Gurobi 5.0.1 (linux64) logging started Wed Apr 24 11:22:47 2013 Optimize a model with 170430 rows, 169130 columns and 676130 nonzeros Presolve removed 8222 rows and 0 columns Presolve time: 1.57s Presolved: 162208 rows, 169130 columns, 659686 nonzeros Variable types: 169000 continuous, 130 integer (130 binary) Root simplex log... Iteration Objective Primal Inf. Dual Inf. Time 19223 1.3319082e+05 5.060724e+04 0.000000e+00 5s 28991 1.9930659e+05 1.031387e+04 0.000000e+00 10s 34485 2.0517970e+05 2.954676e+01 0.000000e+00 15s 34639 2.0518022e+05 0.000000e+00 0.000000e+00 15s Root relaxation: objective 2.051802e+05, 34639 iterations, 15.36 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 205180.223 0 5 - 205180.223 - - 17s H 0 0 211702.00000 205180.223 3.08% - 18s 0 0 205183.784 0 7 211702.000 205183.784 3.08% - 20s 0 0 205183.784 0 7 211702.000 205183.784 3.08% - 21s H 0 0 210936.98591 205183.784 2.73% - 28s H 0 0 209390.38462 205183.784 2.01% - 28s 0 2 205185.611 0 7 209390.385 205185.611 2.01% - 34s 2 4 205216.887 2 4 209390.385 205216.887 1.99% 286 35s H 4 4 208440.16152 205232.747 1.54% 290 37s H 5 5 206812.71067 205263.970 0.75% 316 37s H 6 5 206608.16624 205277.929 0.64% 318 38s H 7 6 205851.56818 205277.929 0.28% 312 39s 8 8 205371.007 6 1 205851.568 205314.709 0.26% 403 40s H 11 7 205617.33333 205314.709 0.15% 312 40s * 17 10 14 205564.00000 205314.709 0.12% 242 42s 26 8 205468.893 2 4 205564.000 205320.227 0.12% 215 45s * 40 5 6 205500.00000 205386.097 0.06% 238 49s 43 5 205434.348 7 1 205500.000 205397.786 0.05% 232 50s Cutting planes: Gomory: 2 Flow cover: 2 Explored 54 nodes (45665 simplex iterations) in 51.57 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.055000000000e+05, best bound 2.055000000000e+05, gap 0.0%