Gurobi 5.0.1 (linux64) logging started Fri Nov 16 21:05:53 2012

Optimize a model with 21251 rows, 26082 columns and 89031 nonzeros
Presolve removed 350 rows and 4188 columns
Presolve time: 0.48s
Presolved: 20901 rows, 21894 columns, 83780 nonzeros
Variable types: 0 continuous, 21894 integer (21894 binary)
Found heuristic solution: objective 161.0000000

Root relaxation: objective 3.000000e+00, 15900 iterations, 1.49 seconds
Total elapsed time = 6.69s

    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%     -    7s

Explored 0 nodes (44969 simplex iterations) in 7.50 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%