Gurobi 5.0.1 (linux64) logging started Fri Jan 18 02:46:33 2013 Optimize a model with 580 rows, 1265 columns and 4025 nonzeros Presolve removed 5 rows and 5 columns Presolve time: 0.05s Presolved: 575 rows, 1260 columns, 3520 nonzeros Variable types: 760 continuous, 500 integer (500 binary) Root relaxation: objective 9.601887e+03, 50 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 2 - 9601.88662 - - 0s 0 0 9604.22406 0 2 - 9604.22406 - - 0s 0 0 9604.22406 0 2 - 9604.22406 - - 0s 0 2 9604.22406 0 2 - 9604.22406 - - 0s * 18 8 10 9624.2169973 9620.93226 0.03% 6.1 0s Cutting planes: Implied bound: 1 Explored 24 nodes (229 simplex iterations) in 0.22 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 9.624216997301e+03, best bound 9.624216997301e+03, gap 0.0%