Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:52:22 2012

Optimize a model with 243 rows, 169 columns and 774 nonzeros
Presolve time: 0.00s
Presolved: 243 rows, 169 columns, 774 nonzeros
Variable types: 0 continuous, 169 integer (169 binary)
Found heuristic solution: objective 45.0000000

Root relaxation: objective 0.000000e+00, 76 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   47   45.00000    0.00000   100%     -    0s
H    0     0                      41.0000000    0.00000   100%     -    0s
H    0     0                      40.0000000    0.00000   100%     -    0s
     0     0    0.53597    0   48   40.00000    0.53597  98.7%     -    0s
     0     0    1.00000    0   49   40.00000    1.00000  97.5%     -    0s
     0     0    1.36706    0   50   40.00000    1.36706  96.6%     -    0s
     0     0    1.44184    0   52   40.00000    1.44184  96.4%     -    0s
     0     0    1.44184    0   52   40.00000    1.44184  96.4%     -    0s
     0     2    1.59000    0   52   40.00000    1.59000  96.0%     -    0s
*   26    26              15      32.0000000    3.88599  87.9%  31.5    0s
*   49    40              15      28.0000000    3.92752  86.0%  27.6    0s
*  786   219              30      27.0000000   15.00488  44.4%  24.3    0s
*  894   185              25      26.0000000   15.00488  42.3%  24.2    0s

Explored 1564 nodes (35482 simplex iterations) in 0.97 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.600000000000e+01, best bound 2.600000000000e+01, gap 0.0%