Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:19:04 2012

Optimize a model with 195 rows, 158 columns and 643 nonzeros
Presolve time: 0.00s
Presolved: 195 rows, 158 columns, 643 nonzeros
Variable types: 0 continuous, 158 integer (158 binary)
Found heuristic solution: objective 44.0000000

Root relaxation: objective 0.000000e+00, 89 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   60   44.00000    0.00000   100%     -    0s
H    0     0                      27.0000000    0.00000   100%     -    0s
H    0     0                      25.0000000    0.00000   100%     -    0s
H    0     0                      24.0000000    0.00000   100%     -    0s
     0     0    0.64492    0   62   24.00000    0.64492  97.3%     -    0s
H    0     0                      23.0000000    0.64492  97.2%     -    0s
     0     0    0.64492    0   62   23.00000    0.64492  97.2%     -    0s
H    0     0                      21.0000000    0.64492  96.9%     -    0s
H    0     0                      20.0000000    0.64492  96.8%     -    0s
     0     2    0.66667    0   62   20.00000    0.66667  96.7%     -    0s
*   27    26              16      17.0000000    3.23420  81.0%  21.5    0s
*   41    24              10      13.0000000    3.27257  74.8%  20.3    0s
*  116    19              10      12.0000000    6.70123  44.2%  19.7    0s

Cutting planes:
  Gomory: 1
  Zero half: 1

Explored 185 nodes (3323 simplex iterations) in 0.13 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%