Gurobi 5.0.1 (linux64) logging started Fri Nov 16 15:51:21 2012 Optimize a model with 11096 rows, 5402 columns and 38398 nonzeros Presolve removed 584 rows and 0 columns Presolve time: 0.21s Presolved: 10512 rows, 5402 columns, 36938 nonzeros Variable types: 0 continuous, 5402 integer (5402 binary) Found heuristic solution: objective 40.0000000 Root relaxation: objective 3.000000e+00, 9426 iterations, 1.34 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 3.00000 0 96 40.00000 3.00000 92.5% - 3s H 0 0 4.0000000 3.00000 25.0% - 3s H 0 0 3.0000000 3.00000 0.0% - 3s Explored 0 nodes (24631 simplex iterations) in 3.56 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%