Gurobi 5.0.1 (linux64) logging started Mon Feb  4 16:05:12 2013

Optimize a model with 745 rows, 7612 columns and 411354 nonzeros
Presolve removed 67 rows and 296 columns
Presolve time: 1.42s
Presolved: 678 rows, 7316 columns, 393787 nonzeros
Variable types: 0 continuous, 7316 integer (7316 binary)
Found heuristic solution: objective 4420.0000000

Root relaxation: objective 3.435000e+03, 1398 iterations, 0.20 seconds

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

*    0     0               0    3435.0000000 3435.00000   0.0%     -    1s

Explored 0 nodes (1398 simplex iterations) in 1.68 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.435000000000e+03, best bound 3.435000000000e+03, gap 0.0%