Gurobi 5.0.1 (linux64) logging started Fri Jan 18 00:15:49 2013 Optimize a model with 140 rows, 1130 columns and 2340 nonzeros Presolve removed 10 rows and 10 columns Presolve time: 0.00s Presolved: 130 rows, 1120 columns, 2230 nonzeros Variable types: 1120 continuous, 0 integer (0 binary) Root relaxation: objective 1.937272e+04, 91 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 19372.7157 0 2 - 19372.7157 - - 0s H 0 0 19595.690215 19372.7157 1.14% - 0s 0 2 19372.7157 0 2 19595.6902 19372.7157 1.14% - 0s * 12 6 6 19530.953166 19512.3595 0.10% 4.2 0s * 13 1 7 19517.941698 19512.3595 0.03% 4.2 0s * 14 0 7 19512.982017 19512.9820 0.0% 3.9 0s Explored 15 nodes (146 simplex iterations) in 0.02 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.951298201724e+04, best bound 1.951298201724e+04, gap 0.0%