Gurobi 5.0.1 (linux64) logging started Fri Nov 16 20:47:46 2012

Optimize a model with 16045 rows, 20306 columns and 67732 nonzeros
Presolve removed 286 rows and 2 columns
Presolve time: 0.30s
Presolved: 15901 rows, 20304 columns, 86964 nonzeros
Variable types: 0 continuous, 20304 integer (20304 binary)
Found heuristic solution: objective 142.0000000

Root relaxation: objective 3.000000e+00, 12130 iterations, 0.91 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%     -    6s

Explored 0 nodes (33003 simplex iterations) in 6.05 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%