Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:39:03 2012

Optimize a model with 111 rows, 89 columns and 364 nonzeros
Presolve time: 0.00s
Presolved: 111 rows, 89 columns, 364 nonzeros
Variable types: 0 continuous, 89 integer (89 binary)
Found heuristic solution: objective 24.0000000

Root relaxation: objective 0.000000e+00, 52 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   33   24.00000    0.00000   100%     -    0s
H    0     0                      23.0000000    0.00000   100%     -    0s
H    0     0                      19.0000000    0.00000   100%     -    0s
H    0     0                      15.0000000    0.00000   100%     -    0s
     0     0    0.35704    0   35   15.00000    0.35704  97.6%     -    0s
H    0     0                      14.0000000    0.35704  97.4%     -    0s
     0     0    1.07134    0   37   14.00000    1.07134  92.3%     -    0s
H    0     0                      10.0000000    1.07134  89.3%     -    0s
     0     0    1.08232    0   38   10.00000    1.08232  89.2%     -    0s
     0     2    1.13734    0   38   10.00000    1.13734  88.6%     -    0s
*    7     7               4       8.0000000    3.47202  56.6%  27.9    0s

Cutting planes:
  Gomory: 3
  Zero half: 1
  Mod-K: 1

Explored 28 nodes (607 simplex iterations) in 0.04 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 8.000000000000e+00, best bound 8.000000000000e+00, gap 0.0%