Gurobi 5.0.1 (linux64) logging started Fri Nov 16 18:09:51 2012

Optimize a model with 6728 rows, 13572 columns and 33292 nonzeros
Presolve removed 271 rows and 4524 columns
Presolve time: 0.14s
Presolved: 6457 rows, 9048 columns, 28188 nonzeros
Variable types: 0 continuous, 9048 integer (9048 binary)
Found heuristic solution: objective 28.0000000

Root relaxation: objective 3.000000e+00, 9956 iterations, 0.37 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 (13326 simplex iterations) in 0.67 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%