Gurobi 5.0.1 (linux64) logging started Fri Nov 16 23:40:16 2012

Optimize a model with 41409 rows, 41006 columns and 164224 nonzeros
Presolve removed 810 rows and 2 columns
Presolve time: 1.10s
Presolved: 40801 rows, 41004 columns, 202606 nonzeros
Variable types: 0 continuous, 41004 integer (41004 binary)
Found heuristic solution: objective 202.0000000

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   27318    3.0000774e+00   1.184308e+01   0.000000e+00      5s
   32792    3.0000844e+00   1.635993e+01   0.000000e+00     10s
   34686    3.0000000e+00   0.000000e+00   0.000000e+00     12s

Root relaxation: objective 3.000000e+00, 34686 iterations, 11.97 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%     -   31s

Explored 0 nodes (61622 simplex iterations) in 31.33 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%