Gurobi 5.0.1 (linux64) logging started Sat Nov 17 08:27:48 2012

Optimize a model with 72894 rows, 57360 columns and 274848 nonzeros
Presolve removed 2413 rows and 5497 columns (presolve time = 5s) ...
Presolve removed 2415 rows and 5499 columns
Presolve time: 6.19s
Presolved: 70479 rows, 51861 columns, 262786 nonzeros
Variable types: 0 continuous, 51861 integer (51861 binary)
Found heuristic solution: objective 239.0000000

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   33721    3.0000886e+00   3.440909e+01   0.000000e+00      5s
   37977    3.0000942e+00   7.450576e+01   0.000000e+00     10s
   40865    3.0000966e+00   5.369149e+01   0.000000e+00     15s
   43753    3.0000985e+00   2.019778e+01   0.000000e+00     20s
   46641    3.0001007e+00   2.126142e+01   0.000000e+00     25s
   49529    3.0001026e+00   1.661528e+01   0.000000e+00     30s
   52265    3.0001049e+00   9.941212e+01   0.000000e+00     35s
   55305    3.0001083e+00   7.737500e+02   0.000000e+00     40s
   58345    3.0001100e+00   4.505961e+00   0.000000e+00     45s
   61233    3.0001107e+00   1.818294e+00   0.000000e+00     50s
   63817    3.0001109e+00   4.793793e-01   0.000000e+00     55s
   65449    3.0000000e+00   0.000000e+00   0.000000e+00     59s

Root relaxation: objective 3.000000e+00, 65449 iterations, 58.51 seconds
Total elapsed time = 125.85s

    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%     -  198s

Explored 0 nodes (184385 simplex iterations) in 198.87 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%