Gurobi 5.0.1 (linux64) logging started Fri Nov 16 18:01:59 2012 Optimize a model with 7951 rows, 12656 columns and 35950 nonzeros Presolve removed 450 rows and 2 columns Presolve time: 0.14s Presolved: 7613 rows, 12654 columns, 47240 nonzeros Variable types: 0 continuous, 12654 integer (12654 binary) Found heuristic solution: objective 112.0000000 Root relaxation: objective 3.000000e+00, 4591 iterations, 0.20 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time * 0 0 0 3.0000000 3.00000 0.0% - 1s Explored 0 nodes (14649 simplex iterations) in 1.60 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%