Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:38:40 2012 Optimize a model with 79 rows, 70 columns and 265 nonzeros Presolve removed 0 rows and 2 columns Presolve time: 0.00s Presolved: 79 rows, 68 columns, 263 nonzeros Variable types: 0 continuous, 68 integer (67 binary) Found heuristic solution: objective 16.0000000 Found heuristic solution: objective 15.0000000 Root relaxation: objective 0.000000e+00, 39 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 28 15.00000 0.00000 100% - 0s H 0 0 11.0000000 0.00000 100% - 0s 0 0 0.39000 0 30 11.00000 0.39000 96.5% - 0s 0 0 0.99264 0 36 11.00000 0.99264 91.0% - 0s H 0 0 9.0000000 0.99264 89.0% - 0s H 0 0 6.0000000 0.99264 83.5% - 0s 0 0 1.01347 0 37 6.00000 1.01347 83.1% - 0s 0 0 1.01347 0 37 6.00000 1.01347 83.1% - 0s H 0 0 5.0000000 1.01347 79.7% - 0s 0 2 1.02860 0 37 5.00000 1.02860 79.4% - 0s Cutting planes: Gomory: 4 Mod-K: 1 Explored 16 nodes (393 simplex iterations) in 0.03 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%