Gurobi 5.0.1 (linux64) logging started Tue Nov 20 05:49:23 2012

Optimize a model with 516 rows, 102 columns and 1032 nonzeros
Presolve removed 184 rows and 0 columns
Presolve time: 0.00s
Presolved: 332 rows, 102 columns, 811 nonzeros
Variable types: 0 continuous, 102 integer (102 binary)
Found heuristic solution: objective 26.0000000

Root relaxation: objective 3.620732e+01, 219 iterations, 0.00 seconds

    Nodes    |    Current Node    |     Objective Bounds      |     Work
 Expl Unexpl |  Obj  Depth IntInf | Incumbent    BestBd   Gap | It/Node Time

     0     0   36.20732    0   98   26.00000   36.20732  39.3%     -    0s
H    0     0                      27.0000000   36.20732  34.1%     -    0s
     0     0   35.71043    0  100   27.00000   35.71043  32.3%     -    0s
     0     0   35.47634    0   98   27.00000   35.47634  31.4%     -    0s
     0     0   35.17819    0   99   27.00000   35.17819  30.3%     -    0s
     0     0   34.97808    0   97   27.00000   34.97808  29.5%     -    0s
     0     0   34.80628    0   96   27.00000   34.80628  28.9%     -    0s
H    0     0                      28.0000000   34.80628  24.3%     -    0s
     0     0   34.71082    0   99   28.00000   34.71082  24.0%     -    0s
     0     0   34.66996    0   99   28.00000   34.66996  23.8%     -    0s
     0     0   34.65087    0  100   28.00000   34.65087  23.8%     -    0s
     0     0   34.64183    0  100   28.00000   34.64183  23.7%     -    0s
     0     0   34.64183    0  100   28.00000   34.64183  23.7%     -    0s
     0     2   34.63550    0  100   28.00000   34.63550  23.7%     -    0s
H  139    46                      29.0000000   33.37500  15.1%  23.0    0s
*  264    51              20      30.0000000   32.82258  9.41%  21.0    0s

Cutting planes:
  Zero half: 46

Explored 482 nodes (10003 simplex iterations) in 0.35 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.000000000000e+01, best bound 3.000000000000e+01, gap 0.0%