Gurobi 5.0.1 (linux64) logging started Fri Nov 16 21:08:29 2012 Optimize a model with 22355 rows, 26406 columns and 92662 nonzeros Presolve removed 2 rows and 2 columns Presolve time: 0.44s Presolved: 22515 rows, 26404 columns, 118630 nonzeros Variable types: 0 continuous, 26404 integer (26404 binary) Found heuristic solution: objective 162.0000000 Found heuristic solution: objective 3.0000000 Root relaxation: objective 2.000000e+00, 323 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 0 224 3.00000 2.00000 33.3% - 0s Explored 0 nodes (594 simplex iterations) in 0.58 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%