
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Fri Nov  1 21:43:14 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo10141.38.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/grafo10141.38.lp
Reading time = 0.20 seconds
: 40487 rows, 1683 columns, 122721 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 40487 rows, 1683 columns and 122721 nonzeros
Model fingerprint: 0xaed357c9
Variable types: 40 continuous, 1643 integer (1643 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 2428 rows and 42 columns
Presolve time: 0.69s
Presolved: 38059 rows, 1641 columns, 115810 nonzeros
Variable types: 0 continuous, 1641 integer (1601 binary)
Found heuristic solution: objective 10.0000000
Root relaxation presolved: 19743 rows, 19957 columns, 79178 nonzeros


Root relaxation: objective 2.700000e+01, 1747 iterations, 1.15 seconds (0.35 work units)

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

     0     0   27.00000    0  238   10.00000   27.00000   170%     -    6s
H    0     0                      12.0000000   27.00000   125%     -    6s
H    0     0                      13.0000000   27.00000   108%     -    8s
     0     0   27.00000    0  382   13.00000   27.00000   108%     -   10s
     0     0   27.00000    0  382   13.00000   27.00000   108%     -   10s
     0     0   26.66667    0  316   13.00000   26.66667   105%     -   41s
     0     0   26.66667    0  273   13.00000   26.66667   105%     -   41s
     0     0   26.66667    0  407   13.00000   26.66667   105%     -   50s

Cutting planes:
  Lift-and-project: 2
  Cover: 14
  MIR: 78
  StrongCG: 2
  GUB cover: 6
  Zero half: 34
  RLT: 27
  BQP: 1

Explored 1 nodes (24739 simplex iterations) in 50.09 seconds (12.78 work units)
Thread count was 8 (of 8 available processors)

Solution count 4: 13 12 10 3 

Time limit reached
Best objective 1.300000000000e+01, best bound 2.600000000000e+01, gap 100.0000%

Wrote result file './lp_solutions/grafo10141.38.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 10:42:47 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo10141.38.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/grafo10141.38.lp
Reading time = 0.07 seconds
: 40487 rows, 1683 columns, 122721 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 40487 rows, 1683 columns and 122721 nonzeros
Model fingerprint: 0xaed357c9
Variable types: 40 continuous, 1643 integer (1643 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 2428 rows and 42 columns
Presolve time: 0.29s
Presolved: 38059 rows, 1641 columns, 115810 nonzeros
Variable types: 0 continuous, 1641 integer (1601 binary)
Found heuristic solution: objective 10.0000000
Root relaxation presolved: 19743 rows, 19957 columns, 79178 nonzeros


Root relaxation: objective 2.700000e+01, 1747 iterations, 0.46 seconds (0.35 work units)

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

     0     0   27.00000    0  238   10.00000   27.00000   170%     -    2s
H    0     0                      12.0000000   27.00000   125%     -    2s
H    0     0                      13.0000000   27.00000   108%     -    3s
     0     0   27.00000    0  382   13.00000   27.00000   108%     -    4s
     0     0   27.00000    0  382   13.00000   27.00000   108%     -    4s
     0     0   26.66667    0  316   13.00000   26.66667   105%     -   14s
     0     0   26.66667    0  273   13.00000   26.66667   105%     -   14s
     0     0   26.66667    0  249   13.00000   26.66667   105%     -   17s
     0     0   26.66667    0  286   13.00000   26.66667   105%     -   18s
H    0     0                      14.0000000   26.66667  90.5%     -   24s
     0     0   26.66667    0  358   14.00000   26.66667  90.5%     -   24s
     0     0   26.66667    0  240   14.00000   26.66667  90.5%     -   24s
     0     0   26.66667    0  243   14.00000   26.66667  90.5%     -   29s
     0     0   26.66667    0  362   14.00000   26.66667  90.5%     -   30s
H    0     0                      15.0000000   26.66667  77.8%     -   34s
     0     0   26.66667    0  284   15.00000   26.66667  77.8%     -   34s
     0     0   26.66667    0  284   15.00000   26.66667  77.8%     -   35s
     0     2   26.66667    0  255   15.00000   26.66667  77.8%     -   39s
     3     8   26.66667    2  279   15.00000   26.66667  77.8%   770   40s
H  175   190                      16.0000000   26.66667  66.7%   128   44s
   191   221   23.00000   41  214   16.00000   26.66667  66.7%   123   46s
   263   267   23.00000   48  191   16.00000   26.66667  66.7%   160   50s

Cutting planes:
  Lift-and-project: 2
  Cover: 3
  MIR: 47
  StrongCG: 1
  Zero half: 2
  RLT: 37

