Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:38:21 2012 Optimize a model with 101 rows, 78 columns and 328 nonzeros Presolve time: 0.00s Presolved: 101 rows, 78 columns, 328 nonzeros Variable types: 0 continuous, 78 integer (78 binary) Found heuristic solution: objective 26.0000000 Found heuristic solution: objective 24.0000000 Root relaxation: objective 0.000000e+00, 44 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 28 24.00000 0.00000 100% - 0s H 0 0 20.0000000 0.00000 100% - 0s H 0 0 14.0000000 0.00000 100% - 0s 0 0 0.53846 0 29 14.00000 0.53846 96.2% - 0s 0 0 1.18462 0 30 14.00000 1.18462 91.5% - 0s 0 0 1.74542 0 35 14.00000 1.74542 87.5% - 0s 0 0 1.75166 0 38 14.00000 1.75166 87.5% - 0s 0 2 1.84742 0 38 14.00000 1.84742 86.8% - 0s * 15 14 9 13.0000000 3.06105 76.5% 17.1 0s * 26 17 7 12.0000000 3.08894 74.3% 15.3 0s * 31 17 8 11.0000000 3.08894 71.9% 13.8 0s * 32 13 8 10.0000000 3.08894 69.1% 13.6 0s Cutting planes: Gomory: 5 Mod-K: 4 Explored 84 nodes (1247 simplex iterations) in 0.04 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%