Gurobi 5.0.1 (linux64) logging started Fri Nov 16 21:39:26 2012

Optimize a model with 30271 rows, 31152 columns and 121086 nonzeros
Presolve removed 378 rows and 4226 columns
Presolve time: 0.79s
Presolved: 29893 rows, 26926 columns, 115642 nonzeros
Variable types: 0 continuous, 26926 integer (26926 binary)
Found heuristic solution: objective 176.0000000

Root relaxation: objective 3.000000e+00, 19564 iterations, 3.64 seconds
Total elapsed time = 10.62s

    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 (54016 simplex iterations) in 11.67 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%