    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%     -   17s

Explored 0 nodes (64409 simplex iterations) in 17.27 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%