Gurobi 5.0.1 (linux64) logging started Mon Feb  4 16:45:51 2013

Optimize a model with 1423 rows, 35296 columns and 1713056 nonzeros
Presolve removed 39 rows and 205 columns
Presolve time: 4.43s
Presolved: 1384 rows, 35091 columns, 1703743 nonzeros
Variable types: 0 continuous, 35091 integer (35091 binary)
Found heuristic solution: objective 20038.000000

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
    8146    1.2390817e+04   8.173022e+01   0.000000e+00      5s
    8720    1.2395000e+04   0.000000e+00   0.000000e+00      6s

Root relaxation: objective 1.239500e+04, 8720 iterations, 5.98 seconds

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

*    0     0               0    12395.000000 12395.0000   0.0%     -   10s

Explored 0 nodes (8720 simplex iterations) in 10.80 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.239500000000e+04, best bound 1.239500000000e+04, gap 0.0%