Gurobi 5.0.1 (linux64) logging started Fri Nov 16 21:43:36 2012

Optimize a model with 30443 rows, 31506 columns and 121951 nonzeros
Presolve removed 731 rows and 3719 columns
Presolve time: 0.71s
Presolved: 29712 rows, 27787 columns, 116128 nonzeros
Variable types: 0 continuous, 27787 integer (27787 binary)
Found heuristic solution: objective 177.0000000

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   27348    3.0000777e+00   5.296435e+00   0.000000e+00      5s
   30338    3.0000000e+00   0.000000e+00   0.000000e+00      7s

Root relaxation: objective 3.000000e+00, 30338 iterations, 7.04 seconds
Total elapsed time = 16.40s

    Nodes    |    Current Node    |     Objective Bounds      |     Work
 Expl Unexpl |  Obj  Depth IntInf | Incumbent    BestBd   Gap | It/Node Time

     0     0    3.00000    0   54  177.00000    3.00000  98.3%     -   18s
H    0     0                       3.0000000    3.00000   0.0%     -   18s

Explored 0 nodes (76164 simplex iterations) in 18.18 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%