Gurobi 5.0.1 (linux64) logging started Fri Nov 16 15:25:03 2012

Optimize a model with 7955 rows, 4692 columns and 28218 nonzeros
Presolve removed 412 rows and 138 columns
Presolve time: 0.29s
Presolved: 7543 rows, 4554 columns, 26840 nonzeros
Variable types: 0 continuous, 4554 integer (4554 binary)
Found heuristic solution: objective 68.0000000

Root relaxation: objective 3.000000e+00, 5519 iterations, 0.57 seconds

    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%     -    1s

Explored 0 nodes (10226 simplex iterations) in 1.67 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%