Gurobi 5.0.1 (linux64) logging started Fri Jan 18 07:06:07 2013 Optimize a model with 1400 rows, 150300 columns and 350400 nonzeros Presolve removed 100 rows and 100 columns Presolve time: 0.27s Presolved: 1300 rows, 150200 columns, 300300 nonzeros Variable types: 150200 continuous, 0 integer (0 binary) Root relaxation: objective 9.188392e+05, 10499 iterations, 1.04 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 918839.221 0 4 - 918839.221 - - 1s 0 2 918839.221 0 4 - 918839.221 - - 5s 26 28 924606.323 13 2 - 919277.041 - 190 10s * 27 23 14 924008.65682 919277.041 0.51% 193 10s * 97 13 49 919373.15499 919284.268 0.01% 63.0 13s Explored 98 nodes (16610 simplex iterations) in 13.45 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 9.193731549857e+05, best bound 9.192842681540e+05, gap 0.0097%