
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 14 07:37:16 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5380.36.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/grafo5380.36.lp
Reading time = 0.10 seconds
: 43703 rows, 1624 columns, 132314 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 43703 rows, 1624 columns and 132314 nonzeros
Model fingerprint: 0x754e30cf
Variable types: 39 continuous, 1585 integer (1585 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 6950 rows and 25 columns
Presolve time: 0.36s
Presolved: 36753 rows, 1599 columns, 111777 nonzeros
Variable types: 0 continuous, 1599 integer (1560 binary)
Found heuristic solution: objective 11.0000000
Root relaxation presolved: 20474 rows, 17878 columns, 79219 nonzeros


Root relaxation: objective 4.100000e+01, 3906 iterations, 2.61 seconds (1.62 work units)
Total elapsed time = 6.47s (DegenMoves)

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

     0     0   41.00000    0  482   11.00000   41.00000   273%     -    9s
H    0     0                      13.0000000   41.00000   215%     -   11s
     0     0   41.00000    0  787   13.00000   41.00000   215%     -   20s
     0     0   41.00000    0  719   13.00000   41.00000   215%     -   21s
     0     0   41.00000    0  520   13.00000   41.00000   215%     -   40s
     0     0   41.00000    0  533   13.00000   41.00000   215%     -   42s
     0     0   41.00000    0  646   13.00000   41.00000   215%     -   50s

Cutting planes:
  Gomory: 1
  Cover: 18
  MIR: 103
  StrongCG: 1
  GUB cover: 8
  Zero half: 86
  RLT: 60

Explored 1 nodes (47937 simplex iterations) in 50.08 seconds (32.89 work units)
Thread count was 8 (of 8 available processors)

Solution count 3: 13 11 1 

Time limit reached
Best objective 1.300000000000e+01, best bound 4.100000000000e+01, gap 215.3846%

Wrote result file './lp_solutions/grafo5380.36.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 21 07:31:36 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5380.36.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/grafo5380.36.lp
Reading time = 0.07 seconds
: 43703 rows, 1624 columns, 132314 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 43703 rows, 1624 columns and 132314 nonzeros
Model fingerprint: 0x754e30cf
Variable types: 39 continuous, 1585 integer (1585 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 6950 rows and 25 columns
Presolve time: 0.28s
Presolved: 36753 rows, 1599 columns, 111777 nonzeros
Variable types: 0 continuous, 1599 integer (1560 binary)
Found heuristic solution: objective 11.0000000
Root relaxation presolved: 20474 rows, 17878 columns, 79219 nonzeros


Root relaxation: objective 4.100000e+01, 3906 iterations, 1.76 seconds (1.62 work units)
Total elapsed time = 5.30s (DegenMoves)

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

     0     0   41.00000    0  482   11.00000   41.00000   273%     -    6s
H    0     0                      13.0000000   41.00000   215%     -    8s
     0     0   41.00000    0  787   13.00000   41.00000   215%     -   14s
     0     0   41.00000    0  719   13.00000   41.00000   215%     -   15s
     0     0   41.00000    0  520   13.00000   41.00000   215%     -   29s
     0     0   41.00000    0  533   13.00000   41.00000   215%     -   30s
H    0     0                      14.0000000   41.00000   193%     -   40s
     0     0   41.00000    0  437   14.00000   41.00000   193%     -   40s
     0     0   41.00000    0  458   14.00000   41.00000   193%     -   41s
     0     0   41.00000    0  430   14.00000   41.00000   193%     -   48s
     0     0   41.00000    0  487   14.00000   41.00000   193%     -   49s
     0     0          -    0        14.00000   41.00000   193%     -   50s

Cutting planes:
  Gomory: 2
  Cover: 25
  MIR: 187
  StrongCG: 1
  GUB cover: 4
  Zero half: 76
  RLT: 78

Explored 1 nodes (70521 simplex iterations) in 50.03 seconds (46.54 work units)
Thread count was 8 (of 8 available processors)

Solution count 4: 14 13 11 1 

Time limit reached
Best objective 1.400000000000e+01, best bound 4.100000000000e+01, gap 192.8571%

Wrote result file './lp_solutions/grafo5380.36.sol'

