Gurobi 5.0.1 (linux64) logging started Fri Nov 16 15:17:07 2012

Optimize a model with 4673 rows, 3306 columns and 17041 nonzeros
Presolve removed 458 rows and 2 columns
Presolve time: 0.12s
Presolved: 4272 rows, 3304 columns, 19059 nonzeros
Variable types: 0 continuous, 3304 integer (3304 binary)
Found heuristic solution: objective 57.0000000

Root relaxation: objective 3.000000e+00, 2805 iterations, 0.14 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 (8730 simplex iterations) in 0.74 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%