
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Fri Nov  1 21:11:42 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo10019.38.log"
Using license file /Users/sara/gurobi.lic
Academic license - for non-commercial use only - expires 2025-05-12

Gurobi Optimizer version 11.0.1 build v11.0.1rc0 (mac64[x86] - Darwin 21.6.0 21G651)
Copyright (c) 2024, Gurobi Optimization, LLC

Read LP format model from file ./lp_problems/grafo10019.38.lp
Reading time = 0.18 seconds
: 50284 rows, 1806 columns, 152305 nonzeros

CPU model: Intel(R) Core(TM) i5-1038NG7 CPU @ 2.00GHz
Thread count: 4 physical cores, 8 logical processors, using up to 8 threads

Optimize a model with 50284 rows, 1806 columns and 152305 nonzeros
Model fingerprint: 0x498344c8
Variable types: 42 continuous, 1764 integer (1764 binary)
Coefficient statistics:
  Matrix range     [5e-01, 5e+01]
  Objective range  [1e+00, 1e+00]
  Bounds range     [1e+00, 1e+00]
  RHS range        [1e+00, 5e+01]
Found heuristic solution: objective 5.0000000
Presolve removed 6376 rows and 25 columns
Presolve time: 0.68s
Presolved: 43908 rows, 1781 columns, 133531 nonzeros
Variable types: 0 continuous, 1781 integer (1739 binary)
Found heuristic solution: objective 12.0000000
Root relaxation presolved: 23992 rows, 21697 columns, 93699 nonzeros


Root relaxation: objective 3.300000e+01, 1465 iterations, 0.81 seconds (0.34 work units)

    Nodes    |    Current Node    |     Objective Bounds      |     Work
 Expl Unexpl |  Obj  Depth IntInf | Incumbent    BestBd   Gap | It/Node Time

     0     0   33.00000    0  295   12.00000   33.00000   175%     -    4s
H    0     0                      13.0000000   33.00000   154%     -    5s
H    0     0                      14.0000000   33.00000   136%     -    6s
     0     0   33.00000    0  435   14.00000   33.00000   136%     -    9s
     0     0   33.00000    0  434   14.00000   33.00000   136%     -   10s
H    0     0                      15.0000000   33.00000   120%     -   13s
H    0     0                      16.0000000   32.00000   100%     -   44s
     0     0   32.00000    0  243   16.00000   32.00000   100%     -   45s
H    0     0                      18.0000000   32.00000  77.8%     -   45s
     0     0   32.00000    0  240   18.00000   32.00000  77.8%     -   45s
     0     0          -    0        18.00000   32.00000  77.8%     -   50s

Cutting planes:
  Lift-and-project: 1
  Cover: 25
  Clique: 2
  MIR: 84
  StrongCG: 1
  GUB cover: 5
  Zero half: 26
  RLT: 37
  BQP: 2
  PSD: 1

Explored 1 nodes (32913 simplex iterations) in 50.10 seconds (20.53 work units)
Thread count was 8 (of 8 available processors)

Solution count 7: 18 16 15 ... 5

Time limit reached
Best objective 1.800000000000e+01, best bound 3.200000000000e+01, gap 77.7778%

Wrote result file './lp_solutions/grafo10019.38.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 10:33:33 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo10019.38.log"
Using license file /Users/sara/gurobi.lic
Academic license - for non-commercial use only - expires 2025-05-12

Gurobi Optimizer version 11.0.1 build v11.0.1rc0 (mac64[x86] - Darwin 21.6.0 21G651)
Copyright (c) 2024, Gurobi Optimization, LLC

Read LP format model from file ./lp_problems/grafo10019.38.lp
Reading time = 0.09 seconds
: 50284 rows, 1806 columns, 152305 nonzeros

CPU model: Intel(R) Core(TM) i5-1038NG7 CPU @ 2.00GHz
Thread count: 4 physical cores, 8 logical processors, using up to 8 threads

Optimize a model with 50284 rows, 1806 columns and 152305 nonzeros
Model fingerprint: 0x498344c8
Variable types: 42 continuous, 1764 integer (1764 binary)
Coefficient statistics:
  Matrix range     [5e-01, 5e+01]
  Objective range  [1e+00, 1e+00]
  Bounds range     [1e+00, 1e+00]
  RHS range        [1e+00, 5e+01]
Found heuristic solution: objective 5.0000000
Presolve removed 6376 rows and 25 columns
Presolve time: 0.38s
Presolved: 43908 rows, 1781 columns, 133531 nonzeros
Variable types: 0 continuous, 1781 integer (1739 binary)
Found heuristic solution: objective 12.0000000
Root relaxation presolved: 23992 rows, 21697 columns, 93699 nonzeros


