Gurobi 5.0.1 (linux64) logging started Tue Nov 20 06:10:16 2012

Optimize a model with 882 rows, 132 columns and 1764 nonzeros
Presolve removed 359 rows and 0 columns
Presolve time: 0.01s
Presolved: 523 rows, 132 columns, 1384 nonzeros
Variable types: 0 continuous, 132 integer (132 binary)
Found heuristic solution: objective 28.0000000

Root relaxation: objective 4.450447e+01, 393 iterations, 0.01 seconds

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

     0     0   44.50447    0  131   28.00000   44.50447  58.9%     -    0s
H    0     0                      33.0000000   44.50447  34.9%     -    0s
H    0     0                      34.0000000   44.50447  30.9%     -    0s
     0     0   44.17129    0  131   34.00000   44.17129  29.9%     -    0s
     0     0   44.10289    0  130   34.00000   44.10289  29.7%     -    0s
     0     0   44.00590    0  131   34.00000   44.00590  29.4%     -    0s
     0     0   43.85433    0  131   34.00000   43.85433  29.0%     -    0s
     0     0   43.79287    0  132   34.00000   43.79287  28.8%     -    0s
     0     0   43.78605    0  132   34.00000   43.78605  28.8%     -    0s
     0     2   43.78304    0  132   34.00000   43.78304  28.8%     -    0s
H   54    24                      35.0000000   42.85426  22.4%  42.5    0s
H  361   102                      36.0000000   40.80299  13.3%  37.6    0s

Explored 1664 nodes (60977 simplex iterations) in 2.91 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%