Gurobi 5.0.1 (linux64) logging started Fri Nov 16 15:11:38 2012

Optimize a model with 1639 rows, 1640 columns and 6358 nonzeros
Presolve removed 246 rows and 162 columns
Presolve time: 0.08s
Presolved: 1393 rows, 1478 columns, 5528 nonzeros
Variable types: 0 continuous, 1478 integer (1478 binary)
Found heuristic solution: objective 40.0000000

Root relaxation: objective 3.000000e+00, 878 iterations, 0.02 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 (878 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%