Gurobi 5.0.1 (linux64) logging started Fri Jan 18 07:07:18 2013 Optimize a model with 1014 rows, 3012 columns and 8021 nonzeros Presolve removed 365 rows and 1070 columns Presolve time: 0.13s Presolved: 649 rows, 1942 columns, 3884 nonzeros Variable types: 1295 continuous, 647 integer (647 binary) Found heuristic solution: objective 2970.4555123 Root relaxation: objective 2.970329e+03, 2 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 2970.32908 0 1 2970.45551 2970.32908 0.00% - 0s Explored 0 nodes (2 simplex iterations) in 0.13 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.970455512268e+03, best bound 2.970329078862e+03, gap 0.0043%