Gurobi 5.0.1 (linux64) logging started Sun Nov 18 06:32:37 2012

Optimize a model with 495 rows, 465 columns and 1700 nonzeros
Presolve removed 0 rows and 17 columns
Presolve time: 0.00s
Presolved: 495 rows, 448 columns, 1683 nonzeros
Variable types: 0 continuous, 448 integer (447 binary)
Found heuristic solution: objective 95.0000000

Root relaxation: objective 0.000000e+00, 263 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  196   95.00000    0.00000   100%     -    0s
H    0     0                      61.0000000    0.00000   100%     -    0s
     0     0    0.28725    0  198   61.00000    0.28725   100%     -    0s
H    0     0                      43.0000000    0.28725  99.3%     -    0s
     0     0    0.69757    0  201   43.00000    0.69757  98.4%     -    0s
H    0     0                      29.0000000    0.69757  97.6%     -    0s
     0     0    0.69852    0  201   29.00000    0.69852  97.6%     -    0s
     0     0    0.69852    0  201   29.00000    0.69852  97.6%     -    0s
     0     2    0.80099    0  201   29.00000    0.80099  97.2%     -    0s
H   27    27                      27.0000000    1.00000  96.3%  30.1    0s
*   47    42              27      18.0000000    1.00000  94.4%  24.6    0s
*   83    63              20      17.0000000    3.03937  82.1%  24.9    0s
*  145    60              20      14.0000000    3.26452  76.7%  26.0    0s
*  292    48              13      12.0000000    6.00000  50.0%  30.9    0s

Cutting planes:
  Gomory: 2
  Zero half: 1

Explored 390 nodes (13182 simplex iterations) in 0.53 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%