Root relaxation: objective 3.300000e+01, 1465 iterations, 0.42 seconds (0.34 work units)

    Nodes    |    Current Node    |     Objective Bounds      |     Work
 Expl Unexpl |  Obj  Depth IntInf | Incumbent    BestBd   Gap | It/Node Time

     0     0   33.00000    0  295   12.00000   33.00000   175%     -    2s
H    0     0                      13.0000000   33.00000   154%     -    2s
H    0     0                      14.0000000   33.00000   136%     -    3s
     0     0   33.00000    0  435   14.00000   33.00000   136%     -    5s
     0     0   33.00000    0  434   14.00000   33.00000   136%     -    6s
H    0     0                      15.0000000   33.00000   120%     -    8s
H    0     0                      16.0000000   32.00000   100%     -   27s
     0     0   32.00000    0  243   16.00000   32.00000   100%     -   28s
H    0     0                      18.0000000   32.00000  77.8%     -   28s
     0     0   32.00000    0  240   18.00000   32.00000  77.8%     -   28s
     0     0   32.00000    0  233   18.00000   32.00000  77.8%     -   36s
     0     0   32.00000    0  211   18.00000   32.00000  77.8%     -   36s
     0     0   32.00000    0  295   18.00000   32.00000  77.8%     -   41s
     0     0   32.00000    0  260   18.00000   32.00000  77.8%     -   42s
     0     0   32.00000    0  276   18.00000   32.00000  77.8%     -   50s

Cutting planes:
  Lift-and-project: 1
  Cover: 27
  Clique: 2
  MIR: 119
  StrongCG: 3
  GUB cover: 2
  Zero half: 31
  RLT: 39
  BQP: 2

Explored 1 nodes (57930 simplex iterations) in 50.06 seconds (33.96 work units)
Thread count was 8 (of 8 available processors)

Solution count 7: 18 16 15 ... 5

Time limit reached
Best objective 1.800000000000e+01, best bound 3.200000000000e+01, gap 77.7778%

Wrote result file './lp_solutions/grafo10019.38.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 14 01:45:20 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo10019.38.log"
Using license file /Users/sara/gurobi.lic
Academic license - for non-commercial use only - expires 2025-05-12

Gurobi Optimizer version 11.0.1 build v11.0.1rc0 (mac64[x86] - Darwin 21.6.0 21G651)
Copyright (c) 2024, Gurobi Optimization, LLC

Read LP format model from file ./lp_problems/grafo10019.38.lp
Reading time = 0.13 seconds
: 50284 rows, 1806 columns, 152305 nonzeros

CPU model: Intel(R) Core(TM) i5-1038NG7 CPU @ 2.00GHz
Thread count: 4 physical cores, 8 logical processors, using up to 8 threads

Optimize a model with 50284 rows, 1806 columns and 152305 nonzeros
Model fingerprint: 0x498344c8
Variable types: 42 continuous, 1764 integer (1764 binary)
Coefficient statistics:
  Matrix range     [5e-01, 5e+01]
  Objective range  [1e+00, 1e+00]
  Bounds range     [1e+00, 1e+00]
  RHS range        [1e+00, 5e+01]
Found heuristic solution: objective 5.0000000
Presolve removed 6376 rows and 25 columns
Presolve time: 0.61s
Presolved: 43908 rows, 1781 columns, 133531 nonzeros
Variable types: 0 continuous, 1781 integer (1739 binary)
Found heuristic solution: objective 12.0000000
Root relaxation presolved: 23992 rows, 21697 columns, 93699 nonzeros


Root relaxation: objective 3.300000e+01, 1465 iterations, 0.84 seconds (0.34 work units)

    Nodes    |    Current Node    |     Objective Bounds      |     Work
 Expl Unexpl |  Obj  Depth IntInf | Incumbent    BestBd   Gap | It/Node Time

     0     0   33.00000    0  295   12.00000   33.00000   175%     -    4s
H    0     0                      13.0000000   33.00000   154%     -    4s
H    0     0                      14.0000000   33.00000   136%     -    6s
     0     0   33.00000    0  435   14.00000   33.00000   136%     -    9s
     0     0   33.00000    0  434   14.00000   33.00000   136%     -   11s
H    0     0                      15.0000000   33.00000   120%     -   13s
H    0     0                      16.0000000   32.00000   100%     -   36s
     0     0   32.00000    0  243   16.00000   32.00000   100%     -   38s
H    0     0                      18.0000000   32.00000  77.8%     -   38s
     0     0   32.00000    0  240   18.00000   32.00000  77.8%     -   38s
     0     0   32.00000    0  233   18.00000   32.00000  77.8%     -   48s
     0     0   32.00000    0  211   18.00000   32.00000  77.8%     -   48s
     0     0          -    0        18.00000   32.00000  77.8%     -   50s

