Gurobi 5.0.1 (linux64) logging started Fri Nov 16 20:52:53 2012 Optimize a model with 18326 rows, 22350 columns and 76584 nonzeros Presolve removed 300 rows and 2 columns Presolve time: 0.36s Presolved: 18175 rows, 22348 columns, 97798 nonzeros Variable types: 0 continuous, 22348 integer (22348 binary) Found heuristic solution: objective 149.0000000 Root relaxation: objective 3.000000e+00, 14883 iterations, 1.28 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 (14883 simplex iterations) in 1.70 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%