Gurobi 5.0.1 (linux64) logging started Fri Nov 16 21:07:36 2012

Optimize a model with 21707 rows, 26406 columns and 90718 nonzeros
Presolve removed 353 rows and 4376 columns
Presolve time: 0.52s
Presolved: 21354 rows, 22030 columns, 85270 nonzeros
Variable types: 0 continuous, 22030 integer (22030 binary)
Found heuristic solution: objective 162.0000000

Root relaxation: objective 3.000000e+00, 14799 iterations, 1.57 seconds
Total elapsed time = 8.74s

    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%     -    9s

Explored 0 nodes (39267 simplex iterations) in 9.41 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%