Gurobi 5.0.1 (linux64) logging started Mon Feb  4 16:14:18 2013

Optimize a model with 1070 rows, 15911 columns and 900642 nonzeros
Presolve removed 102 rows and 171 columns
Presolve time: 2.14s
Presolved: 968 rows, 15740 columns, 882628 nonzeros
Variable types: 0 continuous, 15740 integer (15740 binary)
Found heuristic solution: objective 9764.0000000

Root relaxation: objective 6.979000e+03, 4348 iterations, 1.34 seconds

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

*    0     0               0    6979.0000000 6979.00000   0.0%     -    3s

Explored 0 nodes (4348 simplex iterations) in 3.62 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 6.979000000000e+03, best bound 6.979000000000e+03, gap 0.0%