Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:38:33 2012

Optimize a model with 93 rows, 76 columns and 306 nonzeros
Presolve time: 0.00s
Presolved: 93 rows, 76 columns, 306 nonzeros
Variable types: 0 continuous, 76 integer (76 binary)
Found heuristic solution: objective 23.0000000

Root relaxation: objective 0.000000e+00, 47 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   30   23.00000    0.00000   100%     -    0s
H    0     0                      21.0000000    0.00000   100%     -    0s
H    0     0                      20.0000000    0.00000   100%     -    0s
H    0     0                      15.0000000    0.00000   100%     -    0s
     0     0    0.85185    0   33   15.00000    0.85185  94.3%     -    0s
     0     0    0.85185    0   33   15.00000    0.85185  94.3%     -    0s
     0     0    0.85185    0   33   15.00000    0.85185  94.3%     -    0s
H    0     0                      14.0000000    0.85185  93.9%     -    0s
H    0     0                      13.0000000    0.85185  93.4%     -    0s
     0     2    0.87676    0   33   13.00000    0.87676  93.3%     -    0s
*   14    14              11      10.0000000    3.03324  69.7%  13.9    0s
H   54    11                       9.0000000    5.21739  42.0%   9.0    0s

Cutting planes:
  Gomory: 1
  Zero half: 2

Explored 79 nodes (767 simplex iterations) in 0.03 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 9.000000000000e+00, best bound 9.000000000000e+00, gap 0.0%