Gurobi 5.0.1 (linux64) logging started Fri Nov 16 21:48:50 2012

Optimize a model with 30966 rows, 32220 columns and 124224 nonzeros
Presolve removed 385 rows and 4477 columns
Presolve time: 0.72s
Presolved: 30581 rows, 27743 columns, 118512 nonzeros
Variable types: 0 continuous, 27743 integer (27743 binary)
Found heuristic solution: objective 179.0000000

Root relaxation: objective 3.000000e+00, 28072 iterations, 4.62 seconds
Total elapsed time = 13.12s

    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 (63918 simplex iterations) in 14.39 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%