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

Optimize a model with 121 rows, 107 columns and 407 nonzeros
Presolve removed 0 rows and 2 columns
Presolve time: 0.00s
Presolved: 121 rows, 105 columns, 405 nonzeros
Variable types: 0 continuous, 105 integer (104 binary)
Found heuristic solution: objective 23.0000000

Root relaxation: objective 0.000000e+00, 90 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   23.00000    0.00000   100%     -    0s
H    0     0                      19.0000000    0.00000   100%     -    0s
H    0     0                      14.0000000    0.00000   100%     -    0s
     0     0    0.47727    0   45   14.00000    0.47727  96.6%     -    0s
H    0     0                      13.0000000    0.47727  96.3%     -    0s
     0     0    1.12391    0   47   13.00000    1.12391  91.4%     -    0s
H    0     0                      11.0000000    1.12391  89.8%     -    0s
H    0     0                      10.0000000    1.12391  88.8%     -    0s
     0     0    1.33613    0   48   10.00000    1.33613  86.6%     -    0s
H    0     0                       9.0000000    1.33613  85.2%     -    0s
     0     0    1.33773    0   49    9.00000    1.33773  85.1%     -    0s
     0     0    1.33773    0   49    9.00000    1.33773  85.1%     -    0s
     0     2    1.34463    0   49    9.00000    1.34463  85.1%     -    0s
*   30    15              10       8.0000000    4.00000  50.0%  19.1    0s
*   39     6               5       7.0000000    4.12308  41.1%  20.3    0s
*   49     3               7       6.0000000    4.19200  30.1%  18.1    0s

Cutting planes:
  Gomory: 4
  Zero half: 1

Explored 55 nodes (1298 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%