Gurobi 5.0.1 (linux64) logging started Sat Nov 17 19:54:34 2012

Optimize a model with 233 rows, 138 columns and 718 nonzeros
Presolve time: 0.00s
Presolved: 233 rows, 138 columns, 718 nonzeros
Variable types: 0 continuous, 138 integer (138 binary)
Found heuristic solution: objective 54.0000000

Root relaxation: objective 0.000000e+00, 43 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   22   54.00000    0.00000   100%     -    0s
H    0     0                      50.0000000    0.00000   100%     -    0s
     0     0    1.00000    0   24   50.00000    1.00000  98.0%     -    0s
     0     0    1.12500    0   24   50.00000    1.12500  97.8%     -    0s
     0     0    1.12500    0   24   50.00000    1.12500  97.8%     -    0s
     0     0    1.18750    0   24   50.00000    1.18750  97.6%     -    0s
     0     0    1.18750    0   24   50.00000    1.18750  97.6%     -    0s
     0     0    1.18750    0   24   50.00000    1.18750  97.6%     -    0s
     0     0    1.18750    0   24   50.00000    1.18750  97.6%     -    0s
     0     2    1.28571    0   24   50.00000    1.28571  97.4%     -    0s
*  123    76              16      49.0000000   11.11111  77.3%  24.0    0s
*  124    73              16      48.0000000   11.11111  76.9%  23.8    0s
*  126    66              14      46.0000000   11.11111  75.8%  23.5    0s
*  874   150              27      45.0000000   28.00000  37.8%  19.8    0s
* 1422   117              24      43.0000000   31.00000  27.9%  18.1    0s

Cutting planes:
  Gomory: 1
  Zero half: 5

Explored 2124 nodes (35557 simplex iterations) in 0.91 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%