Gurobi 5.0.1 (linux64) logging started Fri Nov 16 15:16:45 2012

Optimize a model with 3919 rows, 3192 columns and 14670 nonzeros
Presolve removed 8 rows and 338 columns
Presolve time: 0.08s
Presolved: 3911 rows, 2854 columns, 14194 nonzeros
Variable types: 0 continuous, 2854 integer (2854 binary)
Found heuristic solution: objective 56.0000000
Found heuristic solution: objective 3.0000000

Root relaxation: objective 2.000000e+00, 114 iterations, 0.00 seconds

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

     0     0    2.00000    0  100    3.00000    2.00000  33.3%     -    0s

Explored 0 nodes (216 simplex iterations) in 0.10 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%