Gurobi 5.0.1 (linux64) logging started Fri Jan 18 01:11:22 2013 Optimize a model with 3400 rows, 106200 columns and 216100 nonzeros Presolve removed 200 rows and 300 columns Presolve time: 0.45s Presolved: 3200 rows, 105900 columns, 211800 nonzeros Variable types: 104000 continuous, 1900 integer (1900 binary) Root relaxation: objective 9.481640e+05, 7867 iterations, 1.03 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 948163.962 0 4 - 948163.962 - - 1s 0 0 948317.898 0 4 - 948317.898 - - 2s 0 0 948357.019 0 4 - 948357.019 - - 2s 0 0 948368.011 0 4 - 948368.011 - - 2s 0 0 948368.921 0 4 - 948368.921 - - 2s 0 0 948376.309 0 4 - 948376.309 - - 3s 0 0 948377.134 0 4 - 948377.134 - - 3s 0 0 948379.702 0 4 - 948379.702 - - 3s 0 0 948380.686 0 4 - 948380.686 - - 3s 0 0 948381.070 0 4 - 948381.070 - - 4s 0 0 948381.628 0 4 - 948381.628 - - 4s 0 0 948381.628 0 4 - 948381.628 - - 5s H 0 0 983075.33122 948381.628 3.53% - 5s 0 2 948413.357 0 4 983075.331 948413.357 3.53% - 6s H 27 23 950403.43881 948464.156 0.20% 88.6 9s 27 24 949776.326 24 2 950403.439 948464.156 0.20% 93.6 10s * 44 24 39 950344.69085 948464.156 0.20% 80.0 11s 74 30 cutoff 4 950344.691 948836.691 0.16% 119 15s 156 43 949838.539 77 1 950344.691 949300.562 0.11% 85.8 20s 318 43 949995.028 239 1 950344.691 949300.562 0.11% 43.1 25s 480 44 950239.431 401 1 950344.691 949300.562 0.11% 29.2 30s 571 57 950150.197 40 1 950344.691 949548.534 0.08% 31.8 35s 606 66 950300.751 20 3 950344.691 949548.534 0.08% 30.3 40s 616 69 949548.534 19 5 950344.691 949548.534 0.08% 45.1 45s 639 67 949548.534 15 2 950344.691 949548.534 0.08% 47.7 50s 667 70 949692.452 27 1 950344.691 949548.534 0.08% 51.1 55s 806 42 949908.501 155 1 950344.691 949548.534 0.08% 43.1 60s 965 40 950082.620 314 1 950344.691 949548.534 0.08% 36.2 65s * 1024 36 372 950306.20619 949548.534 0.08% 34.1 66s 1096 36 cutoff 18 950306.206 949548.534 0.08% 33.1 70s 1191 49 949828.644 28 1 950306.206 949828.644 0.05% 32.3 75s 1335 69 950090.503 31 1 950306.206 949918.104 0.04% 30.6 80s 1509 79 950122.834 33 1 950306.206 949982.349 0.03% 29.0 85s 1650 75 950170.542 33 1 950306.206 950032.356 0.03% 28.4 90s * 1749 53 33 950276.23626 950075.789 0.02% 27.9 92s 1807 40 cutoff 34 950276.236 950117.246 0.02% 28.0 95s Cutting planes: Gomory: 5 Flow cover: 8 Explored 1866 nodes (60501 simplex iterations) in 96.89 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 9.502762362556e+05, best bound 9.501818943297e+05, gap 0.0099%