Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:11:48 2012

Optimize a model with 137 rows, 120 columns and 460 nonzeros
Presolve removed 0 rows and 2 columns
Presolve time: 0.00s
Presolved: 137 rows, 118 columns, 458 nonzeros
Variable types: 0 continuous, 118 integer (117 binary)
Found heuristic solution: objective 29.0000000

Root relaxation: objective 0.000000e+00, 74 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   49   29.00000    0.00000   100%     -    0s
H    0     0                      23.0000000    0.00000   100%     -    0s
     0     0    0.56821    0   50   23.00000    0.56821  97.5%     -    0s
H    0     0                      19.0000000    0.56821  97.0%     -    0s
     0     0    1.00000    0   52   19.00000    1.00000  94.7%     -    0s
H    0     0                      18.0000000    1.00000  94.4%     -    0s
H    0     0                      17.0000000    1.00000  94.1%     -    0s
     0     0    1.00000    0   50   17.00000    1.00000  94.1%     -    0s
H    0     0                      13.0000000    1.00000  92.3%     -    0s
     0     2    1.00000    0   49   13.00000    1.00000  92.3%     -    0s
H   16    12                       6.0000000    1.84325  69.3%  28.3    0s

Cutting planes:
  Gomory: 3
  Zero half: 9

Explored 64 nodes (1801 simplex iterations) in 0.08 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%