
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Fri Nov  1 22:08:07 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo10342.37.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/grafo10342.37.lp
Reading time = 0.26 seconds
: 62280 rows, 1896 columns, 188458 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 62280 rows, 1896 columns and 188458 nonzeros
Model fingerprint: 0x749aa185
Variable types: 44 continuous, 1852 integer (1852 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 12405 rows and 31 columns
Presolve time: 0.98s
Presolved: 49875 rows, 1865 columns, 151655 nonzeros
Variable types: 0 continuous, 1865 integer (1821 binary)
Found heuristic solution: objective 5.0000000
Root relaxation presolved: 28861 rows, 22879 columns, 109627 nonzeros


Root relaxation: objective 3.800000e+01, 1327 iterations, 0.89 seconds (0.35 work units)

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

     0     0   38.00000    0  304    5.00000   38.00000   660%     -    5s
H    0     0                       6.0000000   38.00000   533%     -    5s
H    0     0                      10.0000000   38.00000   280%     -    7s
H    0     0                      12.0000000   38.00000   217%     -    7s
H    0     0                      14.0000000   38.00000   171%     -   31s
H    0     0                      15.0000000   38.00000   153%     -   31s
     0     0   37.00000    0  637   15.00000   37.00000   147%     -   33s
     0     0   37.00000    0  598   15.00000   37.00000   147%     -   48s

Cutting planes:
  Gomory: 6
  Cover: 30
  Clique: 5
  MIR: 45
  GUB cover: 4
  Zero half: 6
  RLT: 33

Explored 1 nodes (10016 simplex iterations) in 51.19 seconds (6.61 work units)
Thread count was 8 (of 8 available processors)

Solution count 6: 15 14 12 ... 5

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

Wrote result file './lp_solutions/grafo10342.37.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 10:52:00 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo10342.37.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/grafo10342.37.lp
Reading time = 0.11 seconds
: 62280 rows, 1896 columns, 188458 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 62280 rows, 1896 columns and 188458 nonzeros
Model fingerprint: 0x749aa185
Variable types: 44 continuous, 1852 integer (1852 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 12405 rows and 31 columns
Presolve time: 0.47s
Presolved: 49875 rows, 1865 columns, 151655 nonzeros
Variable types: 0 continuous, 1865 integer (1821 binary)
Found heuristic solution: objective 5.0000000
Root relaxation presolved: 28861 rows, 22879 columns, 109627 nonzeros


Root relaxation: objective 3.800000e+01, 1327 iterations, 0.45 seconds (0.35 work units)

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

     0     0   38.00000    0  304    5.00000   38.00000   660%     -    2s
H    0     0                       6.0000000   38.00000   533%     -    2s
H    0     0                      10.0000000   38.00000   280%     -    3s
H    0     0                      12.0000000   38.00000   217%     -    3s
H    0     0                      14.0000000   38.00000   171%     -    7s
H    0     0                      15.0000000   38.00000   153%     -    7s
     0     0   37.00000    0  637   15.00000   37.00000   147%     -    7s
     0     0   37.00000    0  598   15.00000   37.00000   147%     -    9s
     0     0   37.00000    0  535   15.00000   37.00000   147%     -   36s
     0     0   37.00000    0  487   15.00000   37.00000   147%     -   37s
     0     0   37.00000    0  653   15.00000   37.00000   147%     -   50s

Cutting planes:
  Gomory: 1
  Lift-and-project: 1
  Cover: 20
  Clique: 4
  MIR: 138
  GUB cover: 2
  Zero half: 46
  RLT: 59
  BQP: 1

Explored 1 nodes (42544 simplex iterations) in 50.06 seconds (37.18 work units)
Thread count was 8 (of 8 available processors)

Solution count 6: 15 14 12 ... 5

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

Wrote result file './lp_solutions/grafo10342.37.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 14 02:02:06 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo10342.37.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/grafo10342.37.lp
Reading time = 0.15 seconds
: 62280 rows, 1896 columns, 188458 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 62280 rows, 1896 columns and 188458 nonzeros
Model fingerprint: 0x749aa185
Variable types: 44 continuous, 1852 integer (1852 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 12405 rows and 31 columns
Presolve time: 0.67s
Presolved: 49875 rows, 1865 columns, 151655 nonzeros
Variable types: 0 continuous, 1865 integer (1821 binary)
Found heuristic solution: objective 5.0000000
Root relaxation presolved: 28861 rows, 22879 columns, 109627 nonzeros


