Gurobi 5.0.1 (linux64) logging started Fri Nov 16 16:27:03 2012

Optimize a model with 12236 rows, 5852 columns and 42256 nonzeros
Presolve removed 1447 rows and 228 columns
Presolve time: 0.24s
Presolved: 10789 rows, 5624 columns, 38532 nonzeros
Variable types: 0 continuous, 5624 integer (5624 binary)
Found heuristic solution: objective 48.0000000

Root relaxation: objective 3.000000e+00, 8508 iterations, 1.25 seconds

    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%     -    2s

Explored 0 nodes (16376 simplex iterations) in 2.90 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%