Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:38:01 2012 Optimize a model with 65 rows, 56 columns and 216 nonzeros Presolve time: 0.00s Presolved: 65 rows, 56 columns, 216 nonzeros Variable types: 0 continuous, 56 integer (56 binary) Found heuristic solution: objective 12.0000000 Root relaxation: objective 0.000000e+00, 34 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 23 12.00000 0.00000 100% - 0s H 0 0 9.0000000 0.00000 100% - 0s 0 0 0.52609 0 24 9.00000 0.52609 94.2% - 0s H 0 0 7.0000000 0.52609 92.5% - 0s 0 0 1.06118 0 26 7.00000 1.06118 84.8% - 0s H 0 0 6.0000000 1.06118 82.3% - 0s 0 0 1.27736 0 26 6.00000 1.27736 78.7% - 0s 0 0 1.29097 0 27 6.00000 1.29097 78.5% - 0s 0 0 1.29097 0 27 6.00000 1.29097 78.5% - 0s 0 2 1.30278 0 27 6.00000 1.30278 78.3% - 0s * 6 6 4 5.0000000 2.76606 44.7% 15.2 0s Cutting planes: Gomory: 3 Zero half: 9 Explored 14 nodes (291 simplex iterations) in 0.01 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 5.000000000000e+00, best bound 5.000000000000e+00, gap 0.0%