Gurobi 5.0.1 (linux64) logging started Mon Feb  4 17:56:50 2013

Optimize a model with 2266 rows, 76094 columns and 4560559 nonzeros
Presolve removed 41 rows and 234 columns (presolve time = 6s) ...
Presolve removed 76 rows and 817 columns (presolve time = 10s) ...
Presolve removed 76 rows and 817 columns
Presolve time: 13.23s
Presolved: 2190 rows, 75277 columns, 4504758 nonzeros
Variable types: 0 continuous, 75277 integer (75277 binary)
Found heuristic solution: objective 40200.000000

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
    7216    2.9477497e+04   4.340498e+02   0.000000e+00      5s
   10792    2.9928474e+04   5.831343e+02   0.000000e+00     10s
   13325    3.0069304e+04   1.295203e+03   0.000000e+00     15s
   15709    3.0128837e+04   1.374463e+03   0.000000e+00     20s
   17795    3.0148399e+04   1.887733e+02   0.000000e+00     25s
   19012    3.0153000e+04   0.000000e+00   0.000000e+00     30s

Root relaxation: objective 3.015300e+04, 19012 iterations, 29.57 seconds

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

*    0     0               0    30153.000000 30153.0000   0.0%     -   43s

Explored 0 nodes (19012 simplex iterations) in 43.52 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.015300000000e+04, best bound 3.015300000000e+04, gap 0.0%