Gurobi 5.6.3 (linux64) logging started Tue Oct  7 20:32:12 2014

Optimize a model with 2757 rows, 2756 columns and 8164 nonzeros
Presolve time: 0.05s
Presolved: 2757 rows, 2756 columns, 8164 nonzeros
Variable types: 0 continuous, 2756 integer (2756 binary)
Found heuristic solution: objective 7.9765926

Root relaxation: objective 6.113295e+00, 531 iterations, 0.01 seconds

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

*    0     0               0       6.1132953    6.11330  0.00%     -    0s

Explored 0 nodes (531 simplex iterations) in 0.07 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 6.113295261259e+00, best bound 6.113295261259e+00, gap 0.0%