Gurobi 5.0.1 (linux64) logging started Fri Nov 16 22:27:36 2012

Optimize a model with 35339 rows, 36290 columns and 141358 nonzeros
Presolve removed 409 rows and 5132 columns
Presolve time: 0.86s
Presolved: 34930 rows, 31158 columns, 134910 nonzeros
Variable types: 0 continuous, 31158 integer (31158 binary)
Found heuristic solution: objective 190.0000000

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   29622    3.0000718e+00   8.834722e+01   0.000000e+00      5s
   34323    3.0000000e+00   0.000000e+00   0.000000e+00      8s

Root relaxation: objective 3.000000e+00, 34323 iterations, 7.79 seconds
Total elapsed time = 20.65s

    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%     -   21s

Explored 0 nodes (68031 simplex iterations) in 21.83 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%