Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:37:17 2012

Optimize a model with 295 rows, 316 columns and 1051 nonzeros
Presolve removed 0 rows and 29 columns
Presolve time: 0.00s
Presolved: 295 rows, 287 columns, 1022 nonzeros
Variable types: 0 continuous, 287 integer (286 binary)
Found heuristic solution: objective 50.0000000

Root relaxation: objective 0.000000e+00, 186 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  129   50.00000    0.00000   100%     -    0s
H    0     0                      41.0000000    0.00000   100%     -    0s
H    0     0                      40.0000000    0.00000   100%     -    0s
H    0     0                      37.0000000    0.00000   100%     -    0s
     0     0    0.29995    0  132   37.00000    0.29995  99.2%     -    0s
H    0     0                      26.0000000    0.29995  98.8%     -    0s
H    0     0                      22.0000000    0.29995  98.6%     -    0s
     0     0    0.71469    0  137   22.00000    0.71469  96.8%     -    0s
H    0     0                      18.0000000    0.71469  96.0%     -    0s
     0     0    0.71469    0  137   18.00000    0.71469  96.0%     -    0s
H    0     0                       8.0000000    0.71469  91.1%     -    0s
     0     2    0.72671    0  137    8.00000    0.72671  90.9%     -    0s
*   39    23              23       6.0000000    1.00000  83.3%  15.6    0s

Cutting planes:
  Gomory: 4
  Zero half: 3

Explored 434 nodes (4704 simplex iterations) in 0.24 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%