Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:24:08 2012 Optimize a model with 217 rows, 249 columns and 789 nonzeros Presolve removed 0 rows and 31 columns Presolve time: 0.00s Presolved: 217 rows, 218 columns, 758 nonzeros Variable types: 0 continuous, 218 integer (217 binary) Found heuristic solution: objective 34.0000000 Root relaxation: objective 0.000000e+00, 142 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 90 34.00000 0.00000 100% - 0s H 0 0 33.0000000 0.00000 100% - 0s H 0 0 28.0000000 0.00000 100% - 0s H 0 0 23.0000000 0.00000 100% - 0s H 0 0 14.0000000 0.00000 100% - 0s 0 0 0.00000 0 93 14.00000 0.00000 100% - 0s H 0 0 11.0000000 0.00000 100% - 0s 0 0 0.00000 0 90 11.00000 0.00000 100% - 0s H 0 0 6.0000000 0.00000 100% - 0s 0 2 0.00000 0 90 6.00000 0.00000 100% - 0s * 14 6 10 2.0000000 0.78947 60.5% 32.9 0s Explored 22 nodes (1227 simplex iterations) in 0.11 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.000000000000e+00, best bound 2.000000000000e+00, gap 0.0%