Gurobi 5.0.1 (linux64) logging started Fri Nov 16 15:42:36 2012

Optimize a model with 8351 rows, 5256 columns and 29950 nonzeros
Presolve removed 870 rows and 290 columns
Presolve time: 0.31s
Presolved: 7481 rows, 4966 columns, 27294 nonzeros
Variable types: 0 continuous, 4966 integer (4966 binary)
Found heuristic solution: objective 72.0000000

Root relaxation: objective 3.000000e+00, 5676 iterations, 0.57 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%     -    3s

Explored 0 nodes (23891 simplex iterations) in 3.71 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%