Gurobi 5.0.1 (linux64) logging started Sun Nov 18 06:21:32 2012 Optimize a model with 441 rows, 434 columns and 1534 nonzeros Presolve removed 0 rows and 25 columns Presolve time: 0.00s Presolved: 441 rows, 409 columns, 1509 nonzeros Variable types: 0 continuous, 409 integer (408 binary) Found heuristic solution: objective 86.0000000 Root relaxation: objective 0.000000e+00, 241 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 0 182 86.00000 0.00000 100% - 0s H 0 0 72.0000000 0.00000 100% - 0s H 0 0 69.0000000 0.00000 100% - 0s H 0 0 66.0000000 0.00000 100% - 0s 0 0 0.28379 0 184 66.00000 0.28379 100% - 0s H 0 0 59.0000000 0.28379 100% - 0s 0 0 0.86318 0 187 59.00000 0.86318 98.5% - 0s H 0 0 56.0000000 0.86318 98.5% - 0s H 0 0 53.0000000 0.86318 98.4% - 0s 0 0 0.86388 0 188 53.00000 0.86388 98.4% - 0s 0 0 0.86388 0 188 53.00000 0.86388 98.4% - 0s H 0 0 46.0000000 0.86388 98.1% - 0s H 0 0 35.0000000 0.86388 97.5% - 0s H 0 0 28.0000000 0.86388 96.9% - 0s H 0 0 23.0000000 0.86388 96.2% - 0s 0 2 0.86485 0 188 23.00000 0.86485 96.2% - 0s H 27 25 11.0000000 1.00000 90.9% 42.4 0s * 93 47 12 10.0000000 1.78655 82.1% 34.9 0s Cutting planes: Gomory: 4 Zero half: 2 Explored 311 nodes (12858 simplex iterations) in 0.49 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.000000000000e+01, best bound 1.000000000000e+01, gap 0.0%