Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:59:31 2012 Optimize a model with 395 rows, 392 columns and 1377 nonzeros Presolve removed 0 rows and 24 columns Presolve time: 0.00s Presolved: 395 rows, 368 columns, 1353 nonzeros Variable types: 0 continuous, 368 integer (367 binary) Found heuristic solution: objective 62.0000000 Root relaxation: objective 0.000000e+00, 245 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 0 157 62.00000 0.00000 100% - 0s H 0 0 56.0000000 0.00000 100% - 0s H 0 0 53.0000000 0.00000 100% - 0s H 0 0 50.0000000 0.00000 100% - 0s 0 0 0.32268 0 159 50.00000 0.32268 99.4% - 0s H 0 0 45.0000000 0.32268 99.3% - 0s 0 0 0.80707 0 164 45.00000 0.80707 98.2% - 0s H 0 0 42.0000000 0.80707 98.1% - 0s H 0 0 35.0000000 0.80707 97.7% - 0s 0 0 0.80762 0 166 35.00000 0.80762 97.7% - 0s 0 0 0.80762 0 166 35.00000 0.80762 97.7% - 0s H 0 0 33.0000000 0.80762 97.6% - 0s H 0 0 31.0000000 0.80762 97.4% - 0s H 0 0 29.0000000 0.80762 97.2% - 0s 0 2 0.81333 0 164 29.00000 0.81333 97.2% - 0s H 27 27 11.0000000 1.00000 90.9% 37.7 0s * 87 35 34 9.0000000 1.00000 88.9% 28.5 0s Cutting planes: Gomory: 4 Zero half: 1 Mod-K: 2 Explored 332 nodes (11786 simplex iterations) in 0.44 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 9.000000000000e+00, best bound 9.000000000000e+00, gap 0.0%