Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:52:21 2012 Optimize a model with 371 rows, 368 columns and 1293 nonzeros Presolve removed 0 rows and 28 columns Presolve time: 0.00s Presolved: 371 rows, 340 columns, 1265 nonzeros Variable types: 0 continuous, 340 integer (339 binary) Found heuristic solution: objective 58.0000000 Root relaxation: objective 0.000000e+00, 228 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 0 150 58.00000 0.00000 100% - 0s H 0 0 51.0000000 0.00000 100% - 0s H 0 0 45.0000000 0.00000 100% - 0s 0 0 0.36903 0 152 45.00000 0.36903 99.2% - 0s H 0 0 42.0000000 0.36903 99.1% - 0s 0 0 0.89376 0 156 42.00000 0.89376 97.9% - 0s H 0 0 34.0000000 0.89376 97.4% - 0s 0 0 0.89376 0 154 34.00000 0.89376 97.4% - 0s 0 0 0.89432 0 156 34.00000 0.89432 97.4% - 0s 0 0 0.89432 0 156 34.00000 0.89432 97.4% - 0s 0 2 0.89791 0 156 34.00000 0.89791 97.4% - 0s * 33 24 18 11.0000000 2.51607 77.1% 26.0 0s Cutting planes: Gomory: 3 Zero half: 2 Mod-K: 1 Explored 137 nodes (4687 simplex iterations) in 0.22 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.100000000000e+01, best bound 1.100000000000e+01, gap 0.0%