Gurobi 5.0.1 (linux64) logging started Sat Nov 17 02:28:29 2012

Optimize a model with 56720 rows, 48180 columns and 217246 nonzeros
Presolve removed 456 rows and 3506 columns
Presolve time: 1.39s
Presolved: 56264 rows, 44674 columns, 212133 nonzeros
Variable types: 0 continuous, 44674 integer (44674 binary)
Found heuristic solution: objective 219.0000000

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   33373    3.0000826e+00   2.107258e+02   0.000000e+00      5s
   40415    3.0000888e+00   4.568874e+01   0.000000e+00     10s
   44693    3.0000936e+00   2.316650e+01   0.000000e+00     15s
   48695    3.0000969e+00   1.266526e+02   0.000000e+00     20s
   52697    3.0001002e+00   4.231659e+01   0.000000e+00     25s
   56285    3.0001024e+00   3.337768e+01   0.000000e+00     30s
   60011    3.0001044e+00   2.787454e+01   0.000000e+00     35s
   63599    3.0001071e+00   4.054167e+01   0.000000e+00     40s
   65137    3.0000000e+00   0.000000e+00   0.000000e+00     42s

Root relaxation: objective 3.000000e+00, 65137 iterations, 42.15 seconds
Total elapsed time = 69.90s
Total elapsed time = 71.55s

    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%     -   72s

Explored 0 nodes (128904 simplex iterations) in 72.24 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%