Gurobi 5.0.1 (linux64) logging started Fri Nov 16 22:43:58 2012

Optimize a model with 37634 rows, 37442 columns and 149380 nonzeros
Presolve removed 388 rows and 2 columns
Presolve time: 0.90s
Presolved: 37439 rows, 37440 columns, 185278 nonzeros
Variable types: 0 continuous, 37440 integer (37440 binary)
Found heuristic solution: objective 193.0000000

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   23067    3.0000696e+00   2.241033e+01   0.000000e+00      5s
   23455    3.0000000e+00   0.000000e+00   0.000000e+00      5s

Root relaxation: objective 3.000000e+00, 23455 iterations, 5.30 seconds
Total elapsed time = 22.99s

    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%     -   23s

Explored 0 nodes (56780 simplex iterations) in 23.90 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%