Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:10:25 2012 Optimize a model with 105 rows, 95 columns and 355 nonzeros Presolve removed 0 rows and 2 columns Presolve time: 0.00s Presolved: 105 rows, 93 columns, 353 nonzeros Variable types: 0 continuous, 93 integer (92 binary) Found heuristic solution: objective 20.0000000 Root relaxation: objective 0.000000e+00, 55 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 20.00000 0.00000 100% - 0s H 0 0 17.0000000 0.00000 100% - 0s H 0 0 15.0000000 0.00000 100% - 0s H 0 0 12.0000000 0.00000 100% - 0s 0 0 0.47500 0 41 12.00000 0.47500 96.0% - 0s H 0 0 11.0000000 0.47500 95.7% - 0s 0 0 1.12841 0 44 11.00000 1.12841 89.7% - 0s 0 0 1.13669 0 44 11.00000 1.13669 89.7% - 0s 0 0 1.13669 0 44 11.00000 1.13669 89.7% - 0s H 0 0 10.0000000 1.13669 88.6% - 0s H 0 0 9.0000000 1.13669 87.4% - 0s H 0 0 8.0000000 1.13669 85.8% - 0s 0 2 1.15020 0 44 8.00000 1.15020 85.6% - 0s * 7 7 5 7.0000000 2.34247 66.5% 32.1 0s Cutting planes: Gomory: 3 Mod-K: 1 Explored 46 nodes (852 simplex iterations) in 0.06 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 7.000000000000e+00, best bound 7.000000000000e+00, gap 0.0%