Gurobi 5.0.1 (linux64) logging started Sun Nov 18 06:00:16 2012 Optimize a model with 405 rows, 398 columns and 1408 nonzeros Presolve removed 0 rows and 20 columns Presolve time: 0.00s Presolved: 405 rows, 378 columns, 1388 nonzeros Variable types: 0 continuous, 378 integer (377 binary) Found heuristic solution: objective 71.0000000 Root relaxation: objective 0.000000e+00, 237 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 0 159 71.00000 0.00000 100% - 0s H 0 0 63.0000000 0.00000 100% - 0s H 0 0 53.0000000 0.00000 100% - 0s 0 0 0.52187 0 160 53.00000 0.52187 99.0% - 0s H 0 0 52.0000000 0.52187 99.0% - 0s 0 0 1.11365 0 168 52.00000 1.11365 97.9% - 0s H 0 0 47.0000000 1.11365 97.6% - 0s H 0 0 41.0000000 1.11365 97.3% - 0s 0 0 1.11402 0 169 41.00000 1.11402 97.3% - 0s 0 0 1.11402 0 168 41.00000 1.11402 97.3% - 0s H 0 0 39.0000000 1.11402 97.1% - 0s H 0 0 37.0000000 1.11402 97.0% - 0s H 0 0 34.0000000 1.11402 96.7% - 0s 0 2 1.12363 0 167 34.00000 1.12363 96.7% - 0s H 27 16 11.0000000 1.16240 89.4% 29.6 0s * 65 15 14 10.0000000 1.17188 88.3% 30.3 0s Cutting planes: Gomory: 3 Zero half: 3 Mod-K: 1 Explored 121 nodes (4206 simplex iterations) in 0.26 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.000000000000e+01, best bound 1.000000000000e+01, gap 0.0%