Gurobi 5.6.3 (linux64) logging started Tue Oct  7 21:04:05 2014

Optimize a model with 8191 rows, 8190 columns and 24390 nonzeros
Presolve time: 0.15s
Presolved: 8191 rows, 8190 columns, 24390 nonzeros
Variable types: 0 continuous, 8190 integer (8190 binary)
Found heuristic solution: objective 12.5178466

Root relaxation: objective 9.570288e+00, 1078 iterations, 0.05 seconds

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

*    0     0               0       9.5702877    9.57029  0.00%     -    0s

Explored 0 nodes (1078 simplex iterations) in 0.21 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 9.570287657014e+00, best bound 9.570287657014e+00, gap 0.0%