Gurobi 5.0.1 (linux64) logging started Fri Nov 16 17:58:59 2012 Optimize a model with 7738 rows, 11990 columns and 34660 nonzeros Presolve removed 2 rows and 2 columns Presolve time: 0.13s Presolved: 7845 rows, 11988 columns, 46399 nonzeros Variable types: 0 continuous, 11988 integer (11988 binary) Found heuristic solution: objective 109.0000000 Root relaxation: objective 2.000000e+00, 5034 iterations, 0.11 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 2.00000 0 42 109.00000 2.00000 98.2% - 0s H 0 0 102.0000000 2.00000 98.0% - 0s H 0 0 3.0000000 2.00000 33.3% - 0s 0 0 infeasible 0 3.00000 2.00000 33.3% - 0s Explored 0 nodes (16519 simplex iterations) in 0.52 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%