Gurobi 5.0.1 (linux64) logging started Fri Jan 18 00:55:14 2013 Optimize a model with 170 rows, 560 columns and 1305 nonzeros Presolve removed 10 rows and 15 columns Presolve time: 0.00s Presolved: 160 rows, 545 columns, 1090 nonzeros Variable types: 450 continuous, 95 integer (95 binary) Root relaxation: objective 1.174557e+04, 37 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 11745.5748 0 1 - 11745.5748 - - 0s 0 0 11748.7515 0 2 - 11748.7515 - - 0s 0 0 11748.7525 0 2 - 11748.7525 - - 0s 0 0 11748.7525 0 2 - 11748.7525 - - 0s H 0 0 11786.791327 11748.7525 0.32% - 0s 0 2 11765.4972 0 2 11786.7913 11765.4972 0.18% - 0s * 3 1 3 11779.327773 11774.0766 0.04% 4.3 0s Cutting planes: Gomory: 1 Flow cover: 2 Explored 6 nodes (86 simplex iterations) in 0.02 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.177932777266e+04, best bound 1.177932777266e+04, gap 0.0%