Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:42:27 2012 Optimize a model with 311 rows, 330 columns and 1105 nonzeros Presolve removed 0 rows and 35 columns Presolve time: 0.00s Presolved: 311 rows, 295 columns, 1070 nonzeros Variable types: 0 continuous, 295 integer (294 binary) Found heuristic solution: objective 49.0000000 Root relaxation: objective 0.000000e+00, 230 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 0 125 49.00000 0.00000 100% - 0s H 0 0 44.0000000 0.00000 100% - 0s H 0 0 38.0000000 0.00000 100% - 0s H 0 0 33.0000000 0.00000 100% - 0s 0 0 0.28182 0 128 33.00000 0.28182 99.1% - 0s H 0 0 21.0000000 0.28182 98.7% - 0s H 0 0 11.0000000 0.28182 97.4% - 0s 0 0 0.79556 0 139 11.00000 0.79556 92.8% - 0s H 0 0 8.0000000 0.79556 90.1% - 0s 0 0 0.79556 0 143 8.00000 0.79556 90.1% - 0s 0 0 0.79556 0 131 8.00000 0.79556 90.1% - 0s H 0 0 7.0000000 0.79556 88.6% - 0s 0 2 0.84610 0 131 7.00000 0.84610 87.9% - 0s * 24 10 16 5.0000000 0.88455 82.3% 19.1 0s Cutting planes: Gomory: 3 Mod-K: 2 Explored 53 nodes (2395 simplex iterations) in 0.14 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%