Gurobi 5.0.1 (linux64) logging started Mon Feb  4 18:05:54 2013

Optimize a model with 1726 rows, 57779 columns and 2590265 nonzeros
Presolve removed 9 rows and 0 columns
Presolve time: 3.21s
Presolved: 1717 rows, 57779 columns, 2590154 nonzeros
Variable types: 0 continuous, 57779 integer (57779 binary)
Found heuristic solution: objective 27758.000000

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
    8663    1.8627427e+04   1.067236e+03   0.000000e+00      5s
   13235    1.8951621e+04   2.635255e+03   0.000000e+00     10s
   16283    1.9012163e+04   4.189365e+03   0.000000e+00     15s
   16818    1.9015000e+04   0.000000e+00   0.000000e+00     16s

Root relaxation: objective 1.901500e+04, 16818 iterations, 16.11 seconds

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

*    0     0               0    19015.000000 19015.0000   0.0%     -   19s

Explored 0 nodes (16818 simplex iterations) in 19.78 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.901499999999e+04, best bound 1.901499999999e+04, gap 0.0%