Gurobi 5.0.1 (linux64) logging started Fri Nov 16 17:38:09 2012

Optimize a model with 1600 rows, 4160 columns and 8704 nonzeros
Presolve removed 29 rows and 1856 columns
Presolve time: 0.04s
Presolved: 1571 rows, 2304 columns, 6848 nonzeros
Variable types: 0 continuous, 2304 integer (2304 binary)
Found heuristic solution: objective 12.0000000
Found heuristic solution: objective 2.0000000

Root relaxation: cutoff, 1435 iterations, 0.01 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 (1435 simplex iterations) in 0.06 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%