Gurobi 5.0.1 (linux64) logging started Fri Nov 16 17:26:22 2012

Optimize a model with 13280 rows, 6972 columns and 46480 nonzeros
Presolve removed 1744 rows and 83 columns
Presolve time: 0.28s
Presolved: 11536 rows, 6889 columns, 42081 nonzeros
Variable types: 0 continuous, 6889 integer (6889 binary)
Found heuristic solution: objective 49.0000000

Root relaxation: objective 3.000000e+00, 9847 iterations, 1.51 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%     -    4s

Explored 0 nodes (24099 simplex iterations) in 4.03 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%