Gurobi 5.0.1 (linux64) logging started Wed Apr 24 01:31:03 2013 Optimize a model with 649 rows, 34869 columns and 69679 nonzeros Presolve time: 0.05s Presolved: 649 rows, 34869 columns, 69679 nonzeros Variable types: 34810 continuous, 59 integer (59 binary) Root relaxation: objective 6.493302e+04, 1366 iterations, 0.03 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 64933.0196 0 11 - 64933.0196 - - 0s H 0 0 69167.000000 64933.0196 6.12% - 0s 0 0 65566.0580 0 6 69167.0000 65566.0580 5.21% - 0s H 0 0 68918.282885 65566.0580 4.86% - 0s H 0 0 67923.000000 65566.0580 3.47% - 0s 0 0 65589.4362 0 7 67923.0000 65589.4362 3.44% - 0s H 0 0 67324.000000 65589.4362 2.58% - 0s 0 0 65590.2394 0 6 67324.0000 65590.2394 2.58% - 0s H 0 0 66031.000000 65590.2394 0.67% - 0s 0 0 65590.4730 0 3 66031.0000 65590.4730 0.67% - 0s 0 0 65590.6452 0 5 66031.0000 65590.6452 0.67% - 0s 0 0 65590.9022 0 6 66031.0000 65590.9022 0.67% - 0s H 0 0 65772.000000 65590.9022 0.28% - 0s 0 0 65590.9022 0 11 65772.0000 65590.9022 0.28% - 0s 0 0 65590.9022 0 6 65772.0000 65590.9022 0.28% - 0s 0 0 65590.9022 0 7 65772.0000 65590.9022 0.28% - 0s 0 0 65590.9022 0 6 65772.0000 65590.9022 0.28% - 0s 0 0 65590.9022 0 6 65772.0000 65590.9022 0.28% - 1s 0 0 65590.9022 0 7 65772.0000 65590.9022 0.28% - 1s H 0 0 65641.000000 65590.9022 0.08% - 1s 0 1 65637.0000 0 2 65641.0000 65637.0000 0.01% - 1s Cutting planes: Implied bound: 128 Flow cover: 5 Explored 1 nodes (3369 simplex iterations) in 1.26 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 6.564100000000e+04, best bound 6.563700000000e+04, gap 0.0061%