Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:10:32 2012

Optimize a model with 109 rows, 98 columns and 368 nonzeros
Presolve removed 0 rows and 4 columns
Presolve time: 0.00s
Presolved: 109 rows, 94 columns, 364 nonzeros
Variable types: 0 continuous, 94 integer (93 binary)
Found heuristic solution: objective 20.0000000

Root relaxation: objective 0.000000e+00, 63 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   39   20.00000    0.00000   100%     -    0s
H    0     0                      16.0000000    0.00000   100%     -    0s
H    0     0                      13.0000000    0.00000   100%     -    0s
     0     0    0.41803    0   42   13.00000    0.41803  96.8%     -    0s
     0     0    0.87395    0   44   13.00000    0.87395  93.3%     -    0s
H    0     0                      11.0000000    0.87395  92.1%     -    0s
     0     0    0.87395    0   44   11.00000    0.87395  92.1%     -    0s
H    0     0                       9.0000000    0.87395  90.3%     -    0s
     0     2    0.89371    0   44    9.00000    0.89371  90.1%     -    0s
*   13    13               8       8.0000000    2.12500  73.4%  22.2    0s
*   31     9              12       7.0000000    2.23529  68.1%  13.6    0s

Cutting planes:
  Gomory: 4

Explored 47 nodes (887 simplex iterations) in 0.05 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 7.000000000000e+00, best bound 7.000000000000e+00, gap 0.0%