Gurobi 5.0.1 (linux64) logging started Fri Nov 16 23:53:49 2012

Optimize a model with 48755 rows, 41820 columns and 187066 nonzeros
Presolve removed 432 rows and 4490 columns
Presolve time: 1.21s
Presolved: 48323 rows, 37330 columns, 181084 nonzeros
Variable types: 0 continuous, 37330 integer (37330 binary)
Found heuristic solution: objective 204.0000000

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   31114    3.0000828e+00   5.118855e+01   0.000000e+00      5s
   35629    3.0000863e+00   3.125979e+00   0.000000e+00     10s
   37009    3.0000000e+00   0.000000e+00   0.000000e+00     12s

Root relaxation: objective 3.000000e+00, 37009 iterations, 11.55 seconds
Total elapsed time = 34.72s

    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%     -   35s

Explored 0 nodes (73163 simplex iterations) in 35.82 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%