Gurobi 5.0.1 (linux64) logging started Sat Nov 17 06:56:55 2012

Optimize a model with 66404 rows, 54522 columns and 252570 nonzeros
Presolve removed 1416 rows and 3730 columns
Presolve time: 4.97s
Presolved: 64988 rows, 50792 columns, 244789 nonzeros
Variable types: 0 continuous, 50792 integer (50792 binary)
Found heuristic solution: objective 233.0000000

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   35291    3.0000895e+00   2.208000e+01   0.000000e+00      5s
   40352    3.0000950e+00   1.367772e+02   0.000000e+00     10s
   43880    3.0000986e+00   4.092584e+01   0.000000e+00     15s
   47261    3.0001011e+00   2.261144e+01   0.000000e+00     20s
   50642    3.0001040e+00   3.727104e+01   0.000000e+00     25s
   54464    3.0001085e+00   7.239380e+00   0.000000e+00     30s
   57698    3.0001115e+00   8.415217e+02   0.000000e+00     35s
   60785    3.0001137e+00   1.426747e+01   0.000000e+00     40s
   63872    3.0001154e+00   3.881366e+00   0.000000e+00     45s
   66393    3.0000000e+00   0.000000e+00   0.000000e+00     50s

Root relaxation: objective 3.000000e+00, 66393 iterations, 49.63 seconds
Total elapsed time = 90.14s
Total elapsed time = 97.62s

    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%     -   99s

Explored 0 nodes (133371 simplex iterations) in 99.47 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%