Gurobi 5.0.1 (linux64) logging started Sun Nov 18 06:56:23 2012

Optimize a model with 571 rows, 509 columns and 1934 nonzeros
Presolve removed 0 rows and 20 columns
Presolve time: 0.00s
Presolved: 571 rows, 489 columns, 1914 nonzeros
Variable types: 0 continuous, 489 integer (488 binary)
Found heuristic solution: objective 110.0000000

Root relaxation: objective 0.000000e+00, 260 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  201  110.00000    0.00000   100%     -    0s
H    0     0                      86.0000000    0.00000   100%     -    0s
     0     0    0.43076    0  202   86.00000    0.43076  99.5%     -    0s
H    0     0                      74.0000000    0.43076  99.4%     -    0s
     0     0    0.57051    0  203   74.00000    0.57051  99.2%     -    0s
H    0     0                      60.0000000    0.57051  99.0%     -    0s
     0     0    0.99157    0  204   60.00000    0.99157  98.3%     -    0s
     0     0    0.99186    0  205   60.00000    0.99186  98.3%     -    0s
     0     0    0.99186    0  205   60.00000    0.99186  98.3%     -    0s
     0     2    0.99201    0  205   60.00000    0.99201  98.3%     -    0s
H   54    41                      27.0000000    1.01228  96.3%  38.9    0s
H  218   155                      26.0000000    1.29074  95.0%  44.0    0s
*  772   374              28      25.0000000    6.20000  75.2%  43.5    1s
  2573   481   22.13483   24  218   25.00000   15.28000  38.9%  33.6    5s
  5812   315     cutoff   27        25.00000   19.31092  22.8%  32.3   10s

Explored 6983 nodes (219984 simplex iterations) in 11.49 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%