Gurobi 5.0.1 (linux64) logging started Sat Nov 17 05:27:57 2012

Optimize a model with 64295 rows, 52212 columns and 243958 nonzeros
Presolve removed 914 rows and 2 columns
Presolve time: 4.98s
Presolved: 63609 rows, 52210 columns, 293106 nonzeros
Variable types: 0 continuous, 52210 integer (52210 binary)
Found heuristic solution: objective 228.0000000

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   31514    3.0000848e+00   3.118966e+01   0.000000e+00      5s
   35894    3.0000885e+00   8.724653e+01   0.000000e+00     10s
   38814    3.0000906e+00   4.620093e+01   0.000000e+00     15s
   42026    3.0000931e+00   4.550122e+01   0.000000e+00     20s
   45238    3.0000952e+00   2.463371e+02   0.000000e+00     25s
   48596    3.0000989e+00   2.585533e+01   0.000000e+00     30s
   52100    3.0001030e+00   1.607647e+00   0.000000e+00     35s
   52686    3.0000000e+00   0.000000e+00   0.000000e+00     36s

Root relaxation: objective 3.000000e+00, 52686 iterations, 35.77 seconds
Total elapsed time = 69.09s
Total elapsed time = 71.85s
Total elapsed time = 78.39s

    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%     -   78s

Explored 0 nodes (134083 simplex iterations) in 78.57 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%