Gurobi 5.0.1 (linux64) logging started Sun Nov 18 04:08:01 2012

Optimize a model with 405 rows, 287 columns and 1297 nonzeros
Presolve time: 0.00s
Presolved: 405 rows, 287 columns, 1297 nonzeros
Variable types: 0 continuous, 287 integer (287 binary)
Found heuristic solution: objective 82.0000000

Root relaxation: objective 0.000000e+00, 111 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   85   82.00000    0.00000   100%     -    0s
H    0     0                      68.0000000    0.00000   100%     -    0s
     0     0    0.93476    0   87   68.00000    0.93476  98.6%     -    0s
H    0     0                      65.0000000    0.93476  98.6%     -    0s
     0     0    0.96331    0   90   65.00000    0.96331  98.5%     -    0s
     0     0    0.96977    0   95   65.00000    0.96977  98.5%     -    0s
H    0     0                      54.0000000    0.96977  98.2%     -    0s
     0     2    0.97054    0   95   54.00000    0.97054  98.2%     -    0s
*   54    53              33      50.0000000    4.81323  90.4%  26.0    0s
*   59    47              33      49.0000000    4.81323  90.2%  24.3    0s
*  111    85              32      48.0000000    4.82492  89.9%  22.3    0s
*  152   111              26      46.0000000    7.64123  83.4%  22.3    0s
*  219   162              25      45.0000000    7.79167  82.7%  23.6    0s
H  276   180                      39.0000000   10.91582  72.0%  24.5    0s
* 1830   379              27      38.0000000   22.63636  40.4%  24.0    2s
  4470   490   35.45833   20  137   38.00000   28.53846  24.9%  21.5    5s

Cutting planes:
  Gomory: 1
  Mod-K: 3

Explored 7754 nodes (157309 simplex iterations) in 7.74 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.800000000000e+01, best bound 3.800000000000e+01, gap 0.0%