Gurobi 5.0.1 (linux64) logging started Sat Nov 17 05:16:53 2012

Optimize a model with 64295 rows, 52212 columns and 243958 nonzeros
Presolve removed 476 rows and 4106 columns
Presolve time: 4.74s
Presolved: 63819 rows, 48106 columns, 238154 nonzeros
Variable types: 0 continuous, 48106 integer (48106 binary)
Found heuristic solution: objective 228.0000000

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   37801    3.0001026e+00   6.279481e+02   0.000000e+00      5s
   43768    3.0001987e+00   1.746730e+03   0.000000e+00     10s
   47564    3.0002458e+00   1.190106e+03   0.000000e+00     15s
   51798    3.0002720e+00   1.225161e+03   0.000000e+00     20s
   55886    3.0002847e+00   3.467091e+02   0.000000e+00     25s
   59974    3.0002938e+00   7.820618e+01   0.000000e+00     30s
   63770    3.0003010e+00   1.060295e+02   0.000000e+00     35s
   67128    3.0003060e+00   6.659837e+02   0.000000e+00     40s
   70340    3.0003107e+00   1.829530e+02   0.000000e+00     45s
   73552    3.0003154e+00   2.017734e+02   0.000000e+00     50s
   76618    3.0003194e+00   7.615734e+02   0.000000e+00     55s
   79684    3.0003230e+00   1.140248e+02   0.000000e+00     60s
   82750    3.0003270e+00   6.361431e+00   0.000000e+00     65s
   84665    3.0000000e+00   0.000000e+00   0.000000e+00     68s

Root relaxation: objective 3.000000e+00, 84665 iterations, 68.04 seconds
Total elapsed time = 113.36s
Total elapsed time = 116.45s

    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%     -  117s

Explored 0 nodes (159081 simplex iterations) in 117.24 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%