Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:37:37 2012

Optimize a model with 31 rows, 31 columns and 106 nonzeros
Presolve removed 0 rows and 3 columns
Presolve time: 0.00s
Presolved: 31 rows, 28 columns, 103 nonzeros
Variable types: 0 continuous, 28 integer (27 binary)
Found heuristic solution: objective 6.0000000
Found heuristic solution: objective 3.0000000

Root relaxation: objective 0.000000e+00, 15 iterations, 0.00 seconds

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

     0     0    0.00000    0   12    3.00000    0.00000   100%     -    0s
H    0     0                       2.0000000    0.00000   100%     -    0s
     0     0    0.25000    0   14    2.00000    0.25000  87.5%     -    0s
     0     0    0.87340    0   16    2.00000    0.87340  56.3%     -    0s

Cutting planes:
  Gomory: 3

Explored 0 nodes (57 simplex iterations) in 0.01 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%