
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 18 21:43:22 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo11024.38.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/grafo11024.38.lp
Reading time = 0.07 seconds
: 60026 rows, 1762 columns, 181433 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 60026 rows, 1762 columns and 181433 nonzeros
Model fingerprint: 0x54bfa37d
Variable types: 40 continuous, 1722 integer (1722 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 3.0000000
Presolve removed 13311 rows and 24 columns
Presolve time: 0.33s
Presolved: 46715 rows, 1738 columns, 141851 nonzeros
Variable types: 0 continuous, 1738 integer (1698 binary)
Found heuristic solution: objective 12.0000000
Root relaxation presolved: 28399 rows, 20054 columns, 105219 nonzeros


Root relaxation: objective 3.100000e+01, 2760 iterations, 0.99 seconds (1.32 work units)

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

     0     0   31.00000    0  436   12.00000   31.00000   158%     -    3s
     0     0   31.00000    0  469   12.00000   31.00000   158%     -    6s
     0     0   31.00000    0  478   12.00000   31.00000   158%     -    7s
     0     0   30.00000    0  423   12.00000   30.00000   150%     -   13s
     0     0   30.00000    0  390   12.00000   30.00000   150%     -   14s
H    0     0                      13.0000000   30.00000   131%     -   19s
H    0     0                      14.0000000   30.00000   114%     -   19s
     0     0   30.00000    0  379   14.00000   30.00000   114%     -   20s
     0     0   30.00000    0  394   14.00000   30.00000   114%     -   20s
     0     0   30.00000    0  436   14.00000   30.00000   114%     -   27s
     0     0   30.00000    0  435   14.00000   30.00000   114%     -   28s
     0     0   30.00000    0  389   14.00000   30.00000   114%     -   33s
     0     0   30.00000    0  441   14.00000   30.00000   114%     -   34s
     0     0   30.00000    0  500   14.00000   30.00000   114%     -   41s
     0     0   30.00000    0  467   14.00000   30.00000   114%     -   42s
     0     0   30.00000    0  468   14.00000   30.00000   114%     -   47s
     0     0   30.00000    0  375   14.00000   30.00000   114%     -   49s

Cutting planes:
  Gomory: 1
  Cover: 1
  Clique: 10
  MIR: 4
  Zero half: 1
  RLT: 9
  BQP: 1

Explored 1 nodes (75103 simplex iterations) in 50.01 seconds (56.63 work units)
Thread count was 8 (of 8 available processors)

Solution count 4: 14 13 12 3 

Time limit reached
Best objective 1.400000000000e+01, best bound 3.000000000000e+01, gap 114.2857%

Wrote result file './lp_solutions/grafo11024.38.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 25 02:27:11 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo11024.38.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/grafo11024.38.lp
Reading time = 0.11 seconds
: 60026 rows, 1762 columns, 181433 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 60026 rows, 1762 columns and 181433 nonzeros
Model fingerprint: 0x54bfa37d
Variable types: 40 continuous, 1722 integer (1722 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 3.0000000
Presolve removed 13311 rows and 24 columns
Presolve time: 0.47s
Presolved: 46715 rows, 1738 columns, 141851 nonzeros
Variable types: 0 continuous, 1738 integer (1698 binary)
Found heuristic solution: objective 12.0000000
Root relaxation presolved: 28399 rows, 20054 columns, 105219 nonzeros


Root relaxation: objective 3.100000e+01, 2760 iterations, 1.48 seconds (1.32 work units)

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

     0     0   31.00000    0  436   12.00000   31.00000   158%     -    4s
     0     0   31.00000    0  469   12.00000   31.00000   158%     -    9s
     0     0   31.00000    0  478   12.00000   31.00000   158%     -   10s
     0     0   30.00000    0  423   12.00000   30.00000   150%     -   18s
     0     0   30.00000    0  390   12.00000   30.00000   150%     -   19s
H    0     0                      13.0000000   30.00000   131%     -   27s
H    0     0                      14.0000000   30.00000   114%     -   27s
     0     0   30.00000    0  379   14.00000   30.00000   114%     -   27s
     0     0   30.00000    0  394   14.00000   30.00000   114%     -   28s
     0     0   30.00000    0  436   14.00000   30.00000   114%     -   37s
     0     0   30.00000    0  435   14.00000   30.00000   114%     -   38s
     0     0   30.00000    0  389   14.00000   30.00000   114%     -   45s
     0     0   30.00000    0  441   14.00000   30.00000   114%     -   47s
     0     0          -    0        14.00000   30.00000   114%     -   50s

Cutting planes:
  Gomory: 1
  Lift-and-project: 1
  Cover: 27
  Clique: 21
  MIR: 85
  Inf proof: 1
  Zero half: 28
  RLT: 66
  BQP: 2

Explored 1 nodes (54226 simplex iterations) in 50.05 seconds (40.32 work units)
Thread count was 8 (of 8 available processors)

Solution count 4: 14 13 12 3 

Time limit reached
Best objective 1.400000000000e+01, best bound 3.000000000000e+01, gap 114.2857%

Wrote result file './lp_solutions/grafo11024.38.sol'

