Gurobi 5.0.1 (linux64) logging started Sun Nov 18 09:13:39 2012

Optimize a model with 635 rows, 558 columns and 2143 nonzeros
Presolve removed 0 rows and 16 columns
Presolve time: 0.00s
Presolved: 635 rows, 542 columns, 2127 nonzeros
Variable types: 0 continuous, 542 integer (541 binary)
Found heuristic solution: objective 126.0000000

Root relaxation: objective 0.000000e+00, 280 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  218  126.00000    0.00000   100%     -    0s
H    0     0                      85.0000000    0.00000   100%     -    0s
     0     0    0.44278    0  221   85.00000    0.44278  99.5%     -    0s
H    0     0                      74.0000000    0.44278  99.4%     -    0s
     0     0    0.82856    0  222   74.00000    0.82856  98.9%     -    0s
H    0     0                      66.0000000    0.82856  98.7%     -    0s
     0     0    0.82946    0  224   66.00000    0.82946  98.7%     -    0s
     0     0    0.82946    0  224   66.00000    0.82946  98.7%     -    0s
H    0     0                      48.0000000    0.82946  98.3%     -    0s
     0     2    0.83098    0  223   48.00000    0.83098  98.3%     -    0s
H   54    36                      25.0000000    1.76388  92.9%  33.5    0s
H  136    86                      24.0000000    3.90909  83.7%  42.7    0s
  2391   509   18.11917   20  227   24.00000   15.72464  34.5%  30.4    5s
  4960   533     cutoff   23        24.00000   18.27211  23.9%  28.6   10s

Explored 7069 nodes (197407 simplex iterations) in 13.65 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.400000000000e+01, best bound 2.400000000000e+01, gap 0.0%