Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:11:36 2012

Optimize a model with 135 rows, 118 columns and 453 nonzeros
Presolve removed 0 rows and 1 columns
Presolve time: 0.00s
Presolved: 135 rows, 117 columns, 452 nonzeros
Variable types: 0 continuous, 117 integer (116 binary)
Found heuristic solution: objective 30.0000000

Root relaxation: objective 0.000000e+00, 79 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   49   30.00000    0.00000   100%     -    0s
H    0     0                      22.0000000    0.00000   100%     -    0s
H    0     0                      19.0000000    0.00000   100%     -    0s
     0     0    0.53644    0   50   19.00000    0.53644  97.2%     -    0s
H    0     0                      15.0000000    0.53644  96.4%     -    0s
H    0     0                      12.0000000    0.53644  95.5%     -    0s
     0     0    1.25926    0   52   12.00000    1.25926  89.5%     -    0s
H    0     0                      11.0000000    1.25926  88.6%     -    0s
     0     0    1.46558    0   54   11.00000    1.46558  86.7%     -    0s
     0     0    1.46558    0   54   11.00000    1.46558  86.7%     -    0s
     0     2    1.47184    0   54   11.00000    1.47184  86.6%     -    0s
*   20    18              13      10.0000000    3.29750  67.0%  16.8    0s
*   49    18               8       7.0000000    4.38776  37.3%  15.1    0s

Cutting planes:
  Gomory: 4
  Zero half: 1

Explored 78 nodes (1458 simplex iterations) in 0.09 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%