Gurobi 5.0.1 (linux64) logging started Sat Nov 17 05:00:19 2012

Optimize a model with 64694 rows, 51756 columns and 244704 nonzeros
Presolve removed 910 rows and 2 columns
Presolve time: 4.89s
Presolved: 64011 rows, 51754 columns, 293401 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
   32562    3.0000872e+00   2.645238e+01   0.000000e+00      5s
   36650    3.0000909e+00   3.815000e+01   0.000000e+00     10s
   40084    3.0000929e+00   1.042001e+01   0.000000e+00     15s
   43442    3.0000963e+00   2.988462e+01   0.000000e+00     20s
   47238    3.0001040e+00   1.014304e+01   0.000000e+00     25s
   48573    3.0000000e+00   0.000000e+00   0.000000e+00     26s

Root relaxation: objective 3.000000e+00, 48573 iterations, 26.22 seconds
Total elapsed time = 83.79s
Total elapsed time = 85.94s
Total elapsed time = 90.77s

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

     0     0    3.00000    0 1798  227.00000    3.00000  98.7%     -   91s
H    0     0                       3.0000000    3.00000   0.0%     -   96s

Explored 0 nodes (169576 simplex iterations) in 96.15 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%