Gurobi 5.0.1 (linux64) logging started Fri Nov 16 17:37:54 2012 Optimize a model with 1159 rows, 3782 columns and 7015 nonzeros Presolve removed 35 rows and 2135 columns Presolve time: 0.03s Presolved: 1124 rows, 1647 columns, 4880 nonzeros Variable types: 0 continuous, 1647 integer (1647 binary) Found heuristic solution: objective 10.0000000 Found heuristic solution: objective 2.0000000 Root relaxation: cutoff, 998 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 cutoff 0 2.00000 1.00000 50.0% - 0s Explored 0 nodes (998 simplex iterations) in 0.04 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.000000000000e+00, best bound 2.000000000000e+00, gap 0.0%