
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 15:45:53 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo2723.18.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/grafo2723.18.lp
Reading time = 0.09 seconds
: 55634 rows, 742 columns, 167424 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 55634 rows, 742 columns and 167424 nonzeros
Model fingerprint: 0xcd664a31
Variable types: 26 continuous, 716 integer (716 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 -0.0000000
Presolve removed 27868 rows and 2 columns
Presolve time: 0.33s
Presolved: 27766 rows, 740 columns, 83996 nonzeros
Variable types: 0 continuous, 740 integer (714 binary)
Found heuristic solution: objective 6.0000000
Root relaxation presolved: 24350 rows, 4156 columns, 77164 nonzeros


Root relaxation: objective 3.600000e+01, 1012 iterations, 0.38 seconds (0.43 work units)

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

     0     0   36.00000    0  310    6.00000   36.00000   500%     -    1s
H    0     0                       7.0000000   36.00000   414%     -    1s
     0     0   36.00000    0  475    7.00000   36.00000   414%     -    3s
     0     0   36.00000    0  431    7.00000   36.00000   414%     -    4s
H    0     0                       8.0000000   36.00000   350%     -    9s
     0     0   36.00000    0  366    8.00000   36.00000   350%     -    9s
     0     0   36.00000    0  334    8.00000   36.00000   350%     -    9s
     0     0   36.00000    0  407    8.00000   36.00000   350%     -   13s
     0     0   36.00000    0  400    8.00000   36.00000   350%     -   14s
     0     0   36.00000    0  319    8.00000   36.00000   350%     -   17s
     0     0   36.00000    0  313    8.00000   36.00000   350%     -   17s
H    0     0                       9.0000000   36.00000   300%     -   21s
     0     0   36.00000    0  351    9.00000   36.00000   300%     -   21s
     0     0   36.00000    0  326    9.00000   36.00000   300%     -   22s
     0     0   36.00000    0  345    9.00000   36.00000   300%     -   26s
     0     0   36.00000    0  314    9.00000   36.00000   300%     -   27s
     0     2   36.00000    0  283    9.00000   36.00000   300%     -   30s
    45    53   36.00000   10  226    9.00000   36.00000   300%   271   35s
   182   218   33.50000   37  333    9.00000   36.00000   300%   290   41s
   248   289   31.50000   49  226    9.00000   36.00000   300%   326   45s
   452   479   26.40000   87  185    9.00000   36.00000   300%   310   50s

Cutting planes:
  Cover: 4
  Clique: 26
  MIR: 53
  StrongCG: 2
  Zero half: 4
  RLT: 48
  BQP: 6

Explored 478 nodes (183774 simplex iterations) in 50.04 seconds (69.01 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 9 8 7 ... -0

Time limit reached
Best objective 9.000000000000e+00, best bound 3.600000000000e+01, gap 300.0000%

Wrote result file './lp_solutions/grafo2723.18.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 18 07:18:35 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo2723.18.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/grafo2723.18.lp
Reading time = 0.13 seconds
: 55634 rows, 742 columns, 167424 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 55634 rows, 742 columns and 167424 nonzeros
Model fingerprint: 0xcd664a31
Variable types: 26 continuous, 716 integer (716 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 -0.0000000
Presolve removed 27868 rows and 2 columns
Presolve time: 0.38s
Presolved: 27766 rows, 740 columns, 83996 nonzeros
Variable types: 0 continuous, 740 integer (714 binary)
Found heuristic solution: objective 6.0000000
Root relaxation presolved: 24350 rows, 4156 columns, 77164 nonzeros


Root relaxation: objective 3.600000e+01, 1012 iterations, 0.42 seconds (0.43 work units)

