Gurobi 5.0.1 (linux64) logging started Fri Nov 16 15:15:35 2012

Optimize a model with 3815 rows, 2862 columns and 14043 nonzeros
Presolve removed 216 rows and 108 columns
Presolve time: 0.10s
Presolved: 3599 rows, 2754 columns, 13271 nonzeros
Variable types: 0 continuous, 2754 integer (2754 binary)
Found heuristic solution: objective 53.0000000

Root relaxation: objective 3.000000e+00, 2757 iterations, 0.12 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 (5704 simplex iterations) in 0.41 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%