Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:28:15 2012

Optimize a model with 257 rows, 283 columns and 923 nonzeros
Presolve removed 0 rows and 27 columns
Presolve time: 0.00s
Presolved: 257 rows, 256 columns, 896 nonzeros
Variable types: 0 continuous, 256 integer (255 binary)
Found heuristic solution: objective 43.0000000

Root relaxation: objective 0.000000e+00, 167 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  102   43.00000    0.00000   100%     -    0s
H    0     0                      35.0000000    0.00000   100%     -    0s
H    0     0                      33.0000000    0.00000   100%     -    0s
H    0     0                      30.0000000    0.00000   100%     -    0s
     0     0    0.01946    0  105   30.00000    0.01946   100%     -    0s
H    0     0                      25.0000000    0.01946   100%     -    0s
H    0     0                      22.0000000    0.01946   100%     -    0s
     0     0    0.64560    0  112   22.00000    0.64560  97.1%     -    0s
H    0     0                      21.0000000    0.64560  96.9%     -    0s
     0     0    0.64560    0  112   21.00000    0.64560  96.9%     -    0s
H    0     0                      17.0000000    0.64560  96.2%     -    0s
H    0     0                       7.0000000    0.64560  90.8%     -    0s
H    0     0                       5.0000000    0.64560  87.1%     -    0s
H    0     0                       4.0000000    0.64560  83.9%     -    0s
     0     2    0.64609    0  112    4.00000    0.64609  83.8%     -    0s
H   27    17                       3.0000000    1.00000  66.7%  30.4    0s

Cutting planes:
  Gomory: 4
  Zero half: 1

Explored 83 nodes (3518 simplex iterations) in 0.12 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%