Gurobi 5.0.1 (linux64) logging started Thu Jan 17 23:43:27 2013 Optimize a model with 28 rows, 56 columns and 118 nonzeros Presolve removed 22 rows and 23 columns Presolve time: 0.00s Presolved: 6 rows, 33 columns, 64 nonzeros Variable types: 33 continuous, 0 integer (0 binary) Root relaxation: objective 7.444602e+03, 4 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 7444.60178 0 1 - 7444.60178 - - 0s H 0 0 7458.4398410 7444.60178 0.19% - 0s 0 2 7444.60178 0 1 7458.43984 7444.60178 0.19% - 0s Explored 5 nodes (5 simplex iterations) in 0.00 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 7.458439840955e+03, best bound 7.458439840955e+03, gap 0.0%