Gurobi 5.0.1 (linux64) logging started Sat Nov 17 07:16:47 2012

Optimize a model with 72379 rows, 55460 columns and 271423 nonzeros
Presolve removed 959 rows and 4465 columns (presolve time = 5s) ...
Presolve removed 961 rows and 4467 columns
Presolve time: 5.73s
Presolved: 71418 rows, 50993 columns, 264000 nonzeros
Variable types: 0 continuous, 50993 integer (50993 binary)
Found heuristic solution: objective 235.0000000

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   39699    2.9763457e+00   5.613542e+02   0.000000e+00      5s
   47117    3.0001247e+00   2.850000e+02   0.000000e+00     10s
   53281    3.0001394e+00   2.584118e+02   0.000000e+00     15s
   58970    3.0001828e+00   7.338333e+02   0.000000e+00     20s
   62336    3.0001999e+00   1.567121e+02   0.000000e+00     25s
   65549    3.0002164e+00   1.680579e+01   0.000000e+00     30s
   66332    3.0000000e+00   0.000000e+00   0.000000e+00     31s

Root relaxation: objective 3.000000e+00, 66332 iterations, 31.36 seconds
Total elapsed time = 79.87s
Total elapsed time = 83.58s

    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%     -   89s

Explored 0 nodes (140801 simplex iterations) in 89.22 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%