Gurobi 5.0.1 (linux64) logging started Fri Jan 18 01:40:32 2013 Optimize a model with 70 rows, 515 columns and 1270 nonzeros Presolve removed 5 rows and 5 columns Presolve time: 0.00s Presolved: 65 rows, 510 columns, 1015 nonzeros Variable types: 510 continuous, 0 integer (0 binary) Root relaxation: objective 9.601887e+03, 22 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 9601.88662 0 1 - 9601.88662 - - 0s H 0 0 9667.6565769 9601.88662 0.68% - 0s 0 2 9601.88662 0 1 9667.65658 9601.88662 0.68% - 0s * 13 7 7 9624.2066185 9620.93226 0.03% 1.2 0s Explored 19 nodes (39 simplex iterations) in 0.01 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 9.624206618510e+03, best bound 9.624206618510e+03, gap 0.0%