Gurobi 5.0.1 (linux64) logging started Mon Nov 19 06:43:10 2012

Optimize a model with 81 rows, 17 columns and 162 nonzeros
Presolve removed 68 rows and 6 columns
Presolve time: 0.00s
Presolved: 13 rows, 11 columns, 33 nonzeros
Variable types: 0 continuous, 11 integer (11 binary)
Found heuristic solution: objective 4.0000000

Root relaxation: cutoff, 9 iterations, 0.00 seconds

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

     0     0     cutoff    0         4.00000    4.99999  25.0%     -    0s

Explored 0 nodes (9 simplex iterations) in 0.00 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 4.000000000000e+00, best bound 4.000000000000e+00, gap 0.0%