Gurobi 5.0.1 (linux64) logging started Mon Feb 4 16:10:40 2013 Optimize a model with 930 rows, 10578 columns and 677775 nonzeros Presolve removed 2 rows and 3 columns Presolve time: 1.62s Presolved: 928 rows, 10575 columns, 677671 nonzeros Variable types: 0 continuous, 10575 integer (10575 binary) Found heuristic solution: objective 5945.0000000 Root relaxation: objective 4.816000e+03, 1744 iterations, 0.32 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time * 0 0 0 4816.0000000 4816.00000 0.0% - 2s Explored 0 nodes (1744 simplex iterations) in 2.05 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 4.816000000000e+03, best bound 4.816000000000e+03, gap 0.0%