Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:11:25 2012

Optimize a model with 115 rows, 107 columns and 392 nonzeros
Presolve removed 0 rows and 2 columns
Presolve time: 0.00s
Presolved: 115 rows, 105 columns, 390 nonzeros
Variable types: 0 continuous, 105 integer (104 binary)
Found heuristic solution: objective 24.0000000

Root relaxation: objective 0.000000e+00, 72 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   45   24.00000    0.00000   100%     -    0s
H    0     0                      20.0000000    0.00000   100%     -    0s
H    0     0                      19.0000000    0.00000   100%     -    0s
     0     0    0.32990    0   47   19.00000    0.32990  98.3%     -    0s
H    0     0                      16.0000000    0.32990  97.9%     -    0s
H    0     0                      12.0000000    0.32990  97.3%     -    0s
     0     0    0.98755    0   51   12.00000    0.98755  91.8%     -    0s
H    0     0                      10.0000000    0.98755  90.1%     -    0s
     0     0    0.99985    0   53   10.00000    0.99985  90.0%     -    0s
H    0     0                       8.0000000    0.99985  87.5%     -    0s
     0     2    1.03234    0   53    8.00000    1.03234  87.1%     -    0s
*   13     8              12       7.0000000    2.23694  68.0%  11.7    0s
H   27     6                       6.0000000    2.57331  57.1%  13.7    0s

Cutting planes:
  Gomory: 4
  Mod-K: 1

Explored 79 nodes (1340 simplex iterations) in 0.07 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 6.000000000000e+00, best bound 6.000000000000e+00, gap 0.0%