Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:50:29 2013 Optimize a model with 77 rows, 497 columns and 987 nonzeros Presolve time: 0.00s Presolved: 77 rows, 497 columns, 987 nonzeros Variable types: 490 continuous, 7 integer (7 binary) Root relaxation: objective 1.260308e+04, 44 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12603.0808 0 2 - 12603.0808 - - 0s H 0 0 12634.000000 12603.0808 0.24% - 0s 0 0 12627.4545 0 1 12634.0000 12627.4545 0.05% - 0s Explored 0 nodes (52 simplex iterations) in 0.00 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.263400000000e+04, best bound 1.263400000000e+04, gap 0.0%