Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:10:11 2012

Optimize a model with 97 rows, 89 columns and 329 nonzeros
Presolve removed 0 rows and 1 columns
Presolve time: 0.00s
Presolved: 97 rows, 88 columns, 328 nonzeros
Variable types: 0 continuous, 88 integer (87 binary)
Found heuristic solution: objective 24.0000000

Root relaxation: objective 0.000000e+00, 54 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   39   24.00000    0.00000   100%     -    0s
H    0     0                      22.0000000    0.00000   100%     -    0s
H    0     0                      15.0000000    0.00000   100%     -    0s
H    0     0                      11.0000000    0.00000   100%     -    0s
     0     0    0.50294    0   42   11.00000    0.50294  95.4%     -    0s
     0     0    1.18015    0   42   11.00000    1.18015  89.3%     -    0s
H    0     0                       9.0000000    1.18015  86.9%     -    0s
     0     0    1.27312    0   44    9.00000    1.27312  85.9%     -    0s
     0     0    1.29564    0   47    9.00000    1.29564  85.6%     -    0s
     0     0    1.29564    0   47    9.00000    1.29564  85.6%     -    0s
     0     2    1.30046    0   47    9.00000    1.30046  85.6%     -    0s
*   15     9              10       5.0000000    2.20930  55.8%  14.9    0s

Cutting planes:
  Gomory: 4
  Mod-K: 2

Explored 30 nodes (580 simplex iterations) in 0.03 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 5.000000000000e+00, best bound 5.000000000000e+00, gap 0.0%