Gurobi 5.0.1 (linux64) logging started Tue Nov 20 12:32:14 2012

Optimize a model with 333 rows, 109 columns and 666 nonzeros
Presolve removed 79 rows and 4 columns
Presolve time: 0.00s
Presolved: 254 rows, 105 columns, 551 nonzeros
Variable types: 0 continuous, 105 integer (105 binary)
Found heuristic solution: objective 38.0000000

Root relaxation: objective 4.655556e+01, 172 iterations, 0.00 seconds

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

     0     0   46.55556    0   99   38.00000   46.55556  22.5%     -    0s
H    0     0                      40.0000000   46.55556  16.4%     -    0s
     0     0   45.87500    0  101   40.00000   45.87500  14.7%     -    0s
     0     0   45.58511    0  102   40.00000   45.58511  14.0%     -    0s
     0     0   45.11392    0  101   40.00000   45.11392  12.8%     -    0s
     0     0   44.66667    0  104   40.00000   44.66667  11.7%     -    0s
     0     0   44.53846    0  100   40.00000   44.53846  11.3%     -    0s
     0     0   44.00000    0   99   40.00000   44.00000  10.0%     -    0s
     0     0   44.00000    0   90   40.00000   44.00000  10.0%     -    0s
     0     0   44.00000    0   95   40.00000   44.00000  10.0%     -    0s
     0     0   44.00000    0   68   40.00000   44.00000  10.0%     -    0s
H    0     0                      42.0000000   44.00000  4.76%     -    0s
     0     2   44.00000    0   68   42.00000   44.00000  4.76%     -    0s
*   23     4               8      43.0000000   44.00000  2.33%  25.3    0s

Explored 26 nodes (1468 simplex iterations) in 0.09 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 4.300000000000e+01, best bound 4.300000000000e+01, gap 0.0%