Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:40:29 2012

Optimize a model with 341 rows, 342 columns and 1192 nonzeros
Presolve removed 0 rows and 27 columns
Presolve time: 0.00s
Presolved: 341 rows, 315 columns, 1165 nonzeros
Variable types: 0 continuous, 315 integer (314 binary)
Found heuristic solution: objective 54.0000000

Root relaxation: objective 0.000000e+00, 208 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  133   54.00000    0.00000   100%     -    0s
H    0     0                      30.0000000    0.00000   100%     -    0s
     0     0    0.21359    0  135   30.00000    0.21359  99.3%     -    0s
H    0     0                      27.0000000    0.21359  99.2%     -    0s
     0     0    0.76666    0  137   27.00000    0.76666  97.2%     -    0s
H    0     0                      17.0000000    0.76666  95.5%     -    0s
     0     0    0.76666    0  137   17.00000    0.76666  95.5%     -    0s
H    0     0                      16.0000000    0.76666  95.2%     -    0s
H    0     0                      15.0000000    0.76666  94.9%     -    0s
     0     2    0.77604    0  137   15.00000    0.77604  94.8%     -    0s
H   27    27                      14.0000000    1.00000  92.9%  31.8    0s
*   29    19              17       8.0000000    1.00000  87.5%  31.1    0s

Cutting planes:
  Gomory: 3
  Zero half: 13

Explored 199 nodes (5005 simplex iterations) in 0.23 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%