Gurobi 5.0.1 (linux64) logging started Sat Nov 17 20:06:56 2012 Optimize a model with 349 rows, 201 columns and 1071 nonzeros Presolve time: 0.00s Presolved: 349 rows, 201 columns, 1071 nonzeros Variable types: 0 continuous, 201 integer (201 binary) Found heuristic solution: objective 86.0000000 Root relaxation: objective 0.000000e+00, 55 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 27 86.00000 0.00000 100% - 0s H 0 0 80.0000000 0.00000 100% - 0s 0 0 0.79328 0 38 80.00000 0.79328 99.0% - 0s 0 0 0.84848 0 29 80.00000 0.84848 98.9% - 0s 0 0 0.87205 0 29 80.00000 0.87205 98.9% - 0s 0 0 0.87205 0 29 80.00000 0.87205 98.9% - 0s 0 0 0.87205 0 29 80.00000 0.87205 98.9% - 0s 0 0 0.87205 0 29 80.00000 0.87205 98.9% - 0s 0 2 1.09091 0 29 80.00000 1.09091 98.6% - 0s * 30 28 16 79.0000000 7.12645 91.0% 34.4 0s * 69 50 22 77.0000000 7.13223 90.7% 29.6 0s * 280 158 21 76.0000000 17.33333 77.2% 27.8 0s * 281 156 21 75.0000000 17.33333 76.9% 27.7 0s * 287 151 19 74.0000000 17.33333 76.6% 27.2 0s H 519 230 69.0000000 25.00000 63.8% 26.4 0s 6765 1007 64.26667 26 106 69.00000 51.25000 25.7% 21.9 5s *11345 1051 33 68.0000000 56.00000 17.6% 20.1 7s Cutting planes: Gomory: 1 Zero half: 6 Explored 16537 nodes (313684 simplex iterations) in 9.54 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 6.800000000000e+01, best bound 6.800000000000e+01, gap 0.0%