Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:38:40 2012

Optimize a model with 95 rows, 78 columns and 313 nonzeros
Presolve removed 0 rows and 1 columns
Presolve time: 0.00s
Presolved: 95 rows, 77 columns, 312 nonzeros
Variable types: 0 continuous, 77 integer (76 binary)
Found heuristic solution: objective 14.0000000

Root relaxation: objective 0.000000e+00, 41 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   29   14.00000    0.00000   100%     -    0s
H    0     0                      13.0000000    0.00000   100%     -    0s
     0     0    0.57053    0   30   13.00000    0.57053  95.6%     -    0s
     0     0    1.07630    0   32   13.00000    1.07630  91.7%     -    0s
H    0     0                      11.0000000    1.07630  90.2%     -    0s
     0     0    1.27548    0   33   11.00000    1.27548  88.4%     -    0s
     0     0    1.28882    0   34   11.00000    1.28882  88.3%     -    0s
     0     0    1.28882    0   34   11.00000    1.28882  88.3%     -    0s
     0     2    1.29807    0   34   11.00000    1.29807  88.2%     -    0s
*   12    12               8       9.0000000    3.57559  60.3%  15.5    0s
*   23    12               7       8.0000000    3.60562  54.9%  12.4    0s
*   31     9               5       7.0000000    3.72377  46.8%  12.1    0s

Cutting planes:
  Gomory: 4
  Zero half: 1
  Mod-K: 1

Explored 43 nodes (631 simplex iterations) in 0.04 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 7.000000000000e+00, best bound 7.000000000000e+00, gap 0.0%