Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:51:27 2012 Optimize a model with 343 rows, 352 columns and 1207 nonzeros Presolve removed 0 rows and 24 columns Presolve time: 0.00s Presolved: 343 rows, 328 columns, 1183 nonzeros Variable types: 0 continuous, 328 integer (327 binary) Found heuristic solution: objective 70.0000000 Root relaxation: objective 0.000000e+00, 219 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 0 142 70.00000 0.00000 100% - 0s H 0 0 42.0000000 0.00000 100% - 0s H 0 0 41.0000000 0.00000 100% - 0s H 0 0 37.0000000 0.00000 100% - 0s 0 0 0.24790 0 144 37.00000 0.24790 99.3% - 0s H 0 0 32.0000000 0.24790 99.2% - 0s 0 0 0.79123 0 146 32.00000 0.79123 97.5% - 0s H 0 0 23.0000000 0.79123 96.6% - 0s H 0 0 17.0000000 0.79123 95.3% - 0s H 0 0 16.0000000 0.79123 95.1% - 0s 0 2 0.79301 0 146 16.00000 0.79301 95.0% - 0s H 27 27 8.0000000 1.00000 87.5% 49.2 0s * 33 27 23 7.0000000 1.00000 85.7% 42.5 0s H 121 29 6.0000000 1.05697 82.4% 29.0 0s Cutting planes: Gomory: 4 Zero half: 1 Explored 187 nodes (7248 simplex iterations) in 0.26 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 6.000000000000e+00, best bound 6.000000000000e+00, gap 0.0%