Gurobi 5.0.1 (linux64) logging started Sun Nov 18 06:12:25 2012
Optimize a model with 471 rows, 444 columns and 1619 nonzeros
Presolve removed 0 rows and 17 columns
Presolve time: 0.00s
Presolved: 471 rows, 427 columns, 1602 nonzeros
Variable types: 0 continuous, 427 integer (426 binary)
Found heuristic solution: objective 91.0000000
Root relaxation: objective 0.000000e+00, 242 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 0 177 91.00000 0.00000 100% - 0s
H 0 0 69.0000000 0.00000 100% - 0s
H 0 0 66.0000000 0.00000 100% - 0s
H 0 0 64.0000000 0.00000 100% - 0s
0 0 0.34219 0 179 64.00000 0.34219 99.5% - 0s
H 0 0 58.0000000 0.34219 99.4% - 0s
H 0 0 55.0000000 0.34219 99.4% - 0s
H 0 0 53.0000000 0.34219 99.4% - 0s
0 0 1.06042 0 184 53.00000 1.06042 98.0% - 0s
H 0 0 50.0000000 1.06042 97.9% - 0s
H 0 0 47.0000000 1.06042 97.7% - 0s
0 0 1.06295 0 186 47.00000 1.06295 97.7% - 0s
0 0 1.06295 0 186 47.00000 1.06295 97.7% - 0s
H 0 0 43.0000000 1.06295 97.5% - 0s
H 0 0 35.0000000 1.06295 97.0% - 0s
0 2 1.06324 0 186 35.00000 1.06324 97.0% - 0s
H 27 27 26.0000000 1.10634 95.7% 33.0 0s
H 68 36 16.0000000 1.10634 93.1% 29.4 0s
H 471 170 15.0000000 5.64407 62.4% 24.6 0s
Cutting planes:
Gomory: 4
Mod-K: 2
Explored 1575 nodes (38861 simplex iterations) in 1.81 seconds
Thread count was 1 (of 16 available processors)
Optimal solution found (tolerance 1.00e-04)
Best objective 1.500000000000e+01, best bound 1.500000000000e+01, gap 0.0%