Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:35:47 2012

Optimize a model with 293 rows, 224 columns and 954 nonzeros
Presolve time: 0.00s
Presolved: 293 rows, 224 columns, 954 nonzeros
Variable types: 0 continuous, 224 integer (224 binary)
Found heuristic solution: objective 72.0000000

Root relaxation: objective 0.000000e+00, 106 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   77   72.00000    0.00000   100%     -    0s
H    0     0                      62.0000000    0.00000   100%     -    0s
H    0     0                      54.0000000    0.00000   100%     -    0s
     0     0    0.53581    0   78   54.00000    0.53581  99.0%     -    0s
H    0     0                      51.0000000    0.53581  98.9%     -    0s
     0     0    1.00000    0   79   51.00000    1.00000  98.0%     -    0s
H    0     0                      46.0000000    1.00000  97.8%     -    0s
     0     0    1.07201    0   81   46.00000    1.07201  97.7%     -    0s
H    0     0                      45.0000000    1.07201  97.6%     -    0s
     0     0    1.14436    0   82   45.00000    1.14436  97.5%     -    0s
     0     0    1.16098    0   83   45.00000    1.16098  97.4%     -    0s
     0     2    1.18213    0   83   45.00000    1.18213  97.4%     -    0s
H   27    24                      26.0000000    4.82284  81.5%  29.6    0s
*  188   110              15      24.0000000    8.71609  63.7%  26.2    0s
*  234    99              14      23.0000000    8.82275  61.6%  23.8    0s
*  449    98              12      21.0000000   12.10606  42.4%  23.4    0s

Cutting planes:
  Gomory: 3
  Mod-K: 2

Explored 836 nodes (18659 simplex iterations) in 0.68 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.100000000000e+01, best bound 2.100000000000e+01, gap 0.0%