Gurobi 5.0.1 (linux64) logging started Sat Nov 17 07:09:51 2012

Optimize a model with 62711 rows, 54990 columns and 241954 nonzeros
Presolve removed 488 rows and 4214 columns
Presolve time: 1.67s
Presolved: 62223 rows, 50776 columns, 236040 nonzeros
Variable types: 0 continuous, 50776 integer (50776 binary)
Found heuristic solution: objective 234.0000000

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   37430    3.0001230e+00   1.956786e+02   0.000000e+00      5s
   45238    3.0001637e+00   4.600000e+01   0.000000e+00     10s
   49270    3.0001747e+00   9.651675e+01   0.000000e+00     15s
   52438    3.0001804e+00   1.436602e+01   0.000000e+00     20s
   55894    3.0001869e+00   3.784400e+01   0.000000e+00     25s
   59206    3.0001925e+00   4.857855e+01   0.000000e+00     30s
   62662    3.0001987e+00   1.418039e+01   0.000000e+00     35s
   65686    3.0002036e+00   6.676284e+01   0.000000e+00     40s
   68854    3.0002060e+00   5.895652e+00   0.000000e+00     45s
   70006    3.0000000e+00   0.000000e+00   0.000000e+00     47s

Root relaxation: objective 3.000000e+00, 70006 iterations, 46.85 seconds
Total elapsed time = 85.83s

    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%     -   90s

Explored 0 nodes (138605 simplex iterations) in 90.52 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%