Gurobi 5.0.1 (linux64) logging started Sat Nov 17 04:57:04 2012

Optimize a model with 66056 rows, 51756 columns and 248790 nonzeros
Presolve removed 3178 rows and 0 columns (presolve time = 5s) ...
Presolve removed 3180 rows and 2 columns
Presolve time: 5.27s
Presolved: 63103 rows, 51754 columns, 291820 nonzeros
Variable types: 0 continuous, 51754 integer (51754 binary)
Found heuristic solution: objective 227.0000000

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   30468    3.0000877e+00   1.604651e+01   0.000000e+00      5s
   34528    3.0000905e+00   3.120527e+01   0.000000e+00     10s
   37573    3.0000931e+00   2.796428e+01   0.000000e+00     15s
   40473    3.0000951e+00   1.044182e+02   0.000000e+00     20s
   43373    3.0000974e+00   1.071610e+01   0.000000e+00     25s
   46418    3.0000996e+00   3.768970e+01   0.000000e+00     30s
   49463    3.0001029e+00   1.937079e+02   0.000000e+00     35s
   52218    3.0001056e+00   7.028069e+00   0.000000e+00     40s
   55263    3.0001094e+00   1.012332e+01   0.000000e+00     45s
   57849    3.0000000e+00   0.000000e+00   0.000000e+00     49s

Root relaxation: objective 3.000000e+00, 57849 iterations, 49.33 seconds
Total elapsed time = 106.59s
Total elapsed time = 110.14s

    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%     -  112s

Explored 0 nodes (137757 simplex iterations) in 112.50 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%