Gurobi 5.0.1 (linux64) logging started Fri Nov 16 22:45:48 2012

Optimize a model with 36859 rows, 37830 columns and 147438 nonzeros
Presolve removed 424 rows and 6598 columns
Presolve time: 0.86s
Presolved: 36435 rows, 31232 columns, 139496 nonzeros
Variable types: 0 continuous, 31232 integer (31232 binary)
Found heuristic solution: objective 194.0000000

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   29844    3.0000696e+00   1.061545e+02   0.000000e+00      5s
   36511    3.0000795e+00   4.235480e+01   0.000000e+00     10s
   37597    3.0000000e+00   0.000000e+00   0.000000e+00     11s

Root relaxation: objective 3.000000e+00, 37597 iterations, 10.90 seconds
Total elapsed time = 22.14s
Total elapsed time = 25.66s

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

     0     0    3.00000    0  682  194.00000    3.00000  98.5%     -   26s
H    0     0                       3.0000000    3.00000   0.0%     -   27s

Explored 0 nodes (83574 simplex iterations) in 27.50 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%