Gurobi 5.0.1 (linux64) logging started Fri Nov 16 21:33:35 2012

Optimize a model with 27317 rows, 30450 columns and 111532 nonzeros
Presolve removed 373 rows and 4004 columns
Presolve time: 0.66s
Presolved: 26944 rows, 26446 columns, 106350 nonzeros
Variable types: 0 continuous, 26446 integer (26446 binary)
Found heuristic solution: objective 174.0000000

Root relaxation: objective 3.000000e+00, 22151 iterations, 3.22 seconds
Total elapsed time = 10.89s

    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 (57170 simplex iterations) in 12.68 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%