Gurobi 5.0.1 (linux64) logging started Fri Nov 16 18:09:57 2012

Optimize a model with 7771 rows, 13572 columns and 36306 nonzeros
Presolve removed 43 rows and 4758 columns
Presolve time: 0.15s
Presolved: 7728 rows, 8814 columns, 31416 nonzeros
Variable types: 0 continuous, 8814 integer (8814 binary)
Found heuristic solution: objective 116.0000000
Found heuristic solution: objective 3.0000000

Root relaxation: objective 2.000000e+00, 141 iterations, 0.00 seconds

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

     0     0    2.00000    0   40    3.00000    2.00000  33.3%     -    0s
     0     0 infeasible    0         3.00000    2.00000  33.3%     -    0s

Explored 0 nodes (246 simplex iterations) in 0.19 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%