Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:41:21 2012 Optimize a model with 341 rows, 343 columns and 1193 nonzeros Presolve removed 0 rows and 25 columns Presolve time: 0.00s Presolved: 341 rows, 318 columns, 1168 nonzeros Variable types: 0 continuous, 318 integer (317 binary) Found heuristic solution: objective 66.0000000 Root relaxation: objective 0.000000e+00, 221 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 0 137 66.00000 0.00000 100% - 0s H 0 0 43.0000000 0.00000 100% - 0s H 0 0 41.0000000 0.00000 100% - 0s 0 0 0.33756 0 138 41.00000 0.33756 99.2% - 0s H 0 0 34.0000000 0.33756 99.0% - 0s 0 0 1.00000 0 140 34.00000 1.00000 97.1% - 0s H 0 0 29.0000000 1.00000 96.6% - 0s H 0 0 23.0000000 1.00000 95.7% - 0s 0 0 1.00000 0 142 23.00000 1.00000 95.7% - 0s 0 0 1.00000 0 140 23.00000 1.00000 95.7% - 0s H 0 0 20.0000000 1.00000 95.0% - 0s H 0 0 18.0000000 1.00000 94.4% - 0s 0 2 1.00000 0 140 18.00000 1.00000 94.4% - 0s * 67 18 45 9.0000000 1.00000 88.9% 11.9 0s H 86 12 7.0000000 1.00000 85.7% 14.5 0s Cutting planes: Gomory: 3 Mod-K: 1 Explored 128 nodes (3335 simplex iterations) in 0.18 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%