Gurobi 5.0.1 (linux64) logging started Fri Nov 16 17:39:43 2012

Optimize a model with 2923 rows, 6320 columns and 14773 nonzeros
Presolve removed 27 rows and 2133 columns
Presolve time: 0.08s
Presolved: 2896 rows, 4187 columns, 12640 nonzeros
Variable types: 0 continuous, 4187 integer (4187 binary)
Found heuristic solution: objective 19.0000000
Found heuristic solution: objective 2.0000000

Root relaxation: cutoff, 2691 iterations, 0.03 seconds

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

     0     0     cutoff    0         2.00000    1.00000  50.0%     -    0s

Explored 0 nodes (2691 simplex iterations) in 0.12 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.000000000000e+00, best bound 2.000000000000e+00, gap 0.0%