Gurobi 5.0.1 (linux64) logging started Fri Nov 16 15:39:15 2012

Optimize a model with 11303 rows, 5256 columns and 38806 nonzeros
Presolve removed 2021 rows and 218 columns
Presolve time: 0.46s
Presolved: 9282 rows, 5038 columns, 33508 nonzeros
Variable types: 0 continuous, 5038 integer (5038 binary)
Found heuristic solution: objective 72.0000000

Root relaxation: objective 3.000000e+00, 8366 iterations, 1.81 seconds
Total elapsed time = 5.71s

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

     0     0    3.00000    0 1393   72.00000    3.00000  95.8%     -    6s
H    0     0                      11.0000000    3.00000  72.7%     -    6s
H    0     0                       3.0000000    3.00000   0.0%     -    6s

Explored 0 nodes (23148 simplex iterations) in 6.56 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%