Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:35:31 2012

Optimize a model with 331 rows, 330 columns and 1155 nonzeros
Presolve removed 0 rows and 28 columns
Presolve time: 0.00s
Presolved: 331 rows, 302 columns, 1127 nonzeros
Variable types: 0 continuous, 302 integer (301 binary)
Found heuristic solution: objective 56.0000000

Root relaxation: objective 0.000000e+00, 215 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  132   56.00000    0.00000   100%     -    0s
H    0     0                      48.0000000    0.00000   100%     -    0s
H    0     0                      44.0000000    0.00000   100%     -    0s
H    0     0                      40.0000000    0.00000   100%     -    0s
     0     0    0.24752    0  134   40.00000    0.24752  99.4%     -    0s
H    0     0                      38.0000000    0.24752  99.3%     -    0s
H    0     0                      27.0000000    0.24752  99.1%     -    0s
     0     0    0.90076    0  137   27.00000    0.90076  96.7%     -    0s
H    0     0                      16.0000000    0.90076  94.4%     -    0s
     0     0    0.90076    0  137   16.00000    0.90076  94.4%     -    0s
H    0     0                      15.0000000    0.90076  94.0%     -    0s
     0     2    0.90948    0  137   15.00000    0.90948  93.9%     -    0s
*   23    16              13       9.0000000    1.00000  88.9%  33.5    0s

Cutting planes:
  Gomory: 4
  Zero half: 1

Explored 92 nodes (3293 simplex iterations) in 0.15 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%