Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:55:22 2012 Optimize a model with 359 rows, 368 columns and 1263 nonzeros Presolve removed 0 rows and 18 columns Presolve time: 0.00s Presolved: 359 rows, 350 columns, 1245 nonzeros Variable types: 0 continuous, 350 integer (349 binary) Found heuristic solution: objective 58.0000000 Root relaxation: objective 0.000000e+00, 248 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 0 146 58.00000 0.00000 100% - 0s H 0 0 47.0000000 0.00000 100% - 0s H 0 0 46.0000000 0.00000 100% - 0s H 0 0 43.0000000 0.00000 100% - 0s 0 0 0.17936 0 148 43.00000 0.17936 100% - 0s H 0 0 37.0000000 0.17936 100% - 0s 0 0 0.76959 0 151 37.00000 0.76959 97.9% - 0s H 0 0 34.0000000 0.76959 97.7% - 0s H 0 0 29.0000000 0.76959 97.3% - 0s 0 0 0.76959 0 151 29.00000 0.76959 97.3% - 0s H 0 0 27.0000000 0.76959 97.1% - 0s H 0 0 23.0000000 0.76959 96.7% - 0s H 0 0 20.0000000 0.76959 96.2% - 0s 0 2 0.76996 0 151 20.00000 0.76996 96.2% - 0s H 27 21 6.0000000 1.00000 83.3% 35.3 0s * 82 19 6 5.0000000 1.27321 74.5% 45.0 0s Cutting planes: Gomory: 3 Zero half: 1 Explored 168 nodes (7121 simplex iterations) in 0.27 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%