
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 01:41:10 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo1457.24.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/grafo1457.24.lp
Reading time = 0.01 seconds
: 5121 rows, 417 columns, 15427 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 5121 rows, 417 columns and 15427 nonzeros
Model fingerprint: 0xbaf95d7f
Variable types: 14 continuous, 403 integer (403 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 1.0000000
Presolve removed 253 rows and 18 columns
Presolve time: 0.05s
Presolved: 4868 rows, 399 columns, 14788 nonzeros
Variable types: 0 continuous, 399 integer (385 binary)
Found heuristic solution: objective 4.0000000

Root relaxation: objective 6.000000e+00, 111 iterations, 0.02 seconds (0.01 work units)

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

     0     0    6.00000    0   34    4.00000    6.00000  50.0%     -    0s
H    0     0                       5.0000000    6.00000  20.0%     -    0s
     0     0    6.00000    0   65    5.00000    6.00000  20.0%     -    0s
     0     0    6.00000    0   31    5.00000    6.00000  20.0%     -    0s
     0     0    6.00000    0   42    5.00000    6.00000  20.0%     -    0s
     0     0    6.00000    0   47    5.00000    6.00000  20.0%     -    1s
     0     0    6.00000    0   46    5.00000    6.00000  20.0%     -    1s
     0     0    6.00000    0   35    5.00000    6.00000  20.0%     -    1s
     0     0    6.00000    0   21    5.00000    6.00000  20.0%     -    1s
     0     2    6.00000    0   21    5.00000    6.00000  20.0%     -    2s
     7     6    6.00000    1   23    5.00000    6.00000  20.0%   4.4    5s
    63    36 infeasible   21         5.00000    6.00000  20.0%   110   10s
   438   104    6.00000   29   91    5.00000    6.00000  20.0%  67.9   16s
   580   126    6.00000   28   54    5.00000    6.00000  20.0%  77.6   20s
  1263    22    6.00000   27   42    5.00000    6.00000  20.0%  72.2   27s

Cutting planes:
  Gomory: 1
  Implied bound: 1
  MIR: 1
  Flow cover: 3
  GUB cover: 1
  RLT: 1

Explored 1374 nodes (100721 simplex iterations) in 27.66 seconds (7.40 work units)
Thread count was 8 (of 8 available processors)

Solution count 3: 5 4 1 

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/grafo1457.24.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 01:57:37 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo1457.24.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/grafo1457.24.lp
Reading time = 0.02 seconds
: 5121 rows, 417 columns, 15427 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 5121 rows, 417 columns and 15427 nonzeros
Model fingerprint: 0xbaf95d7f
Variable types: 14 continuous, 403 integer (403 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 1.0000000
Presolve removed 253 rows and 18 columns
Presolve time: 0.06s
Presolved: 4868 rows, 399 columns, 14788 nonzeros
Variable types: 0 continuous, 399 integer (385 binary)
Found heuristic solution: objective 4.0000000

Root relaxation: objective 6.000000e+00, 111 iterations, 0.01 seconds (0.01 work units)

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

     0     0    6.00000    0   34    4.00000    6.00000  50.0%     -    0s
H    0     0                       5.0000000    6.00000  20.0%     -    0s
     0     0    6.00000    0   65    5.00000    6.00000  20.0%     -    0s
     0     0    6.00000    0   31    5.00000    6.00000  20.0%     -    0s
     0     0    6.00000    0   42    5.00000    6.00000  20.0%     -    0s
     0     0    6.00000    0   47    5.00000    6.00000  20.0%     -    1s
     0     0    6.00000    0   46    5.00000    6.00000  20.0%     -    1s
     0     0    6.00000    0   35    5.00000    6.00000  20.0%     -    1s
     0     0    6.00000    0   21    5.00000    6.00000  20.0%     -    1s
     0     2    6.00000    0   21    5.00000    6.00000  20.0%     -    2s
     7     6    6.00000    1   23    5.00000    6.00000  20.0%   4.4    5s
    23    17    6.00000    1   45    5.00000    6.00000  20.0%   1.3   10s
   343   107    6.00000   27   55    5.00000    6.00000  20.0%  62.7   16s
   489   129 infeasible   36         5.00000    6.00000  20.0%  73.2   20s
   827   129 infeasible   32         5.00000    6.00000  20.0%  75.8   25s
  1297    11 infeasible   28         5.00000    6.00000  20.0%  72.2   30s

Cutting planes:
  Gomory: 1
  Implied bound: 1
  MIR: 1
  Flow cover: 3
  GUB cover: 1
  RLT: 1

Explored 1374 nodes (100721 simplex iterations) in 30.14 seconds (7.40 work units)
Thread count was 8 (of 8 available processors)

Solution count 3: 5 4 1 

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/grafo1457.24.sol'

