Gurobi 5.0.1 (linux64) logging started Fri Nov 16 15:33:02 2012

Optimize a model with 9939 rows, 5112 columns and 34575 nonzeros
Presolve removed 1352 rows and 73 columns
Presolve time: 0.38s
Presolved: 8587 rows, 5039 columns, 31067 nonzeros
Variable types: 0 continuous, 5039 integer (5039 binary)
Found heuristic solution: objective 71.0000000

Root relaxation: objective 3.000000e+00, 7408 iterations, 1.12 seconds
Total elapsed time = 5.51s

    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 (30517 simplex iterations) in 6.41 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%