Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:37:54 2012

Optimize a model with 51 rows, 47 columns and 172 nonzeros
Presolve removed 0 rows and 1 columns
Presolve time: 0.00s
Presolved: 51 rows, 46 columns, 171 nonzeros
Variable types: 0 continuous, 46 integer (45 binary)
Found heuristic solution: objective 12.0000000
Found heuristic solution: objective 9.0000000

Root relaxation: objective 0.000000e+00, 32 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   20    9.00000    0.00000   100%     -    0s
H    0     0                       7.0000000    0.00000   100%     -    0s
     0     0    0.30508    0   22    7.00000    0.30508  95.6%     -    0s
     0     0    0.98450    0   24    7.00000    0.98450  85.9%     -    0s
     0     0    0.98450    0   24    7.00000    0.98450  85.9%     -    0s
     0     0    0.98450    0   24    7.00000    0.98450  85.9%     -    0s
H    0     0                       5.0000000    0.98450  80.3%     -    0s
     0     2    0.99907    0   24    5.00000    0.99907  80.0%     -    0s
*   11     4               8       4.0000000    2.10051  47.5%   8.2    0s
*   13     1               3       3.0000000    3.00000   0.0%   7.6    0s

Cutting planes:
  Gomory: 3
  Zero half: 1

Explored 14 nodes (208 simplex iterations) in 0.02 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%