Gurobi 5.0.1 (linux64) logging started Sun Nov 18 08:37:19 2012

Optimize a model with 557 rows, 516 columns and 1906 nonzeros
Presolve removed 0 rows and 15 columns
Presolve time: 0.00s
Presolved: 557 rows, 501 columns, 1891 nonzeros
Variable types: 0 continuous, 501 integer (500 binary)
Found heuristic solution: objective 109.0000000

Root relaxation: objective 0.000000e+00, 282 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  214  109.00000    0.00000   100%     -    0s
H    0     0                      78.0000000    0.00000   100%     -    0s
H    0     0                      77.0000000    0.00000   100%     -    0s
H    0     0                      72.0000000    0.00000   100%     -    0s
     0     0    0.45190    0  215   72.00000    0.45190  99.4%     -    0s
H    0     0                      58.0000000    0.45190  99.2%     -    0s
     0     0    0.81395    0  216   58.00000    0.81395  98.6%     -    0s
H    0     0                      47.0000000    0.81395  98.3%     -    0s
     0     0    0.93173    0  217   47.00000    0.93173  98.0%     -    0s
H    0     0                      43.0000000    0.93173  97.8%     -    0s
     0     0    0.93184    0  217   43.00000    0.93184  97.8%     -    0s
     0     0    0.93184    0  217   43.00000    0.93184  97.8%     -    0s
     0     2    0.93579    0  217   43.00000    0.93579  97.8%     -    0s
H   27    27                      41.0000000    1.00000  97.6%  44.1    0s
H   81    40                      21.0000000    1.00000  95.2%  28.4    0s
*  138    49              20      17.0000000    2.51276  85.2%  37.0    0s

Cutting planes:
  Gomory: 4
  Zero half: 2

Explored 954 nodes (31984 simplex iterations) in 1.44 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.700000000000e+01, best bound 1.700000000000e+01, gap 0.0%