Gurobi 5.0.1 (linux64) logging started Fri Nov 16 15:24:55 2012

Optimize a model with 8840 rows, 4692 columns and 30940 nonzeros
Presolve removed 1158 rows and 136 columns
Presolve time: 0.15s
Presolved: 7682 rows, 4556 columns, 28016 nonzeros
Variable types: 0 continuous, 4556 integer (4556 binary)
Found heuristic solution: objective 41.0000000
Found heuristic solution: objective 3.0000000

Root relaxation: cutoff, 6439 iterations, 0.71 seconds

    Nodes    |    Current Node    |     Objective Bounds      |     Work
 Expl Unexpl |  Obj  Depth IntInf | Incumbent    BestBd   Gap | It/Node Time

     0     0     cutoff    0         3.00000    2.00000  33.3%     -    0s

Explored 0 nodes (6439 simplex iterations) in 0.88 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%