Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:50:25 2012

Optimize a model with 323 rows, 340 columns and 1145 nonzeros
Presolve removed 0 rows and 31 columns
Presolve time: 0.00s
Presolved: 323 rows, 309 columns, 1114 nonzeros
Variable types: 0 continuous, 309 integer (308 binary)
Found heuristic solution: objective 48.0000000

Root relaxation: objective 0.000000e+00, 202 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  132   48.00000    0.00000   100%     -    0s
H    0     0                      32.0000000    0.00000   100%     -    0s
H    0     0                      29.0000000    0.00000   100%     -    0s
     0     0    0.15971    0  134   29.00000    0.15971  99.4%     -    0s
H    0     0                      25.0000000    0.15971  99.4%     -    0s
H    0     0                      21.0000000    0.15971  99.2%     -    0s
     0     0    0.76286    0  138   21.00000    0.76286  96.4%     -    0s
H    0     0                      17.0000000    0.76286  95.5%     -    0s
     0     0    0.76286    0  138   17.00000    0.76286  95.5%     -    0s
     0     2    0.76289    0  138   17.00000    0.76289  95.5%     -    0s
H   27    22                       6.0000000    1.00000  83.3%  47.7    0s

Cutting planes:
  Gomory: 4
  Zero half: 1

Explored 129 nodes (6209 simplex iterations) in 0.22 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%