Gurobi 5.0.1 (linux64) logging started Fri Nov 16 21:09:43 2012 Optimize a model with 21841 rows, 26732 columns and 91441 nonzeros Presolve removed 980 rows and 2 columns Presolve time: 0.48s Presolved: 21024 rows, 26730 columns, 115309 nonzeros Variable types: 0 continuous, 26730 integer (26730 binary) Found heuristic solution: objective 163.0000000 Root relaxation: objective 3.000000e+00, 13887 iterations, 1.64 seconds Total elapsed time = 6.47s Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 3.00000 0 20 163.00000 3.00000 98.2% - 7s H 0 0 3.0000000 3.00000 0.0% - 7s Explored 0 nodes (37486 simplex iterations) in 7.11 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%