Gurobi 5.0.1 (linux64) logging started Sat Nov 17 03:58:14 2012

Optimize a model with 61823 rows, 50400 columns and 234750 nonzeros
Presolve removed 1138 rows and 3586 columns
Presolve time: 4.56s
Presolved: 60685 rows, 46814 columns, 227936 nonzeros
Variable types: 0 continuous, 46814 integer (46814 binary)
Found heuristic solution: objective 224.0000000

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   31965    2.8889812e+00   3.742222e+01   0.000000e+00      5s
   42738    3.0000953e+00   6.562564e+02   0.000000e+00     10s
   46456    3.0001009e+00   6.373742e+02   0.000000e+00     15s
   50031    3.0001028e+00   5.689792e+01   0.000000e+00     20s
   53463    3.0001050e+00   9.644521e+01   0.000000e+00     25s
   56609    3.0001068e+00   7.347587e+01   0.000000e+00     30s
   59755    3.0001085e+00   2.400862e+01   0.000000e+00     35s
   62758    3.0001102e+00   5.376210e+02   0.000000e+00     40s
   65618    3.0001116e+00   1.796730e+02   0.000000e+00     45s
   68764    3.0001134e+00   6.296950e+01   0.000000e+00     50s
   71910    3.0001157e+00   7.935661e+00   0.000000e+00     55s
   73407    3.0000000e+00   0.000000e+00   0.000000e+00     58s

Root relaxation: objective 3.000000e+00, 73407 iterations, 57.54 seconds

    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%     -  101s

Explored 0 nodes (115117 simplex iterations) in 101.85 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%