
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 14 03:07:12 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo11486.37.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/grafo11486.37.lp
Reading time = 0.14 seconds
: 65958 rows, 1886 columns, 199452 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 65958 rows, 1886 columns and 199452 nonzeros
Model fingerprint: 0xba508d68
Variable types: 43 continuous, 1843 integer (1843 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 4.0000000
Presolve removed 14893 rows and 21 columns
Presolve time: 0.76s
Presolved: 51065 rows, 1865 columns, 155194 nonzeros
Variable types: 0 continuous, 1865 integer (1822 binary)
Found heuristic solution: objective 13.0000000
Root relaxation presolved: 1859 rows, 52924 columns, 157059 nonzeros


Root relaxation: objective 4.200000e+01, 1294 iterations, 0.36 seconds (0.22 work units)

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

     0     0   42.00000    0  318   13.00000   42.00000   223%     -    2s
H    0     0                      14.0000000   42.00000   200%     -    3s
     0     0   42.00000    0  546   14.00000   42.00000   200%     -    9s
H    0     0                      15.0000000   42.00000   180%     -    9s
     0     0   42.00000    0  512   15.00000   42.00000   180%     -   11s
H    0     0                      16.0000000   42.00000   162%     -   38s
H    0     0                      17.0000000   42.00000   147%     -   38s
H    0     0                      18.0000000   42.00000   133%     -   38s
H    0     0                      19.0000000   42.00000   121%     -   38s
     0     0   42.00000    0  370   19.00000   42.00000   121%     -   38s
H    0     0                      20.0000000   42.00000   110%     -   38s
     0     0   42.00000    0  363   20.00000   42.00000   110%     -   39s
     0     0   42.00000    0  430   20.00000   42.00000   110%     -   50s

Cutting planes:
  Cover: 29
  Clique: 11
  MIR: 106
  StrongCG: 1
  GUB cover: 2
  Zero half: 84
  RLT: 54
  BQP: 1

Explored 1 nodes (38205 simplex iterations) in 50.09 seconds (30.49 work units)
Thread count was 8 (of 8 available processors)

Solution count 9: 20 19 18 ... 4

Time limit reached
Best objective 2.000000000000e+01, best bound 4.200000000000e+01, gap 110.0000%

Wrote result file './lp_solutions/grafo11486.37.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 21 08:11:48 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo11486.37.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/grafo11486.37.lp
Reading time = 0.11 seconds
: 65958 rows, 1886 columns, 199452 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 65958 rows, 1886 columns and 199452 nonzeros
Model fingerprint: 0xba508d68
Variable types: 43 continuous, 1843 integer (1843 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 4.0000000
Presolve removed 14893 rows and 21 columns
Presolve time: 0.48s
Presolved: 51065 rows, 1865 columns, 155194 nonzeros
Variable types: 0 continuous, 1865 integer (1822 binary)
Found heuristic solution: objective 13.0000000
Root relaxation presolved: 1859 rows, 52924 columns, 157059 nonzeros


Root relaxation: objective 4.200000e+01, 1294 iterations, 0.25 seconds (0.22 work units)

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

     0     0   42.00000    0  318   13.00000   42.00000   223%     -    1s
H    0     0                      14.0000000   42.00000   200%     -    2s
     0     0   42.00000    0  546   14.00000   42.00000   200%     -    6s
H    0     0                      15.0000000   42.00000   180%     -    6s
     0     0   42.00000    0  512   15.00000   42.00000   180%     -    7s
H    0     0                      16.0000000   42.00000   162%     -   27s
H    0     0                      17.0000000   42.00000   147%     -   27s
H    0     0                      18.0000000   42.00000   133%     -   27s
H    0     0                      19.0000000   42.00000   121%     -   27s
     0     0   42.00000    0  370   19.00000   42.00000   121%     -   27s
H    0     0                      20.0000000   42.00000   110%     -   27s
     0     0   42.00000    0  363   20.00000   42.00000   110%     -   27s
     0     0   42.00000    0  381   20.00000   42.00000   110%     -   37s
     0     0   42.00000    0  366   20.00000   42.00000   110%     -   38s
     0     0   42.00000    0  497   20.00000   42.00000   110%     -   50s

Cutting planes:
  Gomory: 1
  Cover: 1
  Clique: 8
  MIR: 28
  Zero half: 3
  RLT: 18
  BQP: 1

Explored 1 nodes (54250 simplex iterations) in 50.10 seconds (43.84 work units)
Thread count was 8 (of 8 available processors)

Solution count 9: 20 19 18 ... 4

Time limit reached
Best objective 2.000000000000e+01, best bound 4.200000000000e+01, gap 110.0000%

Wrote result file './lp_solutions/grafo11486.37.sol'

