Gurobi 5.0.1 (linux64) logging started Tue Nov 20 15:55:34 2012 Optimize a model with 161 rows, 179 columns and 322 nonzeros Presolve removed 120 rows and 144 columns Presolve time: 0.00s Presolved: 41 rows, 35 columns, 83 nonzeros Variable types: 0 continuous, 35 integer (35 binary) Found heuristic solution: objective 109.0000000 Root relaxation: objective 1.115000e+02, 33 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 111.50000 0 7 109.00000 111.50000 2.29% - 0s H 0 0 111.0000000 111.50000 0.45% - 0s Explored 0 nodes (45 simplex iterations) in 0.00 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.110000000000e+02, best bound 1.110000000000e+02, gap 0.0%