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 2.199252e+04, 72 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 21992.5209 0 2 - 21992.5209 - - 0s H 0 0 22202.166751 21992.5209 0.94% - 0s 0 2 21992.5209 0 2 22202.1668 21992.5209 0.94% - 0s * 7 3 4 22134.404174 22133.7105 0.00% 1.4 0s Explored 8 nodes (82 simplex iterations) in 0.01 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.213440417441e+04, best bound 2.213371045431e+04, gap 0.0031%