Gurobi 5.0.1 (linux64) logging started Sat Nov 17 00:19:40 2012

Optimize a model with 44504 rows, 43056 columns and 175534 nonzeros
Presolve removed 853 rows and 4763 columns
Presolve time: 1.07s
Presolved: 43651 rows, 38293 columns, 168281 nonzeros
Variable types: 0 continuous, 38293 integer (38293 binary)
Found heuristic solution: objective 207.0000000

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   24915    3.0000778e+00   4.160756e+01   0.000000e+00      5s
   30000    3.0000000e+00   0.000000e+00   0.000000e+00      9s

Root relaxation: objective 3.000000e+00, 30000 iterations, 9.36 seconds
Total elapsed time = 38.10s

    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%     -   39s

Explored 0 nodes (83180 simplex iterations) in 39.66 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%