Gurobi 5.0.1 (linux64) logging started Sat Nov 17 03:52:09 2012

Optimize a model with 62719 rows, 50400 columns and 237438 nonzeros
Presolve removed 1370 rows and 5378 columns
Presolve time: 4.72s
Presolved: 61349 rows, 45022 columns, 228154 nonzeros
Variable types: 0 continuous, 45022 integer (45022 binary)
Found heuristic solution: objective 224.0000000

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   35808    3.0000851e+00   3.367857e+01   0.000000e+00      5s
   41242    3.0000942e+00   8.920631e+01   0.000000e+00     10s
   44817    3.0000972e+00   5.149108e+01   0.000000e+00     15s
   48106    3.0000994e+00   3.696567e+02   0.000000e+00     20s
   51538    3.0001017e+00   4.080266e+01   0.000000e+00     25s
   54684    3.0001038e+00   3.132981e+02   0.000000e+00     30s
   57687    3.0001057e+00   1.502058e+01   0.000000e+00     35s
   60690    3.0001081e+00   5.979012e+01   0.000000e+00     40s
   63693    3.0001101e+00   9.153275e+00   0.000000e+00     45s
   66696    3.0001119e+00   7.606818e+00   0.000000e+00     50s
   69080    3.0000000e+00   0.000000e+00   0.000000e+00     54s

Root relaxation: objective 3.000000e+00, 69080 iterations, 53.87 seconds
Total elapsed time = 96.62s

    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%     -   98s

Explored 0 nodes (140869 simplex iterations) in 98.92 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%