Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:39:56 2012

Optimize a model with 347 rows, 344 columns and 1209 nonzeros
Presolve removed 0 rows and 19 columns
Presolve time: 0.00s
Presolved: 347 rows, 325 columns, 1190 nonzeros
Variable types: 0 continuous, 325 integer (324 binary)
Found heuristic solution: objective 70.0000000

Root relaxation: objective 0.000000e+00, 212 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  149   70.00000    0.00000   100%     -    0s
H    0     0                      53.0000000    0.00000   100%     -    0s
H    0     0                      50.0000000    0.00000   100%     -    0s
H    0     0                      46.0000000    0.00000   100%     -    0s
     0     0    0.41218    0  150   46.00000    0.41218  99.1%     -    0s
H    0     0                      36.0000000    0.41218  98.9%     -    0s
H    0     0                      31.0000000    0.41218  98.7%     -    0s
     0     0    1.00000    0  154   31.00000    1.00000  96.8%     -    0s
H    0     0                      27.0000000    1.00000  96.3%     -    0s
     0     0    1.00000    0  155   27.00000    1.00000  96.3%     -    0s
     0     0    1.00000    0  151   27.00000    1.00000  96.3%     -    0s
H    0     0                      25.0000000    1.00000  96.0%     -    0s
H    0     0                      23.0000000    1.00000  95.7%     -    0s
     0     2    1.00000    0  149   23.00000    1.00000  95.7%     -    0s
*   42    23              24       8.0000000    1.27266  84.1%  34.8    0s

Cutting planes:
  Gomory: 3
  Zero half: 1

Explored 174 nodes (7061 simplex iterations) in 0.27 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 8.000000000000e+00, best bound 8.000000000000e+00, gap 0.0%