
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 01:43:19 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo2259.14.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/grafo2259.14.lp
Reading time = 0.01 seconds
: 1444 rows, 199 columns, 4365 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 1444 rows, 199 columns and 4365 nonzeros
Model fingerprint: 0x1f8a35d4
Variable types: 12 continuous, 187 integer (187 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 199 rows and 15 columns
Presolve time: 0.02s
Presolved: 1245 rows, 184 columns, 3867 nonzeros
Variable types: 0 continuous, 184 integer (172 binary)

Root relaxation: objective 5.000000e+00, 30 iterations, 0.00 seconds (0.00 work units)

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

     0     0    5.00000    0   13    1.00000    5.00000   400%     -    0s
H    0     0                       2.0000000    5.00000   150%     -    0s
     0     0    5.00000    0   30    2.00000    5.00000   150%     -    0s
H    0     0                       3.0000000    5.00000  66.7%     -    0s
H    0     0                       4.0000000    5.00000  25.0%     -    0s
     0     0    5.00000    0    7    4.00000    5.00000  25.0%     -    0s
     0     0    5.00000    0   25    4.00000    5.00000  25.0%     -    0s
     0     0    5.00000    0    6    4.00000    5.00000  25.0%     -    0s
     0     0    5.00000    0    3    4.00000    5.00000  25.0%     -    0s
     0     0    5.00000    0   15    4.00000    5.00000  25.0%     -    0s
     0     0    5.00000    0   17    4.00000    5.00000  25.0%     -    0s
     0     0    5.00000    0    3    4.00000    5.00000  25.0%     -    0s
     0     0    5.00000    0   11    4.00000    5.00000  25.0%     -    0s
     0     0    5.00000    0    3    4.00000    5.00000  25.0%     -    1s
     0     0    5.00000    0   18    4.00000    5.00000  25.0%     -    1s
     0     0    5.00000    0   17    4.00000    5.00000  25.0%     -    1s
     0     0    5.00000    0   16    4.00000    5.00000  25.0%     -    1s
     0     0    5.00000    0   24    4.00000    5.00000  25.0%     -    1s
     0     0    5.00000    0   23    4.00000    5.00000  25.0%     -    1s
     0     0    5.00000    0   23    4.00000    5.00000  25.0%     -    1s
     0     2    5.00000    0   23    4.00000    5.00000  25.0%     -    1s
    89    48    5.00000   18   27    4.00000    5.00000  25.0%  54.6    5s

Cutting planes:
  Flow cover: 4
  Inf proof: 1

Explored 723 nodes (49071 simplex iterations) in 9.46 seconds (1.62 work units)
Thread count was 8 (of 8 available processors)

Solution count 4: 4 3 2 1 

Optimal solution found (tolerance 1.00e-04)
Best objective 4.000000000000e+00, best bound 4.000000000000e+00, gap 0.0000%

Wrote result file './lp_solutions/grafo2259.14.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 01:59:51 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo2259.14.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/grafo2259.14.lp
Reading time = 0.01 seconds
: 1444 rows, 199 columns, 4365 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 1444 rows, 199 columns and 4365 nonzeros
Model fingerprint: 0x1f8a35d4
Variable types: 12 continuous, 187 integer (187 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 199 rows and 15 columns
Presolve time: 0.02s
Presolved: 1245 rows, 184 columns, 3867 nonzeros
Variable types: 0 continuous, 184 integer (172 binary)

Root relaxation: objective 5.000000e+00, 30 iterations, 0.00 seconds (0.00 work units)

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

     0     0    5.00000    0   13    1.00000    5.00000   400%     -    0s
H    0     0                       2.0000000    5.00000   150%     -    0s
     0     0    5.00000    0   30    2.00000    5.00000   150%     -    0s
H    0     0                       3.0000000    5.00000  66.7%     -    0s
H    0     0                       4.0000000    5.00000  25.0%     -    0s
     0     0    5.00000    0    7    4.00000    5.00000  25.0%     -    0s
     0     0    5.00000    0   25    4.00000    5.00000  25.0%     -    0s
     0     0    5.00000    0    6    4.00000    5.00000  25.0%     -    0s
     0     0    5.00000    0    3    4.00000    5.00000  25.0%     -    0s
     0     0    5.00000    0   15    4.00000    5.00000  25.0%     -    0s
     0     0    5.00000    0   17    4.00000    5.00000  25.0%     -    0s
     0     0    5.00000    0    3    4.00000    5.00000  25.0%     -    0s
     0     0    5.00000    0   11    4.00000    5.00000  25.0%     -    0s
     0     0    5.00000    0    3    4.00000    5.00000  25.0%     -    0s
     0     0    5.00000    0   18    4.00000    5.00000  25.0%     -    0s
     0     0    5.00000    0   17    4.00000    5.00000  25.0%     -    0s
     0     0    5.00000    0   16    4.00000    5.00000  25.0%     -    0s
     0     0    5.00000    0   24    4.00000    5.00000  25.0%     -    0s
     0     0    5.00000    0   23    4.00000    5.00000  25.0%     -    0s
     0     0    5.00000    0   23    4.00000    5.00000  25.0%     -    0s
     0     2    5.00000    0   23    4.00000    5.00000  25.0%     -    0s
   117    50    5.00000   21   23    4.00000    5.00000  25.0%  50.9    5s

Cutting planes:
  Flow cover: 4
  Inf proof: 1

Explored 723 nodes (49071 simplex iterations) in 8.47 seconds (1.62 work units)
Thread count was 8 (of 8 available processors)

Solution count 4: 4 3 2 1 

Optimal solution found (tolerance 1.00e-04)
Best objective 4.000000000000e+00, best bound 4.000000000000e+00, gap 0.0000%

Wrote result file './lp_solutions/grafo2259.14.sol'

