Gurobi 5.0.1 (linux64) logging started Thu Jan 17 23:44:01 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 3.709539e+04, 365 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 37095.3933 0 4 - 37095.3933 - - 0s H 0 0 37252.786539 37095.3933 0.42% - 0s 0 2 37095.3933 0 4 37252.7865 37095.3933 0.42% - 0s Explored 17 nodes (443 simplex iterations) in 0.05 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.725278653873e+04, best bound 3.725017439478e+04, gap 0.0070%