Gurobi 5.0.1 (linux64) logging started Thu Jan 17 23:43:33 2013 Optimize a model with 190 rows, 1170 columns and 2410 nonzeros Presolve removed 20 rows and 30 columns Presolve time: 0.00s Presolved: 170 rows, 1140 columns, 2280 nonzeros Variable types: 1100 continuous, 40 integer (40 binary) Root relaxation: objective 2.337984e+04, 133 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 23379.8401 0 1 - 23379.8401 - - 0s 0 0 23433.1578 0 2 - 23433.1578 - - 0s 0 0 23433.1671 0 2 - 23433.1671 - - 0s 0 0 23433.1671 0 2 - 23433.1671 - - 0s H 0 0 23546.364053 23433.1671 0.48% - 0s 0 2 23502.9273 0 2 23546.3641 23502.9273 0.18% - 0s * 4 2 4 23525.622300 23520.1717 0.02% 7.5 0s Cutting planes: Gomory: 1 Flow cover: 2 Explored 8 nodes (210 simplex iterations) in 0.05 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.352562229968e+04, best bound 2.352562229968e+04, gap 0.0%