Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:25:26 2012 Optimize a model with 219 rows, 255 columns and 800 nonzeros Presolve removed 0 rows and 25 columns Presolve time: 0.00s Presolved: 219 rows, 230 columns, 775 nonzeros Variable types: 0 continuous, 230 integer (229 binary) Found heuristic solution: objective 39.0000000 Root relaxation: objective 0.000000e+00, 147 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 85 39.00000 0.00000 100% - 0s H 0 0 26.0000000 0.00000 100% - 0s H 0 0 20.0000000 0.00000 100% - 0s H 0 0 17.0000000 0.00000 100% - 0s 0 0 0.00000 0 86 17.00000 0.00000 100% - 0s H 0 0 16.0000000 0.00000 100% - 0s H 0 0 8.0000000 0.00000 100% - 0s 0 0 0.00000 0 85 8.00000 0.00000 100% - 0s H 0 0 6.0000000 0.00000 100% - 0s H 0 0 1.0000000 0.00000 100% - 0s Explored 0 nodes (698 simplex iterations) in 0.10 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.000000000000e+00, best bound 1.000000000000e+00, gap 0.0%