Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:09:48 2012

Optimize a model with 93 rows, 83 columns and 313 nonzeros
Presolve removed 0 rows and 1 columns
Presolve time: 0.00s
Presolved: 93 rows, 82 columns, 312 nonzeros
Variable types: 0 continuous, 82 integer (81 binary)
Found heuristic solution: objective 15.0000000

Root relaxation: objective 0.000000e+00, 53 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   35   15.00000    0.00000   100%     -    0s
H    0     0                      13.0000000    0.00000   100%     -    0s
H    0     0                      10.0000000    0.00000   100%     -    0s
     0     0    0.51515    0   37   10.00000    0.51515  94.8%     -    0s
H    0     0                       7.0000000    0.51515  92.6%     -    0s
     0     0    0.93777    0   40    7.00000    0.93777  86.6%     -    0s
     0     0    0.94088    0   40    7.00000    0.94088  86.6%     -    0s
     0     0    0.94088    0   40    7.00000    0.94088  86.6%     -    0s
     0     2    0.94127    0   40    7.00000    0.94127  86.6%     -    0s
*   38    10               9       6.0000000    3.01408  49.8%  14.2    0s

Cutting planes:
  Gomory: 4
  Mod-K: 2

Explored 61 nodes (949 simplex iterations) in 0.05 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%