Gurobi 5.0.1 (linux64) logging started Sun Nov 18 06:44:12 2012
Optimize a model with 559 rows, 500 columns and 1895 nonzeros
Presolve removed 0 rows and 19 columns
Presolve time: 0.00s
Presolved: 559 rows, 481 columns, 1876 nonzeros
Variable types: 0 continuous, 481 integer (480 binary)
Found heuristic solution: objective 105.0000000
Root relaxation: objective 0.000000e+00, 269 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 0 193 105.00000 0.00000 100% - 0s
H 0 0 77.0000000 0.00000 100% - 0s
H 0 0 76.0000000 0.00000 100% - 0s
H 0 0 70.0000000 0.00000 100% - 0s
0 0 0.29917 0 195 70.00000 0.29917 100% - 0s
H 0 0 68.0000000 0.29917 100% - 0s
0 0 1.01791 0 198 68.00000 1.01791 98.5% - 0s
H 0 0 66.0000000 1.01791 98.5% - 0s
0 0 1.01838 0 204 66.00000 1.01838 98.5% - 0s
0 0 1.01838 0 204 66.00000 1.01838 98.5% - 0s
H 0 0 65.0000000 1.01838 98.4% - 0s
H 0 0 61.0000000 1.01838 98.3% - 0s
0 2 1.02014 0 204 61.00000 1.02014 98.3% - 0s
H 27 27 57.0000000 2.16883 96.2% 35.4 0s
H 54 52 27.0000000 2.16883 92.0% 30.7 0s
* 57 46 30 26.0000000 2.16883 91.7% 32.0 0s
* 409 195 14 25.0000000 7.00000 72.0% 36.4 0s
3318 999 18.73653 19 204 25.00000 15.81818 36.7% 25.6 5s
7421 1742 22.39024 20 205 25.00000 18.20238 27.2% 22.9 10s
* 9830 1734 31 24.0000000 19.00000 20.8% 22.5 12s
11784 1457 21.77358 20 198 24.00000 19.81818 17.4% 22.3 15s
Explored 15623 nodes (346465 simplex iterations) in 18.66 seconds
Thread count was 1 (of 16 available processors)
Optimal solution found (tolerance 1.00e-04)
Best objective 2.400000000000e+01, best bound 2.400000000000e+01, gap 0.0%