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

     0     0   36.00000    0  310    6.00000   36.00000   500%     -    2s
H    0     0                       7.0000000   36.00000   414%     -    2s
     0     0   36.00000    0  475    7.00000   36.00000   414%     -    5s
     0     0   36.00000    0  431    7.00000   36.00000   414%     -    5s
H    0     0                       8.0000000   36.00000   350%     -   13s
     0     0   36.00000    0  366    8.00000   36.00000   350%     -   13s
     0     0   36.00000    0  334    8.00000   36.00000   350%     -   13s
     0     0   36.00000    0  407    8.00000   36.00000   350%     -   20s
     0     0   36.00000    0  400    8.00000   36.00000   350%     -   20s
     0     0   36.00000    0  319    8.00000   36.00000   350%     -   24s
     0     0   36.00000    0  313    8.00000   36.00000   350%     -   24s
H    0     0                       9.0000000   36.00000   300%     -   30s
     0     0   36.00000    0  351    9.00000   36.00000   300%     -   30s
     0     0   36.00000    0  326    9.00000   36.00000   300%     -   30s
     0     0   36.00000    0  345    9.00000   36.00000   300%     -   37s
     0     0   36.00000    0  314    9.00000   36.00000   300%     -   38s
     0     2   36.00000    0  283    9.00000   36.00000   300%     -   42s
    45    53   36.00000   10  226    9.00000   36.00000   300%   271   47s
    74   105   35.83333   14  276    9.00000   36.00000   300%   357   50s

Cutting planes:
  Cover: 4
  Clique: 26
  MIR: 53
  StrongCG: 2
  Zero half: 4
  RLT: 48
  BQP: 6

Explored 104 nodes (71852 simplex iterations) in 50.03 seconds (44.60 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 9 8 7 ... -0

Time limit reached
Best objective 9.000000000000e+00, best bound 3.600000000000e+01, gap 300.0000%

Wrote result file './lp_solutions/grafo2723.18.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 20 08:20:51 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo2723.18.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/grafo2723.18.lp
Reading time = 0.11 seconds
: 55634 rows, 742 columns, 167424 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 55634 rows, 742 columns and 167424 nonzeros
Model fingerprint: 0xcd664a31
Variable types: 26 continuous, 716 integer (716 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 -0.0000000
Presolve removed 27868 rows and 2 columns
Presolve time: 0.42s
Presolved: 27766 rows, 740 columns, 83996 nonzeros
Variable types: 0 continuous, 740 integer (714 binary)
Found heuristic solution: objective 6.0000000
Root relaxation presolved: 24350 rows, 4156 columns, 77164 nonzeros


Root relaxation: objective 3.600000e+01, 1012 iterations, 0.45 seconds (0.43 work units)

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

     0     0   36.00000    0  310    6.00000   36.00000   500%     -    2s
H    0     0                       7.0000000   36.00000   414%     -    2s
     0     0   36.00000    0  475    7.00000   36.00000   414%     -    4s
     0     0   36.00000    0  431    7.00000   36.00000   414%     -    5s
H    0     0                       8.0000000   36.00000   350%     -   11s
     0     0   36.00000    0  366    8.00000   36.00000   350%     -   11s
     0     0   36.00000    0  334    8.00000   36.00000   350%     -   11s
     0     0   36.00000    0  407    8.00000   36.00000   350%     -   17s
     0     0   36.00000    0  400    8.00000   36.00000   350%     -   18s
     0     0   36.00000    0  319    8.00000   36.00000   350%     -   21s
     0     0   36.00000    0  313    8.00000   36.00000   350%     -   22s
H    0     0                       9.0000000   36.00000   300%     -   27s
     0     0   36.00000    0  351    9.00000   36.00000   300%     -   27s
     0     0   36.00000    0  326    9.00000   36.00000   300%     -   28s
     0     0   36.00000    0  345    9.00000   36.00000   300%     -   34s
     0     0   36.00000    0  314    9.00000   36.00000   300%     -   35s
     0     2   36.00000    0  283    9.00000   36.00000   300%     -   39s
    11    16   36.00000    3  251    9.00000   36.00000   300%   469   40s
    52    75   36.00000   11  208    9.00000   36.00000   300%   382   45s
   182   184   34.50000   31  278    9.00000   36.00000   300%   289   50s

Cutting planes:
  Cover: 4
  Clique: 26
  MIR: 53
  StrongCG: 2
  Zero half: 4
  RLT: 48
  BQP: 6

Explored 183 nodes (92209 simplex iterations) in 50.05 seconds (49.11 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 9 8 7 ... -0

Time limit reached
Best objective 9.000000000000e+00, best bound 3.600000000000e+01, gap 300.0000%

Wrote result file './lp_solutions/grafo2723.18.sol'

