
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 14 09:16:11 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5942.34.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/grafo5942.34.lp
Reading time = 0.11 seconds
: 51462 rows, 1595 columns, 155667 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 51462 rows, 1595 columns and 155667 nonzeros
Model fingerprint: 0x597d42da
Variable types: 40 continuous, 1555 integer (1555 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 11680 rows and 22 columns
Presolve time: 0.52s
Presolved: 39782 rows, 1573 columns, 120847 nonzeros
Variable types: 0 continuous, 1573 integer (1533 binary)
Found heuristic solution: objective 7.0000000
Root relaxation presolved: 23918 rows, 17437 columns, 89119 nonzeros


Root relaxation: objective 4.100000e+01, 1770 iterations, 0.86 seconds (0.55 work units)

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

     0     0   41.00000    0  390    7.00000   41.00000   486%     -    3s
H    0     0                       8.0000000   41.00000   412%     -    5s
     0     0   41.00000    0  699    8.00000   41.00000   412%     -   10s
     0     0   41.00000    0  696    8.00000   41.00000   412%     -   10s
H    0     0                       9.0000000   41.00000   356%     -   42s
H    0     0                      10.0000000   41.00000   310%     -   42s
H    0     0                      12.0000000   41.00000   242%     -   42s
H    0     0                      13.0000000   41.00000   215%     -   42s
H    0     0                      14.0000000   41.00000   193%     -   42s
     0     0   41.00000    0  564   14.00000   41.00000   193%     -   42s
     0     0   41.00000    0  533   14.00000   41.00000   193%     -   44s
     0     0          -    0        14.00000   41.00000   193%     -   50s

Cutting planes:
  Gomory: 1
  Cover: 19
  Clique: 23
  MIR: 142
  StrongCG: 1
  GUB cover: 2
  Zero half: 47
  RLT: 62
  BQP: 3

Explored 1 nodes (39723 simplex iterations) in 50.06 seconds (32.89 work units)
Thread count was 8 (of 8 available processors)

Solution count 8: 14 13 12 ... 3

Time limit reached
Best objective 1.400000000000e+01, best bound 4.100000000000e+01, gap 192.8571%

Wrote result file './lp_solutions/grafo5942.34.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 21 05:47:45 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5942.34.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/grafo5942.34.lp
Reading time = 0.09 seconds
: 51462 rows, 1595 columns, 155667 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 51462 rows, 1595 columns and 155667 nonzeros
Model fingerprint: 0x597d42da
Variable types: 40 continuous, 1555 integer (1555 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 11680 rows and 22 columns
Presolve time: 0.36s
Presolved: 39782 rows, 1573 columns, 120847 nonzeros
Variable types: 0 continuous, 1573 integer (1533 binary)
Found heuristic solution: objective 7.0000000
Root relaxation presolved: 23918 rows, 17437 columns, 89119 nonzeros


Root relaxation: objective 4.100000e+01, 1770 iterations, 0.57 seconds (0.55 work units)

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

     0     0   41.00000    0  390    7.00000   41.00000   486%     -    2s
H    0     0                       8.0000000   41.00000   412%     -    3s
     0     0   41.00000    0  699    8.00000   41.00000   412%     -    7s
     0     0   41.00000    0  696    8.00000   41.00000   412%     -    7s
H    0     0                       9.0000000   41.00000   356%     -   31s
H    0     0                      10.0000000   41.00000   310%     -   31s
H    0     0                      12.0000000   41.00000   242%     -   31s
H    0     0                      13.0000000   41.00000   215%     -   31s
H    0     0                      14.0000000   41.00000   193%     -   31s
     0     0   41.00000    0  564   14.00000   41.00000   193%     -   31s
     0     0   41.00000    0  533   14.00000   41.00000   193%     -   32s
H    0     0                      15.0000000   41.00000   173%     -   43s
     0     0   41.00000    0  462   15.00000   41.00000   173%     -   43s
     0     0   41.00000    0  417   15.00000   41.00000   173%     -   43s
     0     0   41.00000    0  772   15.00000   41.00000   173%     -   50s

Cutting planes:
  Gomory: 1
  Cover: 33
  Clique: 11
  MIR: 146
  StrongCG: 3
  GUB cover: 3
  Zero half: 74
  RLT: 68

Explored 1 nodes (58817 simplex iterations) in 50.05 seconds (46.20 work units)
Thread count was 8 (of 8 available processors)

Solution count 9: 15 14 13 ... 3

Time limit reached
Best objective 1.500000000000e+01, best bound 4.100000000000e+01, gap 173.3333%

Wrote result file './lp_solutions/grafo5942.34.sol'

