Gurobi 5.0.1 (linux64) logging started Sat Nov 17 19:58:58 2012
Optimize a model with 303 rows, 176 columns and 931 nonzeros
Presolve time: 0.00s
Presolved: 303 rows, 176 columns, 931 nonzeros
Variable types: 0 continuous, 176 integer (176 binary)
Found heuristic solution: objective 73.0000000
Root relaxation: objective 0.000000e+00, 46 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 25 73.00000 0.00000 100% - 0s
H 0 0 72.0000000 0.00000 100% - 0s
0 0 0.88594 0 38 72.00000 0.88594 98.8% - 0s
0 0 0.99994 0 46 72.00000 0.99994 98.6% - 0s
0 0 1.07000 0 27 72.00000 1.07000 98.5% - 0s
0 0 1.12000 0 27 72.00000 1.12000 98.4% - 0s
0 0 1.12000 0 27 72.00000 1.12000 98.4% - 0s
0 0 1.12000 0 27 72.00000 1.12000 98.4% - 0s
0 0 1.12000 0 27 72.00000 1.12000 98.4% - 0s
0 2 1.14167 0 27 72.00000 1.14167 98.4% - 0s
* 29 25 17 71.0000000 6.78308 90.4% 27.5 0s
* 55 45 17 67.0000000 7.00562 89.5% 29.0 0s
* 338 158 17 65.0000000 22.33333 65.6% 24.3 0s
* 388 177 14 64.0000000 22.50000 64.8% 24.3 0s
* 403 173 15 62.0000000 25.42105 59.0% 24.1 0s
* 406 159 13 60.0000000 25.42105 57.6% 24.1 0s
* 466 172 16 59.0000000 28.37500 51.9% 23.5 0s
* 835 193 29 57.0000000 31.00000 45.6% 24.8 0s
* 2552 71 27 56.0000000 46.33333 17.3% 21.0 1s
Cutting planes:
Gomory: 1
Mod-K: 4
Explored 2782 nodes (57314 simplex iterations) in 1.80 seconds
Thread count was 1 (of 16 available processors)
Optimal solution found (tolerance 1.00e-04)
Best objective 5.600000000000e+01, best bound 5.600000000000e+01, gap 0.0%