Gurobi 5.0.1 (linux64) logging started Sun Nov 18 00:04:38 2012

Optimize a model with 251 rows, 175 columns and 800 nonzeros
Presolve removed 0 rows and 1 columns
Presolve time: 0.00s
Presolved: 251 rows, 174 columns, 799 nonzeros
Variable types: 0 continuous, 174 integer (173 binary)
Found heuristic solution: objective 45.0000000

Root relaxation: objective 0.000000e+00, 69 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   48   45.00000    0.00000   100%     -    0s
     0     0    0.50095    0   49   45.00000    0.50095  98.9%     -    0s
H    0     0                      42.0000000    0.50095  98.8%     -    0s
     0     0    1.08474    0   51   42.00000    1.08474  97.4%     -    0s
H    0     0                      41.0000000    1.08474  97.4%     -    0s
     0     0    1.44647    0   52   41.00000    1.44647  96.5%     -    0s
     0     0    1.45670    0   53   41.00000    1.45670  96.4%     -    0s
     0     2    1.46114    0   53   41.00000    1.46114  96.4%     -    0s
H   27    27                      34.0000000    3.77865  88.9%  28.9    0s
*   28    20              18      33.0000000    3.77865  88.5%  29.4    0s
*   51    31              16      30.0000000    3.77940  87.4%  31.6    0s
*   73    38              12      29.0000000    7.25542  75.0%  29.8    0s
*  127    74              10      28.0000000   10.83034  61.3%  31.1    0s
*  147    82              11      27.0000000   10.84801  59.8%  30.4    0s
*  209    73               8      26.0000000   11.96332  54.0%  26.6    0s

Cutting planes:
  Gomory: 4
  Zero half: 1

Explored 567 nodes (12011 simplex iterations) in 0.37 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.600000000000e+01, best bound 2.600000000000e+01, gap 0.0%