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  1.  
  2. Gurobi 9.1.2 (linux64, gurobi_cl) logging started Tue Jan 18 16:07:24 2022
  3.  
  4. Using license file XXXX
  5. Set parameter TokenServer to value XXXXXXXXXXXXXXXXXXXX
  6. Set parameter LogFile to value gurobi.log
  7. Set parameter Threads to value 2
  8.  
  9. Gurobi Optimizer version 9.1.2 build v9.1.2rc0 (linux64)
  10. Copyright (c) 2021, Gurobi Optimization, LLC
  11.  
  12. Read MPS format model from file data/glass4.mps
  13. Reading time = 0.01 seconds
  14. glass4: 396 rows, 322 columns, 1815 nonzeros
  15. Thread count: 4 physical cores, 4 logical processors, using up to 2 threads
  16. Optimize a model with 396 rows, 322 columns and 1815 nonzeros
  17. Model fingerprint: 0x0a9d9037
  18. Variable types: 20 continuous, 302 integer (0 binary)
  19. Coefficient statistics:
  20. Matrix range [1e+00, 8e+06]
  21. Objective range [1e+00, 1e+06]
  22. Bounds range [1e+00, 8e+02]
  23. RHS range [1e+00, 8e+06]
  24. Presolve removed 6 rows and 6 columns
  25. Presolve time: 0.01s
  26. Presolved: 390 rows, 316 columns, 1803 nonzeros
  27. Variable types: 19 continuous, 297 integer (297 binary)
  28. Found heuristic solution: objective 3.133356e+09
  29.  
  30. Root relaxation: objective 8.000024e+08, 72 iterations, 0.00 seconds
  31.  
  32. Nodes | Current Node | Objective Bounds | Work
  33. Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time
  34.  
  35. 0 0 8.0000e+08 0 72 3.1334e+09 8.0000e+08 74.5% - 0s
  36. H 0 0 2.200019e+09 8.0000e+08 63.6% - 0s
  37. 0 0 8.0000e+08 0 72 2.2000e+09 8.0000e+08 63.6% - 0s
  38. 0 0 8.0000e+08 0 72 2.2000e+09 8.0000e+08 63.6% - 0s
  39. 0 0 8.0000e+08 0 79 2.2000e+09 8.0000e+08 63.6% - 0s
  40. 0 0 8.0000e+08 0 76 2.2000e+09 8.0000e+08 63.6% - 0s
  41. H 0 0 2.100018e+09 8.0000e+08 61.9% - 0s
  42. H 0 0 2.066685e+09 8.0000e+08 61.3% - 0s
  43. 0 2 8.0000e+08 0 76 2.0667e+09 8.0000e+08 61.3% - 0s
  44. H 29 76 2.000017e+09 8.0000e+08 60.0% 7.2 0s
  45. H 309 409 1.925017e+09 8.0000e+08 58.4% 4.0 0s
  46. H 937 777 1.900017e+09 8.0000e+08 57.9% 4.6 0s
  47. * 1262 922 107 1.900017e+09 8.0000e+08 57.9% 4.7 0s
  48. * 1292 935 110 1.900016e+09 8.0000e+08 57.9% 4.7 0s
  49. H 1519 974 1.900015e+09 8.0000e+08 57.9% 4.6 0s
  50. H 1545 946 1.875016e+09 8.0000e+08 57.3% 4.6 0s
  51. H 1820 1072 1.850015e+09 8.0000e+08 56.8% 4.3 0s
  52. H 1858 1023 1.800015e+09 8.0000e+08 55.6% 4.3 0s
  53. H 7255 4816 1.800015e+09 8.0000e+08 55.6% 3.6 1s
  54. H 8552 5476 1.800013e+09 8.0000e+08 55.6% 3.5 1s
  55. H 9646 5749 1.700013e+09 8.0000e+08 52.9% 3.5 1s
  56. H 9791 5740 1.700012e+09 8.0000e+08 52.9% 3.5 1s
  57. 15250 9090 1.1333e+09 62 130 1.7000e+09 8.2818e+08 51.3% 3.6 5s
  58. H16279 9084 1.675015e+09 9.0000e+08 46.3% 4.6 9s
  59. H16365 8668 1.666682e+09 9.0000e+08 46.0% 4.6 9s
  60. 17230 9195 1.6000e+09 109 14 1.6667e+09 9.0000e+08 46.0% 4.8 10s
  61. H17762 8513 1.550014e+09 9.0000e+08 41.9% 4.9 10s
  62. H20704 8961 1.550014e+09 9.0001e+08 41.9% 5.2 10s
  63. *29679 10757 111 1.550013e+09 9.0001e+08 41.9% 6.1 12s
  64. 38870 13263 infeasible 79 1.5500e+09 9.0001e+08 41.9% 6.8 15s
  65. 61200 22463 1.5500e+09 98 33 1.5500e+09 9.0001e+08 41.9% 7.1 20s
  66. 86176 34372 1.2000e+09 75 65 1.5500e+09 9.8705e+08 36.3% 7.2 25s
  67. 107671 42730 infeasible 102 1.5500e+09 1.0000e+09 35.5% 7.6 30s
  68. 129833 51738 infeasible 68 1.5500e+09 1.0000e+09 35.5% 7.7 35s
  69. 152035 60352 infeasible 93 1.5500e+09 1.0000e+09 35.5% 7.8 40s
  70. 174763 68750 infeasible 95 1.5500e+09 1.0000e+09 35.5% 7.7 45s
  71. 198346 75880 infeasible 89 1.5500e+09 1.0167e+09 34.4% 7.6 50s
  72. 216999 81580 infeasible 82 1.5500e+09 1.0667e+09 31.2% 7.7 55s
  73. 241149 89849 1.5500e+09 101 30 1.5500e+09 1.1000e+09 29.0% 7.6 60s
  74. 260552 97518 1.4750e+09 87 42 1.5500e+09 1.1000e+09 29.0% 7.8 65s
  75. 282339 106484 1.2000e+09 94 54 1.5500e+09 1.1000e+09 29.0% 7.8 70s
  76. *299320 106374 107 1.536862e+09 1.1000e+09 28.4% 7.8 74s
  77. *299324 106374 108 1.536862e+09 1.1000e+09 28.4% 7.8 74s
  78. H300968 58452 1.400038e+09 1.1000e+09 21.4% 7.8 74s
  79. H301035 40220 1.357920e+09 1.1000e+09 19.0% 7.8 74s
  80. 301148 39958 infeasible 93 1.3579e+09 1.1000e+09 19.0% 7.8 75s
  81. *305436 18328 106 1.280022e+09 1.1000e+09 14.1% 7.8 76s
  82. *311904 8806 86 1.200013e+09 1.2000e+09 0.00% 7.7 77s
  83.  
  84. Cutting planes:
  85. Gomory: 6
  86. Implied bound: 6
  87. MIR: 34
  88. Flow cover: 26
  89. RLT: 5
  90. Relax-and-lift: 9
  91.  
  92. Explored 312233 nodes (2418570 simplex iterations) in 77.13 seconds
  93. Thread count was 2 (of 4 available processors)
  94.  
  95. Solution count 10: 1.20001e+09 1.28002e+09 1.35792e+09 ... 1.66668e+09
  96.  
  97. Optimal solution found (tolerance 1.00e-04)
  98. Best objective 1.200012600000e+09, best bound 1.200003800000e+09, gap 0.0007%
  99.  
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