Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:26:29 2012

Optimize a model with 307 rows, 227 columns and 992 nonzeros
Presolve time: 0.00s
Presolved: 307 rows, 227 columns, 992 nonzeros
Variable types: 0 continuous, 227 integer (227 binary)
Found heuristic solution: objective 69.0000000

Root relaxation: objective 0.000000e+00, 114 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   74   69.00000    0.00000   100%     -    0s
H    0     0                      62.0000000    0.00000   100%     -    0s
H    0     0                      51.0000000    0.00000   100%     -    0s
     0     0    0.52381    0   77   51.00000    0.52381  99.0%     -    0s
     0     0    0.66300    0   78   51.00000    0.66300  98.7%     -    0s
     0     0    0.66788    0   77   51.00000    0.66788  98.7%     -    0s
     0     0    0.66788    0   77   51.00000    0.66788  98.7%     -    0s
     0     0    0.66788    0   77   51.00000    0.66788  98.7%     -    0s
H    0     0                      46.0000000    0.66788  98.5%     -    0s
     0     2    0.66788    0   77   46.00000    0.66788  98.5%     -    0s
*   38    38              22      39.0000000    2.96354  92.4%  25.7    0s
*   41    36              22      38.0000000    2.96354  92.2%  24.4    0s
*   80    64              26      36.0000000    2.98989  91.7%  22.9    0s
H  111    79                      35.0000000    5.73202  83.6%  22.7    0s
*  144    80              15      27.0000000    5.87234  78.3%  24.5    0s
* 1663   126              20      26.0000000   19.17647  26.2%  21.8    1s

Explored 2241 nodes (47523 simplex iterations) in 1.71 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%