Gurobi 5.0.1 (linux64) logging started Sat Nov 17 01:06:05 2012

Optimize a model with 51061 rows, 44732 columns and 196861 nonzeros
Presolve removed 864 rows and 3800 columns
Presolve time: 1.22s
Presolved: 50197 rows, 40932 columns, 190477 nonzeros
Variable types: 0 continuous, 40932 integer (40932 binary)
Found heuristic solution: objective 211.0000000

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   29939    3.0000820e+00   1.202174e+01   0.000000e+00      5s
   35441    3.0000846e+00   4.363845e+01   0.000000e+00     10s
   40943    3.0000866e+00   5.740452e+00   0.000000e+00     15s
   41726    3.0000000e+00   0.000000e+00   0.000000e+00     16s

Root relaxation: objective 3.000000e+00, 41726 iterations, 15.86 seconds
Total elapsed time = 34.37s
Total elapsed time = 36.01s

    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%     -   36s

Explored 0 nodes (99682 simplex iterations) in 36.40 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%