Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:13:46 2012

Optimize a model with 209 rows, 164 columns and 684 nonzeros
Presolve removed 0 rows and 1 columns
Presolve time: 0.00s
Presolved: 209 rows, 163 columns, 683 nonzeros
Variable types: 0 continuous, 163 integer (162 binary)
Found heuristic solution: objective 42.0000000

Root relaxation: objective 0.000000e+00, 101 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   42.00000    0.00000   100%     -    0s
H    0     0                      41.0000000    0.00000   100%     -    0s
H    0     0                      40.0000000    0.00000   100%     -    0s
     0     0    0.48276    0   59   40.00000    0.48276  98.8%     -    0s
H    0     0                      30.0000000    0.48276  98.4%     -    0s
     0     0    1.15122    0   61   30.00000    1.15122  96.2%     -    0s
H    0     0                      26.0000000    1.15122  95.6%     -    0s
     0     0    1.40771    0   63   26.00000    1.40771  94.6%     -    0s
     0     0    1.41018    0   64   26.00000    1.41018  94.6%     -    0s
     0     2    1.41995    0   64   26.00000    1.41995  94.5%     -    0s
*   25    25              14      21.0000000    3.67974  82.5%  30.2    0s
*   33    22              18      20.0000000    3.67974  81.6%  23.9    0s
*   55    33              16      16.0000000    3.69821  76.9%  22.9    0s
*   59    25              15      15.0000000    3.69821  75.3%  21.5    0s

Cutting planes:
  Gomory: 4
  Mod-K: 2

Explored 525 nodes (8387 simplex iterations) in 0.31 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.500000000000e+01, best bound 1.500000000000e+01, gap 0.0%