Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:19:44 2012

Optimize a model with 173 rows, 149 columns and 579 nonzeros
Presolve removed 0 rows and 4 columns
Presolve time: 0.00s
Presolved: 173 rows, 145 columns, 575 nonzeros
Variable types: 0 continuous, 145 integer (144 binary)
Found heuristic solution: objective 33.0000000

Root relaxation: objective 0.000000e+00, 77 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   33.00000    0.00000   100%     -    0s
H    0     0                      26.0000000    0.00000   100%     -    0s
H    0     0                      23.0000000    0.00000   100%     -    0s
     0     0    0.46337    0   60   23.00000    0.46337  98.0%     -    0s
     0     0    1.03718    0   61   23.00000    1.03718  95.5%     -    0s
H    0     0                      21.0000000    1.03718  95.1%     -    0s
     0     0    1.21514    0   64   21.00000    1.21514  94.2%     -    0s
     0     0    1.21571    0   64   21.00000    1.21571  94.2%     -    0s
     0     0    1.21571    0   64   21.00000    1.21571  94.2%     -    0s
     0     2    1.22927    0   64   21.00000    1.22927  94.1%     -    0s
*   21    18              14      12.0000000    2.64873  77.9%  23.1    0s
*   32    17               7      10.0000000    2.69135  73.1%  21.0    0s

Cutting planes:
  Gomory: 4
  Zero half: 1
  Mod-K: 1

Explored 126 nodes (2590 simplex iterations) in 0.14 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.000000000000e+01, best bound 1.000000000000e+01, gap 0.0%