Gurobi 5.0.1 (linux64) logging started Fri Nov 16 22:32:31 2012

Optimize a model with 40682 rows, 36672 columns and 157764 nonzeros
Presolve removed 406 rows and 4204 columns
Presolve time: 0.93s
Presolved: 40276 rows, 32468 columns, 152185 nonzeros
Variable types: 0 continuous, 32468 integer (32468 binary)
Found heuristic solution: objective 191.0000000

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   26816    3.0000759e+00   3.800000e+01   0.000000e+00      5s
   32647    3.0000823e+00   1.516892e+01   0.000000e+00     10s
   34063    3.0000000e+00   0.000000e+00   0.000000e+00     11s

Root relaxation: objective 3.000000e+00, 34063 iterations, 11.44 seconds

    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%     -   41s

Explored 0 nodes (68994 simplex iterations) in 41.13 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%