Gurobi 5.0.1 (linux64) logging started Thu Jan 17 23:16:14 2013 Optimize a model with 90 rows, 285 columns and 595 nonzeros Presolve removed 15 rows and 10 columns Presolve time: 0.00s Presolved: 75 rows, 275 columns, 555 nonzeros Variable types: 270 continuous, 5 integer (5 binary) Root relaxation: objective 1.174557e+04, 42 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 11770.8641 0 2 - 11770.8641 - - 0s 0 0 11771.6897 0 1 - 11771.6897 - - 0s 0 0 11774.1429 0 1 - 11774.1429 - - 0s * 0 0 0 11774.180479 11774.1805 0.0% - 0s Cutting planes: Gomory: 1 Flow cover: 1 Explored 0 nodes (67 simplex iterations) in 0.01 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.177418047854e+04, best bound 1.177418047854e+04, gap 0.0%