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 5 columns
Presolve time: 0.00s
Presolved: 109 rows, 93 columns, 363 nonzeros
Variable types: 0 continuous, 93 integer (92 binary)
Found heuristic solution: objective 20.0000000

Root relaxation: objective 0.000000e+00, 53 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   38   20.00000    0.00000   100%     -    0s
H    0     0                      16.0000000    0.00000   100%     -    0s
     0     0    0.42454    0   40   16.00000    0.42454  97.3%     -    0s
     0     0    1.03088    0   41   16.00000    1.03088  93.6%     -    0s
H    0     0                      12.0000000    1.03088  91.4%     -    0s
     0     0    1.22567    0   42   12.00000    1.22567  89.8%     -    0s
     0     0    1.23632    0   43   12.00000    1.23632  89.7%     -    0s
     0     0    1.23632    0   43   12.00000    1.23632  89.7%     -    0s
     0     2    1.37792    0   43   12.00000    1.37792  88.5%     -    0s
*   10    10               8       8.0000000    1.93478  75.8%  14.6    0s
H   27     7                       7.0000000    4.45182  36.4%  12.8    0s

Cutting planes:
  Gomory: 5
  Mod-K: 1

Explored 46 nodes (803 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%