Gurobi 5.0.1 (linux64) logging started Fri Nov 16 21:07:06 2012 Optimize a model with 24785 rows, 26406 columns and 99952 nonzeros Presolve removed 21 rows and 3080 columns Presolve time: 0.51s Presolved: 24764 rows, 23326 columns, 96568 nonzeros Variable types: 0 continuous, 23326 integer (23326 binary) Found heuristic solution: objective 162.0000000 Found heuristic solution: objective 3.0000000 Root relaxation: objective 2.000000e+00, 318 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 2.00000 0 246 3.00000 2.00000 33.3% - 0s 0 0 infeasible 0 3.00000 2.00000 33.3% - 0s Explored 0 nodes (566 simplex iterations) in 0.65 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%