Cutting planes:
  Cover: 24
  Clique: 2
  MIR: 83
  GUB cover: 4
  Zero half: 27
  RLT: 36
  BQP: 2

Explored 1 nodes (40665 simplex iterations) in 50.07 seconds (24.68 work units)
Thread count was 8 (of 8 available processors)

Solution count 7: 18 16 15 ... 5

Time limit reached
Best objective 1.800000000000e+01, best bound 3.200000000000e+01, gap 77.7778%

Wrote result file './lp_solutions/grafo10019.38.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 21 09:02:04 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo10019.38.log"
Using license file /Users/sara/gurobi.lic
Academic license - for non-commercial use only - expires 2025-05-12

Gurobi Optimizer version 11.0.1 build v11.0.1rc0 (mac64[x86] - Darwin 21.6.0 21G651)
Copyright (c) 2024, Gurobi Optimization, LLC

Read LP format model from file ./lp_problems/grafo10019.38.lp
Reading time = 0.08 seconds
: 50284 rows, 1806 columns, 152305 nonzeros

CPU model: Intel(R) Core(TM) i5-1038NG7 CPU @ 2.00GHz
Thread count: 4 physical cores, 8 logical processors, using up to 8 threads

Optimize a model with 50284 rows, 1806 columns and 152305 nonzeros
Model fingerprint: 0x498344c8
Variable types: 42 continuous, 1764 integer (1764 binary)
Coefficient statistics:
  Matrix range     [5e-01, 5e+01]
  Objective range  [1e+00, 1e+00]
  Bounds range     [1e+00, 1e+00]
  RHS range        [1e+00, 5e+01]
Found heuristic solution: objective 5.0000000
Presolve removed 6376 rows and 25 columns
Presolve time: 0.35s
Presolved: 43908 rows, 1781 columns, 133531 nonzeros
Variable types: 0 continuous, 1781 integer (1739 binary)
Found heuristic solution: objective 12.0000000
Root relaxation presolved: 23992 rows, 21697 columns, 93699 nonzeros


Root relaxation: objective 3.300000e+01, 1465 iterations, 0.39 seconds (0.34 work units)

    Nodes    |    Current Node    |     Objective Bounds      |     Work
 Expl Unexpl |  Obj  Depth IntInf | Incumbent    BestBd   Gap | It/Node Time

     0     0   33.00000    0  295   12.00000   33.00000   175%     -    2s
H    0     0                      13.0000000   33.00000   154%     -    2s
H    0     0                      14.0000000   33.00000   136%     -    3s
     0     0   33.00000    0  435   14.00000   33.00000   136%     -    4s
     0     0   33.00000    0  434   14.00000   33.00000   136%     -    5s
H    0     0                      15.0000000   33.00000   120%     -    6s
H    0     0                      16.0000000   32.00000   100%     -   19s
     0     0   32.00000    0  243   16.00000   32.00000   100%     -   20s
H    0     0                      18.0000000   32.00000  77.8%     -   20s
     0     0   32.00000    0  240   18.00000   32.00000  77.8%     -   20s
     0     0   32.00000    0  233   18.00000   32.00000  77.8%     -   25s
     0     0   32.00000    0  211   18.00000   32.00000  77.8%     -   26s
     0     0   32.00000    0  295   18.00000   32.00000  77.8%     -   29s
     0     0   32.00000    0  260   18.00000   32.00000  77.8%     -   29s
     0     0   32.00000    0  232   18.00000   32.00000  77.8%     -   36s
     0     0   32.00000    0  311   18.00000   32.00000  77.8%     -   37s
     0     0   32.00000    0  233   18.00000   32.00000  77.8%     -   40s
     0     0   32.00000    0  243   18.00000   32.00000  77.8%     -   41s
     0     0   32.00000    0  290   18.00000   32.00000  77.8%     -   42s
     0     0   32.00000    0  290   18.00000   32.00000  77.8%     -   43s
     0     2   32.00000    0  290   18.00000   32.00000  77.8%     -   46s
    90    95   32.00000   18  180   18.00000   32.00000  77.8%  92.8   50s

Cutting planes:
  Lift-and-project: 1
  Cover: 6
  Clique: 2
  MIR: 69
  StrongCG: 1
  Inf proof: 1
  Zero half: 6
  RLT: 40
  BQP: 1

