Gurobi 5.0.1 (linux64) logging started Sun Nov 18 06:07:09 2012

Optimize a model with 475 rows, 441 columns and 1626 nonzeros
Presolve removed 0 rows and 21 columns
Presolve time: 0.00s
Presolved: 475 rows, 420 columns, 1605 nonzeros
Variable types: 0 continuous, 420 integer (419 binary)
Found heuristic solution: objective 86.0000000

Root relaxation: objective 0.000000e+00, 243 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  178   86.00000    0.00000   100%     -    0s
H    0     0                      81.0000000    0.00000   100%     -    0s
H    0     0                      63.0000000    0.00000   100%     -    0s
H    0     0                      54.0000000    0.00000   100%     -    0s
     0     0    0.43266    0  179   54.00000    0.43266  99.2%     -    0s
H    0     0                      51.0000000    0.43266  99.2%     -    0s
     0     0    1.01259    0  181   51.00000    1.01259  98.0%     -    0s
H    0     0                      44.0000000    1.01259  97.7%     -    0s
     0     0    1.27099    0  182   44.00000    1.27099  97.1%     -    0s
     0     0    1.27380    0  184   44.00000    1.27380  97.1%     -    0s
     0     0    1.27380    0  183   44.00000    1.27380  97.1%     -    0s
     0     2    1.30651    0  183   44.00000    1.30651  97.0%     -    0s
H   27    27                      33.0000000    1.59805  95.2%  44.5    0s
*   43    31              25      18.0000000    1.59805  91.1%  36.2    0s
*   65    33              18      16.0000000    1.60850  89.9%  37.5    0s

Cutting planes:
  Gomory: 4
  Mod-K: 2

Explored 991 nodes (36396 simplex iterations) in 1.42 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.600000000000e+01, best bound 1.600000000000e+01, gap 0.0%