Gurobi 5.0.1 (linux64) logging started Fri Nov 16 18:01:50 2012

Optimize a model with 7728 rows, 12656 columns and 35392 nonzeros
Presolve removed 478 rows and 3360 columns
Presolve time: 0.16s
Presolved: 7250 rows, 9296 columns, 30912 nonzeros
Variable types: 0 continuous, 9296 integer (9296 binary)
Found heuristic solution: objective 30.0000000

Root relaxation: objective 3.000000e+00, 8082 iterations, 0.22 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%     -    0s

Explored 0 nodes (11728 simplex iterations) in 0.50 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%