
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 06:22:32 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5427.38.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/grafo5427.38.lp
Reading time = 0.10 seconds
: 38910 rows, 1594 columns, 117850 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 38910 rows, 1594 columns and 117850 nonzeros
Model fingerprint: 0x77366971
Variable types: 38 continuous, 1556 integer (1556 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 2.0000000
Presolve removed 3271 rows and 27 columns
Presolve time: 0.37s
Presolved: 35639 rows, 1567 columns, 108289 nonzeros
Variable types: 0 continuous, 1567 integer (1529 binary)
Found heuristic solution: objective 4.0000000
Root relaxation presolved: 18767 rows, 18439 columns, 74545 nonzeros


Root relaxation: objective 3.000000e+01, 2293 iterations, 1.02 seconds (0.58 work units)

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

     0     0   30.00000    0  410    4.00000   30.00000   650%     -    3s
H    0     0                       6.0000000   30.00000   400%     -    3s
H    0     0                       7.0000000   30.00000   329%     -    3s
H    0     0                       8.0000000   30.00000   275%     -    3s
H    0     0                       9.0000000   30.00000   233%     -    5s
     0     0   30.00000    0  564    9.00000   30.00000   233%     -   10s
     0     0   30.00000    0  502    9.00000   30.00000   233%     -   10s
H    0     0                      12.0000000   30.00000   150%     -   33s
H    0     0                      13.0000000   30.00000   131%     -   33s
     0     0   29.66667    0  432   13.00000   29.66667   128%     -   33s
     0     0   29.66667    0  467   13.00000   29.66667   128%     -   36s
     0     0   29.66667    0  530   13.00000   29.66667   128%     -   46s
     0     0   29.66667    0  529   13.00000   29.66667   128%     -   46s
     0     0   29.66667    0  498   13.00000   29.66667   128%     -   50s

Cutting planes:
  Cover: 4
  Clique: 3
  MIR: 84
  StrongCG: 2
  Zero half: 48
  RLT: 43
  BQP: 1

Explored 1 nodes (46359 simplex iterations) in 50.05 seconds (28.10 work units)
Thread count was 8 (of 8 available processors)

Solution count 8: 13 12 9 ... 2

Time limit reached
Best objective 1.300000000000e+01, best bound 2.900000000000e+01, gap 123.0769%

Wrote result file './lp_solutions/grafo5427.38.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 18 04:46:05 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5427.38.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/grafo5427.38.lp
Reading time = 0.09 seconds
: 38910 rows, 1594 columns, 117850 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 38910 rows, 1594 columns and 117850 nonzeros
Model fingerprint: 0x77366971
Variable types: 38 continuous, 1556 integer (1556 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 2.0000000
Presolve removed 3271 rows and 27 columns
Presolve time: 0.35s
Presolved: 35639 rows, 1567 columns, 108289 nonzeros
Variable types: 0 continuous, 1567 integer (1529 binary)
Found heuristic solution: objective 4.0000000
Root relaxation presolved: 18767 rows, 18439 columns, 74545 nonzeros


Root relaxation: objective 3.000000e+01, 2293 iterations, 1.25 seconds (0.58 work units)

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

     0     0   30.00000    0  410    4.00000   30.00000   650%     -    3s
H    0     0                       6.0000000   30.00000   400%     -    3s
H    0     0                       7.0000000   30.00000   329%     -    3s
H    0     0                       8.0000000   30.00000   275%     -    3s
H    0     0                       9.0000000   30.00000   233%     -    5s
     0     0   30.00000    0  564    9.00000   30.00000   233%     -   10s
     0     0   30.00000    0  502    9.00000   30.00000   233%     -   10s
H    0     0                      12.0000000   30.00000   150%     -   37s
H    0     0                      13.0000000   30.00000   131%     -   37s
     0     0   29.66667    0  432   13.00000   29.66667   128%     -   37s
     0     0   29.66667    0  467   13.00000   29.66667   128%     -   39s
     0     0   29.66667    0  530   13.00000   29.66667   128%     -   50s

Cutting planes:
  Clique: 3
  MIR: 36
  GUB cover: 1
  Zero half: 3
  RLT: 34
  BQP: 1

Explored 1 nodes (43073 simplex iterations) in 50.08 seconds (26.14 work units)
Thread count was 8 (of 8 available processors)

Solution count 8: 13 12 9 ... 2

Time limit reached
Best objective 1.300000000000e+01, best bound 2.900000000000e+01, gap 123.0769%

Wrote result file './lp_solutions/grafo5427.38.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 20 05:48:57 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5427.38.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/grafo5427.38.lp
Reading time = 0.07 seconds
: 38910 rows, 1594 columns, 117850 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 38910 rows, 1594 columns and 117850 nonzeros
Model fingerprint: 0x77366971
Variable types: 38 continuous, 1556 integer (1556 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 2.0000000
Presolve removed 3271 rows and 27 columns
Presolve time: 0.29s
Presolved: 35639 rows, 1567 columns, 108289 nonzeros
Variable types: 0 continuous, 1567 integer (1529 binary)
Found heuristic solution: objective 4.0000000
Root relaxation presolved: 18767 rows, 18439 columns, 74545 nonzeros


Root relaxation: objective 3.000000e+01, 2293 iterations, 0.75 seconds (0.58 work units)

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

     0     0   30.00000    0  410    4.00000   30.00000   650%     -    2s
H    0     0                       6.0000000   30.00000   400%     -    2s
H    0     0                       7.0000000   30.00000   329%     -    2s
H    0     0                       8.0000000   30.00000   275%     -    2s
H    0     0                       9.0000000   30.00000   233%     -    4s
     0     0   30.00000    0  564    9.00000   30.00000   233%     -    7s
     0     0   30.00000    0  502    9.00000   30.00000   233%     -    7s
H    0     0                      12.0000000   30.00000   150%     -   28s
H    0     0                      13.0000000   30.00000   131%     -   28s
     0     0   29.66667    0  432   13.00000   29.66667   128%     -   28s
     0     0   29.66667    0  467   13.00000   29.66667   128%     -   29s
     0     0   29.66667    0  530   13.00000   29.66667   128%     -   37s
     0     0   29.66667    0  529   13.00000   29.66667   128%     -   38s
     0     0   29.66667    0  434   13.00000   29.66667   128%     -   47s
     0     0   29.66667    0  405   13.00000   29.66667   128%     -   48s
     0     0          -    0        13.00000   29.66667   128%     -   50s

Cutting planes:
  Gomory: 1
  Lift-and-project: 2
  Cover: 19
  Clique: 4
  MIR: 129
  StrongCG: 2
  GUB cover: 3
  Zero half: 22
  RLT: 51
  BQP: 1

Explored 1 nodes (57038 simplex iterations) in 50.04 seconds (33.91 work units)
Thread count was 8 (of 8 available processors)

Solution count 8: 13 12 9 ... 2

Time limit reached
Best objective 1.300000000000e+01, best bound 2.900000000000e+01, gap 123.0769%

Wrote result file './lp_solutions/grafo5427.38.sol'

