Gurobi 5.0.1 (linux64) logging started Fri Jan 18 07:07:19 2013

Optimize a model with 1014 rows, 3012 columns and 8021 nonzeros
Presolve removed 354 rows and 1037 columns
Presolve time: 0.07s
Presolved: 660 rows, 1975 columns, 3950 nonzeros
Variable types: 1317 continuous, 658 integer (658 binary)
Found heuristic solution: objective 3887.5966454

Root relaxation: objective 3.887442e+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 3887.44180    0    1 3887.59665 3887.44180  0.00%     -    0s

Explored 0 nodes (2 simplex iterations) in 0.08 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.887596645356e+03, best bound 3.887441796369e+03, gap 0.0040%