Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:19:21 2012

Optimize a model with 175 rows, 149 columns and 584 nonzeros
Presolve removed 0 rows and 3 columns
Presolve time: 0.00s
Presolved: 175 rows, 146 columns, 581 nonzeros
Variable types: 0 continuous, 146 integer (145 binary)
Found heuristic solution: objective 31.0000000

Root relaxation: objective 0.000000e+00, 100 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   58   31.00000    0.00000   100%     -    0s
H    0     0                      24.0000000    0.00000   100%     -    0s
H    0     0                      22.0000000    0.00000   100%     -    0s
     0     0    0.46552    0   59   22.00000    0.46552  97.9%     -    0s
H    0     0                      21.0000000    0.46552  97.8%     -    0s
     0     0    1.06615    0   63   21.00000    1.06615  94.9%     -    0s
     0     0    1.07390    0   63   21.00000    1.07390  94.9%     -    0s
     0     0    1.07390    0   63   21.00000    1.07390  94.9%     -    0s
     0     2    1.08137    0   63   21.00000    1.08137  94.9%     -    0s
*   19    16              14      13.0000000    3.46013  73.4%  21.3    0s
*  101    28              12      12.0000000    6.88889  42.6%  14.1    0s

Cutting planes:
  Gomory: 3
  Zero half: 1

Explored 183 nodes (2977 simplex iterations) in 0.14 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.200000000000e+01, best bound 1.200000000000e+01, gap 0.0%