Gurobi 5.0.1 (linux64) logging started Fri Nov 16 21:36:11 2012

Optimize a model with 28013 rows, 30450 columns and 113620 nonzeros
Presolve removed 596 rows and 2 columns
Presolve time: 0.67s
Presolved: 27591 rows, 30448 columns, 142097 nonzeros
Variable types: 0 continuous, 30448 integer (30448 binary)
Found heuristic solution: objective 174.0000000

Root relaxation: objective 3.000000e+00, 18591 iterations, 1.75 seconds
Total elapsed time = 10.10s

    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%     -   11s

Explored 0 nodes (49213 simplex iterations) in 11.62 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%