Gurobi 5.0.1 (linux64) logging started Sun Nov 18 06:37:36 2012

Optimize a model with 515 rows, 476 columns and 1761 nonzeros
Presolve removed 0 rows and 15 columns
Presolve time: 0.00s
Presolved: 515 rows, 461 columns, 1746 nonzeros
Variable types: 0 continuous, 461 integer (460 binary)
Found heuristic solution: objective 96.0000000

Root relaxation: objective 0.000000e+00, 264 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  190   96.00000    0.00000   100%     -    0s
H    0     0                      79.0000000    0.00000   100%     -    0s
H    0     0                      69.0000000    0.00000   100%     -    0s
H    0     0                      65.0000000    0.00000   100%     -    0s
     0     0    0.33531    0  192   65.00000    0.33531  99.5%     -    0s
H    0     0                      55.0000000    0.33531  99.4%     -    0s
     0     0    0.92967    0  199   55.00000    0.92967  98.3%     -    0s
H    0     0                      54.0000000    0.92967  98.3%     -    0s
     0     0    0.93005    0  201   54.00000    0.93005  98.3%     -    0s
     0     0    0.93005    0  200   54.00000    0.93005  98.3%     -    0s
H    0     0                      43.0000000    0.93005  97.8%     -    0s
     0     2    0.93041    0  200   43.00000    0.93041  97.8%     -    0s
H   27    27                      38.0000000    1.14614  97.0%  53.7    0s
*   42    37              27      17.0000000    1.14614  93.3%  46.9    0s
*   47    27              29      16.0000000    1.14614  92.8%  48.6    0s

Cutting planes:
  Gomory: 4
  Zero half: 2

Explored 1578 nodes (58273 simplex iterations) in 2.48 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%