Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:12:26 2012

Optimize a model with 133 rows, 121 columns and 451 nonzeros
Presolve removed 0 rows and 4 columns
Presolve time: 0.00s
Presolved: 133 rows, 117 columns, 447 nonzeros
Variable types: 0 continuous, 117 integer (116 binary)
Found heuristic solution: objective 33.0000000

Root relaxation: objective 0.000000e+00, 80 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   50   33.00000    0.00000   100%     -    0s
H    0     0                      25.0000000    0.00000   100%     -    0s
H    0     0                      21.0000000    0.00000   100%     -    0s
H    0     0                      18.0000000    0.00000   100%     -    0s
     0     0    0.32540    0   52   18.00000    0.32540  98.2%     -    0s
     0     0    0.93734    0   53   18.00000    0.93734  94.8%     -    0s
H    0     0                      10.0000000    0.93734  90.6%     -    0s
     0     0    0.98828    0   55   10.00000    0.98828  90.1%     -    0s
     0     0    0.98997    0   55   10.00000    0.98997  90.1%     -    0s
     0     0    0.98997    0   55   10.00000    0.98997  90.1%     -    0s
H    0     0                       9.0000000    0.98997  89.0%     -    0s
     0     2    1.00728    0   55    9.00000    1.00728  88.8%     -    0s
*   10     8               8       8.0000000    2.08413  73.9%  17.9    0s
*   31     7              12       7.0000000    3.90561  44.2%  14.6    0s

Cutting planes:
  Gomory: 3
  Mod-K: 1

Explored 49 nodes (978 simplex iterations) in 0.08 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%