Gurobi 5.0.1 (linux64) logging started Fri Nov 16 22:23:27 2012

Optimize a model with 35153 rows, 35910 columns and 140425 nonzeros
Presolve removed 406 rows and 4916 columns
Presolve time: 0.89s
Presolved: 34747 rows, 30994 columns, 134198 nonzeros
Variable types: 0 continuous, 30994 integer (30994 binary)
Found heuristic solution: objective 189.0000000

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   22520    3.0000730e+00   3.488345e+00   0.000000e+00      5s
   23170    3.0000000e+00   0.000000e+00   0.000000e+00      5s

Root relaxation: objective 3.000000e+00, 23170 iterations, 5.43 seconds
Total elapsed time = 18.42s

    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%     -   19s

Explored 0 nodes (70758 simplex iterations) in 19.76 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%