Gurobi 5.0.1 (linux64) logging started Sat Nov 17 01:57:49 2012

Optimize a model with 58806 rows, 47306 columns and 222640 nonzeros
Presolve removed 1757 rows and 4125 columns
Presolve time: 4.18s
Presolved: 57049 rows, 43181 columns, 213651 nonzeros
Variable types: 0 continuous, 43181 integer (43181 binary)
Found heuristic solution: objective 217.0000000

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   25629    3.0000778e+00   2.051852e+01   0.000000e+00      5s
   29660    3.0000805e+00   6.367678e+01   0.000000e+00     10s
   33135    3.0000833e+00   5.944800e+01   0.000000e+00     15s
   37166    3.0000888e+00   8.545135e+00   0.000000e+00     20s
   40919    3.0000947e+00   8.100000e+01   0.000000e+00     25s
   43631    3.0000000e+00   0.000000e+00   0.000000e+00     28s

Root relaxation: objective 3.000000e+00, 43631 iterations, 27.75 seconds
Total elapsed time = 59.77s
Total elapsed time = 62.70s
Total elapsed time = 66.32s

    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%     -   67s

Explored 0 nodes (136472 simplex iterations) in 67.95 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%