Gurobi 5.0.1 (linux64) logging started Sat Nov 17 19:55:37 2012

Optimize a model with 243 rows, 144 columns and 749 nonzeros
Presolve time: 0.00s
Presolved: 243 rows, 144 columns, 749 nonzeros
Variable types: 0 continuous, 144 integer (144 binary)
Found heuristic solution: objective 61.0000000
Found heuristic solution: objective 58.0000000

Root relaxation: objective 0.000000e+00, 46 iterations, 0.00 seconds

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

     0     0    0.00000    0   23   58.00000    0.00000   100%     -    0s
H    0     0                      57.0000000    0.00000   100%     -    0s
H    0     0                      54.0000000    0.00000   100%     -    0s
H    0     0                      52.0000000    0.00000   100%     -    0s
     0     0    0.94565    0   25   52.00000    0.94565  98.2%     -    0s
     0     0    0.94565    0   25   52.00000    0.94565  98.2%     -    0s
     0     0    0.97826    0   25   52.00000    0.97826  98.1%     -    0s
     0     0    0.97826    0   25   52.00000    0.97826  98.1%     -    0s
     0     0    0.97826    0   25   52.00000    0.97826  98.1%     -    0s
     0     2    1.05000    0   25   52.00000    1.05000  98.0%     -    0s
*   83    39              13      50.0000000   11.15625  77.7%  25.1    0s
*  209   113              16      49.0000000   15.94444  67.5%  24.1    0s
*  210   112              15      47.0000000   15.94444  66.1%  24.0    0s
*  439   165              14      45.0000000   25.00000  44.4%  22.2    0s
* 1940    41              12      44.0000000   39.33333  10.6%  17.4    0s

Cutting planes:
  Gomory: 1
  Zero half: 13

Explored 2017 nodes (34758 simplex iterations) in 0.86 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 4.400000000000e+01, best bound 4.400000000000e+01, gap 0.0%