Gurobi 5.0.1 (linux64) logging started Fri Nov 16 03:09:43 2012 Optimize a model with 1427 rows, 1190 columns and 5302 nonzeros Presolve removed 212 rows and 206 columns Presolve time: 0.07s Presolved: 1215 rows, 984 columns, 4516 nonzeros Variable types: 0 continuous, 984 integer (984 binary) Found heuristic solution: objective 34.0000000 Root relaxation: objective 3.000000e+00, 947 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 3.00000 0 20 34.00000 3.00000 91.2% - 0s H 0 0 3.0000000 3.00000 0.0% - 0s Explored 0 nodes (3204 simplex iterations) in 0.16 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.000000000000e+00, best bound 3.000000000000e+00, gap 0.0%