Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:42:08 2012 Optimize a model with 165 rows, 125 columns and 535 nonzeros Presolve time: 0.00s Presolved: 165 rows, 125 columns, 535 nonzeros Variable types: 0 continuous, 125 integer (125 binary) Found heuristic solution: objective 42.0000000 Found heuristic solution: objective 41.0000000 Root relaxation: objective 0.000000e+00, 66 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 42 41.00000 0.00000 100% - 0s H 0 0 34.0000000 0.00000 100% - 0s H 0 0 33.0000000 0.00000 100% - 0s H 0 0 32.0000000 0.00000 100% - 0s 0 0 0.71429 0 43 32.00000 0.71429 97.8% - 0s 0 0 1.00000 0 44 32.00000 1.00000 96.9% - 0s H 0 0 26.0000000 1.00000 96.2% - 0s 0 0 1.00000 0 46 26.00000 1.00000 96.2% - 0s 0 0 1.00000 0 45 26.00000 1.00000 96.2% - 0s H 0 0 24.0000000 1.00000 95.8% - 0s H 0 0 22.0000000 1.00000 95.5% - 0s H 0 0 21.0000000 1.00000 95.2% - 0s 0 2 1.00000 0 42 21.00000 1.00000 95.2% - 0s * 20 20 12 19.0000000 3.33333 82.5% 27.6 0s * 23 19 14 18.0000000 3.33333 81.5% 24.4 0s * 40 26 11 16.0000000 3.47143 78.3% 22.7 0s Cutting planes: Gomory: 2 Zero half: 1 Mod-K: 1 Explored 422 nodes (8088 simplex iterations) in 0.19 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.600000000000e+01, best bound 1.600000000000e+01, gap 0.0%