Gurobi 5.0.1 (linux64) logging started Thu Jan 24 18:22:31 2013 Optimize a model with 5 rows, 250 columns and 1250 nonzeros Presolve time: 0.00s Presolved: 5 rows, 250 columns, 1250 nonzeros Variable types: 0 continuous, 250 integer (250 binary) Found heuristic solution: objective 101211.00000 Root relaxation: objective 1.101231e+05, 15 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 110123.064 0 5 101211.000 110123.064 8.81% - 0s H 0 0 109509.00000 110123.064 0.56% - 0s H 0 0 109698.00000 110123.064 0.39% - 0s 0 0 110113.184 0 7 109698.000 110113.184 0.38% - 0s 0 0 110112.931 0 8 109698.000 110112.931 0.38% - 0s H 0 0 109862.00000 110112.931 0.23% - 0s 0 2 110111.324 0 8 109862.000 110111.324 0.23% - 0s H 606 474 109865.00000 110100.658 0.21% 2.3 0s H 620 461 109883.00000 110100.658 0.20% 2.4 0s H 4344 2937 109896.00000 110082.127 0.17% 2.4 0s H 4610 2874 109923.00000 110081.582 0.14% 2.4 0s H 4821 2953 109927.00000 110081.292 0.14% 2.5 0s H 7574 4904 109931.00000 110075.005 0.13% 2.4 0s H18206 9602 109933.00000 110070.399 0.12% 2.4 1s H24887 11443 109944.00000 110062.804 0.11% 2.4 1s H43227 20017 109957.00000 110052.930 0.09% 2.4 3s 79589 28113 109981.650 62 5 109957.000 110045.527 0.08% 2.4 5s 178904 54712 109989.520 63 5 109957.000 110022.041 0.06% 2.4 10s H240515 55537 109971.00000 110013.213 0.04% 2.4 12s 282005 51006 110003.676 55 5 109971.000 110005.647 0.03% 2.4 15s Cutting planes: Gomory: 9 Cover: 1 MIR: 2 Zero half: 1 Explored 374220 nodes (888249 simplex iterations) in 19.44 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.099710000000e+05, best bound 1.099819969751e+05, gap 0.0100%