Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:23:39 2012

Optimize a model with 221 rows, 249 columns and 799 nonzeros
Presolve removed 0 rows and 25 columns
Presolve time: 0.00s
Presolved: 221 rows, 224 columns, 774 nonzeros
Variable types: 0 continuous, 224 integer (223 binary)
Found heuristic solution: objective 39.0000000

Root relaxation: objective 0.000000e+00, 149 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   90   39.00000    0.00000   100%     -    0s
H    0     0                      25.0000000    0.00000   100%     -    0s
H    0     0                      24.0000000    0.00000   100%     -    0s
H    0     0                      19.0000000    0.00000   100%     -    0s
     0     0    0.00055    0   93   19.00000    0.00055   100%     -    0s
H    0     0                      16.0000000    0.00055   100%     -    0s
H    0     0                      12.0000000    0.00055   100%     -    0s
     0     0    0.50608    0   95   12.00000    0.50608  95.8%     -    0s
H    0     0                       7.0000000    0.50608  92.8%     -    0s
     0     0    0.50616    0   98    7.00000    0.50616  92.8%     -    0s
     0     0    0.50616    0   97    7.00000    0.50616  92.8%     -    0s
H    0     0                       6.0000000    0.50616  91.6%     -    0s
H    0     0                       3.0000000    0.50616  83.1%     -    0s
     0     2    0.52182    0   97    3.00000    0.52182  82.6%     -    0s

Cutting planes:
  Gomory: 3
  Zero half: 1

Explored 17 nodes (1254 simplex iterations) in 0.16 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.000000000000e+00, best bound 3.000000000000e+00, gap 0.0%