Gurobi 5.0.1 (linux64) logging started Fri Nov 16 15:28:10 2012

Optimize a model with 8189 rows, 4970 columns and 29188 nonzeros
Presolve removed 842 rows and 2 columns
Presolve time: 0.28s
Presolved: 7417 rows, 4968 columns, 31848 nonzeros
Variable types: 0 continuous, 4968 integer (4968 binary)
Found heuristic solution: objective 70.0000000

Root relaxation: objective 3.000000e+00, 5511 iterations, 0.47 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%     -    2s

Explored 0 nodes (19816 simplex iterations) in 2.63 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%