Gurobi 5.0.1 (linux64) logging started Mon Feb  4 16:13:11 2013

Optimize a model with 1015 rows, 14257 columns and 803192 nonzeros
Presolve removed 67 rows and 1107 columns (presolve time = 5s) ...
Presolve removed 85 rows and 1359 columns
Presolve time: 8.81s
Presolved: 930 rows, 12898 columns, 773252 nonzeros
Variable types: 0 continuous, 12898 integer (12898 binary)
Found heuristic solution: objective 7368.0000000

Root relaxation: objective 6.006000e+03, 3447 iterations, 0.98 seconds

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

*    0     0               0    6006.0000000 6006.00000   0.0%     -    9s

Explored 0 nodes (3447 simplex iterations) in 9.91 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 6.006000000000e+03, best bound 6.006000000000e+03, gap 0.0%