Gurobi 5.0.1 (linux64) logging started Tue Apr 23 22:02:09 2013 Optimize a model with 75 rows, 1275 columns and 2525 nonzeros Presolve removed 10 rows and 1010 columns Presolve time: 0.00s Presolved: 65 rows, 265 columns, 465 nonzeros Variable types: 241 continuous, 24 integer (24 binary) Root relaxation: objective 7.648956e+05, 26 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 764895.648 0 20 - 764895.648 - - 0s H 0 0 1012421.1125 764895.648 24.4% - 0s H 0 0 936164.35000 764895.648 18.3% - 0s 0 0 866819.269 0 12 936164.350 866819.269 7.41% - 0s H 0 0 907653.18750 866819.269 4.50% - 0s 0 0 886132.357 0 9 907653.188 886132.357 2.37% - 0s H 0 0 902007.96250 886132.357 1.76% - 0s 0 0 892782.931 0 1 902007.963 892782.931 1.02% - 0s H 0 0 894008.13750 892782.931 0.14% - 0s 0 0 893146.226 0 4 894008.138 893146.226 0.10% - 0s 0 0 893435.121 0 1 894008.138 893435.121 0.06% - 0s H 0 0 893782.11250 893435.121 0.04% - 0s 0 0 893435.121 0 15 893782.113 893435.121 0.04% - 0s 0 0 893435.121 0 7 893782.113 893435.121 0.04% - 0s 0 0 893435.121 0 5 893782.113 893435.121 0.04% - 0s 0 0 cutoff 0 893782.113 893782.113 0.0% - 0s Cutting planes: Gomory: 2 Implied bound: 44 Explored 0 nodes (206 simplex iterations) in 0.01 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 8.937821125000e+05, best bound 8.937821125000e+05, gap 0.0%