Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:51:58 2013 Optimize a model with 231 rows, 4431 columns and 8841 nonzeros Presolve time: 0.00s Presolved: 231 rows, 4431 columns, 8841 nonzeros Variable types: 4410 continuous, 21 integer (21 binary) Root relaxation: objective 2.589672e+04, 282 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 25896.7248 0 3 - 25896.7248 - - 0s H 0 0 26148.000000 25896.7248 0.96% - 0s H 0 0 26068.000000 25896.7248 0.66% - 0s 0 0 26012.2637 0 3 26068.0000 26012.2637 0.21% - 0s 0 0 26023.4041 0 3 26068.0000 26023.4041 0.17% - 0s 0 0 26025.2198 0 3 26068.0000 26025.2198 0.16% - 0s 0 0 26025.7643 0 3 26068.0000 26025.7643 0.16% - 0s 0 0 26026.1533 0 3 26068.0000 26026.1533 0.16% - 0s 0 0 26026.9624 0 3 26068.0000 26026.9624 0.16% - 0s 0 0 26027.3981 0 3 26068.0000 26027.3981 0.16% - 0s 0 0 26027.3981 0 3 26068.0000 26027.3981 0.16% - 0s 0 0 26028.1054 0 3 26068.0000 26028.1054 0.15% - 0s 0 0 26042.0000 0 2 26068.0000 26042.0000 0.10% - 0s 0 0 26042.0000 0 2 26068.0000 26042.0000 0.10% - 0s 0 0 26042.0000 0 2 26068.0000 26042.0000 0.10% - 0s 0 0 26042.0000 0 2 26068.0000 26042.0000 0.10% - 0s 0 0 26042.0000 0 2 26068.0000 26042.0000 0.10% - 0s 0 0 26042.0000 0 2 26068.0000 26042.0000 0.10% - 0s 0 0 26042.0000 0 2 26068.0000 26042.0000 0.10% - 0s Cutting planes: Implied bound: 17 Explored 0 nodes (620 simplex iterations) in 0.11 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.606800000000e+04, best bound 2.606800000000e+04, gap 0.0%