Gurobi 5.0.1 (linux64) logging started Sun Nov 18 06:24:09 2012

Optimize a model with 469 rows, 450 columns and 1620 nonzeros
Presolve removed 0 rows and 24 columns
Presolve time: 0.00s
Presolved: 469 rows, 426 columns, 1596 nonzeros
Variable types: 0 continuous, 426 integer (425 binary)
Found heuristic solution: objective 91.0000000

Root relaxation: objective 0.000000e+00, 275 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  179   91.00000    0.00000   100%     -    0s
H    0     0                      68.0000000    0.00000   100%     -    0s
H    0     0                      63.0000000    0.00000   100%     -    0s
H    0     0                      59.0000000    0.00000   100%     -    0s
     0     0    0.27155    0  181   59.00000    0.27155   100%     -    0s
H    0     0                      57.0000000    0.27155   100%     -    0s
     0     0    0.83070    0  186   57.00000    0.83070  98.5%     -    0s
H    0     0                      55.0000000    0.83070  98.5%     -    0s
     0     0    0.83129    0  185   55.00000    0.83129  98.5%     -    0s
     0     0    0.83129    0  185   55.00000    0.83129  98.5%     -    0s
     0     2    0.83435    0  184   55.00000    0.83435  98.5%     -    0s
H   27    27                      36.0000000    2.09542  94.2%  34.5    0s
H   54    54                      16.0000000    2.09542  86.9%  22.6    0s
*   82    27              52      15.0000000    2.09542  86.0%  19.0    0s
*  100    30              13      14.0000000    2.11688  84.9%  20.2    0s
*  165    49              18      13.0000000    4.98551  61.6%  25.2    0s

Cutting planes:
  Gomory: 3
  Zero half: 8

Explored 346 nodes (10244 simplex iterations) in 0.51 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.300000000000e+01, best bound 1.300000000000e+01, gap 0.0%