Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:10:56 2012

Optimize a model with 129 rows, 111 columns and 431 nonzeros
Presolve removed 0 rows and 2 columns
Presolve time: 0.00s
Presolved: 129 rows, 109 columns, 429 nonzeros
Variable types: 0 continuous, 109 integer (108 binary)
Found heuristic solution: objective 25.0000000

Root relaxation: objective 0.000000e+00, 62 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   44   25.00000    0.00000   100%     -    0s
H    0     0                      21.0000000    0.00000   100%     -    0s
H    0     0                      20.0000000    0.00000   100%     -    0s
H    0     0                      17.0000000    0.00000   100%     -    0s
     0     0    0.47727    0   45   17.00000    0.47727  97.2%     -    0s
H    0     0                      13.0000000    0.47727  96.3%     -    0s
H    0     0                      11.0000000    0.47727  95.7%     -    0s
     0     0    1.00000    0   44   11.00000    1.00000  90.9%     -    0s
     0     0    1.08556    0   46   11.00000    1.08556  90.1%     -    0s
     0     0    1.17092    0   49   11.00000    1.17092  89.4%     -    0s
H    0     0                      10.0000000    1.17092  88.3%     -    0s
     0     0    1.17092    0   49   10.00000    1.17092  88.3%     -    0s
     0     2    1.19004    0   49   10.00000    1.19004  88.1%     -    0s
*   25    13               8       9.0000000    2.86936  68.1%  17.9    0s
*   87    11              13       8.0000000    4.06732  49.2%  15.5    0s
*   96     3               6       7.0000000    4.65140  33.6%  15.9    0s

Cutting planes:
  Gomory: 4
  Zero half: 1

Explored 100 nodes (2024 simplex iterations) in 0.09 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%