
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 14 09:19:32 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5967.37.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/grafo5967.37.lp
Reading time = 0.07 seconds
: 35241 rows, 1514 columns, 106750 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 35241 rows, 1514 columns and 106750 nonzeros
Model fingerprint: 0xc83f1547
Variable types: 36 continuous, 1478 integer (1478 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 2.0000000
Presolve removed 3343 rows and 33 columns
Presolve time: 0.28s
Presolved: 31898 rows, 1481 columns, 97077 nonzeros
Variable types: 0 continuous, 1481 integer (1445 binary)
Found heuristic solution: objective 8.0000000
Root relaxation presolved: 16988 rows, 16391 columns, 67257 nonzeros


Root relaxation: objective 2.900000e+01, 1865 iterations, 0.73 seconds (0.41 work units)
Total elapsed time = 5.71s (DegenMoves)

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

     0     0   29.00000    0  320    8.00000   29.00000   262%     -    6s
H    0     0                      11.0000000   29.00000   164%     -    6s
     0     0   29.00000    0  480   11.00000   29.00000   164%     -   10s
     0     0   29.00000    0  463   11.00000   29.00000   164%     -   11s
H    0     0                      12.0000000   29.00000   142%     -   22s
     0     0   29.00000    0  316   12.00000   29.00000   142%     -   22s
     0     0   29.00000    0  297   12.00000   29.00000   142%     -   23s
H    0     0                      13.0000000   29.00000   123%     -   31s
     0     0   29.00000    0  318   13.00000   29.00000   123%     -   31s
     0     0   29.00000    0  349   13.00000   29.00000   123%     -   32s
     0     0   29.00000    0  267   13.00000   29.00000   123%     -   47s
     0     0   29.00000    0  217   13.00000   29.00000   123%     -   47s
     0     0          -    0        13.00000   29.00000   123%     -   50s

Cutting planes:
  Gomory: 1
  Cover: 32
  MIR: 81
  StrongCG: 5
  GUB cover: 13
  Zero half: 23
  RLT: 34

Explored 1 nodes (58201 simplex iterations) in 50.18 seconds (27.85 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 13 12 11 ... 2

Time limit reached
Best objective 1.300000000000e+01, best bound 2.900000000000e+01, gap 123.0769%

Wrote result file './lp_solutions/grafo5967.37.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 21 08:45:19 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5967.37.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/grafo5967.37.lp
Reading time = 0.06 seconds
: 35241 rows, 1514 columns, 106750 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 35241 rows, 1514 columns and 106750 nonzeros
Model fingerprint: 0xc83f1547
Variable types: 36 continuous, 1478 integer (1478 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 2.0000000
Presolve removed 3343 rows and 33 columns
Presolve time: 0.23s
Presolved: 31898 rows, 1481 columns, 97077 nonzeros
Variable types: 0 continuous, 1481 integer (1445 binary)
Found heuristic solution: objective 8.0000000
Root relaxation presolved: 16988 rows, 16391 columns, 67257 nonzeros


Root relaxation: objective 2.900000e+01, 1865 iterations, 0.48 seconds (0.41 work units)

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

     0     0   29.00000    0  320    8.00000   29.00000   262%     -    4s
H    0     0                      11.0000000   29.00000   164%     -    5s
     0     0   29.00000    0  480   11.00000   29.00000   164%     -    7s
     0     0   29.00000    0  463   11.00000   29.00000   164%     -    7s
H    0     0                      12.0000000   29.00000   142%     -   15s
     0     0   29.00000    0  316   12.00000   29.00000   142%     -   15s
     0     0   29.00000    0  297   12.00000   29.00000   142%     -   15s
H    0     0                      13.0000000   29.00000   123%     -   20s
     0     0   29.00000    0  318   13.00000   29.00000   123%     -   20s
     0     0   29.00000    0  349   13.00000   29.00000   123%     -   20s
     0     0   29.00000    0  267   13.00000   29.00000   123%     -   29s
     0     0   29.00000    0  217   13.00000   29.00000   123%     -   29s
     0     0   28.83333    0  275   13.00000   28.83333   122%     -   31s
     0     0   28.83333    0  236   13.00000   28.83333   122%     -   32s
     0     0   28.66667    0  309   13.00000   28.66667   121%     -   38s
     0     0   28.66667    0  314   13.00000   28.66667   121%     -   38s
     0     0   28.66667    0  392   13.00000   28.66667   121%     -   42s
     0     0   28.66667    0  323   13.00000   28.66667   121%     -   43s
     0     2   28.66667    0  276   13.00000   28.66667   121%     -   45s
    37    39   28.66667    9  201   13.00000   28.66667   121%   529   50s

Cutting planes:
  Cover: 2
  Clique: 3
  MIR: 75
  StrongCG: 2
  GUB cover: 1
  Inf proof: 1
  Zero half: 8
  RLT: 29
  BQP: 1

Explored 38 nodes (101550 simplex iterations) in 50.05 seconds (48.85 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 13 12 11 ... 2

Time limit reached
Best objective 1.300000000000e+01, best bound 2.800000000000e+01, gap 115.3846%

Wrote result file './lp_solutions/grafo5967.37.sol'

