Gurobi 5.0.1 (linux64) logging started Fri Nov 16 20:47:34 2012

Optimize a model with 17181 rows, 20306 columns and 71140 nonzeros
Presolve removed 312 rows and 3694 columns
Presolve time: 0.37s
Presolved: 16869 rows, 16612 columns, 66500 nonzeros
Variable types: 0 continuous, 16612 integer (16612 binary)
Found heuristic solution: objective 142.0000000

Root relaxation: objective 3.000000e+00, 13905 iterations, 1.34 seconds
Total elapsed time = 6.48s

    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%     -    7s

Explored 0 nodes (34623 simplex iterations) in 7.06 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%