Gurobi 5.0.1 (linux64) logging started Sun Nov 18 06:17:44 2012

Optimize a model with 481 rows, 452 columns and 1652 nonzeros
Presolve removed 0 rows and 15 columns
Presolve time: 0.00s
Presolved: 481 rows, 437 columns, 1637 nonzeros
Variable types: 0 continuous, 437 integer (436 binary)
Found heuristic solution: objective 112.0000000

Root relaxation: objective 0.000000e+00, 233 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  193  112.00000    0.00000   100%     -    0s
H    0     0                      72.0000000    0.00000   100%     -    0s
H    0     0                      70.0000000    0.00000   100%     -    0s
     0     0    0.29366    0  195   70.00000    0.29366   100%     -    0s
H    0     0                      48.0000000    0.29366  99.4%     -    0s
     0     0    0.83562    0  197   48.00000    0.83562  98.3%     -    0s
H    0     0                      36.0000000    0.83562  97.7%     -    0s
     0     0    0.83666    0  198   36.00000    0.83666  97.7%     -    0s
     0     0    0.83666    0  198   36.00000    0.83666  97.7%     -    0s
H    0     0                      33.0000000    0.83666  97.5%     -    0s
     0     2    0.83724    0  198   33.00000    0.83724  97.5%     -    0s
H   27    27                      17.0000000    1.00000  94.1%  51.3    0s
H   54    22                      13.0000000    1.00000  92.3%  31.9    0s
H  108    39                      12.0000000    1.00000  91.7%  33.8    0s

Cutting planes:
  Gomory: 3
  Zero half: 2

Explored 483 nodes (19007 simplex iterations) in 0.76 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.200000000000e+01, best bound 1.200000000000e+01, gap 0.0%