Gurobi 5.0.1 (linux64) logging started Wed Apr 24 07:45:22 2013 Optimize a model with 1045 rows, 90345 columns and 180595 nonzeros Presolve time: 0.16s Presolved: 1045 rows, 90345 columns, 180595 nonzeros Variable types: 90250 continuous, 95 integer (95 binary) Root relaxation: objective 1.173210e+05, 3334 iterations, 0.13 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 117321.031 0 10 - 117321.031 - - 0s H 0 0 127456.00000 117321.031 7.95% - 0s H 0 0 118212.00000 117321.031 0.75% - 0s 0 0 117570.589 0 4 118212.000 117570.589 0.54% - 0s 0 0 117570.589 0 10 118212.000 117570.589 0.54% - 1s 0 0 117570.589 0 4 118212.000 117570.589 0.54% - 1s 0 0 117598.407 0 5 118212.000 117598.407 0.52% - 1s 0 0 117604.410 0 4 118212.000 117604.410 0.51% - 1s 0 0 117607.707 0 3 118212.000 117607.707 0.51% - 1s 0 0 117608.276 0 2 118212.000 117608.276 0.51% - 1s 0 0 117609.772 0 2 118212.000 117609.772 0.51% - 1s 0 0 117609.789 0 2 118212.000 117609.789 0.51% - 2s 0 0 117610.900 0 3 118212.000 117610.900 0.51% - 2s 0 0 117612.376 0 2 118212.000 117612.376 0.51% - 2s 0 0 117612.376 0 2 118212.000 117612.376 0.51% - 2s 0 0 117612.376 0 2 118212.000 117612.376 0.51% - 2s 0 2 117612.655 0 2 118212.000 117612.655 0.51% - 2s H 6 4 117983.87971 117718.000 0.23% 70.7 3s * 8 4 8 117952.00000 117720.247 0.20% 71.2 3s Cutting planes: Implied bound: 119 Flow cover: 9 Explored 19 nodes (7878 simplex iterations) in 3.43 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.179520000000e+05, best bound 1.179520000000e+05, gap 0.0%