Gurobi 5.0.1 (linux64) logging started Fri Nov 16 21:10:37 2012 Optimize a model with 22139 rows, 27060 columns and 92658 nonzeros Presolve removed 692 rows and 5578 columns Presolve time: 0.53s Presolved: 21447 rows, 21482 columns, 85180 nonzeros Variable types: 0 continuous, 21482 integer (21482 binary) Found heuristic solution: objective 164.0000000 Root relaxation: objective 3.000000e+00, 12967 iterations, 1.28 seconds Total elapsed time = 5.97s 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% - 7s Explored 0 nodes (38832 simplex iterations) in 7.42 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%