Gurobi 5.0.1 (linux64) logging started Fri Nov 16 15:24:45 2012

Optimize a model with 9792 rows, 4692 columns and 33796 nonzeros
Presolve removed 1429 rows and 68 columns
Presolve time: 0.18s
Presolved: 8363 rows, 4624 columns, 30328 nonzeros
Variable types: 0 continuous, 4624 integer (4624 binary)
Found heuristic solution: objective 36.0000000

Root relaxation: objective 4.000000e+00, 9006 iterations, 1.40 seconds

    Nodes    |    Current Node    |     Objective Bounds      |     Work
 Expl Unexpl |  Obj  Depth IntInf | Incumbent    BestBd   Gap | It/Node Time

*    0     0               0       4.0000000    4.00000   0.0%     -    2s

Explored 0 nodes (11587 simplex iterations) in 2.05 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 4.000000000000e+00, best bound 4.000000000000e+00, gap 0.0%