
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Fri Nov  1 21:44:04 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo10142.37.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/grafo10142.37.lp
Reading time = 0.24 seconds
: 49872 rows, 1704 columns, 150926 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 49872 rows, 1704 columns and 150926 nonzeros
Model fingerprint: 0xf4a6d1f2
Variable types: 40 continuous, 1664 integer (1664 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 8624 rows and 19 columns
Presolve time: 0.97s
Presolved: 41248 rows, 1685 columns, 125344 nonzeros
Variable types: 0 continuous, 1685 integer (1645 binary)
Root relaxation presolved: 23598 rows, 19335 columns, 90044 nonzeros


Root relaxation: objective 3.800000e+01, 737 iterations, 1.36 seconds (0.18 work units)

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

     0     0   38.00000    0  278          -   38.00000      -     -    4s
H    0     0                       5.0000000   38.00000   660%     -    4s
H    0     0                      10.0000000   38.00000   280%     -    4s
H    0     0                      11.0000000   38.00000   245%     -    6s
H    0     0                      12.0000000   38.00000   217%     -   13s
     0     0   38.00000    0  543   12.00000   38.00000   217%     -   13s
     0     0   38.00000    0  503   12.00000   38.00000   217%     -   16s
H    0     0                      13.0000000   38.00000   192%     -   42s
H    0     0                      14.0000000   38.00000   171%     -   42s
     0     0   37.66667    0  421   14.00000   37.66667   169%     -   42s
     0     0   37.66667    0  418   14.00000   37.66667   169%     -   44s
     0     0          -    0        14.00000   37.66667   169%     -   50s

Cutting planes:
  Gomory: 1
  Cover: 23
  Clique: 13
  MIR: 144
  StrongCG: 6
  GUB cover: 1
  Zero half: 45
  RLT: 48
  BQP: 3
  PSD: 2

Explored 1 nodes (16471 simplex iterations) in 50.10 seconds (10.96 work units)
Thread count was 8 (of 8 available processors)

Solution count 6: 14 13 12 ... 5

Time limit reached
Best objective 1.400000000000e+01, best bound 3.700000000000e+01, gap 164.2857%

Wrote result file './lp_solutions/grafo10142.37.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 10:43:37 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo10142.37.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/grafo10142.37.lp
Reading time = 0.09 seconds
: 49872 rows, 1704 columns, 150926 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 49872 rows, 1704 columns and 150926 nonzeros
Model fingerprint: 0xf4a6d1f2
Variable types: 40 continuous, 1664 integer (1664 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 8624 rows and 19 columns
Presolve time: 0.35s
Presolved: 41248 rows, 1685 columns, 125344 nonzeros
Variable types: 0 continuous, 1685 integer (1645 binary)
Root relaxation presolved: 23598 rows, 19335 columns, 90044 nonzeros


Root relaxation: objective 3.800000e+01, 737 iterations, 0.25 seconds (0.18 work units)

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

     0     0   38.00000    0  278          -   38.00000      -     -    1s
H    0     0                       5.0000000   38.00000   660%     -    1s
H    0     0                      10.0000000   38.00000   280%     -    1s
H    0     0                      11.0000000   38.00000   245%     -    1s
H    0     0                      12.0000000   38.00000   217%     -    3s
     0     0   38.00000    0  543   12.00000   38.00000   217%     -    3s
     0     0   38.00000    0  503   12.00000   38.00000   217%     -    4s
H    0     0                      13.0000000   38.00000   192%     -   12s
H    0     0                      14.0000000   38.00000   171%     -   12s
     0     0   37.66667    0  421   14.00000   37.66667   169%     -   12s
     0     0   37.66667    0  418   14.00000   37.66667   169%     -   13s
H    0     0                      15.0000000   37.66667   151%     -   28s
     0     0   37.41667    0  299   15.00000   37.41667   149%     -   28s
     0     0   37.41667    0  353   15.00000   37.41667   149%     -   30s
     0     0   37.00000    0  389   15.00000   37.00000   147%     -   39s
     0     0   37.00000    0  340   15.00000   37.00000   147%     -   40s
     0     0   37.00000    0  408   15.00000   37.00000   147%     -   45s
     0     0   37.00000    0  424   15.00000   37.00000   147%     -   46s
     0     0   37.00000    0  498   15.00000   37.00000   147%     -   50s

Cutting planes:
  Cover: 23
  Clique: 8
  MIR: 147
  StrongCG: 1
  GUB cover: 2
  Zero half: 30
  RLT: 54
  PSD: 2

Explored 1 nodes (56188 simplex iterations) in 50.06 seconds (34.12 work units)
Thread count was 8 (of 8 available processors)

Solution count 7: 15 14 13 ... 5

Time limit reached
Best objective 1.500000000000e+01, best bound 3.700000000000e+01, gap 146.6667%

