Gurobi 5.6.3 (linux64) logging started Tue Oct  7 20:26:44 2014

Optimize a model with 463 rows, 462 columns and 1344 nonzeros
Presolve time: 0.00s
Presolved: 463 rows, 462 columns, 1344 nonzeros
Variable types: 0 continuous, 462 integer (462 binary)
Found heuristic solution: objective 4.6304993

Root relaxation: objective 3.837650e+00, 172 iterations, 0.00 seconds

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

*    0     0               0       3.8376500    3.83765  0.00%     -    0s

Explored 0 nodes (172 simplex iterations) in 0.01 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.837650026993e+00, best bound 3.837650026993e+00, gap 0.0%