Gurobi 5.0.1 (linux64) logging started Mon Feb  4 17:08:51 2013

Optimize a model with 2008 rows, 57776 columns and 3549187 nonzeros
Presolve removed 42 rows and 183 columns (presolve time = 5s) ...
Presolve removed 78 rows and 876 columns (presolve time = 11s) ...
Presolve removed 78 rows and 876 columns
Presolve time: 10.78s
Presolved: 1930 rows, 56900 columns, 3490439 nonzeros
Variable types: 0 continuous, 56900 integer (56900 binary)
Found heuristic solution: objective 31486.000000

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
    7243    2.3271307e+04   3.403666e+02   0.000000e+00      5s
   10668    2.3488715e+04   4.500688e+02   0.000000e+00     10s
   13134    2.3532987e+04   2.390735e+02   0.000000e+00     15s
   15004    2.3548000e+04   0.000000e+00   0.000000e+00     19s

Root relaxation: objective 2.354800e+04, 15004 iterations, 19.39 seconds

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

*    0     0               0    23548.000000 23548.0000   0.0%     -   30s

Explored 0 nodes (15004 simplex iterations) in 30.73 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.354800000000e+04, best bound 2.354800000000e+04, gap 0.0%