Gurobi 5.0.1 (linux64) logging started Fri Nov 16 21:42:19 2012

Optimize a model with 29039 rows, 31152 columns and 117390 nonzeros
Presolve removed 354 rows and 2 columns
Presolve time: 0.72s
Presolved: 28861 rows, 31150 columns, 147160 nonzeros
Variable types: 0 continuous, 31150 integer (31150 binary)
Found heuristic solution: objective 176.0000000

Root relaxation: objective 3.000000e+00, 19400 iterations, 2.50 seconds
Total elapsed time = 10.78s

    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 (50792 simplex iterations) in 12.09 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%