Gurobi 5.0.1 (linux64) logging started Fri Nov 16 21:47:36 2012

Optimize a model with 30259 rows, 31862 columns and 121750 nonzeros
Presolve removed 358 rows and 2 columns
Presolve time: 0.76s
Presolved: 30079 rows, 31860 columns, 152208 nonzeros
Variable types: 0 continuous, 31860 integer (31860 binary)
Found heuristic solution: objective 178.0000000

Root relaxation: objective 3.000000e+00, 23898 iterations, 4.26 seconds
Total elapsed time = 11.77s

    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 (57145 simplex iterations) in 14.09 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%