
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Fri Nov  1 21:55:27 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo1025.15.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/grafo1025.15.lp
Reading time = 0.01 seconds
: 2115 rows, 213 columns, 6361 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 2115 rows, 213 columns and 6361 nonzeros
Model fingerprint: 0xf8a32afa
Variable types: 11 continuous, 202 integer (202 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 -0.0000000
Presolve removed 598 rows and 12 columns
Presolve time: 0.03s
Presolved: 1517 rows, 201 columns, 4663 nonzeros
Variable types: 0 continuous, 201 integer (190 binary)
Found heuristic solution: objective 1.0000000

Root relaxation: objective 8.000000e+00, 134 iterations, 0.02 seconds (0.00 work units)

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

     0     0    8.00000    0   68    1.00000    8.00000   700%     -    0s
H    0     0                       3.0000000    8.00000   167%     -    0s
     0     0    8.00000    0   81    3.00000    8.00000   167%     -    0s
     0     0    8.00000    0   81    3.00000    8.00000   167%     -    0s
H    0     0                       4.0000000    7.66667  91.7%     -    0s
     0     0    7.66667    0   62    4.00000    7.66667  91.7%     -    0s
     0     0    7.50000    0   62    4.00000    7.50000  87.5%     -    0s
     0     0    7.00000    0   47    4.00000    7.00000  75.0%     -    0s
H    0     0                       5.0000000    7.00000  40.0%     -    0s
     0     0    7.00000    0   44    5.00000    7.00000  40.0%     -    0s
     0     0    7.00000    0   48    5.00000    7.00000  40.0%     -    0s
     0     0    7.00000    0   51    5.00000    7.00000  40.0%     -    0s
     0     0    7.00000    0   37    5.00000    7.00000  40.0%     -    0s
     0     0    7.00000    0   64    5.00000    7.00000  40.0%     -    0s
     0     0    7.00000    0   47    5.00000    7.00000  40.0%     -    0s
     0     2    7.00000    0   46    5.00000    7.00000  40.0%     -    0s

Cutting planes:
  Gomory: 3
  Cover: 35
  MIR: 32
  StrongCG: 4
  GUB cover: 3
  Inf proof: 24
  Zero half: 4
  RLT: 21

Explored 1878 nodes (99392 simplex iterations) in 4.73 seconds (1.97 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 5 4 3 ... -0

Optimal solution found (tolerance 1.00e-04)
Best objective 5.000000000000e+00, best bound 5.000000000000e+00, gap 0.0000%

Wrote result file './lp_solutions/grafo1025.15.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 01:00:39 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo1025.15.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/grafo1025.15.lp
Reading time = 0.01 seconds
: 2115 rows, 213 columns, 6361 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 2115 rows, 213 columns and 6361 nonzeros
Model fingerprint: 0xf8a32afa
Variable types: 11 continuous, 202 integer (202 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 -0.0000000
Presolve removed 598 rows and 12 columns
Presolve time: 0.03s
Presolved: 1517 rows, 201 columns, 4663 nonzeros
Variable types: 0 continuous, 201 integer (190 binary)
Found heuristic solution: objective 1.0000000

Root relaxation: objective 8.000000e+00, 134 iterations, 0.01 seconds (0.00 work units)

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

     0     0    8.00000    0   68    1.00000    8.00000   700%     -    0s
H    0     0                       3.0000000    8.00000   167%     -    0s
     0     0    8.00000    0   81    3.00000    8.00000   167%     -    0s
     0     0    8.00000    0   81    3.00000    8.00000   167%     -    0s
H    0     0                       4.0000000    7.66667  91.7%     -    0s
     0     0    7.66667    0   62    4.00000    7.66667  91.7%     -    0s
     0     0    7.50000    0   62    4.00000    7.50000  87.5%     -    0s
     0     0    7.00000    0   47    4.00000    7.00000  75.0%     -    0s
H    0     0                       5.0000000    7.00000  40.0%     -    0s
     0     0    7.00000    0   44    5.00000    7.00000  40.0%     -    0s
     0     0    7.00000    0   48    5.00000    7.00000  40.0%     -    0s
     0     0    7.00000    0   51    5.00000    7.00000  40.0%     -    0s
     0     0    7.00000    0   37    5.00000    7.00000  40.0%     -    0s
     0     0    7.00000    0   64    5.00000    7.00000  40.0%     -    0s
     0     0    7.00000    0   47    5.00000    7.00000  40.0%     -    1s
     0     2    7.00000    0   46    5.00000    7.00000  40.0%     -    1s
  1741    22    6.00000   17   27    5.00000    6.00000  20.0%  49.9    5s

Cutting planes:
  Gomory: 3
  Cover: 35
  MIR: 32
  StrongCG: 4
  GUB cover: 3
  Inf proof: 24
  Zero half: 4
  RLT: 21

Explored 1878 nodes (99392 simplex iterations) in 5.18 seconds (1.97 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 5 4 3 ... -0

Optimal solution found (tolerance 1.00e-04)
Best objective 5.000000000000e+00, best bound 5.000000000000e+00, gap 0.0000%

Wrote result file './lp_solutions/grafo1025.15.sol'

