Gurobi 5.0.1 (linux64) logging started Sat Nov 17 05:44:44 2012

Optimize a model with 67554 rows, 52670 columns and 254188 nonzeros
Presolve removed 458 rows and 0 columns (presolve time = 5s) ...
Presolve removed 460 rows and 2 columns
Presolve time: 5.32s
Presolved: 67323 rows, 52668 columns, 304898 nonzeros
Variable types: 0 continuous, 52668 integer (52668 binary)
Found heuristic solution: objective 229.0000000

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   37185    2.9760543e+00   6.424217e+02   0.000000e+00      5s
   44013    3.0001922e+00   2.690060e+03   0.000000e+00     10s
   47291    3.0002294e+00   1.184697e+03   0.000000e+00     15s
   50718    3.0002515e+00   1.268617e+03   0.000000e+00     20s
   54294    3.0002635e+00   3.640563e+02   0.000000e+00     25s
   58168    3.0002715e+00   2.951441e+01   0.000000e+00     30s
   61893    3.0002796e+00   9.567523e+01   0.000000e+00     35s
   65171    3.0002859e+00   2.012755e+01   0.000000e+00     40s
   68300    3.0002909e+00   2.218701e+03   0.000000e+00     45s
   71280    3.0002948e+00   6.140783e+02   0.000000e+00     50s
   74260    3.0002992e+00   3.014508e+01   0.000000e+00     55s
   77538    3.0003044e+00   6.653831e+02   0.000000e+00     60s
   80369    3.0003093e+00   2.654148e+00   0.000000e+00     65s
   81359    3.0000000e+00   0.000000e+00   0.000000e+00     66s

Root relaxation: objective 3.000000e+00, 81359 iterations, 66.39 seconds
Total elapsed time = 91.97s
Total elapsed time = 98.08s

    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 (166429 simplex iterations) in 101.74 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%