Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:39:56 2012 Optimize a model with 317 rows, 329 columns and 1119 nonzeros Presolve removed 0 rows and 21 columns Presolve time: 0.00s Presolved: 317 rows, 308 columns, 1098 nonzeros Variable types: 0 continuous, 308 integer (307 binary) Found heuristic solution: objective 55.0000000 Root relaxation: objective 0.000000e+00, 193 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 0 131 55.00000 0.00000 100% - 0s H 0 0 47.0000000 0.00000 100% - 0s H 0 0 29.0000000 0.00000 100% - 0s H 0 0 25.0000000 0.00000 100% - 0s 0 0 0.16189 0 133 25.00000 0.16189 99.4% - 0s H 0 0 22.0000000 0.16189 99.3% - 0s 0 0 0.73481 0 138 22.00000 0.73481 96.7% - 0s H 0 0 21.0000000 0.73481 96.5% - 0s 0 0 0.73481 0 138 21.00000 0.73481 96.5% - 0s H 0 0 16.0000000 0.73481 95.4% - 0s H 0 0 12.0000000 0.73481 93.9% - 0s H 0 0 9.0000000 0.73481 91.8% - 0s 0 2 0.73509 0 138 9.00000 0.73509 91.8% - 0s H 27 25 6.0000000 1.00000 83.3% 26.7 0s * 34 16 23 5.0000000 1.00000 80.0% 22.6 0s Cutting planes: Gomory: 4 Mod-K: 1 Explored 208 nodes (5076 simplex iterations) in 0.21 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%