Gurobi 5.0.1 (linux64) logging started Mon Feb  4 16:30:02 2013

Optimize a model with 1049 rows, 21474 columns and 873121 nonzeros
Presolve removed 8 rows and 7 columns (presolve time = 5s) ...
Presolve removed 10 rows and 10 columns
Presolve time: 7.31s
Presolved: 1039 rows, 21464 columns, 872185 nonzeros
Variable types: 0 continuous, 21464 integer (21464 binary)
Found heuristic solution: objective 11071.000000

Root relaxation: objective 7.672000e+03, 5104 iterations, 1.78 seconds

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

*    0     0               0    7672.0000000 7672.00000   0.0%     -    9s

Explored 0 nodes (5104 simplex iterations) in 9.26 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 7.672000000000e+03, best bound 7.672000000000e+03, gap 0.0%