Gurobi 5.0.1 (linux64) logging started Sun Nov 18 06:47:45 2012

Optimize a model with 495 rows, 469 columns and 1704 nonzeros
Presolve removed 0 rows and 24 columns
Presolve time: 0.00s
Presolved: 495 rows, 445 columns, 1680 nonzeros
Variable types: 0 continuous, 445 integer (444 binary)
Found heuristic solution: objective 87.0000000

Root relaxation: objective 0.000000e+00, 277 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  189   87.00000    0.00000   100%     -    0s
H    0     0                      78.0000000    0.00000   100%     -    0s
H    0     0                      76.0000000    0.00000   100%     -    0s
H    0     0                      70.0000000    0.00000   100%     -    0s
     0     0    0.29186    0  191   70.00000    0.29186   100%     -    0s
H    0     0                      52.0000000    0.29186  99.4%     -    0s
     0     0    0.80062    0  193   52.00000    0.80062  98.5%     -    0s
H    0     0                      35.0000000    0.80062  97.7%     -    0s
     0     0    0.80227    0  197   35.00000    0.80227  97.7%     -    0s
     0     0    0.80227    0  196   35.00000    0.80227  97.7%     -    0s
     0     2    0.80227    0  196   35.00000    0.80227  97.7%     -    0s
H   44    36                      20.0000000    1.00000  95.0%  32.8    0s
H  250   126                      17.0000000    1.00000  94.1%  25.5    0s
* 1350   135              29      16.0000000   11.86667  25.8%  27.7    1s

Explored 1678 nodes (44997 simplex iterations) in 2.30 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%