Gurobi 5.6.3 (linux64) logging started Tue Oct  7 20:35:06 2014

Optimize a model with 3541 rows, 3540 columns and 10502 nonzeros
Presolve time: 0.08s
Presolved: 3541 rows, 3540 columns, 10502 nonzeros
Variable types: 0 continuous, 3540 integer (3540 binary)
Found heuristic solution: objective 11.0510672

Root relaxation: objective 7.343331e+00, 712 iterations, 0.02 seconds

    Nodes    |    Current Node    |     Objective Bounds      |     Work
 Expl Unexpl |  Obj  Depth IntInf | Incumbent    BestBd   Gap | It/Node Time

*    0     0               0       7.3433314    7.34333  0.00%     -    0s

Explored 0 nodes (712 simplex iterations) in 0.10 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 7.343331418159e+00, best bound 7.343331418159e+00, gap 0.0%