Gurobi 5.0.1 (linux64) logging started Thu Jan 17 23:44:00 2013 Optimize a model with 280 rows, 4160 columns and 8380 nonzeros Presolve removed 20 rows and 20 columns Presolve time: 0.00s Presolved: 260 rows, 4140 columns, 8260 nonzeros Variable types: 4140 continuous, 0 integer (0 binary) Root relaxation: objective 4.642213e+04, 431 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 46422.1265 0 3 - 46422.1265 - - 0s H 0 0 46797.542467 46422.1265 0.80% - 0s 0 2 46422.1265 0 3 46797.5425 46422.1265 0.80% - 0s * 10 4 5 46739.727868 46739.7279 0.0% 22.9 0s Explored 11 nodes (660 simplex iterations) in 0.06 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 4.673972786769e+04, best bound 4.673972786769e+04, gap 0.0%