Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:10:05 2012 Optimize a model with 95 rows, 87 columns and 322 nonzeros Presolve removed 0 rows and 4 columns Presolve time: 0.00s Presolved: 95 rows, 83 columns, 318 nonzeros Variable types: 0 continuous, 83 integer (82 binary) Found heuristic solution: objective 15.0000000 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 35 15.00000 0.00000 100% - 0s H 0 0 9.0000000 0.00000 100% - 0s 0 0 0.42857 0 36 9.00000 0.42857 95.2% - 0s 0 0 1.01555 0 38 9.00000 1.01555 88.7% - 0s H 0 0 8.0000000 1.01555 87.3% - 0s 0 0 1.21458 0 40 8.00000 1.21458 84.8% - 0s 0 0 1.21458 0 40 8.00000 1.21458 84.8% - 0s H 0 0 7.0000000 1.21458 82.6% - 0s 0 2 1.27522 0 40 7.00000 1.27522 81.8% - 0s * 10 6 7 5.0000000 1.78827 64.2% 20.1 0s Cutting planes: Gomory: 5 Zero half: 4 Explored 23 nodes (533 simplex iterations) in 0.05 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%