Gurobi 5.6.3 (linux64) logging started Tue Oct  7 21:11:07 2014

Optimize a model with 8931 rows, 8930 columns and 26602 nonzeros
Presolve time: 0.15s
Presolved: 8931 rows, 8930 columns, 26602 nonzeros
Variable types: 0 continuous, 8930 integer (8930 binary)
Found heuristic solution: objective 12.5823862

Root relaxation: objective 9.744770e+00, 1209 iterations, 0.06 seconds

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

*    0     0               0       9.7447699    9.74477  0.00%     -    0s

Explored 0 nodes (1209 simplex iterations) in 0.23 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 9.744769872502e+00, best bound 9.744769872502e+00, gap 0.0%