Gurobi 5.0.1 (linux64) logging started Sat Nov 17 00:04:20 2012

Optimize a model with 48789 rows, 42230 columns and 187573 nonzeros
Presolve removed 428 rows and 3282 columns
Presolve time: 1.20s
Presolved: 48361 rows, 38948 columns, 182796 nonzeros
Variable types: 0 continuous, 38948 integer (38948 binary)
Found heuristic solution: objective 205.0000000

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   30212    3.0000809e+00   3.032353e+01   0.000000e+00      5s
   37823    3.0000839e+00   3.822222e+00   0.000000e+00     10s
   38938    3.0000000e+00   0.000000e+00   0.000000e+00     11s

Root relaxation: objective 3.000000e+00, 38938 iterations, 10.58 seconds
Total elapsed time = 24.41s
Total elapsed time = 26.94s

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

*    0     0               0       3.0000000    3.00000   0.0%     -   29s

Explored 0 nodes (92500 simplex iterations) in 29.39 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.000000000000e+00, best bound 3.000000000000e+00, gap 0.0%