
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Fri Nov  1 22:00:29 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo1029.16.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/grafo1029.16.lp
Reading time = 0.01 seconds
: 2167 rows, 240 columns, 6537 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 2167 rows, 240 columns and 6537 nonzeros
Model fingerprint: 0x946e0615
Variable types: 12 continuous, 228 integer (228 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 411 rows and 13 columns
Presolve time: 0.05s
Presolved: 1756 rows, 227 columns, 5400 nonzeros
Variable types: 0 continuous, 227 integer (215 binary)
Found heuristic solution: objective 3.0000000

Root relaxation: objective 8.000000e+00, 90 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   40    3.00000    8.00000   167%     -    0s
H    0     0                       4.0000000    8.00000   100%     -    0s
     0     0    8.00000    0   61    4.00000    8.00000   100%     -    0s
     0     0    8.00000    0   61    4.00000    8.00000   100%     -    0s
     0     0    8.00000    0   55    4.00000    8.00000   100%     -    0s
     0     0    8.00000    0   52    4.00000    8.00000   100%     -    0s
     0     0    8.00000    0   59    4.00000    8.00000   100%     -    0s
H    0     0                       5.0000000    8.00000  60.0%     -    0s
     0     0    8.00000    0   59    5.00000    8.00000  60.0%     -    0s
     0     0    7.50000    0   27    5.00000    7.50000  50.0%     -    0s
     0     0    7.50000    0   38    5.00000    7.50000  50.0%     -    0s
     0     0    7.25000    0   45    5.00000    7.25000  45.0%     -    0s
     0     0    7.00000    0   44    5.00000    7.00000  40.0%     -    0s
     0     0    7.00000    0   44    5.00000    7.00000  40.0%     -    0s
     0     0    7.00000    0   44    5.00000    7.00000  40.0%     -    0s
     0     2    7.00000    0   44    5.00000    7.00000  40.0%     -    1s
  1202   223 infeasible   18         5.00000    6.00000  20.0%  64.2    5s
  2617   210    6.00000   12   27    5.00000    6.00000  20.0%  80.0   10s
  3879   118    6.00000   12   33    5.00000    6.00000  20.0%  86.2   15s
  5319    41     cutoff   15         5.00000    6.00000  20.0%  90.0   20s

Cutting planes:
  Gomory: 2
  Cover: 146
  MIR: 55
  StrongCG: 4
  GUB cover: 1
  Inf proof: 48
  Zero half: 5
  RLT: 20

Explored 5848 nodes (536629 simplex iterations) in 21.74 seconds (8.91 work units)
Thread count was 8 (of 8 available processors)

Solution count 4: 5 4 3 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/grafo1029.16.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 01:00:58 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo1029.16.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/grafo1029.16.lp
Reading time = 0.01 seconds
: 2167 rows, 240 columns, 6537 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 2167 rows, 240 columns and 6537 nonzeros
Model fingerprint: 0x946e0615
Variable types: 12 continuous, 228 integer (228 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 411 rows and 13 columns
Presolve time: 0.03s
Presolved: 1756 rows, 227 columns, 5400 nonzeros
Variable types: 0 continuous, 227 integer (215 binary)
Found heuristic solution: objective 3.0000000

Root relaxation: objective 8.000000e+00, 90 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   40    3.00000    8.00000   167%     -    0s
H    0     0                       4.0000000    8.00000   100%     -    0s
     0     0    8.00000    0   61    4.00000    8.00000   100%     -    0s
     0     0    8.00000    0   61    4.00000    8.00000   100%     -    0s
     0     0    8.00000    0   55    4.00000    8.00000   100%     -    0s
     0     0    8.00000    0   52    4.00000    8.00000   100%     -    0s
     0     0    8.00000    0   59    4.00000    8.00000   100%     -    0s
H    0     0                       5.0000000    8.00000  60.0%     -    0s
     0     0    8.00000    0   59    5.00000    8.00000  60.0%     -    0s
     0     0    7.50000    0   27    5.00000    7.50000  50.0%     -    0s
     0     0    7.50000    0   38    5.00000    7.50000  50.0%     -    0s
     0     0    7.25000    0   45    5.00000    7.25000  45.0%     -    0s
     0     0    7.00000    0   44    5.00000    7.00000  40.0%     -    0s
     0     0    7.00000    0   44    5.00000    7.00000  40.0%     -    0s
     0     0    7.00000    0   44    5.00000    7.00000  40.0%     -    0s
     0     2    7.00000    0   44    5.00000    7.00000  40.0%     -    1s
  1325   227    6.00000   18   56    5.00000    6.00000  20.0%  66.1    5s
  2617   210    6.00000   12   27    5.00000    6.00000  20.0%  80.0   10s
  4149   127    6.00000   11   31    5.00000    6.00000  20.0%  87.5   15s
  5319    41     cutoff   15         5.00000    6.00000  20.0%  90.0   20s

Cutting planes:
  Gomory: 2
  Cover: 146
  MIR: 55
  StrongCG: 4
  GUB cover: 1
  Inf proof: 48
  Zero half: 5
  RLT: 20

Explored 5848 nodes (536629 simplex iterations) in 21.41 seconds (8.91 work units)
Thread count was 8 (of 8 available processors)

Solution count 4: 5 4 3 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/grafo1029.16.sol'

