
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 14 07:17:59 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5227.38.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/grafo5227.38.lp
Reading time = 0.13 seconds
: 62279 rows, 1974 columns, 188512 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 62279 rows, 1974 columns and 188512 nonzeros
Model fingerprint: 0xdbb4668d
Variable types: 45 continuous, 1929 integer (1929 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]
Presolve removed 10140 rows and 24 columns
Presolve time: 0.62s
Presolved: 52139 rows, 1950 columns, 158448 nonzeros
Variable types: 0 continuous, 1950 integer (1905 binary)
Root relaxation presolved: 29513 rows, 24576 columns, 113196 nonzeros


Root relaxation: objective 4.100000e+01, 3382 iterations, 2.39 seconds (1.47 work units)
Total elapsed time = 7.09s (DegenMoves)

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

     0     0   41.00000    0  469          -   41.00000      -     -    8s
H    0     0                       7.0000000   41.00000   486%     -    8s
H    0     0                       8.0000000   41.00000   412%     -    8s
     0     0   41.00000    0  816    8.00000   41.00000   412%     -   21s
     0     0   41.00000    0  769    8.00000   41.00000   412%     -   24s
     0     0   41.00000    0  699    8.00000   41.00000   412%     -   50s

Cutting planes:
  Gomory: 3
  Cover: 13
  Clique: 8
  MIR: 126
  Zero half: 56
  RLT: 57

Explored 1 nodes (36950 simplex iterations) in 50.07 seconds (31.93 work units)
Thread count was 8 (of 8 available processors)

Solution count 2: 8 7 

Time limit reached
Best objective 8.000000000000e+00, best bound 4.100000000000e+01, gap 412.5000%

Wrote result file './lp_solutions/grafo5227.38.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 21 09:31:24 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5227.38.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/grafo5227.38.lp
Reading time = 0.10 seconds
: 62279 rows, 1974 columns, 188512 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 62279 rows, 1974 columns and 188512 nonzeros
Model fingerprint: 0xdbb4668d
Variable types: 45 continuous, 1929 integer (1929 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]
Presolve removed 10140 rows and 24 columns
Presolve time: 0.42s
Presolved: 52139 rows, 1950 columns, 158448 nonzeros
Variable types: 0 continuous, 1950 integer (1905 binary)
Root relaxation presolved: 29513 rows, 24576 columns, 113196 nonzeros


Root relaxation: objective 4.100000e+01, 3382 iterations, 1.64 seconds (1.47 work units)
Total elapsed time = 5.09s (DegenMoves)

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

     0     0   41.00000    0  469          -   41.00000      -     -    5s
H    0     0                       7.0000000   41.00000   486%     -    5s
H    0     0                       8.0000000   41.00000   412%     -    5s
     0     0   41.00000    0  816    8.00000   41.00000   412%     -   15s
     0     0   41.00000    0  769    8.00000   41.00000   412%     -   17s
     0     0   41.00000    0  699    8.00000   41.00000   412%     -   47s
     0     0   41.00000    0  670    8.00000   41.00000   412%     -   49s

Cutting planes:
  Gomory: 1
  Cover: 26
  Clique: 9
  MIR: 155
  StrongCG: 4
  GUB cover: 3
  Zero half: 6
  RLT: 31

Explored 1 nodes (47443 simplex iterations) in 50.07 seconds (45.37 work units)
Thread count was 8 (of 8 available processors)

Solution count 2: 8 7 

Time limit reached
Best objective 8.000000000000e+00, best bound 4.100000000000e+01, gap 412.5000%

Wrote result file './lp_solutions/grafo5227.38.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Fri Nov 22 02:26:45 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5227.38.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/grafo5227.38.lp
Reading time = 0.10 seconds
: 62279 rows, 1974 columns, 188512 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 62279 rows, 1974 columns and 188512 nonzeros
Model fingerprint: 0xdbb4668d
Variable types: 45 continuous, 1929 integer (1929 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]
Presolve removed 10140 rows and 24 columns
Presolve time: 0.41s
Presolved: 52139 rows, 1950 columns, 158448 nonzeros
Variable types: 0 continuous, 1950 integer (1905 binary)
Root relaxation presolved: 29513 rows, 24576 columns, 113196 nonzeros


Root relaxation: objective 4.100000e+01, 3382 iterations, 1.64 seconds (1.47 work units)
Total elapsed time = 5.36s (DegenMoves)

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

     0     0   41.00000    0  469          -   41.00000      -     -    5s
H    0     0                       7.0000000   41.00000   486%     -    5s
H    0     0                       8.0000000   41.00000   412%     -    5s
     0     0   41.00000    0  816    8.00000   41.00000   412%     -   15s
     0     0   41.00000    0  769    8.00000   41.00000   412%     -   17s
     0     0   41.00000    0  699    8.00000   41.00000   412%     -   45s
     0     0   41.00000    0  670    8.00000   41.00000   412%     -   47s
     0     0          -    0         8.00000   41.00000   412%     -   50s

Cutting planes:
  Gomory: 1
  Cover: 26
  Clique: 9
  MIR: 149
  StrongCG: 4
  GUB cover: 3
  Zero half: 29
  RLT: 63

Explored 1 nodes (48299 simplex iterations) in 50.06 seconds (46.85 work units)
Thread count was 8 (of 8 available processors)

Solution count 2: 8 7 

Time limit reached
Best objective 8.000000000000e+00, best bound 4.100000000000e+01, gap 412.5000%

Wrote result file './lp_solutions/grafo5227.38.sol'

