Gurobi 5.0.1 (linux64) logging started Sun Nov 18 06:17:42 2012

Optimize a model with 437 rows, 430 columns and 1520 nonzeros
Presolve removed 0 rows and 29 columns
Presolve time: 0.00s
Presolved: 437 rows, 401 columns, 1491 nonzeros
Variable types: 0 continuous, 401 integer (400 binary)
Found heuristic solution: objective 70.0000000

Root relaxation: objective 0.000000e+00, 249 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  166   70.00000    0.00000   100%     -    0s
H    0     0                      62.0000000    0.00000   100%     -    0s
H    0     0                      61.0000000    0.00000   100%     -    0s
H    0     0                      60.0000000    0.00000   100%     -    0s
H    0     0                      52.0000000    0.00000   100%     -    0s
     0     0    0.22795    0  168   52.00000    0.22795   100%     -    0s
H    0     0                      47.0000000    0.22795   100%     -    0s
     0     0    0.77053    0  169   47.00000    0.77053  98.4%     -    0s
H    0     0                      41.0000000    0.77053  98.1%     -    0s
     0     0    0.77091    0  171   41.00000    0.77091  98.1%     -    0s
     0     0    0.77091    0  171   41.00000    0.77091  98.1%     -    0s
     0     2    0.78580    0  170   41.00000    0.78580  98.1%     -    0s
H   27    27                      15.0000000    1.00000  93.3%  34.7    0s
*   50    35              35      14.0000000    1.00000  92.9%  23.3    0s
H  152    32                       8.0000000    1.00000  87.5%  20.9    0s

Cutting planes:
  Gomory: 3
  Mod-K: 1

Explored 455 nodes (14497 simplex iterations) in 0.57 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%