Gurobi 5.0.1 (linux64) logging started Sat Nov 17 00:30:48 2012

Optimize a model with 47215 rows, 43472 columns and 184078 nonzeros
Presolve removed 440 rows and 4578 columns
Presolve time: 1.18s
Presolved: 46775 rows, 38894 columns, 178012 nonzeros
Variable types: 0 continuous, 38894 integer (38894 binary)
Found heuristic solution: objective 208.0000000

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   27434    3.0000767e+00   7.029412e+00   0.000000e+00      5s
   32260    3.0000819e+00   7.307911e+01   0.000000e+00     10s
   33984    3.0000000e+00   0.000000e+00   0.000000e+00     12s

Root relaxation: objective 3.000000e+00, 33984 iterations, 11.70 seconds

    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%     -   26s

Explored 0 nodes (63913 simplex iterations) in 26.02 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%