Gurobi 5.0.1 (linux64) logging started Sun Nov 18 08:11:21 2012

Optimize a model with 581 rows, 525 columns and 1975 nonzeros
Presolve removed 0 rows and 16 columns
Presolve time: 0.00s
Presolved: 581 rows, 509 columns, 1959 nonzeros
Variable types: 0 continuous, 509 integer (508 binary)
Found heuristic solution: objective 103.0000000

Root relaxation: objective 0.000000e+00, 278 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  212  103.00000    0.00000   100%     -    0s
H    0     0                      94.0000000    0.00000   100%     -    0s
H    0     0                      93.0000000    0.00000   100%     -    0s
H    0     0                      87.0000000    0.00000   100%     -    0s
     0     0    0.43671    0  213   87.00000    0.43671  99.5%     -    0s
H    0     0                      85.0000000    0.43671  99.5%     -    0s
     0     0    1.00000    0  215   85.00000    1.00000  98.8%     -    0s
     0     0    1.00000    0  217   85.00000    1.00000  98.8%     -    0s
     0     0    1.00000    0  214   85.00000    1.00000  98.8%     -    0s
H    0     0                      66.0000000    1.00000  98.5%     -    0s
H    0     0                      58.0000000    1.00000  98.3%     -    0s
H    0     0                      49.0000000    1.00000  98.0%     -    0s
H    0     0                      48.0000000    1.00000  97.9%     -    0s
     0     2    1.00000    0  214   48.00000    1.00000  97.9%     -    0s
H   42    38                      16.0000000    1.00000  93.7%  47.3    0s

Cutting planes:
  Gomory: 3
  Zero half: 1

Explored 1273 nodes (46217 simplex iterations) in 2.07 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%