
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 04:22:38 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo2238.33.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/grafo2238.33.lp
Reading time = 0.09 seconds
: 31828 rows, 1350 columns, 96447 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 31828 rows, 1350 columns and 96447 nonzeros
Model fingerprint: 0xa0f935f1
Variable types: 36 continuous, 1314 integer (1314 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 3.0000000
Presolve removed 4251 rows and 34 columns
Presolve time: 0.33s
Presolved: 27577 rows, 1316 columns, 83973 nonzeros
Variable types: 0 continuous, 1316 integer (1280 binary)
Found heuristic solution: objective 5.0000000
Root relaxation presolved: 14981 rows, 13912 columns, 58781 nonzeros


Root relaxation: objective 3.100000e+01, 1081 iterations, 0.39 seconds (0.20 work units)

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

     0     0   31.00000    0  284    5.00000   31.00000   520%     -    1s
H    0     0                       6.0000000   31.00000   417%     -    1s
H    0     0                       7.0000000   31.00000   343%     -    1s
H    0     0                       8.0000000   31.00000   287%     -    2s
     0     0   31.00000    0  481    8.00000   31.00000   287%     -    4s
H    0     0                       9.0000000   31.00000   244%     -    4s
     0     0   31.00000    0  408    9.00000   31.00000   244%     -    4s
     0     0   31.00000    0  330    9.00000   31.00000   244%     -   13s
     0     0   31.00000    0  325    9.00000   31.00000   244%     -   13s
H    0     0                      10.0000000   31.00000   210%     -   21s
     0     0   31.00000    0  321   10.00000   31.00000   210%     -   21s
     0     0   31.00000    0  297   10.00000   31.00000   210%     -   22s
H    0     0                      11.0000000   30.66667   179%     -   36s
     0     0   30.66667    0  342   11.00000   30.66667   179%     -   36s
     0     0   30.66667    0  320   11.00000   30.66667   179%     -   36s
     0     0   30.66667    0  366   11.00000   30.66667   179%     -   48s
     0     0          -    0        11.00000   30.66667   179%     -   50s

Cutting planes:
  Lift-and-project: 1
  Cover: 2
  Clique: 1
  MIR: 45
  Zero half: 6
  RLT: 24

Explored 1 nodes (63225 simplex iterations) in 50.03 seconds (33.17 work units)
Thread count was 8 (of 8 available processors)

Solution count 8: 11 10 9 ... 3

Time limit reached
Best objective 1.100000000000e+01, best bound 3.000000000000e+01, gap 172.7273%

Wrote result file './lp_solutions/grafo2238.33.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 18 03:29:54 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo2238.33.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/grafo2238.33.lp
Reading time = 0.06 seconds
: 31828 rows, 1350 columns, 96447 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 31828 rows, 1350 columns and 96447 nonzeros
Model fingerprint: 0xa0f935f1
Variable types: 36 continuous, 1314 integer (1314 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 3.0000000
Presolve removed 4251 rows and 34 columns
Presolve time: 0.27s
Presolved: 27577 rows, 1316 columns, 83973 nonzeros
Variable types: 0 continuous, 1316 integer (1280 binary)
Found heuristic solution: objective 5.0000000
Root relaxation presolved: 14981 rows, 13912 columns, 58781 nonzeros


Root relaxation: objective 3.100000e+01, 1081 iterations, 0.35 seconds (0.20 work units)

