Gurobi 5.0.1 (linux64) logging started Sat Nov 17 09:20:28 2012

Optimize a model with 68969 rows, 58806 columns and 264504 nonzeros
Presolve removed 506 rows and 4842 columns
Presolve time: 1.87s
Presolved: 68463 rows, 53964 columns, 257888 nonzeros
Variable types: 0 continuous, 53964 integer (53964 binary)
Found heuristic solution: objective 242.0000000

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   39044    3.0000999e+00   1.961429e+02   0.000000e+00      5s
   44653    3.0001439e+00   9.900000e+01   0.000000e+00     10s
   53220    3.0001633e+00   5.892064e+01   0.000000e+00     15s
   55920    3.0001691e+00   2.066780e+02   0.000000e+00     20s
   58920    3.0001759e+00   9.194461e+01   0.000000e+00     25s
   61770    3.0001817e+00   6.121062e+01   0.000000e+00     30s
   64920    3.0001884e+00   2.930910e+01   0.000000e+00     35s
   68070    3.0001939e+00   1.068155e+02   0.000000e+00     40s
   71070    3.0001983e+00   1.041771e+02   0.000000e+00     45s
   74070    3.0002035e+00   1.125703e+01   0.000000e+00     50s
   77220    3.0002074e+00   8.071401e+01   0.000000e+00     55s
   78911    3.0000000e+00   0.000000e+00   0.000000e+00     58s

Root relaxation: objective 3.000000e+00, 78911 iterations, 57.77 seconds
Total elapsed time = 107.61s
Total elapsed time = 110.27s

    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%     -  112s

Explored 0 nodes (153498 simplex iterations) in 112.03 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%