Gurobi 5.0.1 (linux64) logging started Fri Nov 16 21:55:23 2012

Optimize a model with 32217 rows, 32942 columns and 128689 nonzeros
Presolve removed 388 rows and 4346 columns
Presolve time: 0.78s
Presolved: 31829 rows, 28596 columns, 123088 nonzeros
Variable types: 0 continuous, 28596 integer (28596 binary)
Found heuristic solution: objective 181.0000000

Root relaxation: objective 3.000000e+00, 20656 iterations, 2.56 seconds
Total elapsed time = 10.63s

    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%     -   12s

Explored 0 nodes (58339 simplex iterations) in 12.85 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%