Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:50:27 2012

Optimize a model with 345 rows, 351 columns and 1211 nonzeros
Presolve removed 0 rows and 19 columns
Presolve time: 0.00s
Presolved: 345 rows, 332 columns, 1192 nonzeros
Variable types: 0 continuous, 332 integer (331 binary)
Found heuristic solution: objective 60.0000000

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  145   60.00000    0.00000   100%     -    0s
H    0     0                      56.0000000    0.00000   100%     -    0s
H    0     0                      48.0000000    0.00000   100%     -    0s
H    0     0                      41.0000000    0.00000   100%     -    0s
     0     0    0.21170    0  147   41.00000    0.21170  99.5%     -    0s
H    0     0                      31.0000000    0.21170  99.3%     -    0s
     0     0    0.78081    0  151   31.00000    0.78081  97.5%     -    0s
H    0     0                      28.0000000    0.78081  97.2%     -    0s
H    0     0                      27.0000000    0.78081  97.1%     -    0s
H    0     0                      19.0000000    0.78081  95.9%     -    0s
     0     2    0.78122    0  151   19.00000    0.78122  95.9%     -    0s
*   26    18              20       7.0000000    1.00000  85.7%  34.9    0s
H  154    11                       6.0000000    1.25072  79.2%  42.1    0s

Cutting planes:
  Gomory: 4
  Zero half: 4

Explored 182 nodes (8401 simplex iterations) in 0.29 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%