Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:22:20 2012 Optimize a model with 209 rows, 237 columns and 757 nonzeros Presolve removed 0 rows and 26 columns Presolve time: 0.00s Presolved: 209 rows, 211 columns, 731 nonzeros Variable types: 0 continuous, 211 integer (210 binary) Found heuristic solution: objective 38.0000000 Root relaxation: objective 0.000000e+00, 146 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 86 38.00000 0.00000 100% - 0s H 0 0 31.0000000 0.00000 100% - 0s H 0 0 18.0000000 0.00000 100% - 0s 0 0 0.00000 0 87 18.00000 0.00000 100% - 0s H 0 0 17.0000000 0.00000 100% - 0s H 0 0 14.0000000 0.00000 100% - 0s 0 0 0.00000 0 86 14.00000 0.00000 100% - 0s H 0 0 12.0000000 0.00000 100% - 0s H 0 0 10.0000000 0.00000 100% - 0s H 0 0 5.0000000 0.00000 100% - 0s H 0 0 4.0000000 0.00000 100% - 0s H 0 0 2.0000000 0.00000 100% - 0s 0 2 0.00000 0 86 2.00000 0.00000 100% - 0s Explored 6 nodes (1045 simplex iterations) in 0.09 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%