Gurobi 5.0.1 (linux64) logging started Sat Nov 17 08:01:52 2012

Optimize a model with 74731 rows, 56882 columns and 279886 nonzeros
Presolve removed 492 rows and 3808 columns (presolve time = 5s) ...
Presolve removed 494 rows and 3810 columns
Presolve time: 5.83s
Presolved: 74237 rows, 53072 columns, 274264 nonzeros
Variable types: 0 continuous, 53072 integer (53072 binary)
Found heuristic solution: objective 238.0000000

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   39422    3.0000982e+00   9.566000e+02   0.000000e+00      5s
   45558    3.0002156e+00   2.188719e+03   0.000000e+00     10s
   48834    3.0002544e+00   4.275460e+03   0.000000e+00     15s
   52110    3.0002809e+00   2.107284e+02   0.000000e+00     20s
   55542    3.0003008e+00   6.269649e+02   0.000000e+00     25s
   59442    3.0003169e+00   2.966548e+02   0.000000e+00     30s
   63966    3.0003299e+00   1.911456e+03   0.000000e+00     35s
   68958    3.0003424e+00   8.634704e+01   0.000000e+00     40s
   72546    3.0003479e+00   2.983639e+01   0.000000e+00     45s
   74462    3.0000000e+00   0.000000e+00   0.000000e+00     48s

Root relaxation: objective 3.000000e+00, 74462 iterations, 47.81 seconds
Total elapsed time = 108.29s

    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 (124238 simplex iterations) in 111.30 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%