Gurobi 5.0.1 (linux64) logging started Sat Nov 17 00:52:58 2012

Optimize a model with 48509 rows, 44310 columns and 188788 nonzeros
Presolve removed 1073 rows and 4412 columns
Presolve time: 1.34s
Presolved: 47436 rows, 39898 columns, 181406 nonzeros
Variable types: 0 continuous, 39898 integer (39898 binary)
Found heuristic solution: objective 210.0000000

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   27563    3.0000861e+00   7.527536e+01   0.000000e+00      5s
   32171    3.0000906e+00   2.018190e+01   0.000000e+00     10s
   36907    3.0000958e+00   2.487063e+01   0.000000e+00     15s
   41515    3.0000999e+00   1.944058e+01   0.000000e+00     20s
   43197    3.0000000e+00   0.000000e+00   0.000000e+00     22s

Root relaxation: objective 3.000000e+00, 43197 iterations, 22.10 seconds
Total elapsed time = 58.06s
Total elapsed time = 65.15s

    Nodes    |    Current Node    |     Objective Bounds      |     Work
 Expl Unexpl |  Obj  Depth IntInf | Incumbent    BestBd   Gap | It/Node Time

     0     0    3.00000    0  144  210.00000    3.00000  98.6%     -   67s
H    0     0                       3.0000000    3.00000   0.0%     -   67s

Explored 0 nodes (118721 simplex iterations) in 67.51 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%