Gurobi 5.0.1 (linux64) logging started Fri Jan 18 00:09:47 2013 Optimize a model with 2000 rows, 101100 columns and 203800 nonzeros Presolve removed 100 rows and 100 columns Presolve time: 0.50s Presolved: 1900 rows, 101000 columns, 203200 nonzeros Variable types: 100700 continuous, 300 integer (300 binary) Root relaxation: objective 7.918217e+05, 6501 iterations, 1.03 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 791821.709 0 4 - 791821.709 - - 1s H 0 0 856648.37185 791821.709 7.57% - 2s H 0 0 800962.27804 791821.709 1.14% - 3s 0 0 791888.688 0 4 800962.278 791888.688 1.13% - 3s 0 0 791947.730 0 4 800962.278 791947.730 1.13% - 3s 0 0 791949.388 0 4 800962.278 791949.388 1.13% - 4s 0 0 791953.045 0 4 800962.278 791953.045 1.12% - 4s 0 0 791962.293 0 4 800962.278 791962.293 1.12% - 4s 0 0 791963.998 0 4 800962.278 791963.998 1.12% - 5s 0 0 791966.943 0 4 800962.278 791966.943 1.12% - 5s 0 0 791968.472 0 4 800962.278 791968.472 1.12% - 5s 0 0 791969.629 0 4 800962.278 791969.629 1.12% - 6s 0 0 791970.102 0 4 800962.278 791970.102 1.12% - 6s 0 0 791970.530 0 4 800962.278 791970.530 1.12% - 7s 0 0 791970.530 0 4 800962.278 791970.530 1.12% - 8s 0 2 791970.530 0 4 800962.278 791970.530 1.12% - 9s 2 4 792581.158 2 2 800962.278 792581.158 1.05% 210 10s * 16 6 15 793357.35859 792677.894 0.09% 65.6 14s 19 4 792714.648 4 2 793357.359 792714.648 0.08% 58.8 15s * 29 2 5 793200.24980 792848.019 0.04% 67.6 17s Cutting planes: Flow cover: 19 Explored 41 nodes (10553 simplex iterations) in 18.32 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 7.932002498024e+05, best bound 7.932002498024e+05, gap 0.0000%