Gurobi 5.0.1 (linux64) logging started Sat Nov 17 09:03:20 2012

Optimize a model with 74950 rows, 58322 columns and 281968 nonzeros
Presolve removed 496 rows and 3374 columns (presolve time = 5s) ...
Presolve removed 498 rows and 3376 columns
Presolve time: 6.21s
Presolved: 74452 rows, 54946 columns, 276771 nonzeros
Variable types: 0 continuous, 54946 integer (54946 binary)
Found heuristic solution: objective 241.0000000

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   39035    3.0001231e+00   9.070000e+02   0.000000e+00      5s
   47799    3.0001654e+00   8.066667e+01   0.000000e+00     10s
   54239    3.0001804e+00   7.665048e+01   0.000000e+00     15s
   56735    3.0001859e+00   8.749785e+01   0.000000e+00     20s
   59543    3.0001912e+00   1.073909e+01   0.000000e+00     25s
   62507    3.0001970e+00   8.186616e+01   0.000000e+00     30s
   65315    3.0002018e+00   2.010910e+02   0.000000e+00     35s
   68279    3.0002087e+00   2.775241e+01   0.000000e+00     40s
   71399    3.0002160e+00   1.127220e+01   0.000000e+00     45s
   74207    3.0002223e+00   5.302098e+01   0.000000e+00     50s
   77015    3.0002279e+00   1.555997e+02   0.000000e+00     55s
   79667    3.0002315e+00   1.098679e+01   0.000000e+00     60s
   82163    3.0002327e+00   3.528134e+01   0.000000e+00     65s
   84815    3.0002333e+00   5.579151e-01   0.000000e+00     70s
   84897    3.0000000e+00   0.000000e+00   0.000000e+00     70s

Root relaxation: objective 3.000000e+00, 84897 iterations, 70.40 seconds

    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%     -  136s

Explored 0 nodes (133856 simplex iterations) in 136.26 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%