Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:13:28 2012

Optimize a model with 205 rows, 161 columns and 671 nonzeros
Presolve time: 0.00s
Presolved: 205 rows, 161 columns, 671 nonzeros
Variable types: 0 continuous, 161 integer (161 binary)
Found heuristic solution: objective 45.0000000

Root relaxation: objective 0.000000e+00, 96 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   45.00000    0.00000   100%     -    0s
H    0     0                      27.0000000    0.00000   100%     -    0s
     0     0    0.63636    0   59   27.00000    0.63636  97.6%     -    0s
     0     0    1.00000    0   62   27.00000    1.00000  96.3%     -    0s
H    0     0                      24.0000000    1.00000  95.8%     -    0s
     0     0    1.00000    0   60   24.00000    1.00000  95.8%     -    0s
     0     2    1.00000    0   58   24.00000    1.00000  95.8%     -    0s
*   34    26              22      17.0000000    2.64167  84.5%  23.9    0s
H   54    33                      15.0000000    3.80682  74.6%  21.6    0s
*   59    30              13      14.0000000    3.80682  72.8%  21.6    0s
*  117    45              12      13.0000000    7.80059  40.0%  19.8    0s

Cutting planes:
  Gomory: 3
  Zero half: 1

Explored 265 nodes (4451 simplex iterations) in 0.18 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.300000000000e+01, best bound 1.300000000000e+01, gap 0.0%