Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:35:54 2012 Optimize a model with 239 rows, 285 columns and 880 nonzeros Presolve removed 0 rows and 38 columns Presolve time: 0.00s Presolved: 239 rows, 247 columns, 842 nonzeros Variable types: 0 continuous, 247 integer (246 binary) Found heuristic solution: objective 38.0000000 Root relaxation: objective 0.000000e+00, 176 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 38.00000 0.00000 100% - 0s H 0 0 21.0000000 0.00000 100% - 0s H 0 0 4.0000000 0.00000 100% - 0s 0 0 0.00000 0 88 4.00000 0.00000 100% - 0s H 0 0 3.0000000 0.00000 100% - 0s H 0 0 1.0000000 0.00000 100% - 0s 0 0 0.00000 0 85 1.00000 0.00000 100% - 0s Explored 0 nodes (560 simplex iterations) in 0.03 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%