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

Optimize a model with 171 rows, 144 columns and 569 nonzeros
Presolve removed 0 rows and 2 columns
Presolve time: 0.00s
Presolved: 171 rows, 142 columns, 567 nonzeros
Variable types: 0 continuous, 142 integer (141 binary)
Found heuristic solution: objective 36.0000000

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   56   36.00000    0.00000   100%     -    0s
H    0     0                      31.0000000    0.00000   100%     -    0s
H    0     0                      24.0000000    0.00000   100%     -    0s
     0     0    0.59694    0   57   24.00000    0.59694  97.5%     -    0s
     0     0    1.15389    0   60   24.00000    1.15389  95.2%     -    0s
H    0     0                      16.0000000    1.15389  92.8%     -    0s
     0     0    1.15507    0   61   16.00000    1.15507  92.8%     -    0s
     0     0    1.15507    0   61   16.00000    1.15507  92.8%     -    0s
H    0     0                      15.0000000    1.15507  92.3%     -    0s
     0     2    1.15917    0   61   15.00000    1.15917  92.3%     -    0s
*   16    14              10      12.0000000    2.95990  75.3%  33.7    0s
*   20    12               9      11.0000000    2.95990  73.1%  27.4    0s
*   48    16               8      10.0000000    3.48885  65.1%  23.6    0s

Cutting planes:
  Gomory: 3
  Mod-K: 2

Explored 114 nodes (2681 simplex iterations) in 0.13 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%