Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:12:01 2012 Optimize a model with 133 rows, 119 columns and 449 nonzeros Presolve removed 0 rows and 2 columns Presolve time: 0.00s Presolved: 133 rows, 117 columns, 447 nonzeros Variable types: 0 continuous, 117 integer (116 binary) Found heuristic solution: objective 26.0000000 Root relaxation: objective 0.000000e+00, 91 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 50 26.00000 0.00000 100% - 0s H 0 0 22.0000000 0.00000 100% - 0s 0 0 0.32692 0 52 22.00000 0.32692 98.5% - 0s H 0 0 17.0000000 0.32692 98.1% - 0s 0 0 1.15541 0 52 17.00000 1.15541 93.2% - 0s H 0 0 14.0000000 1.15541 91.7% - 0s 0 0 1.48709 0 54 14.00000 1.48709 89.4% - 0s 0 0 1.49249 0 54 14.00000 1.49249 89.3% - 0s 0 0 1.49249 0 54 14.00000 1.49249 89.3% - 0s H 0 0 10.0000000 1.49249 85.1% - 0s H 0 0 8.0000000 1.49249 81.3% - 0s H 0 0 6.0000000 1.49249 75.1% - 0s 0 2 1.50336 0 54 6.00000 1.50336 74.9% - 0s * 9 4 7 5.0000000 2.91302 41.7% 23.2 0s * 14 0 3 4.0000000 4.00000 0.0% 18.5 0s Cutting planes: Gomory: 3 Mod-K: 2 Explored 15 nodes (774 simplex iterations) in 0.07 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 4.000000000000e+00, best bound 4.000000000000e+00, gap 0.0%