Gurobi 5.0.1 (linux64) logging started Fri Nov 16 21:17:57 2012

Optimize a model with 24863 rows, 28392 columns and 102142 nonzeros
Presolve removed 530 rows and 4034 columns
Presolve time: 0.61s
Presolved: 24333 rows, 24358 columns, 96644 nonzeros
Variable types: 0 continuous, 24358 integer (24358 binary)
Found heuristic solution: objective 168.0000000

Root relaxation: objective 3.000000e+00, 19095 iterations, 2.04 seconds
Total elapsed time = 8.49s

    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%     -    9s

Explored 0 nodes (46323 simplex iterations) in 9.16 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%