Gurobi 5.0.1 (linux64) logging started Sun Nov 18 06:07:20 2012

Optimize a model with 477 rows, 442 columns and 1632 nonzeros
Presolve removed 0 rows and 16 columns
Presolve time: 0.00s
Presolved: 477 rows, 426 columns, 1616 nonzeros
Variable types: 0 continuous, 426 integer (425 binary)
Found heuristic solution: objective 92.0000000

Root relaxation: objective 0.000000e+00, 246 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  182   92.00000    0.00000   100%     -    0s
H    0     0                      73.0000000    0.00000   100%     -    0s
H    0     0                      64.0000000    0.00000   100%     -    0s
H    0     0                      60.0000000    0.00000   100%     -    0s
     0     0    0.34399    0  184   60.00000    0.34399  99.4%     -    0s
H    0     0                      50.0000000    0.34399  99.3%     -    0s
     0     0    0.87691    0  187   50.00000    0.87691  98.2%     -    0s
H    0     0                      47.0000000    0.87691  98.1%     -    0s
H    0     0                      40.0000000    0.87691  97.8%     -    0s
     0     0    0.87694    0  190   40.00000    0.87694  97.8%     -    0s
H    0     0                      38.0000000    0.87694  97.7%     -    0s
     0     2    0.87954    0  190   38.00000    0.87954  97.7%     -    0s
H   27    27                      34.0000000    1.00000  97.1%  37.0    0s
*   49    35              28      19.0000000    1.00000  94.7%  27.1    0s
H   72    37                      15.0000000    2.09198  86.1%  29.0    0s

Cutting planes:
  Gomory: 4
  Mod-K: 1

Explored 610 nodes (19974 simplex iterations) in 0.82 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%