Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:51:54 2012

Optimize a model with 343 rows, 353 columns and 1208 nonzeros
Presolve removed 0 rows and 24 columns
Presolve time: 0.00s
Presolved: 343 rows, 329 columns, 1184 nonzeros
Variable types: 0 continuous, 329 integer (328 binary)
Found heuristic solution: objective 61.0000000

Root relaxation: objective 0.000000e+00, 199 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  139   61.00000    0.00000   100%     -    0s
H    0     0                      55.0000000    0.00000   100%     -    0s
H    0     0                      44.0000000    0.00000   100%     -    0s
H    0     0                      39.0000000    0.00000   100%     -    0s
     0     0    0.19469    0  141   39.00000    0.19469   100%     -    0s
H    0     0                      31.0000000    0.19469  99.4%     -    0s
     0     0    0.80414    0  150   31.00000    0.80414  97.4%     -    0s
H    0     0                      22.0000000    0.80414  96.3%     -    0s
     0     0    0.80414    0  154   22.00000    0.80414  96.3%     -    0s
     0     0    0.80414    0  152   22.00000    0.80414  96.3%     -    0s
H    0     0                      18.0000000    0.80414  95.5%     -    0s
     0     2    0.81249    0  152   18.00000    0.81249  95.5%     -    0s
*   21    15              15       6.0000000    1.00000  83.3%  29.0    0s

Cutting planes:
  Gomory: 3
  Zero half: 8
  Mod-K: 1

Explored 122 nodes (5029 simplex iterations) in 0.23 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 6.000000000000e+00, best bound 6.000000000000e+00, gap 0.0%