Gurobi 5.0.1 (linux64) logging started Sat Nov 17 00:40:27 2012

Optimize a model with 47651 rows, 43890 columns and 185799 nonzeros
Presolve removed 440 rows and 4182 columns
Presolve time: 1.26s
Presolved: 47211 rows, 39708 columns, 180122 nonzeros
Variable types: 0 continuous, 39708 integer (39708 binary)
Found heuristic solution: objective 209.0000000

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   33503    3.0000851e+00   2.597586e+02   0.000000e+00      5s
   38837    3.0000909e+00   6.659789e+01   0.000000e+00     10s
   43409    3.0000951e+00   2.423897e+01   0.000000e+00     15s
   47981    3.0000986e+00   9.924631e+00   0.000000e+00     20s
   52299    3.0001015e+00   9.878921e+00   0.000000e+00     25s
   54866    3.0000000e+00   0.000000e+00   0.000000e+00     28s

Root relaxation: objective 3.000000e+00, 54866 iterations, 27.80 seconds
Total elapsed time = 59.29s
Total elapsed time = 61.84s
Total elapsed time = 65.67s

    Nodes    |    Current Node    |     Objective Bounds      |     Work
 Expl Unexpl |  Obj  Depth IntInf | Incumbent    BestBd   Gap | It/Node Time

     0     0    3.00000    0   42  209.00000    3.00000  98.6%     -   66s
H    0     0                       3.0000000    3.00000   0.0%     -   66s

Explored 0 nodes (119642 simplex iterations) in 66.89 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%