Gurobi 5.0.1 (linux64) logging started Sat Nov 17 19:52:35 2012

Optimize a model with 123 rows, 76 columns and 381 nonzeros
Presolve time: 0.00s
Presolved: 123 rows, 76 columns, 381 nonzeros
Variable types: 0 continuous, 76 integer (76 binary)
Found heuristic solution: objective 34.0000000

Root relaxation: objective 0.000000e+00, 23 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   15   34.00000    0.00000   100%     -    0s
H    0     0                      30.0000000    0.00000   100%     -    0s
     0     0    0.90667    0   17   30.00000    0.90667  97.0%     -    0s
     0     0    0.97447    0   27   30.00000    0.97447  96.8%     -    0s
     0     0    1.12000    0   18   30.00000    1.12000  96.3%     -    0s
     0     0    1.21905    0   39   30.00000    1.21905  95.9%     -    0s
     0     0    1.43166    0   39   30.00000    1.43166  95.2%     -    0s
     0     0    1.45462    0   42   30.00000    1.45462  95.2%     -    0s
H    0     0                      29.0000000    1.45462  95.0%     -    0s
     0     0    1.47244    0   34   29.00000    1.47244  94.9%     -    0s
     0     0    1.49071    0   42   29.00000    1.49071  94.9%     -    0s
     0     0    1.49071    0   42   29.00000    1.49071  94.9%     -    0s
     0     2    1.54783    0   42   29.00000    1.54783  94.7%     -    0s
*   13    13               7      24.0000000    6.25000  74.0%  21.5    0s
*   64    10               7      23.0000000   12.36364  46.2%  10.8    0s

Cutting planes:
  Gomory: 1
  Zero half: 15

Explored 120 nodes (1289 simplex iterations) in 0.04 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.300000000000e+01, best bound 2.300000000000e+01, gap 0.0%