Gurobi 5.0.1 (linux64) logging started Sun Nov 18 00:15:23 2012

Optimize a model with 257 rows, 179 columns and 819 nonzeros
Presolve time: 0.00s
Presolved: 257 rows, 179 columns, 819 nonzeros
Variable types: 0 continuous, 179 integer (179 binary)
Found heuristic solution: objective 54.0000000

Root relaxation: objective 0.000000e+00, 85 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   51   54.00000    0.00000   100%     -    0s
H    0     0                      48.0000000    0.00000   100%     -    0s
H    0     0                      45.0000000    0.00000   100%     -    0s
     0     0    0.66857    0   53   45.00000    0.66857  98.5%     -    0s
     0     0    0.66857    0   53   45.00000    0.66857  98.5%     -    0s
     0     0    0.66857    0   53   45.00000    0.66857  98.5%     -    0s
     0     2    0.70250    0   53   45.00000    0.70250  98.4%     -    0s
*   39    39              24      40.0000000    3.34667  91.6%  25.2    0s
*   40    38              24      39.0000000    3.34667  91.4%  24.6    0s
*   76    62              23      37.0000000    3.60000  90.3%  21.5    0s
*  111    89              24      36.0000000    5.00000  86.1%  21.2    0s
*  116    85              25      35.0000000    5.00000  85.7%  20.6    0s
*  168   121              19      34.0000000    5.17000  84.8%  21.3    0s
*  211   128              12      29.0000000    8.34000  71.2%  23.3    0s

Explored 4046 nodes (91195 simplex iterations) in 2.60 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.900000000000e+01, best bound 2.900000000000e+01, gap 0.0%