Gurobi 5.0.1 (linux64) logging started Fri Nov 16 21:00:57 2012

Optimize a model with 21037 rows, 24806 columns and 87133 nonzeros
Presolve removed 347 rows and 4869 columns
Presolve time: 0.47s
Presolved: 20690 rows, 19937 columns, 81217 nonzeros
Variable types: 0 continuous, 19937 integer (19937 binary)
Found heuristic solution: objective 157.0000000

Root relaxation: objective 3.000000e+00, 10701 iterations, 1.04 seconds
Total elapsed time = 5.36s

    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 (30367 simplex iterations) in 5.68 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%