Gurobi 5.0.1 (linux64) logging started Fri Nov 16 22:25:47 2012

Optimize a model with 37988 rows, 35910 columns and 148930 nonzeros
Presolve removed 380 rows and 2 columns
Presolve time: 0.87s
Presolved: 37797 rows, 35908 columns, 183308 nonzeros
Variable types: 0 continuous, 35908 integer (35908 binary)
Found heuristic solution: objective 189.0000000

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   22524    3.0000673e+00   4.344156e+00   0.000000e+00      5s
   23003    3.0000000e+00   0.000000e+00   0.000000e+00      5s

Root relaxation: objective 3.000000e+00, 23003 iterations, 5.44 seconds
Total elapsed time = 21.01s

    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 (64986 simplex iterations) in 21.91 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%