Gurobi 5.0.1 (linux64) logging started Fri Jan 18 00:15:50 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 2.337984e+04, 95 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 H 0 0 23612.210621 23379.8401 0.98% - 0s 0 2 23379.8401 0 1 23612.2106 23379.8401 0.98% - 0s * 11 3 6 23526.709807 23520.1717 0.03% 3.5 0s Explored 15 nodes (136 simplex iterations) in 0.02 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.352670980679e+04, best bound 2.352670980679e+04, gap 0.0%