Gurobi 5.0.1 (linux64) logging started Fri Nov 16 15:27:17 2012 Optimize a model with 7980 rows, 4970 columns and 28630 nonzeros Presolve removed 560 rows and 0 columns Presolve time: 0.14s Presolved: 7420 rows, 4970 columns, 27230 nonzeros Variable types: 0 continuous, 4970 integer (4970 binary) Found heuristic solution: objective 40.0000000 Root relaxation: objective 3.000000e+00, 7348 iterations, 0.52 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 (10846 simplex iterations) in 1.04 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%