Gurobi 5.0.1 (linux64) logging started Fri Nov 16 21:19:45 2012

Optimize a model with 24673 rows, 28730 columns and 101905 nonzeros
Presolve removed 367 rows and 4565 columns
Presolve time: 0.61s
Presolved: 24306 rows, 24165 columns, 96209 nonzeros
Variable types: 0 continuous, 24165 integer (24165 binary)
Found heuristic solution: objective 169.0000000

Root relaxation: objective 3.000000e+00, 13559 iterations, 1.53 seconds
Total elapsed time = 7.28s

    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%     -    8s

Explored 0 nodes (43883 simplex iterations) in 8.42 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%