Gurobi 5.0.1 (linux64) logging started Wed Apr 24 11:26:16 2013 Optimize a model with 1430 rows, 169130 columns and 338130 nonzeros Presolve time: 0.37s Presolved: 1430 rows, 169130 columns, 338130 nonzeros Variable types: 169000 continuous, 130 integer (130 binary) Root relaxation: objective 1.926598e+05, 6392 iterations, 0.38 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 192659.802 0 8 - 192659.802 - - 0s H 0 0 204309.00000 192659.802 5.70% - 1s 0 0 193001.414 0 6 204309.000 193001.414 5.53% - 1s 0 0 193046.312 0 7 204309.000 193046.312 5.51% - 2s 0 0 193059.870 0 6 204309.000 193059.870 5.51% - 2s 0 0 193068.309 0 3 204309.000 193068.309 5.50% - 3s H 0 0 202991.53555 193068.309 4.89% - 3s H 0 0 201653.00000 193068.309 4.26% - 3s 0 0 193069.942 0 5 201653.000 193069.942 4.26% - 3s 0 0 193070.101 0 5 201653.000 193070.101 4.26% - 3s 0 0 193070.857 0 5 201653.000 193070.857 4.26% - 4s 0 0 193071.374 0 5 201653.000 193071.374 4.26% - 4s 0 2 193079.741 0 5 201653.000 193079.741 4.25% - 5s H 3 3 199260.66483 193124.618 3.08% 132 6s H 6 6 194664.95652 193267.473 0.72% 161 6s H 10 10 194498.35618 193268.342 0.63% 139 7s H 11 11 194446.00000 193268.342 0.61% 144 7s H 12 12 194363.52174 193268.342 0.56% 138 7s H 15 12 194211.00000 193268.342 0.49% 139 7s H 18 9 193785.00000 193268.342 0.27% 131 8s H 19 10 193773.00000 193268.342 0.26% 128 8s * 20 10 17 193739.00000 193268.342 0.24% 122 8s * 26 5 5 193374.00000 193270.575 0.05% 118 8s Cutting planes: Implied bound: 226 Flow cover: 14 Explored 32 nodes (10869 simplex iterations) in 9.28 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.933740000000e+05, best bound 1.933699592575e+05, gap 0.0021%