Gurobi 5.0.1 (linux64) logging started Fri Nov 16 17:41:05 2012

Optimize a model with 3914 rows, 7656 columns and 18964 nonzeros
Presolve removed 210 rows and 2960 columns
Presolve time: 0.12s
Presolved: 3704 rows, 4696 columns, 15485 nonzeros
Variable types: 0 continuous, 4696 integer (4696 binary)
Found heuristic solution: objective 87.0000000

Root relaxation: objective 3.000000e+00, 2335 iterations, 0.04 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 (5216 simplex iterations) in 0.30 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%