Explored 268 nodes (98249 simplex iterations) in 50.06 seconds (44.51 work units)
Thread count was 8 (of 8 available processors)

Solution count 7: 16 15 14 ... 3

Time limit reached
Best objective 1.600000000000e+01, best bound 2.600000000000e+01, gap 62.5000%

Wrote result file './lp_solutions/grafo10141.38.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 14 01:53:43 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo10141.38.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/grafo10141.38.lp
Reading time = 0.09 seconds
: 40487 rows, 1683 columns, 122721 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 40487 rows, 1683 columns and 122721 nonzeros
Model fingerprint: 0xaed357c9
Variable types: 40 continuous, 1643 integer (1643 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 2428 rows and 42 columns
Presolve time: 0.38s
Presolved: 38059 rows, 1641 columns, 115810 nonzeros
Variable types: 0 continuous, 1641 integer (1601 binary)
Found heuristic solution: objective 10.0000000
Root relaxation presolved: 19743 rows, 19957 columns, 79178 nonzeros


Root relaxation: objective 2.700000e+01, 1747 iterations, 0.73 seconds (0.35 work units)

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

     0     0   27.00000    0  238   10.00000   27.00000   170%     -    3s
H    0     0                      12.0000000   27.00000   125%     -    3s
H    0     0                      13.0000000   27.00000   108%     -    4s
     0     0   27.00000    0  382   13.00000   27.00000   108%     -    6s
     0     0   27.00000    0  382   13.00000   27.00000   108%     -    6s
     0     0   26.66667    0  316   13.00000   26.66667   105%     -   18s
     0     0   26.66667    0  273   13.00000   26.66667   105%     -   18s
     0     0   26.66667    0  249   13.00000   26.66667   105%     -   23s
     0     0   26.66667    0  286   13.00000   26.66667   105%     -   23s
H    0     0                      14.0000000   26.66667  90.5%     -   31s
     0     0   26.66667    0  358   14.00000   26.66667  90.5%     -   31s
     0     0   26.66667    0  240   14.00000   26.66667  90.5%     -   32s
     0     0   26.66667    0  243   14.00000   26.66667  90.5%     -   38s
     0     0   26.66667    0  362   14.00000   26.66667  90.5%     -   40s
H    0     0                      15.0000000   26.66667  77.8%     -   46s
     0     0   26.66667    0  284   15.00000   26.66667  77.8%     -   46s
     0     0   26.66667    0  284   15.00000   26.66667  77.8%     -   47s

Cutting planes:
  Lift-and-project: 2
  Cover: 1
  MIR: 15
  Zero half: 2
  RLT: 16

Explored 1 nodes (53379 simplex iterations) in 50.04 seconds (28.50 work units)
Thread count was 8 (of 8 available processors)

Solution count 6: 15 14 13 ... 3

Time limit reached
Best objective 1.500000000000e+01, best bound 2.600000000000e+01, gap 73.3333%

Wrote result file './lp_solutions/grafo10141.38.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 21 09:04:35 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo10141.38.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/grafo10141.38.lp
Reading time = 0.07 seconds
: 40487 rows, 1683 columns, 122721 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 40487 rows, 1683 columns and 122721 nonzeros
Model fingerprint: 0xaed357c9
Variable types: 40 continuous, 1643 integer (1643 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 2428 rows and 42 columns
Presolve time: 0.28s
Presolved: 38059 rows, 1641 columns, 115810 nonzeros
Variable types: 0 continuous, 1641 integer (1601 binary)
Found heuristic solution: objective 10.0000000
Root relaxation presolved: 19743 rows, 19957 columns, 79178 nonzeros


Root relaxation: objective 2.700000e+01, 1747 iterations, 0.43 seconds (0.35 work units)

