Gurobi 5.0.1 (linux64) logging started Fri Nov 16 21:07:08 2012

Optimize a model with 21545 rows, 26406 columns and 90232 nonzeros
Presolve removed 681 rows and 5024 columns
Presolve time: 0.51s
Presolved: 20864 rows, 21382 columns, 83332 nonzeros
Variable types: 0 continuous, 21382 integer (21382 binary)
Found heuristic solution: objective 162.0000000

Root relaxation: objective 3.000000e+00, 14365 iterations, 1.52 seconds
Total elapsed time = 6.44s

    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 (37671 simplex iterations) in 7.40 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%