Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:45:15 2012

Optimize a model with 229 rows, 160 columns and 730 nonzeros
Presolve time: 0.00s
Presolved: 229 rows, 160 columns, 730 nonzeros
Variable types: 0 continuous, 160 integer (160 binary)
Found heuristic solution: objective 57.0000000

Root relaxation: objective 0.000000e+00, 86 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   46   57.00000    0.00000   100%     -    0s
H    0     0                      49.0000000    0.00000   100%     -    0s
H    0     0                      39.0000000    0.00000   100%     -    0s
     0     0    0.97059    0   48   39.00000    0.97059  97.5%     -    0s
     0     0    1.02941    0   48   39.00000    1.02941  97.4%     -    0s
     0     0    1.05882    0   48   39.00000    1.05882  97.3%     -    0s
     0     0    1.08824    0   48   39.00000    1.08824  97.2%     -    0s
     0     0    1.11765    0   48   39.00000    1.11765  97.1%     -    0s
     0     0    1.11765    0   48   39.00000    1.11765  97.1%     -    0s
     0     0    1.11765    0   48   39.00000    1.11765  97.1%     -    0s
H    0     0                      35.0000000    1.11765  96.8%     -    0s
     0     2    1.23018    0   48   35.00000    1.23018  96.5%     -    0s
H   27    27                      29.0000000    5.96721  79.4%  23.3    0s
*   29    27              19      28.0000000    5.96721  78.7%  22.2    0s
*   56    36              14      27.0000000    6.00000  77.8%  19.7    0s
*  323    79               9      25.0000000   15.76471  36.9%  18.4    0s

Cutting planes:
  Gomory: 1
  Zero half: 6

Explored 657 nodes (11214 simplex iterations) in 0.35 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.500000000000e+01, best bound 2.500000000000e+01, gap 0.0%