Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:38:01 2012

Optimize a model with 51 rows, 49 columns and 174 nonzeros
Presolve removed 0 rows and 2 columns
Presolve time: 0.00s
Presolved: 51 rows, 47 columns, 172 nonzeros
Variable types: 0 continuous, 47 integer (46 binary)
Found heuristic solution: objective 13.0000000
Found heuristic solution: objective 11.0000000

Root relaxation: objective 0.000000e+00, 33 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   21   11.00000    0.00000   100%     -    0s
H    0     0                       5.0000000    0.00000   100%     -    0s
     0     0    0.42632    0   24    5.00000    0.42632  91.5%     -    0s
H    0     0                       4.0000000    0.42632  89.3%     -    0s
     0     0    0.76740    0   26    4.00000    0.76740  80.8%     -    0s
     0     0    0.77671    0   28    4.00000    0.77671  80.6%     -    0s
H    0     0                       3.0000000    0.77671  74.1%     -    0s
     0     2    0.81482    0   28    3.00000    0.81482  72.8%     -    0s

Cutting planes:
  Gomory: 4
  Mod-K: 1

Explored 11 nodes (238 simplex iterations) in 0.01 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%