Gurobi 5.0.1 (linux64) logging started Fri Nov 16 15:18:06 2012

Optimize a model with 4956 rows, 3540 columns and 18172 nonzeros
Presolve removed 770 rows and 177 columns
Presolve time: 0.11s
Presolved: 4186 rows, 3363 columns, 16107 nonzeros
Variable types: 0 continuous, 3363 integer (3363 binary)
Found heuristic solution: objective 32.0000000
Found heuristic solution: objective 3.0000000

Root relaxation: cutoff, 4349 iterations, 0.17 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 (4349 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%