Gurobi 5.0.1 (linux64) logging started Fri Nov 16 22:22:55 2012

Optimize a model with 37988 rows, 35910 columns and 148930 nonzeros
Presolve removed 405 rows and 4727 columns
Presolve time: 0.89s
Presolved: 37583 rows, 31183 columns, 142862 nonzeros
Variable types: 0 continuous, 31183 integer (31183 binary)
Found heuristic solution: objective 189.0000000

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   24603    3.0000749e+00   5.087500e+01   0.000000e+00      5s
   27288    3.0000000e+00   0.000000e+00   0.000000e+00      7s

Root relaxation: objective 3.000000e+00, 27288 iterations, 6.95 seconds
Total elapsed time = 28.30s
Total elapsed time = 30.40s

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

     0     0    3.00000    0  115  189.00000    3.00000  98.4%     -   30s
H    0     0                       3.0000000    3.00000   0.0%     -   30s

Explored 0 nodes (80949 simplex iterations) in 30.78 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%