Gurobi 5.0.1 (linux64) logging started Sat Dec 8 10:25:16 2012 Optimize a model with 3255 rows, 3240 columns and 11819 nonzeros Presolve removed 360 rows and 108 columns Presolve time: 0.02s Presolved: 2895 rows, 3132 columns, 11029 nonzeros Variable types: 2789 continuous, 343 integer (343 binary) Root relaxation: objective 1.097926e+05, 478 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 109792.622 0 2 - 109792.622 - - 0s H 0 0 110251.00000 109792.622 0.42% - 0s H 0 0 109793.00000 109792.622 0.00% - 0s Explored 0 nodes (478 simplex iterations) in 0.04 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.097930000000e+05, best bound 1.097926217391e+05, gap 0.0003%