Gurobi 5.0.1 (linux64) logging started Wed Apr 24 04:54:08 2013 Optimize a model with 946 rows, 74046 columns and 148006 nonzeros Presolve time: 0.12s Presolved: 946 rows, 74046 columns, 148006 nonzeros Variable types: 73960 continuous, 86 integer (86 binary) Root relaxation: objective 1.139057e+05, 2993 iterations, 0.11 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 113905.740 0 13 - 113905.740 - - 0s H 0 0 133180.00000 113905.740 14.5% - 0s 0 0 114198.436 0 7 133180.000 114198.436 14.3% - 0s H 0 0 129251.80420 114198.436 11.6% - 0s H 0 0 125962.00000 114198.436 9.34% - 0s 0 0 114244.821 0 7 125962.000 114244.821 9.30% - 0s H 0 0 125462.00000 114244.821 8.94% - 0s 0 0 114259.132 0 7 125462.000 114259.132 8.93% - 0s 0 0 114260.247 0 6 125462.000 114260.247 8.93% - 1s H 0 0 124257.70352 114260.247 8.05% - 1s H 0 0 120403.00000 114260.247 5.10% - 1s 0 0 114263.891 0 6 120403.000 114263.891 5.10% - 1s 0 0 114268.583 0 6 120403.000 114268.583 5.09% - 1s 0 0 114268.962 0 6 120403.000 114268.962 5.09% - 1s 0 0 114269.009 0 6 120403.000 114269.009 5.09% - 1s 0 0 114269.146 0 5 120403.000 114269.146 5.09% - 1s H 0 0 120319.00000 114269.146 5.03% - 1s 0 0 114269.146 0 5 120319.000 114269.146 5.03% - 2s 0 2 114269.519 0 5 120319.000 114269.519 5.03% - 2s H 2 2 119085.21345 114287.548 4.03% 21.5 2s H 9 9 117767.98100 114344.449 2.91% 64.9 2s H 11 11 115635.95775 114344.449 1.12% 66.1 3s H 13 12 115619.00000 114344.449 1.10% 60.8 3s H 14 13 115457.00000 114344.449 0.96% 58.4 3s H 17 11 114673.00000 114344.449 0.29% 54.5 3s * 20 11 16 114669.00000 114344.449 0.28% 56.0 3s * 21 10 16 114647.00000 114344.449 0.26% 56.8 3s H 32 13 114610.00000 114368.430 0.21% 58.9 3s * 34 11 11 114560.00000 114368.430 0.17% 56.8 3s Cutting planes: Implied bound: 191 Flow cover: 16 Explored 72 nodes (7868 simplex iterations) in 4.61 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.145600000000e+05, best bound 1.145509911370e+05, gap 0.0079%