Gurobi 5.0.1 (linux64) logging started Fri Nov 16 22:51:22 2012

Optimize a model with 37829 rows, 38220 columns and 150733 nonzeros
Presolve removed 813 rows and 6047 columns
Presolve time: 1.04s
Presolved: 37016 rows, 32173 columns, 142358 nonzeros
Variable types: 0 continuous, 32173 integer (32173 binary)
Found heuristic solution: objective 195.0000000

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   23750    3.0000676e+00   3.125175e+01   0.000000e+00      5s
   25746    3.0000000e+00   0.000000e+00   0.000000e+00      6s

Root relaxation: objective 3.000000e+00, 25746 iterations, 6.20 seconds
Total elapsed time = 25.06s

    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%     -   26s

Explored 0 nodes (67925 simplex iterations) in 26.37 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%