Gurobi 5.0.1 (linux64) logging started Fri Nov 16 15:21:18 2012

Optimize a model with 7423 rows, 4160 columns and 26110 nonzeros
Presolve removed 1157 rows and 194 columns
Presolve time: 0.27s
Presolved: 6266 rows, 3966 columns, 22970 nonzeros
Variable types: 0 continuous, 3966 integer (3966 binary)
Found heuristic solution: objective 64.0000000

Root relaxation: objective 3.000000e+00, 4873 iterations, 0.53 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 (17072 simplex iterations) in 2.51 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%