Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:26:33 2012 Optimize a model with 219 rows, 259 columns and 804 nonzeros Presolve removed 0 rows and 36 columns Presolve time: 0.00s Presolved: 219 rows, 223 columns, 768 nonzeros Variable types: 0 continuous, 223 integer (222 binary) Found heuristic solution: objective 32.0000000 Root relaxation: objective 0.000000e+00, 154 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 32.00000 0.00000 100% - 0s H 0 0 26.0000000 0.00000 100% - 0s H 0 0 19.0000000 0.00000 100% - 0s H 0 0 18.0000000 0.00000 100% - 0s H 0 0 13.0000000 0.00000 100% - 0s 0 0 0.00000 0 86 13.00000 0.00000 100% - 0s H 0 0 12.0000000 0.00000 100% - 0s 0 0 0.00000 0 85 12.00000 0.00000 100% - 0s H 0 0 7.0000000 0.00000 100% - 0s H 0 0 1.0000000 0.00000 100% - 0s Explored 0 nodes (706 simplex iterations) in 0.09 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%