Gurobi 5.0.1 (linux64) logging started Sat Nov 17 07:18:18 2012

Optimize a model with 65564 rows, 55460 columns and 250978 nonzeros
Presolve removed 960 rows and 4232 columns
Presolve time: 1.70s
Presolved: 64604 rows, 51228 columns, 243848 nonzeros
Variable types: 0 continuous, 51228 integer (51228 binary)
Found heuristic solution: objective 235.0000000

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   35531    3.0001222e+00   1.387000e+02   0.000000e+00      5s
   40019    3.0001492e+00   7.560000e+01   0.000000e+00     10s
   44870    3.0001635e+00   3.897000e+01   0.000000e+00     15s
   49133    3.0001698e+00   1.638044e+01   0.000000e+00     20s
   51632    3.0001738e+00   6.284201e+01   0.000000e+00     25s
   54425    3.0001775e+00   5.118700e+01   0.000000e+00     30s
   57218    3.0001815e+00   1.662947e+02   0.000000e+00     35s
   60011    3.0001848e+00   2.738513e+02   0.000000e+00     40s
   62804    3.0001889e+00   1.942278e+03   0.000000e+00     45s
   65891    3.0001925e+00   4.432951e+00   0.000000e+00     50s
   66070    3.0000000e+00   0.000000e+00   0.000000e+00     50s

Root relaxation: objective 3.000000e+00, 66070 iterations, 50.36 seconds
Total elapsed time = 98.96s

    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%     -  111s

Explored 0 nodes (131109 simplex iterations) in 111.90 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%