Root relaxation: objective 3.800000e+01, 1327 iterations, 0.65 seconds (0.35 work units)

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

     0     0   38.00000    0  304    5.00000   38.00000   660%     -    3s
H    0     0                       6.0000000   38.00000   533%     -    3s
H    0     0                      10.0000000   38.00000   280%     -    4s
H    0     0                      12.0000000   38.00000   217%     -    4s
H    0     0                      14.0000000   38.00000   171%     -   10s
H    0     0                      15.0000000   38.00000   153%     -   10s
     0     0   37.00000    0  637   15.00000   37.00000   147%     -   10s
     0     0   37.00000    0  598   15.00000   37.00000   147%     -   12s
     0     0   37.00000    0  535   15.00000   37.00000   147%     -   42s
     0     0   37.00000    0  487   15.00000   37.00000   147%     -   44s
     0     0          -    0        15.00000   37.00000   147%     -   50s

Cutting planes:
  Gomory: 1
  Lift-and-project: 1
  Cover: 20
  Clique: 4
  MIR: 138
  GUB cover: 2
  Zero half: 46
  RLT: 59
  BQP: 1

Explored 1 nodes (36002 simplex iterations) in 50.09 seconds (31.94 work units)
Thread count was 8 (of 8 available processors)

Solution count 6: 15 14 12 ... 5

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

Wrote result file './lp_solutions/grafo10342.37.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 21 08:00:54 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo10342.37.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/grafo10342.37.lp
Reading time = 0.10 seconds
: 62280 rows, 1896 columns, 188458 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 62280 rows, 1896 columns and 188458 nonzeros
Model fingerprint: 0x749aa185
Variable types: 44 continuous, 1852 integer (1852 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 12405 rows and 31 columns
Presolve time: 0.43s
Presolved: 49875 rows, 1865 columns, 151655 nonzeros
Variable types: 0 continuous, 1865 integer (1821 binary)
Found heuristic solution: objective 5.0000000
Root relaxation presolved: 28861 rows, 22879 columns, 109627 nonzeros


Root relaxation: objective 3.800000e+01, 1327 iterations, 0.40 seconds (0.35 work units)

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

     0     0   38.00000    0  304    5.00000   38.00000   660%     -    2s
H    0     0                       6.0000000   38.00000   533%     -    2s
H    0     0                      10.0000000   38.00000   280%     -    2s
H    0     0                      12.0000000   38.00000   217%     -    2s
H    0     0                      14.0000000   38.00000   171%     -    6s
H    0     0                      15.0000000   38.00000   153%     -    6s
     0     0   37.00000    0  637   15.00000   37.00000   147%     -    6s
     0     0   37.00000    0  598   15.00000   37.00000   147%     -    7s
     0     0   37.00000    0  535   15.00000   37.00000   147%     -   29s
     0     0   37.00000    0  487   15.00000   37.00000   147%     -   31s
H    0     0                      16.0000000   37.00000   131%     -   46s
     0     0   37.00000    0  365   16.00000   37.00000   131%     -   46s
     0     0   37.00000    0  376   16.00000   37.00000   131%     -   47s
     0     0   37.00000    0  541   16.00000   37.00000   131%     -   50s

Cutting planes:
  Gomory: 1
  Lift-and-project: 1
  Cover: 14
  Clique: 8
  MIR: 120
  StrongCG: 2
  GUB cover: 2
  Zero half: 30
  RLT: 50
  BQP: 1

Explored 1 nodes (51594 simplex iterations) in 50.07 seconds (44.46 work units)
Thread count was 8 (of 8 available processors)

Solution count 7: 16 15 14 ... 5

Time limit reached
Best objective 1.600000000000e+01, best bound 3.700000000000e+01, gap 131.2500%

Wrote result file './lp_solutions/grafo10342.37.sol'

