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

Optimize a model with 171 rows, 146 columns and 571 nonzeros
Presolve removed 0 rows and 3 columns
Presolve time: 0.00s
Presolved: 171 rows, 143 columns, 568 nonzeros
Variable types: 0 continuous, 143 integer (142 binary)
Found heuristic solution: objective 35.0000000

Root relaxation: objective 0.000000e+00, 97 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   57   35.00000    0.00000   100%     -    0s
H    0     0                      25.0000000    0.00000   100%     -    0s
     0     0    0.31837    0   59   25.00000    0.31837  98.7%     -    0s
H    0     0                      22.0000000    0.31837  98.6%     -    0s
     0     0    0.93469    0   60   22.00000    0.93469  95.8%     -    0s
     0     0    0.93947    0   61   22.00000    0.93947  95.7%     -    0s
H    0     0                      19.0000000    0.93947  95.1%     -    0s
H    0     0                      16.0000000    0.93947  94.1%     -    0s
H    0     0                      14.0000000    0.93947  93.3%     -    0s
     0     2    0.94710    0   61   14.00000    0.94710  93.2%     -    0s
*   19    17              15      13.0000000    2.53661  80.5%  15.2    0s
*   32    17              10      10.0000000    4.22961  57.7%  16.1    0s
*   41    11               6       9.0000000    4.72262  47.5%  15.0    0s

Cutting planes:
  Gomory: 4
  Mod-K: 1

Explored 87 nodes (1869 simplex iterations) in 0.12 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 9.000000000000e+00, best bound 9.000000000000e+00, gap 0.0%