Explored 94 nodes (80584 simplex iterations) in 50.09 seconds (48.80 work units)
Thread count was 8 (of 8 available processors)

Solution count 7: 18 16 15 ... 5

Time limit reached
Best objective 1.800000000000e+01, best bound 3.200000000000e+01, gap 77.7778%

Wrote result file './lp_solutions/grafo10019.38.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Fri Nov 22 01:57:25 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo10019.38.log"
Using license file /Users/sara/gurobi.lic
Academic license - for non-commercial use only - expires 2025-05-12

Gurobi Optimizer version 11.0.1 build v11.0.1rc0 (mac64[x86] - Darwin 21.6.0 21G651)
Copyright (c) 2024, Gurobi Optimization, LLC

Read LP format model from file ./lp_problems/grafo10019.38.lp
Reading time = 0.08 seconds
: 50284 rows, 1806 columns, 152305 nonzeros

CPU model: Intel(R) Core(TM) i5-1038NG7 CPU @ 2.00GHz
Thread count: 4 physical cores, 8 logical processors, using up to 8 threads

Optimize a model with 50284 rows, 1806 columns and 152305 nonzeros
Model fingerprint: 0x498344c8
Variable types: 42 continuous, 1764 integer (1764 binary)
Coefficient statistics:
  Matrix range     [5e-01, 5e+01]
  Objective range  [1e+00, 1e+00]
  Bounds range     [1e+00, 1e+00]
  RHS range        [1e+00, 5e+01]
Found heuristic solution: objective 5.0000000
Presolve removed 6376 rows and 25 columns
Presolve time: 0.33s
Presolved: 43908 rows, 1781 columns, 133531 nonzeros
Variable types: 0 continuous, 1781 integer (1739 binary)
Found heuristic solution: objective 12.0000000
Root relaxation presolved: 23992 rows, 21697 columns, 93699 nonzeros


Root relaxation: objective 3.300000e+01, 1465 iterations, 0.38 seconds (0.34 work units)

    Nodes    |    Current Node    |     Objective Bounds      |     Work
 Expl Unexpl |  Obj  Depth IntInf | Incumbent    BestBd   Gap | It/Node Time

     0     0   33.00000    0  295   12.00000   33.00000   175%     -    2s
H    0     0                      13.0000000   33.00000   154%     -    2s
H    0     0                      14.0000000   33.00000   136%     -    3s
     0     0   33.00000    0  435   14.00000   33.00000   136%     -    4s
     0     0   33.00000    0  434   14.00000   33.00000   136%     -    5s
H    0     0                      15.0000000   33.00000   120%     -    6s
H    0     0                      16.0000000   32.00000   100%     -   20s
     0     0   32.00000    0  243   16.00000   32.00000   100%     -   20s
H    0     0                      18.0000000   32.00000  77.8%     -   20s
     0     0   32.00000    0  240   18.00000   32.00000  77.8%     -   20s
     0     0   32.00000    0  233   18.00000   32.00000  77.8%     -   26s
     0     0   32.00000    0  211   18.00000   32.00000  77.8%     -   26s
     0     0   32.00000    0  295   18.00000   32.00000  77.8%     -   30s
     0     0   32.00000    0  260   18.00000   32.00000  77.8%     -   30s
     0     0   32.00000    0  232   18.00000   32.00000  77.8%     -   37s
     0     0   32.00000    0  311   18.00000   32.00000  77.8%     -   37s
     0     0   32.00000    0  233   18.00000   32.00000  77.8%     -   41s
     0     0   32.00000    0  243   18.00000   32.00000  77.8%     -   42s
     0     0   32.00000    0  290   18.00000   32.00000  77.8%     -   43s
     0     0   32.00000    0  290   18.00000   32.00000  77.8%     -   44s
     0     2   32.00000    0  290   18.00000   32.00000  77.8%     -   47s
    57    62   32.00000   13  185   18.00000   32.00000  77.8%   105   50s

Cutting planes:
  Lift-and-project: 1
  Cover: 6
  Clique: 2
  MIR: 69
  StrongCG: 1
  Inf proof: 1
  Zero half: 6
  RLT: 40
  BQP: 1

Explored 61 nodes (78372 simplex iterations) in 50.07 seconds (47.41 work units)
Thread count was 8 (of 8 available processors)

Solution count 7: 18 16 15 ... 5

Time limit reached
Best objective 1.800000000000e+01, best bound 3.200000000000e+01, gap 77.7778%

Wrote result file './lp_solutions/grafo10019.38.sol'