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

     0     0   27.00000    0  238   10.00000   27.00000   170%     -    2s
H    0     0                      12.0000000   27.00000   125%     -    2s
H    0     0                      13.0000000   27.00000   108%     -    3s
     0     0   27.00000    0  382   13.00000   27.00000   108%     -    4s
     0     0   27.00000    0  382   13.00000   27.00000   108%     -    4s
     0     0   26.66667    0  316   13.00000   26.66667   105%     -   12s
     0     0   26.66667    0  273   13.00000   26.66667   105%     -   12s
     0     0   26.66667    0  249   13.00000   26.66667   105%     -   15s
     0     0   26.66667    0  286   13.00000   26.66667   105%     -   15s
H    0     0                      14.0000000   26.66667  90.5%     -   21s
     0     0   26.66667    0  358   14.00000   26.66667  90.5%     -   21s
     0     0   26.66667    0  240   14.00000   26.66667  90.5%     -   21s
     0     0   26.66667    0  243   14.00000   26.66667  90.5%     -   25s
     0     0   26.66667    0  362   14.00000   26.66667  90.5%     -   26s
H    0     0                      15.0000000   26.66667  77.8%     -   29s
     0     0   26.66667    0  284   15.00000   26.66667  77.8%     -   29s
     0     0   26.66667    0  284   15.00000   26.66667  77.8%     -   30s
     0     2   26.66667    0  255   15.00000   26.66667  77.8%     -   33s
    19    24   26.66667    4  265   15.00000   26.66667  77.8%   457   35s
H  175   190                      16.0000000   26.66667  66.7%   128   37s
   191   221   23.00000   41  214   16.00000   26.66667  66.7%   123   40s
   271   276   23.00000   50  197   16.00000   26.66667  66.7%   194   45s
   308   305   22.00000   61  140   16.00000   26.66667  66.7%   294   50s

Cutting planes:
  Lift-and-project: 2
  Cover: 3
  MIR: 47
  StrongCG: 1
  Zero half: 2
  RLT: 37

Explored 309 nodes (143863 simplex iterations) in 50.05 seconds (55.48 work units)
Thread count was 8 (of 8 available processors)

Solution count 7: 16 15 14 ... 3

Time limit reached
Best objective 1.600000000000e+01, best bound 2.600000000000e+01, gap 62.5000%

Wrote result file './lp_solutions/grafo10141.38.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Fri Nov 22 01:59:56 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo10141.38.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/grafo10141.38.lp
Reading time = 0.07 seconds
: 40487 rows, 1683 columns, 122721 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 40487 rows, 1683 columns and 122721 nonzeros
Model fingerprint: 0xaed357c9
Variable types: 40 continuous, 1643 integer (1643 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 2428 rows and 42 columns
Presolve time: 0.27s
Presolved: 38059 rows, 1641 columns, 115810 nonzeros
Variable types: 0 continuous, 1641 integer (1601 binary)
Found heuristic solution: objective 10.0000000
Root relaxation presolved: 19743 rows, 19957 columns, 79178 nonzeros


Root relaxation: objective 2.700000e+01, 1747 iterations, 0.42 seconds (0.35 work units)

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

     0     0   27.00000    0  238   10.00000   27.00000   170%     -    2s
H    0     0                      12.0000000   27.00000   125%     -    2s
H    0     0                      13.0000000   27.00000   108%     -    3s
     0     0   27.00000    0  382   13.00000   27.00000   108%     -    3s
     0     0   27.00000    0  382   13.00000   27.00000   108%     -    4s
     0     0   26.66667    0  316   13.00000   26.66667   105%     -   12s
     0     0   26.66667    0  273   13.00000   26.66667   105%     -   12s
     0     0   26.66667    0  249   13.00000   26.66667   105%     -   15s
     0     0   26.66667    0  286   13.00000   26.66667   105%     -   15s
H    0     0                      14.0000000   26.66667  90.5%     -   21s
     0     0   26.66667    0  358   14.00000   26.66667  90.5%     -   21s
     0     0   26.66667    0  240   14.00000   26.66667  90.5%     -   21s
     0     0   26.66667    0  243   14.00000   26.66667  90.5%     -   25s
     0     0   26.66667    0  362   14.00000   26.66667  90.5%     -   26s
H    0     0                      15.0000000   26.66667  77.8%     -   30s
     0     0   26.66667    0  284   15.00000   26.66667  77.8%     -   30s
     0     0   26.66667    0  284   15.00000   26.66667  77.8%     -   30s
     0     2   26.66667    0  255   15.00000   26.66667  77.8%     -   34s
     3     8   26.66667    2  279   15.00000   26.66667  77.8%   770   35s
H  175   190                      16.0000000   26.66667  66.7%   128   38s
   191   221   23.00000   41  214   16.00000   26.66667  66.7%   123   40s
   271   276   23.00000   50  197   16.00000   26.66667  66.7%   194   46s
   295   303   23.00000   53  206   16.00000   26.66667  66.7%   255   50s

Cutting planes:
  Lift-and-project: 2
  Cover: 3
  MIR: 47
  StrongCG: 1
  Zero half: 2
  RLT: 37

Explored 307 nodes (137885 simplex iterations) in 50.05 seconds (54.35 work units)
Thread count was 8 (of 8 available processors)

Solution count 7: 16 15 14 ... 3

Time limit reached
Best objective 1.600000000000e+01, best bound 2.600000000000e+01, gap 62.5000%

Wrote result file './lp_solutions/grafo10141.38.sol'

