Gurobi 5.0.1 (linux64) logging started Sat Nov 17 07:24:00 2012

Optimize a model with 63214 rows, 55460 columns and 243928 nonzeros
Presolve removed 497 rows and 5877 columns
Presolve time: 1.58s
Presolved: 62717 rows, 49583 columns, 236344 nonzeros
Variable types: 0 continuous, 49583 integer (49583 binary)
Found heuristic solution: objective 235.0000000

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   35109    3.0001040e+00   3.065000e+02   0.000000e+00      5s
   43014    3.0001790e+00   2.132486e+03   0.000000e+00     10s
   47219    3.0002243e+00   9.981713e+02   0.000000e+00     15s
   51134    3.0002443e+00   4.452134e+02   0.000000e+00     20s
   55339    3.0002561e+00   3.005811e+02   0.000000e+00     25s
   59544    3.0002642e+00   5.750957e+01   0.000000e+00     30s
   63894    3.0002724e+00   1.314271e+02   0.000000e+00     35s
   67519    3.0002776e+00   1.784933e+01   0.000000e+00     40s
   69104    3.0000000e+00   0.000000e+00   0.000000e+00     42s

Root relaxation: objective 3.000000e+00, 69104 iterations, 42.34 seconds
Total elapsed time = 84.59s
Total elapsed time = 96.25s

    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 (142529 simplex iterations) in 101.45 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%