Gurobi 5.0.1 (linux64) logging started Tue Apr 23 22:02:14 2013 Optimize a model with 100 rows, 2550 columns and 5050 nonzeros Presolve removed 8 rows and 2039 columns Presolve time: 0.00s Presolved: 92 rows, 511 columns, 924 nonzeros Variable types: 462 continuous, 49 integer (49 binary) Root relaxation: objective 6.974970e+05, 56 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 697497.027 0 44 - 697497.027 - - 0s H 0 0 1154154.7500 697497.027 39.6% - 0s 0 0 799598.909 0 24 1154154.75 799598.909 30.7% - 0s H 0 0 1071671.6803 799598.909 25.4% - 0s H 0 0 899612.26250 799598.909 11.1% - 0s 0 0 826443.565 0 22 899612.263 826443.565 8.13% - 0s 0 0 839883.932 0 14 899612.263 839883.932 6.64% - 0s H 0 0 885932.93750 839883.932 5.20% - 0s 0 0 847186.987 0 12 885932.938 847186.987 4.37% - 0s 0 0 848808.739 0 6 885932.938 848808.739 4.19% - 0s H 0 0 852257.97500 848808.739 0.40% - 0s 0 0 848808.739 0 40 852257.975 848808.739 0.40% - 0s 0 0 848808.739 0 20 852257.975 848808.739 0.40% - 0s 0 0 848808.739 0 19 852257.975 848808.739 0.40% - 0s 0 0 848808.739 0 13 852257.975 848808.739 0.40% - 0s 0 0 849252.173 0 12 852257.975 849252.173 0.35% - 0s 0 0 851437.429 0 2 852257.975 851437.429 0.10% - 0s * 0 0 0 851495.32500 851495.325 0.0% - 0s Cutting planes: Implied bound: 130 Explored 0 nodes (417 simplex iterations) in 0.03 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 8.514953250000e+05, best bound 8.514953250000e+05, gap 0.0000%