Gurobi 5.0.1 (linux64) logging started Fri Nov 16 21:40:32 2012

Optimize a model with 29039 rows, 31152 columns and 117390 nonzeros
Presolve removed 382 rows and 4930 columns
Presolve time: 0.71s
Presolved: 28657 rows, 26222 columns, 111256 nonzeros
Variable types: 0 continuous, 26222 integer (26222 binary)
Found heuristic solution: objective 176.0000000

Root relaxation: objective 3.000000e+00, 22209 iterations, 2.66 seconds
Total elapsed time = 12.27s

    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%     -   14s

Explored 0 nodes (56780 simplex iterations) in 14.72 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%