Gurobi 5.0.1 (linux64) logging started Sat Nov 17 11:45:41 2012

Optimize a model with 75695 rows, 62250 columns and 288091 nonzeros
Presolve removed 1014 rows and 4482 columns (presolve time = 5s) ...
Presolve removed 1016 rows and 4484 columns
Presolve time: 6.64s
Presolved: 74679 rows, 57766 columns, 280519 nonzeros
Variable types: 0 continuous, 57766 integer (57766 binary)
Found heuristic solution: objective 249.0000000

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   40691    3.0000712e+00   7.751667e+02   0.000000e+00      5s
   51648    3.0001618e+00   7.485714e+01   0.000000e+00     10s
   59197    3.0001805e+00   2.308326e+02   0.000000e+00     15s
   61537    3.0001861e+00   2.831754e+02   0.000000e+00     20s
   64345    3.0001899e+00   3.842216e+01   0.000000e+00     25s
   67153    3.0001941e+00   1.688337e+01   0.000000e+00     30s
   69805    3.0001973e+00   4.215376e+01   0.000000e+00     35s
   72613    3.0002014e+00   6.744376e+00   0.000000e+00     40s
   75421    3.0002069e+00   2.125000e+02   0.000000e+00     45s
   78385    3.0002138e+00   4.031667e+02   0.000000e+00     50s
   81349    3.0002219e+00   5.239787e+02   0.000000e+00     55s
   84625    3.0002281e+00   7.649860e-01   0.000000e+00     60s
   85305    3.0000000e+00   0.000000e+00   0.000000e+00     61s

Root relaxation: objective 3.000000e+00, 85305 iterations, 61.24 seconds
Total elapsed time = 114.45s
Total elapsed time = 134.39s

    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%     -  142s

Explored 0 nodes (177030 simplex iterations) in 142.47 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%