Gurobi 5.0.1 (linux64) logging started Fri Nov 16 20:55:59 2012

Optimize a model with 18359 rows, 23562 columns and 77875 nonzeros
Presolve removed 336 rows and 4286 columns
Presolve time: 0.39s
Presolved: 18023 rows, 19276 columns, 72590 nonzeros
Variable types: 0 continuous, 19276 integer (19276 binary)
Found heuristic solution: objective 153.0000000

Root relaxation: objective 3.000000e+00, 12247 iterations, 1.03 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 (29324 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%