Gurobi 5.0.1 (linux64) logging started Sat Nov 17 03:22:00 2012

Optimize a model with 60383 rows, 49506 columns and 229546 nonzeros
Presolve removed 1126 rows and 3110 columns
Presolve time: 4.32s
Presolved: 59257 rows, 46396 columns, 223240 nonzeros
Variable types: 0 continuous, 46396 integer (46396 binary)
Found heuristic solution: objective 222.0000000

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   33620    2.7501273e+00   3.762500e+01   0.000000e+00      5s
   43800    3.0001608e+00   2.894318e+03   0.000000e+00     10s
   47889    3.0001818e+00   9.057916e+02   0.000000e+00     15s
   51414    3.0001900e+00   2.216851e+02   0.000000e+00     20s
   54939    3.0001960e+00   6.242527e+01   0.000000e+00     25s
   58041    3.0002007e+00   1.459914e+01   0.000000e+00     30s
   61425    3.0002060e+00   8.898750e+02   0.000000e+00     35s
   65091    3.0002151e+00   9.906633e+01   0.000000e+00     40s
   67154    3.0000000e+00   0.000000e+00   0.000000e+00     43s

Root relaxation: objective 3.000000e+00, 67154 iterations, 43.39 seconds
Total elapsed time = 95.69s
Total elapsed time = 100.62s

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

     0     0    3.00000    0   75  222.00000    3.00000  98.6%     -  104s
H    0     0                       3.0000000    3.00000   0.0%     -  104s

Explored 0 nodes (148254 simplex iterations) in 104.32 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%