Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:10:18 2012 Optimize a model with 103 rows, 93 columns and 348 nonzeros Presolve removed 0 rows and 1 columns Presolve time: 0.00s Presolved: 103 rows, 92 columns, 347 nonzeros Variable types: 0 continuous, 92 integer (91 binary) Found heuristic solution: objective 21.0000000 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 40 21.00000 0.00000 100% - 0s H 0 0 13.0000000 0.00000 100% - 0s H 0 0 10.0000000 0.00000 100% - 0s 0 0 0.59538 0 43 10.00000 0.59538 94.0% - 0s H 0 0 9.0000000 0.59538 93.4% - 0s H 0 0 8.0000000 0.59538 92.6% - 0s 0 0 1.07245 0 43 8.00000 1.07245 86.6% - 0s 0 0 1.16406 0 45 8.00000 1.16406 85.4% - 0s 0 0 1.16677 0 44 8.00000 1.16677 85.4% - 0s 0 0 1.16677 0 44 8.00000 1.16677 85.4% - 0s H 0 0 7.0000000 1.16677 83.3% - 0s 0 2 1.22404 0 44 7.00000 1.22404 82.5% - 0s * 9 6 7 5.0000000 1.96502 60.7% 18.8 0s Cutting planes: Gomory: 4 Zero half: 2 Explored 22 nodes (553 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%