Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:12:13 2012

Optimize a model with 177 rows, 142 columns and 582 nonzeros
Presolve time: 0.00s
Presolved: 177 rows, 142 columns, 582 nonzeros
Variable types: 0 continuous, 142 integer (142 binary)
Found heuristic solution: objective 36.0000000

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   54   36.00000    0.00000   100%     -    0s
H    0     0                      29.0000000    0.00000   100%     -    0s
H    0     0                      25.0000000    0.00000   100%     -    0s
     0     0    0.56250    0   55   25.00000    0.56250  97.8%     -    0s
H    0     0                      17.0000000    0.56250  96.7%     -    0s
     0     0    1.05872    0   58   17.00000    1.05872  93.8%     -    0s
     0     0    1.13886    0   59   17.00000    1.13886  93.3%     -    0s
     0     0    1.25000    0   61   17.00000    1.25000  92.6%     -    0s
     0     0    1.26908    0   62   17.00000    1.26908  92.5%     -    0s
     0     2    1.28906    0   62   17.00000    1.28906  92.4%     -    0s
*   12    12              10      16.0000000    3.13743  80.4%  28.7    0s
*   15     8               8      14.0000000    3.13743  77.6%  25.9    0s
*   27    11               7      12.0000000    3.16367  73.6%  25.6    0s

Cutting planes:
  Gomory: 3
  Zero half: 4

Explored 71 nodes (2109 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%