Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:42:51 2012

Optimize a model with 245 rows, 166 columns and 776 nonzeros
Presolve time: 0.00s
Presolved: 245 rows, 166 columns, 776 nonzeros
Variable types: 0 continuous, 166 integer (166 binary)
Found heuristic solution: objective 51.0000000

Root relaxation: objective 0.000000e+00, 66 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   44   51.00000    0.00000   100%     -    0s
H    0     0                      43.0000000    0.00000   100%     -    0s
     0     0    0.52381    0   45   43.00000    0.52381  98.8%     -    0s
     0     0    1.32029    0   48   43.00000    1.32029  96.9%     -    0s
     0     0    1.33333    0   47   43.00000    1.33333  96.9%     -    0s
     0     0    1.37011    0   48   43.00000    1.37011  96.8%     -    0s
     0     0    1.38095    0   48   43.00000    1.38095  96.8%     -    0s
     0     0    1.38095    0   47   43.00000    1.38095  96.8%     -    0s
H    0     0                      37.0000000    1.38095  96.3%     -    0s
     0     2    1.39765    0   47   37.00000    1.39765  96.2%     -    0s
*   37    36              22      36.0000000    4.80385  86.7%  20.9    0s
*  100    70              18      34.0000000    7.33333  78.4%  21.1    0s
*  252   169              18      33.0000000   11.20000  66.1%  23.6    0s
*  598   268              16      32.0000000   15.18750  52.5%  19.7    0s
*  907   310              29      31.0000000   15.75000  49.2%  21.4    0s
H 1177   242                      29.0000000   15.75000  45.7%  21.7    0s

Explored 2113 nodes (45249 simplex iterations) in 1.14 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%