
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 14 02:58:49 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo11429.37.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/grafo11429.37.lp
Reading time = 0.12 seconds
: 56004 rows, 1880 columns, 169598 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 56004 rows, 1880 columns and 169598 nonzeros
Model fingerprint: 0x7158a1b5
Variable types: 44 continuous, 1836 integer (1836 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 8443 rows and 33 columns
Presolve time: 0.51s
Presolved: 47561 rows, 1847 columns, 144670 nonzeros
Variable types: 0 continuous, 1847 integer (1803 binary)
Found heuristic solution: objective 7.0000000
Root relaxation presolved: 26547 rows, 22861 columns, 102642 nonzeros


Root relaxation: objective 3.800000e+01, 1258 iterations, 0.56 seconds (0.29 work units)

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

     0     0   38.00000    0  253    7.00000   38.00000   443%     -    2s
H    0     0                      14.0000000   38.00000   171%     -    2s
H    0     0                      15.0000000   38.00000   153%     -    3s
     0     0   38.00000    0  444   15.00000   38.00000   153%     -    6s
     0     0   38.00000    0  458   15.00000   38.00000   153%     -    7s
H    0     0                      16.0000000   38.00000   137%     -   25s
H    0     0                      17.0000000   38.00000   124%     -   25s
     0     0   38.00000    0  525   17.00000   38.00000   124%     -   25s
     0     0   38.00000    0  531   17.00000   38.00000   124%     -   28s
     0     0   38.00000    0  426   17.00000   38.00000   124%     -   39s
     0     0   38.00000    0  392   17.00000   38.00000   124%     -   40s
     0     0   38.00000    0  620   17.00000   38.00000   124%     -   50s

Cutting planes:
  Cover: 26
  Clique: 1
  MIR: 129
  StrongCG: 4
  GUB cover: 7
  Zero half: 54
  RLT: 52

Explored 1 nodes (40880 simplex iterations) in 50.08 seconds (29.14 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 17 16 15 ... 7

Time limit reached
Best objective 1.700000000000e+01, best bound 3.800000000000e+01, gap 123.5294%

Wrote result file './lp_solutions/grafo11429.37.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 21 08:09:17 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo11429.37.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/grafo11429.37.lp
Reading time = 0.09 seconds
: 56004 rows, 1880 columns, 169598 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 56004 rows, 1880 columns and 169598 nonzeros
Model fingerprint: 0x7158a1b5
Variable types: 44 continuous, 1836 integer (1836 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 8443 rows and 33 columns
Presolve time: 0.38s
Presolved: 47561 rows, 1847 columns, 144670 nonzeros
Variable types: 0 continuous, 1847 integer (1803 binary)
Found heuristic solution: objective 7.0000000
Root relaxation presolved: 26547 rows, 22861 columns, 102642 nonzeros


Root relaxation: objective 3.800000e+01, 1258 iterations, 0.34 seconds (0.29 work units)

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

     0     0   38.00000    0  253    7.00000   38.00000   443%     -    1s
H    0     0                      14.0000000   38.00000   171%     -    1s
H    0     0                      15.0000000   38.00000   153%     -    2s
     0     0   38.00000    0  444   15.00000   38.00000   153%     -    4s
     0     0   38.00000    0  458   15.00000   38.00000   153%     -    4s
H    0     0                      16.0000000   38.00000   137%     -   17s
H    0     0                      17.0000000   38.00000   124%     -   17s
     0     0   38.00000    0  525   17.00000   38.00000   124%     -   17s
     0     0   38.00000    0  531   17.00000   38.00000   124%     -   18s
     0     0   38.00000    0  426   17.00000   38.00000   124%     -   27s
     0     0   38.00000    0  392   17.00000   38.00000   124%     -   27s
     0     0   38.00000    0  450   17.00000   38.00000   124%     -   47s
     0     0   38.00000    0  391   17.00000   38.00000   124%     -   48s
     0     0          -    0        17.00000   38.00000   124%     -   50s

Cutting planes:
  Cover: 32
  Clique: 1
  MIR: 125
  StrongCG: 2
  GUB cover: 8
  Zero half: 42
  RLT: 54

Explored 1 nodes (55153 simplex iterations) in 50.08 seconds (40.71 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 17 16 15 ... 7

Time limit reached
Best objective 1.700000000000e+01, best bound 3.800000000000e+01, gap 123.5294%

Wrote result file './lp_solutions/grafo11429.37.sol'

