Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:56:57 2012

Optimize a model with 249 rows, 173 columns and 793 nonzeros
Presolve time: 0.00s
Presolved: 249 rows, 173 columns, 793 nonzeros
Variable types: 0 continuous, 173 integer (173 binary)
Found heuristic solution: objective 44.0000000

Root relaxation: objective 0.000000e+00, 77 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   49   44.00000    0.00000   100%     -    0s
H    0     0                      37.0000000    0.00000   100%     -    0s
     0     0    0.72760    0   51   37.00000    0.72760  98.0%     -    0s
H    0     0                      36.0000000    0.72760  98.0%     -    0s
     0     0    0.74255    0   51   36.00000    0.74255  97.9%     -    0s
     0     0    0.76309    0   51   36.00000    0.76309  97.9%     -    0s
     0     0    0.81285    0   52   36.00000    0.81285  97.7%     -    0s
     0     0    0.81633    0   51   36.00000    0.81633  97.7%     -    0s
     0     0    0.81841    0   54   36.00000    0.81841  97.7%     -    0s
     0     2    0.83267    0   54   36.00000    0.83267  97.7%     -    0s
*   23    23              14      27.0000000    4.52609  83.2%  30.4    0s
*   25    23              15      26.0000000    4.52609  82.6%  29.0    0s
*  588    14              13      25.0000000   21.29630  14.8%  19.8    0s

Cutting planes:
  Gomory: 1
  Mod-K: 6

Explored 613 nodes (12179 simplex iterations) in 0.41 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.500000000000e+01, best bound 2.500000000000e+01, gap 0.0%