Gurobi 5.0.1 (linux64) logging started Wed Apr 24 01:40:45 2013 Optimize a model with 682 rows, 38502 columns and 76942 nonzeros Presolve time: 0.05s Presolved: 682 rows, 38502 columns, 76942 nonzeros Variable types: 38440 continuous, 62 integer (62 binary) Root relaxation: objective 6.218775e+04, 1430 iterations, 0.04 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 62187.7506 0 10 - 62187.7506 - - 0s H 0 0 68434.000000 62187.7506 9.13% - 0s H 0 0 67333.000000 62187.7506 7.64% - 0s 0 0 62396.8609 0 6 67333.0000 62396.8609 7.33% - 0s H 0 0 66178.523905 62396.8609 5.71% - 0s H 0 0 65628.000000 62396.8609 4.92% - 0s 0 0 62433.4928 0 6 65628.0000 62433.4928 4.87% - 0s 0 0 62436.2857 0 7 65628.0000 62436.2857 4.86% - 0s H 0 0 64416.000000 62436.2857 3.07% - 0s 0 0 62438.3270 0 4 64416.0000 62438.3270 3.07% - 0s 0 0 62439.5783 0 7 64416.0000 62439.5783 3.07% - 0s 0 0 62439.8281 0 5 64416.0000 62439.8281 3.07% - 0s 0 0 62440.0092 0 5 64416.0000 62440.0092 3.07% - 0s 0 0 62440.0092 0 5 64416.0000 62440.0092 3.07% - 0s H 0 0 62604.000000 62440.0092 0.26% - 0s 0 0 62440.0092 0 10 62604.0000 62440.0092 0.26% - 1s 0 0 62440.0092 0 6 62604.0000 62440.0092 0.26% - 1s 0 0 62440.0092 0 6 62604.0000 62440.0092 0.26% - 1s 0 0 62440.0092 0 7 62604.0000 62440.0092 0.26% - 1s 0 0 62440.1584 0 5 62604.0000 62440.1584 0.26% - 1s 0 0 62440.5059 0 8 62604.0000 62440.5059 0.26% - 1s 0 0 62440.5867 0 5 62604.0000 62440.5867 0.26% - 1s 0 0 62440.7679 0 5 62604.0000 62440.7679 0.26% - 1s 0 0 62440.7679 0 5 62604.0000 62440.7679 0.26% - 1s 0 2 62440.9089 0 5 62604.0000 62440.9089 0.26% - 1s * 11 6 11 62566.000000 62491.8889 0.12% 22.2 1s Cutting planes: Implied bound: 102 Flow cover: 21 Explored 46 nodes (4234 simplex iterations) in 2.04 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 6.256600000000e+04, best bound 6.256114160486e+04, gap 0.0078%