Gurobi 5.0.1 (linux64) logging started Fri Nov 16 22:44:25 2012

Optimize a model with 38020 rows, 37442 columns and 150538 nonzeros
Presolve removed 1546 rows and 2 columns
Presolve time: 0.91s
Presolved: 36667 rows, 37440 columns, 183549 nonzeros
Variable types: 0 continuous, 37440 integer (37440 binary)
Found heuristic solution: objective 193.0000000

Root relaxation: objective 3.000000e+00, 22107 iterations, 4.76 seconds
Total elapsed time = 23.46s
Total elapsed time = 25.72s

    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%     -   28s

Explored 0 nodes (82557 simplex iterations) in 28.13 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%