Gurobi 5.0.1 (linux64) logging started Fri Nov 16 15:17:39 2012

Optimize a model with 4756 rows, 3422 columns and 17458 nonzeros
Presolve removed 234 rows and 116 columns
Presolve time: 0.11s
Presolved: 4522 rows, 3306 columns, 16762 nonzeros
Variable types: 0 continuous, 3306 integer (3306 binary)
Found heuristic solution: objective 30.0000000

Root relaxation: objective 3.000000e+00, 3643 iterations, 0.19 seconds

    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%     -    0s

Explored 0 nodes (5714 simplex iterations) in 0.43 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%