Gurobi 5.0.1 (linux64) logging started Tue Nov 20 15:55:46 2012 Optimize a model with 286 rows, 230 columns and 572 nonzeros Presolve removed 253 rows and 201 columns Presolve time: 0.00s Presolved: 33 rows, 29 columns, 66 nonzeros Variable types: 0 continuous, 29 integer (29 binary) Found heuristic solution: objective 127.0000000 Root relaxation: objective 1.295000e+02, 31 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 129.50000 0 19 127.00000 129.50000 1.97% - 0s H 0 0 128.0000000 129.50000 1.17% - 0s H 0 0 129.0000000 129.50000 0.39% - 0s Explored 0 nodes (37 simplex iterations) in 0.00 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.290000000000e+02, best bound 1.290000000000e+02, gap 0.0%