Gurobi 5.0.1 (linux64) logging started Sat Nov 17 19:55:42 2012

Optimize a model with 269 rows, 157 columns and 827 nonzeros
Presolve time: 0.00s
Presolved: 269 rows, 157 columns, 827 nonzeros
Variable types: 0 continuous, 157 integer (157 binary)
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
     0     0    0.86957    0   25   58.00000    0.86957  98.5%     -    0s
     0     0    0.89855    0   25   58.00000    0.89855  98.5%     -    0s
     0     0    0.89855    0   25   58.00000    0.89855  98.5%     -    0s
     0     0    0.89855    0   25   58.00000    0.89855  98.5%     -    0s
     0     0    0.89855    0   25   58.00000    0.89855  98.5%     -    0s
     0     2    1.00741    0   25   58.00000    1.00741  98.3%     -    0s
*  350   139              14      57.0000000   23.22222  59.3%  21.9    0s
*  351   135              13      56.0000000   23.22222  58.5%  21.9    0s
*  535   185              13      55.0000000   29.05556  47.2%  21.0    0s
*  881   212              23      54.0000000   29.85714  44.7%  20.7    0s
* 1733   210              21      53.0000000   34.44444  35.0%  19.6    0s

Cutting planes:
  Gomory: 1
  Zero half: 4

Explored 4725 nodes (80087 simplex iterations) in 2.35 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 5.300000000000e+01, best bound 5.300000000000e+01, gap 0.0%