Gurobi 5.0.1 (linux64) logging started Fri Nov 16 21:02:51 2012

Optimize a model with 17489 rows, 25440 columns and 77113 nonzeros
Presolve removed 364 rows and 6998 columns
Presolve time: 0.39s
Presolved: 17125 rows, 18442 columns, 69106 nonzeros
Variable types: 0 continuous, 18442 integer (18442 binary)
Found heuristic solution: objective 159.0000000

Root relaxation: objective 3.000000e+00, 11165 iterations, 0.88 seconds
Total elapsed time = 6.42s

    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%     -    6s

Explored 0 nodes (34971 simplex iterations) in 6.80 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%