Gurobi 5.0.1 (linux64) logging started Mon Nov 19 06:43:10 2012 Optimize a model with 141 rows, 24 columns and 282 nonzeros Presolve removed 103 rows and 3 columns Presolve time: 0.00s Presolved: 38 rows, 21 columns, 146 nonzeros Variable types: 0 continuous, 21 integer (21 binary) Found heuristic solution: objective 5.0000000 Root relaxation: objective 6.166667e+00, 29 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 6.16667 0 17 5.00000 6.16667 23.3% - 0s H 0 0 6.0000000 6.16667 2.78% - 0s Explored 0 nodes (32 simplex iterations) in 0.00 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 6.000000000000e+00, best bound 6.000000000000e+00, gap 0.0%