Gurobi 5.0.1 (linux64) logging started Tue Nov 20 07:54:43 2012

Optimize a model with 1320 rows, 156 columns and 2640 nonzeros
Presolve removed 582 rows and 0 columns
Presolve time: 0.01s
Presolved: 738 rows, 156 columns, 2081 nonzeros
Variable types: 0 continuous, 156 integer (156 binary)
Found heuristic solution: objective 29.0000000

Root relaxation: objective 4.778402e+01, 461 iterations, 0.02 seconds

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

     0     0   47.78402    0  153   29.00000   47.78402  64.8%     -    0s
     0     0   47.46332    0  154   29.00000   47.46332  63.7%     -    0s
     0     0   47.35224    0  154   29.00000   47.35224  63.3%     -    0s
     0     0   47.29810    0  153   29.00000   47.29810  63.1%     -    0s
     0     0   47.24494    0  154   29.00000   47.24494  62.9%     -    0s
H    0     0                      30.0000000   47.24494  57.5%     -    0s
     0     0   47.23623    0  154   30.00000   47.23623  57.5%     -    0s
     0     0   47.23623    0  154   30.00000   47.23623  57.5%     -    0s
H    0     0                      33.0000000   47.23623  43.1%     -    0s
     0     2   47.23360    0  154   33.00000   47.23360  43.1%     -    0s
H   27    20                      35.0000000   46.92058  34.1%   101    0s
  1516   575   41.28773   25  123   35.00000   43.00061  22.9%  54.9    5s
H 3189  1191                      36.0000000   41.43358  15.1%  47.0    8s
  3844  1357   39.34483   23  100   36.00000   41.02275  14.0%  45.6   10s
  6792  1711   38.57302   25  105   36.00000   39.66667  10.2%  41.8   15s
 10502  1245     cutoff   26        36.00000   38.45701  6.83%  38.7   20s

Explored 12838 nodes (466003 simplex iterations) in 22.08 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%