Gurobi 5.0.1 (linux64) logging started Wed Apr 24 04:54:15 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 9.270636e+04, 2387 iterations, 0.08 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 92706.3604 0 8 - 92706.3604 - - 0s H 0 0 104538.00000 92706.3604 11.3% - 0s H 0 0 93557.000000 92706.3604 0.91% - 0s 0 0 93131.5398 0 6 93557.0000 93131.5398 0.45% - 0s 0 0 93131.5398 0 8 93557.0000 93131.5398 0.45% - 0s 0 0 93131.8461 0 6 93557.0000 93131.8461 0.45% - 1s 0 0 93226.4712 0 6 93557.0000 93226.4712 0.35% - 1s 0 0 93241.1428 0 5 93557.0000 93241.1428 0.34% - 1s 0 0 93243.9475 0 6 93557.0000 93243.9475 0.33% - 1s 0 0 93247.7827 0 6 93557.0000 93247.7827 0.33% - 1s 0 0 93249.6623 0 4 93557.0000 93249.6623 0.33% - 1s 0 0 93249.7377 0 4 93557.0000 93249.7377 0.33% - 1s 0 0 93249.7377 0 4 93557.0000 93249.7377 0.33% - 1s 0 0 93249.7377 0 4 93557.0000 93249.7377 0.33% - 1s 0 2 93257.0574 0 4 93557.0000 93257.0574 0.32% - 2s * 7 3 7 93484.000000 93412.4528 0.08% 60.4 2s Cutting planes: Implied bound: 98 Flow cover: 11 Explored 11 nodes (5446 simplex iterations) in 2.34 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 9.348400000000e+04, best bound 9.348400000000e+04, gap 0.0%