Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:38:06 2012

Optimize a model with 69 rows, 59 columns and 229 nonzeros
Presolve removed 0 rows and 1 columns
Presolve time: 0.00s
Presolved: 69 rows, 58 columns, 228 nonzeros
Variable types: 0 continuous, 58 integer (57 binary)
Found heuristic solution: objective 16.0000000

Root relaxation: objective 0.000000e+00, 34 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   23   16.00000    0.00000   100%     -    0s
     0     0    0.46809    0   25   16.00000    0.46809  97.1%     -    0s
H    0     0                      15.0000000    0.46809  96.9%     -    0s
H    0     0                      14.0000000    0.46809  96.7%     -    0s
H    0     0                      11.0000000    0.46809  95.7%     -    0s
     0     0    0.92693    0   27   11.00000    0.92693  91.6%     -    0s
     0     0    0.92739    0   28   11.00000    0.92739  91.6%     -    0s
     0     0    0.92739    0   28   11.00000    0.92739  91.6%     -    0s
H    0     0                      10.0000000    0.92739  90.7%     -    0s
H    0     0                       8.0000000    0.92739  88.4%     -    0s
     0     2    0.93491    0   28    8.00000    0.93491  88.3%     -    0s
*    6     6               5       6.0000000    2.96143  50.6%  16.3    0s

Cutting planes:
  Gomory: 4

Explored 19 nodes (299 simplex iterations) in 0.02 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%