Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:45:16 2012

Optimize a model with 243 rows, 167 columns and 772 nonzeros
Presolve time: 0.00s
Presolved: 243 rows, 167 columns, 772 nonzeros
Variable types: 0 continuous, 167 integer (167 binary)
Found heuristic solution: objective 55.0000000

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   46   55.00000    0.00000   100%     -    0s
H    0     0                      54.0000000    0.00000   100%     -    0s
H    0     0                      41.0000000    0.00000   100%     -    0s
     0     0    0.74074    0   50   41.00000    0.74074  98.2%     -    0s
     0     0    0.87952    0   51   41.00000    0.87952  97.9%     -    0s
     0     0    0.90741    0   50   41.00000    0.90741  97.8%     -    0s
     0     0    0.95134    0   52   41.00000    0.95134  97.7%     -    0s
     0     0    0.98175    0   52   41.00000    0.98175  97.6%     -    0s
     0     0    1.00372    0   54   41.00000    1.00372  97.6%     -    0s
     0     0    1.00575    0   55   41.00000    1.00575  97.5%     -    0s
     0     0    1.00575    0   55   41.00000    1.00575  97.5%     -    0s
H    0     0                      36.0000000    1.00575  97.2%     -    0s
H    0     0                      35.0000000    1.00575  97.1%     -    0s
     0     2    1.03947    0   55   35.00000    1.03947  97.0%     -    0s
*   20    20              11      30.0000000    4.72778  84.2%  35.4    0s
*  403   120              11      29.0000000   16.65517  42.6%  19.5    0s

Cutting planes:
  Gomory: 1
  Zero half: 5
  Mod-K: 1

Explored 1237 nodes (21667 simplex iterations) in 0.53 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.900000000000e+01, best bound 2.900000000000e+01, gap 0.0%