Gurobi 5.0.1 (linux64) logging started Fri Nov 16 21:35:53 2012

Optimize a model with 28535 rows, 30450 columns and 115186 nonzeros
Presolve removed 350 rows and 2 columns
Presolve time: 0.67s
Presolved: 28359 rows, 30448 columns, 144268 nonzeros
Variable types: 0 continuous, 30448 integer (30448 binary)
Found heuristic solution: objective 174.0000000

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   25695    3.0000627e+00   5.536252e+00   0.000000e+00      5s
   26697    3.0000000e+00   0.000000e+00   0.000000e+00      6s

Root relaxation: objective 3.000000e+00, 26697 iterations, 5.50 seconds
Total elapsed time = 15.19s

    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%     -   17s

Explored 0 nodes (67748 simplex iterations) in 17.70 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%