Gurobi 5.0.1 (linux64) logging started Sun Nov 18 07:33:15 2012

Optimize a model with 519 rows, 489 columns and 1784 nonzeros
Presolve removed 0 rows and 24 columns
Presolve time: 0.00s
Presolved: 519 rows, 465 columns, 1760 nonzeros
Variable types: 0 continuous, 465 integer (464 binary)
Found heuristic solution: objective 92.0000000

Root relaxation: objective 0.000000e+00, 257 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  197   92.00000    0.00000   100%     -    0s
H    0     0                      71.0000000    0.00000   100%     -    0s
H    0     0                      56.0000000    0.00000   100%     -    0s
     0     0    0.39004    0  198   56.00000    0.39004  99.3%     -    0s
H    0     0                      48.0000000    0.39004  99.2%     -    0s
     0     0    1.00000    0  200   48.00000    1.00000  97.9%     -    0s
H    0     0                      42.0000000    1.00000  97.6%     -    0s
     0     0    1.18040    0  200   42.00000    1.18040  97.2%     -    0s
H    0     0                      40.0000000    1.18040  97.0%     -    0s
     0     0    1.18190    0  202   40.00000    1.18190  97.0%     -    0s
     0     0    1.18190    0  202   40.00000    1.18190  97.0%     -    0s
H    0     0                      39.0000000    1.18190  97.0%     -    0s
     0     2    1.18744    0  202   39.00000    1.18744  97.0%     -    0s
H   88    34                      17.0000000    1.22810  92.8%  30.4    0s
H  108    42                      16.0000000    1.26219  92.1%  33.9    0s
H  374    95                      15.0000000    5.72019  61.9%  36.1    0s

Cutting planes:
  Gomory: 4
  Mod-K: 2

Explored 840 nodes (30603 simplex iterations) in 1.37 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.500000000000e+01, best bound 1.500000000000e+01, gap 0.0%