Gurobi 5.0.1 (linux64) logging started Sun Nov 18 01:26:59 2012

Optimize a model with 347 rows, 233 columns and 1098 nonzeros
Presolve time: 0.00s
Presolved: 347 rows, 233 columns, 1098 nonzeros
Variable types: 0 continuous, 233 integer (233 binary)
Found heuristic solution: objective 76.0000000

Root relaxation: objective 0.000000e+00, 93 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   59   76.00000    0.00000   100%     -    0s
H    0     0                      73.0000000    0.00000   100%     -    0s
H    0     0                      72.0000000    0.00000   100%     -    0s
H    0     0                      69.0000000    0.00000   100%     -    0s
     0     0    0.57017    0   60   69.00000    0.57017  99.2%     -    0s
H    0     0                      68.0000000    0.57017  99.2%     -    0s
     0     0    1.13274    0   62   68.00000    1.13274  98.3%     -    0s
H    0     0                      65.0000000    1.13274  98.3%     -    0s
     0     0    1.52309    0   63   65.00000    1.52309  97.7%     -    0s
     0     0    1.53294    0   64   65.00000    1.53294  97.6%     -    0s
     0     0    1.53294    0   64   65.00000    1.53294  97.6%     -    0s
H    0     0                      48.0000000    1.53294  96.8%     -    0s
     0     2    1.55296    0   64   48.00000    1.55296  96.8%     -    0s
*   64    50              17      40.0000000    7.18683  82.0%  37.8    0s
*  524   262              15      39.0000000   15.79310  59.5%  28.8    0s

Explored 6434 nodes (139092 simplex iterations) in 4.95 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.900000000000e+01, best bound 3.900000000000e+01, gap 0.0%