Gurobi 5.0.1 (linux64) logging started Sat Nov 17 09:13:05 2012

Optimize a model with 77681 rows, 58806 columns and 290640 nonzeros
Presolve removed 987 rows and 4598 columns (presolve time = 5s) ...
Presolve removed 989 rows and 4600 columns
Presolve time: 7.05s
Presolved: 76692 rows, 54206 columns, 282988 nonzeros
Variable types: 0 continuous, 54206 integer (54206 binary)
Found heuristic solution: objective 242.0000000

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   38965    3.0001029e+00   2.857500e+02   0.000000e+00      5s
   45898    3.0001506e+00   8.500000e+01   0.000000e+00     10s
   54232    3.0001678e+00   1.929001e+02   0.000000e+00     15s
   56602    3.0001751e+00   5.397669e+02   0.000000e+00     20s
   59130    3.0001801e+00   9.896012e+01   0.000000e+00     25s
   61500    3.0001834e+00   2.092394e+02   0.000000e+00     30s
   64028    3.0001870e+00   9.853426e+02   0.000000e+00     35s
   66556    3.0001904e+00   2.854574e+01   0.000000e+00     40s
   69084    3.0001940e+00   3.024420e+01   0.000000e+00     45s
   71612    3.0001976e+00   4.232614e+01   0.000000e+00     50s
   74298    3.0002022e+00   1.026623e+02   0.000000e+00     55s
   76826    3.0002056e+00   2.128364e+01   0.000000e+00     60s
   79354    3.0002093e+00   1.424353e+01   0.000000e+00     65s
   81724    3.0002125e+00   2.672097e+02   0.000000e+00     70s
   84252    3.0002158e+00   3.183071e+01   0.000000e+00     75s
   86780    3.0002202e+00   3.696038e+01   0.000000e+00     80s
   89150    3.0002233e+00   1.399338e+02   0.000000e+00     85s
   91520    3.0002269e+00   1.755767e+01   0.000000e+00     90s
   93732    3.0002293e+00   4.705762e+02   0.000000e+00     95s
   96102    3.0002320e+00   1.275090e+01   0.000000e+00    100s
   98630    3.0002367e+00   2.355094e+01   0.000000e+00    105s
  100684    3.0002383e+00   1.300552e+01   0.000000e+00    110s
  101658    3.0000000e+00   0.000000e+00   0.000000e+00    113s

Root relaxation: objective 3.000000e+00, 101658 iterations, 112.58 seconds
Total elapsed time = 190.22s
Total elapsed time = 219.04s

    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%     -  222s

Explored 0 nodes (209170 simplex iterations) in 222.05 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%