Gurobi 5.0.1 (linux64) logging started Sat Nov 17 20:07:38 2012 Optimize a model with 363 rows, 208 columns and 1113 nonzeros Presolve time: 0.00s Presolved: 363 rows, 208 columns, 1113 nonzeros Variable types: 0 continuous, 208 integer (208 binary) Found heuristic solution: objective 98.0000000 Found heuristic solution: objective 83.0000000 Root relaxation: objective 0.000000e+00, 59 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 83.00000 0.00000 100% - 0s 0 0 0.82099 0 29 83.00000 0.82099 99.0% - 0s 0 0 0.82099 0 29 83.00000 0.82099 99.0% - 0s 0 0 0.82099 0 29 83.00000 0.82099 99.0% - 0s 0 0 0.82099 0 29 83.00000 0.82099 99.0% - 0s H 0 0 78.0000000 0.82099 98.9% - 0s 0 2 1.04167 0 29 78.00000 1.04167 98.7% - 0s * 382 218 18 77.0000000 20.05952 73.9% 32.7 0s * 383 217 17 76.0000000 20.05952 73.6% 32.7 0s * 436 242 19 75.0000000 20.28030 73.0% 32.0 0s * 845 326 31 74.0000000 25.91667 65.0% 31.1 0s * 849 298 26 71.0000000 25.91667 63.5% 31.0 0s 6578 126 66.00000 23 119 71.00000 61.75000 13.0% 22.7 5s * 6712 86 27 70.0000000 63.75000 8.93% 22.6 5s Cutting planes: Gomory: 1 Zero half: 4 Explored 6865 nodes (153762 simplex iterations) in 5.14 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 7.000000000000e+01, best bound 7.000000000000e+01, gap 0.0%