Gurobi 5.0.1 (linux64) logging started Sat Nov 17 04:45:35 2012

Optimize a model with 66056 rows, 51756 columns and 248790 nonzeros
Presolve removed 2744 rows and 4540 columns (presolve time = 5s) ...
Presolve removed 2746 rows and 4542 columns
Presolve time: 5.23s
Presolved: 63310 rows, 47214 columns, 236882 nonzeros
Variable types: 0 continuous, 47214 integer (47214 binary)
Found heuristic solution: objective 227.0000000

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   28212    3.0000845e+00   2.392308e+01   0.000000e+00      5s
   31692    3.0000871e+00   5.970177e+01   0.000000e+00     10s
   35317    3.0000905e+00   1.641536e+01   0.000000e+00     15s
   38652    3.0000929e+00   1.745757e+01   0.000000e+00     20s
   41987    3.0000952e+00   5.638367e+01   0.000000e+00     25s
   45322    3.0000979e+00   1.100541e+01   0.000000e+00     30s
   48947    3.0001014e+00   8.667702e+00   0.000000e+00     35s
   52427    3.0001055e+00   1.105369e+01   0.000000e+00     40s
   55378    3.0000000e+00   0.000000e+00   0.000000e+00     44s

Root relaxation: objective 3.000000e+00, 55378 iterations, 44.27 seconds
Total elapsed time = 98.98s
Total elapsed time = 104.40s

    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%     -  105s

Explored 0 nodes (137097 simplex iterations) in 105.35 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%