Gurobi 5.0.1 (linux64) logging started Fri Jan 18 05:26:09 2013

Optimize a model with 514 rows, 1512 columns and 4021 nonzeros
Presolve removed 507 rows and 1496 columns
Presolve time: 0.05s
Presolved: 7 rows, 16 columns, 32 nonzeros
Variable types: 11 continuous, 5 integer (5 binary)
Found heuristic solution: objective 3439.5351809

Root relaxation: objective 3.439242e+03, 2 iterations, 0.00 seconds

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

     0     0 3439.24223    0    1 3439.53518 3439.24223  0.01%     -    0s

Explored 0 nodes (4 simplex iterations) in 0.05 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.439535180883e+03, best bound 3.439242227971e+03, gap 0.0085%