Gurobi 5.0.1 (linux64) logging started Tue Nov 20 06:51:16 2012

Optimize a model with 1054 rows, 146 columns and 2108 nonzeros
Presolve removed 432 rows and 0 columns
Presolve time: 0.01s
Presolved: 622 rows, 146 columns, 1643 nonzeros
Variable types: 0 continuous, 146 integer (146 binary)
Found heuristic solution: objective 30.0000000

Root relaxation: objective 4.777249e+01, 412 iterations, 0.01 seconds

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

     0     0   47.77249    0  146   30.00000   47.77249  59.2%     -    0s
H    0     0                      35.0000000   47.77249  36.5%     -    0s
     0     0   47.35160    0  145   35.00000   47.35160  35.3%     -    0s
     0     0   47.20116    0  146   35.00000   47.20116  34.9%     -    0s
     0     0   47.14863    0  146   35.00000   47.14863  34.7%     -    0s
     0     0   47.10246    0  146   35.00000   47.10246  34.6%     -    0s
     0     0   47.06048    0  146   35.00000   47.06048  34.5%     -    0s
     0     0   47.04509    0  146   35.00000   47.04509  34.4%     -    0s
     0     0   47.03727    0  146   35.00000   47.03727  34.4%     -    0s
     0     2   47.03577    0  146   35.00000   47.03577  34.4%     -    0s
H  299   119                      36.0000000   44.56735  23.8%  48.1    0s
  2181   806     cutoff   35        36.00000   42.01378  16.7%  42.6    5s
  5922  1784   39.05882   24   94   36.00000   40.23649  11.8%  35.3   10s
 10852  2013   37.75000   31   94   36.00000   39.10526  8.63%  31.9   15s
 17235   435   37.25926   42   91   36.00000   37.75000  4.86%  29.3   20s

Explored 17896 nodes (514431 simplex iterations) in 20.30 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.600000000000e+01, best bound 3.600000000000e+01, gap 0.0%