Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:55:21 2012 Optimize a model with 341 rows, 359 columns and 1209 nonzeros Presolve removed 0 rows and 30 columns Presolve time: 0.00s Presolved: 341 rows, 329 columns, 1179 nonzeros Variable types: 0 continuous, 329 integer (328 binary) Found heuristic solution: objective 57.0000000 Root relaxation: objective 0.000000e+00, 222 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 0 140 57.00000 0.00000 100% - 0s H 0 0 50.0000000 0.00000 100% - 0s H 0 0 48.0000000 0.00000 100% - 0s 0 0 0.16641 0 142 48.00000 0.16641 100% - 0s H 0 0 47.0000000 0.16641 100% - 0s H 0 0 42.0000000 0.16641 100% - 0s 0 0 0.76327 0 147 42.00000 0.76327 98.2% - 0s H 0 0 40.0000000 0.76327 98.1% - 0s 0 0 0.76327 0 147 40.00000 0.76327 98.1% - 0s H 0 0 34.0000000 0.76327 97.8% - 0s H 0 0 30.0000000 0.76327 97.5% - 0s H 0 0 26.0000000 0.76327 97.1% - 0s 0 2 0.76601 0 147 26.00000 0.76601 97.1% - 0s H 27 25 7.0000000 1.00000 85.7% 23.8 0s * 39 13 29 6.0000000 1.00000 83.3% 20.1 0s Cutting planes: Gomory: 4 Mod-K: 1 Explored 152 nodes (5616 simplex iterations) in 0.21 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 6.000000000000e+00, best bound 6.000000000000e+00, gap 0.0%