Wrote result file './lp_solutions/grafo10142.37.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 14 01:54:33 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo10142.37.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/grafo10142.37.lp
Reading time = 0.13 seconds
: 49872 rows, 1704 columns, 150926 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 49872 rows, 1704 columns and 150926 nonzeros
Model fingerprint: 0xf4a6d1f2
Variable types: 40 continuous, 1664 integer (1664 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 8624 rows and 19 columns
Presolve time: 0.50s
Presolved: 41248 rows, 1685 columns, 125344 nonzeros
Variable types: 0 continuous, 1685 integer (1645 binary)
Root relaxation presolved: 23598 rows, 19335 columns, 90044 nonzeros


Root relaxation: objective 3.800000e+01, 737 iterations, 0.41 seconds (0.18 work units)

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

     0     0   38.00000    0  278          -   38.00000      -     -    1s
H    0     0                       5.0000000   38.00000   660%     -    1s
H    0     0                      10.0000000   38.00000   280%     -    1s
H    0     0                      11.0000000   38.00000   245%     -    2s
H    0     0                      12.0000000   38.00000   217%     -    5s
     0     0   38.00000    0  543   12.00000   38.00000   217%     -    5s
     0     0   38.00000    0  503   12.00000   38.00000   217%     -    7s
H    0     0                      13.0000000   38.00000   192%     -   17s
H    0     0                      14.0000000   38.00000   171%     -   17s
     0     0   37.66667    0  421   14.00000   37.66667   169%     -   17s
     0     0   37.66667    0  418   14.00000   37.66667   169%     -   18s
H    0     0                      15.0000000   37.66667   151%     -   37s
     0     0   37.41667    0  299   15.00000   37.41667   149%     -   37s
     0     0   37.41667    0  353   15.00000   37.41667   149%     -   39s
     0     0   37.08333    0  389   15.00000   37.08333   147%     -   50s

Cutting planes:
  Cover: 2
  Clique: 5
  MIR: 32
  Zero half: 5
  RLT: 13
  BQP: 1
  PSD: 2

Explored 1 nodes (43706 simplex iterations) in 50.12 seconds (26.71 work units)
Thread count was 8 (of 8 available processors)

Solution count 7: 15 14 13 ... 5

Time limit reached
Best objective 1.500000000000e+01, best bound 3.700000000000e+01, gap 146.6667%

Wrote result file './lp_solutions/grafo10142.37.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 21 07:57:33 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo10142.37.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/grafo10142.37.lp
Reading time = 0.08 seconds
: 49872 rows, 1704 columns, 150926 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 49872 rows, 1704 columns and 150926 nonzeros
Model fingerprint: 0xf4a6d1f2
Variable types: 40 continuous, 1664 integer (1664 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 8624 rows and 19 columns
Presolve time: 0.34s
Presolved: 41248 rows, 1685 columns, 125344 nonzeros
Variable types: 0 continuous, 1685 integer (1645 binary)
Root relaxation presolved: 23598 rows, 19335 columns, 90044 nonzeros


Root relaxation: objective 3.800000e+01, 737 iterations, 0.22 seconds (0.18 work units)

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

     0     0   38.00000    0  278          -   38.00000      -     -    0s
H    0     0                       5.0000000   38.00000   660%     -    0s
H    0     0                      10.0000000   38.00000   280%     -    1s
H    0     0                      11.0000000   38.00000   245%     -    1s
H    0     0                      12.0000000   38.00000   217%     -    3s
     0     0   38.00000    0  543   12.00000   38.00000   217%     -    3s
     0     0   38.00000    0  503   12.00000   38.00000   217%     -    4s
H    0     0                      13.0000000   38.00000   192%     -   11s
H    0     0                      14.0000000   38.00000   171%     -   11s
     0     0   37.66667    0  421   14.00000   37.66667   169%     -   11s
     0     0   37.66667    0  418   14.00000   37.66667   169%     -   11s
H    0     0                      15.0000000   37.66667   151%     -   24s
     0     0   37.41667    0  299   15.00000   37.41667   149%     -   24s
     0     0   37.41667    0  353   15.00000   37.41667   149%     -   26s
     0     0   37.00000    0  389   15.00000   37.00000   147%     -   33s
     0     0   37.00000    0  340   15.00000   37.00000   147%     -   34s
     0     0   37.00000    0  408   15.00000   37.00000   147%     -   38s
     0     0   37.00000    0  424   15.00000   37.00000   147%     -   39s
H    0     0                      16.0000000   37.00000   131%     -   48s
     0     0   36.96667    0  452   16.00000   36.96667   131%     -   48s
     0     0   36.96667    0  336   16.00000   36.96667   131%     -   50s

Cutting planes:
  Cover: 3
  Clique: 5
  MIR: 27
  Zero half: 6
  RLT: 17
  PSD: 2

Explored 1 nodes (66664 simplex iterations) in 50.03 seconds (40.22 work units)
Thread count was 8 (of 8 available processors)

Solution count 8: 16 15 14 ... 5

Time limit reached
Best objective 1.600000000000e+01, best bound 3.600000000000e+01, gap 125.0000%

Wrote result file './lp_solutions/grafo10142.37.sol'

