Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:51:27 2012

Optimize a model with 353 rows, 357 columns and 1237 nonzeros
Presolve removed 0 rows and 23 columns
Presolve time: 0.00s
Presolved: 353 rows, 334 columns, 1214 nonzeros
Variable types: 0 continuous, 334 integer (333 binary)
Found heuristic solution: objective 63.0000000

Root relaxation: objective 0.000000e+00, 218 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  137   63.00000    0.00000   100%     -    0s
H    0     0                      52.0000000    0.00000   100%     -    0s
H    0     0                      47.0000000    0.00000   100%     -    0s
H    0     0                      43.0000000    0.00000   100%     -    0s
     0     0    0.16106    0  139   43.00000    0.16106   100%     -    0s
H    0     0                      37.0000000    0.16106   100%     -    0s
     0     0    0.79379    0  142   37.00000    0.79379  97.9%     -    0s
H    0     0                      29.0000000    0.79379  97.3%     -    0s
     0     0    0.79379    0  142   29.00000    0.79379  97.3%     -    0s
H    0     0                      27.0000000    0.79379  97.1%     -    0s
H    0     0                      18.0000000    0.79379  95.6%     -    0s
     0     2    0.79441    0  142   18.00000    0.79441  95.6%     -    0s
*   23    18              15       6.0000000    1.00000  83.3%  51.7    0s

Cutting planes:
  Gomory: 4
  Zero half: 2

Explored 81 nodes (3559 simplex iterations) in 0.18 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%