Gurobi 5.0.1 (linux64) logging started Wed Apr 24 07:21:13 2013 Optimize a model with 1034 rows, 88454 columns and 176814 nonzeros Presolve time: 0.14s Presolved: 1034 rows, 88454 columns, 176814 nonzeros Variable types: 88360 continuous, 94 integer (94 binary) Root relaxation: objective 1.015557e+05, 3234 iterations, 0.12 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 101555.740 0 7 - 101555.740 - - 0s H 0 0 104616.00000 101555.740 2.93% - 0s H 0 0 102267.00000 101555.740 0.70% - 0s 0 0 101699.969 0 5 102267.000 101699.969 0.55% - 0s 0 0 101699.969 0 7 102267.000 101699.969 0.55% - 1s 0 0 101700.034 0 5 102267.000 101700.034 0.55% - 1s 0 0 101732.107 0 4 102267.000 101732.107 0.52% - 1s 0 0 101736.320 0 4 102267.000 101736.320 0.52% - 1s 0 0 101742.817 0 4 102267.000 101742.817 0.51% - 1s 0 0 101743.549 0 4 102267.000 101743.549 0.51% - 1s 0 0 101748.656 0 4 102267.000 101748.656 0.51% - 1s 0 0 101749.274 0 4 102267.000 101749.274 0.51% - 1s 0 0 101751.542 0 4 102267.000 101751.542 0.50% - 1s 0 0 101751.542 0 4 102267.000 101751.542 0.50% - 2s 0 0 101751.542 0 4 102267.000 101751.542 0.50% - 2s 0 0 101751.542 0 4 102267.000 101751.542 0.50% - 2s H 0 0 102050.00000 101751.542 0.29% - 2s 0 2 101773.595 0 4 102050.000 101773.595 0.27% - 2s * 10 5 9 102007.00000 101874.691 0.13% 72.3 3s * 22 1 7 101992.00000 101964.576 0.03% 64.7 3s Cutting planes: Implied bound: 103 Flow cover: 18 Explored 24 nodes (7572 simplex iterations) in 3.32 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.019920000000e+05, best bound 1.019920000000e+05, gap 0.0%