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

     0     0   31.00000    0  284    5.00000   31.00000   520%     -    1s
H    0     0                       6.0000000   31.00000   417%     -    1s
H    0     0                       7.0000000   31.00000   343%     -    1s
H    0     0                       8.0000000   31.00000   287%     -    2s
     0     0   31.00000    0  481    8.00000   31.00000   287%     -    4s
H    0     0                       9.0000000   31.00000   244%     -    4s
     0     0   31.00000    0  408    9.00000   31.00000   244%     -    4s
     0     0   31.00000    0  330    9.00000   31.00000   244%     -   13s
     0     0   31.00000    0  325    9.00000   31.00000   244%     -   13s
H    0     0                      10.0000000   31.00000   210%     -   22s
     0     0   31.00000    0  321   10.00000   31.00000   210%     -   22s
     0     0   31.00000    0  297   10.00000   31.00000   210%     -   22s
H    0     0                      11.0000000   30.66667   179%     -   36s
     0     0   30.66667    0  342   11.00000   30.66667   179%     -   36s
     0     0   30.66667    0  320   11.00000   30.66667   179%     -   36s
     0     0   30.66667    0  366   11.00000   30.66667   179%     -   48s
     0     0   30.66667    0  395   11.00000   30.66667   179%     -   49s

Cutting planes:
  Lift-and-project: 1
  Cover: 1
  Clique: 1
  MIR: 18
  Zero half: 1
  RLT: 15

Explored 1 nodes (63292 simplex iterations) in 50.04 seconds (33.26 work units)
Thread count was 8 (of 8 available processors)

Solution count 8: 11 10 9 ... 3

Time limit reached
Best objective 1.100000000000e+01, best bound 3.000000000000e+01, gap 172.7273%

Wrote result file './lp_solutions/grafo2238.33.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 20 04:33:04 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo2238.33.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/grafo2238.33.lp
Reading time = 0.06 seconds
: 31828 rows, 1350 columns, 96447 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 31828 rows, 1350 columns and 96447 nonzeros
Model fingerprint: 0xa0f935f1
Variable types: 36 continuous, 1314 integer (1314 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 3.0000000
Presolve removed 4251 rows and 34 columns
Presolve time: 0.25s
Presolved: 27577 rows, 1316 columns, 83973 nonzeros
Variable types: 0 continuous, 1316 integer (1280 binary)
Found heuristic solution: objective 5.0000000
Root relaxation presolved: 14981 rows, 13912 columns, 58781 nonzeros


Root relaxation: objective 3.100000e+01, 1081 iterations, 0.27 seconds (0.20 work units)

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

     0     0   31.00000    0  284    5.00000   31.00000   520%     -    1s
H    0     0                       6.0000000   31.00000   417%     -    1s
H    0     0                       7.0000000   31.00000   343%     -    1s
H    0     0                       8.0000000   31.00000   287%     -    1s
     0     0   31.00000    0  481    8.00000   31.00000   287%     -    3s
H    0     0                       9.0000000   31.00000   244%     -    3s
     0     0   31.00000    0  408    9.00000   31.00000   244%     -    3s
     0     0   31.00000    0  330    9.00000   31.00000   244%     -   11s
     0     0   31.00000    0  325    9.00000   31.00000   244%     -   11s
H    0     0                      10.0000000   31.00000   210%     -   18s
     0     0   31.00000    0  321   10.00000   31.00000   210%     -   18s
     0     0   31.00000    0  297   10.00000   31.00000   210%     -   18s
H    0     0                      11.0000000   30.66667   179%     -   30s
     0     0   30.66667    0  342   11.00000   30.66667   179%     -   30s
     0     0   30.66667    0  320   11.00000   30.66667   179%     -   30s
     0     0   30.66667    0  366   11.00000   30.66667   179%     -   41s
     0     0   30.66667    0  395   11.00000   30.66667   179%     -   42s
     0     0   30.66667    0  415   11.00000   30.66667   179%     -   50s

Cutting planes:
  Gomory: 1
  Lift-and-project: 1
  Cover: 17
  Clique: 1
  MIR: 102
  StrongCG: 1
  GUB cover: 4
  Zero half: 38
  RLT: 57

Explored 1 nodes (75238 simplex iterations) in 50.03 seconds (39.46 work units)
Thread count was 8 (of 8 available processors)

Solution count 8: 11 10 9 ... 3

Time limit reached
Best objective 1.100000000000e+01, best bound 3.000000000000e+01, gap 172.7273%

Wrote result file './lp_solutions/grafo2238.33.sol'

