Gurobi 5.6.3 (linux64) logging started Tue Oct  7 20:28:05 2014

Optimize a model with 1261 rows, 1260 columns and 3710 nonzeros
Presolve time: 0.02s
Presolved: 1261 rows, 1260 columns, 3710 nonzeros
Variable types: 0 continuous, 1260 integer (1260 binary)
Found heuristic solution: objective 6.8943595

Root relaxation: objective 5.213441e+00, 348 iterations, 0.01 seconds

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

*    0     0               0       5.2134411    5.21344  0.00%     -    0s

Explored 0 nodes (348 simplex iterations) in 0.02 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 5.213441081328e+00, best bound 5.213441081328e+00, gap 0.0%