Gurobi 5.0.1 (linux64) logging started Fri Nov 16 17:43:05 2012

Optimize a model with 5022 rows, 8742 columns and 23436 nonzeros
Presolve removed 213 rows and 2511 columns
Presolve time: 0.13s
Presolved: 4809 rows, 6231 columns, 20460 nonzeros
Variable types: 0 continuous, 6231 integer (6231 binary)
Found heuristic solution: objective 28.0000000
Found heuristic solution: objective 3.0000000

Root relaxation: cutoff, 5735 iterations, 0.14 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 (5735 simplex iterations) in 0.29 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%