Gurobi 5.0.1 (linux64) logging started Sat Nov 17 07:59:46 2012

Optimize a model with 70625 rows, 56406 columns and 267097 nonzeros
Presolve removed 3338 rows and 4740 columns (presolve time = 5s) ...
Presolve removed 3340 rows and 4742 columns
Presolve time: 6.03s
Presolved: 67285 rows, 51664 columns, 253494 nonzeros
Variable types: 0 continuous, 51664 integer (51664 binary)
Found heuristic solution: objective 237.0000000

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   31263    3.0000972e+00   2.163333e+01   0.000000e+00      5s
   35435    3.0000998e+00   6.639932e+01   0.000000e+00     10s
   38266    3.0001016e+00   1.529157e+02   0.000000e+00     15s
   41544    3.0001041e+00   2.663966e+03   0.000000e+00     20s
   44673    3.0001061e+00   5.008587e+01   0.000000e+00     25s
   47504    3.0001078e+00   4.351729e+03   0.000000e+00     30s
   50335    3.0001094e+00   5.437295e+01   0.000000e+00     35s
   53315    3.0001115e+00   2.650498e+01   0.000000e+00     40s
   56146    3.0001136e+00   6.388321e+00   0.000000e+00     45s
   58977    3.0001156e+00   5.284421e+02   0.000000e+00     50s
   61659    3.0001177e+00   1.494836e+01   0.000000e+00     55s
   64341    3.0001197e+00   2.686748e+00   0.000000e+00     60s
   66221    3.0000000e+00   0.000000e+00   0.000000e+00     64s

Root relaxation: objective 3.000000e+00, 66221 iterations, 63.82 seconds
Total elapsed time = 104.23s

    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%     -  108s

Explored 0 nodes (124747 simplex iterations) in 108.22 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%