
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 01:49:57 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo399.15.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/grafo399.15.lp
Reading time = 0.01 seconds
: 1862 rows, 232 columns, 5626 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 1862 rows, 232 columns and 5626 nonzeros
Model fingerprint: 0x54e4d171
Variable types: 13 continuous, 219 integer (219 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 289 rows and 18 columns
Presolve time: 0.03s
Presolved: 1573 rows, 214 columns, 4879 nonzeros
Variable types: 0 continuous, 214 integer (201 binary)
Found heuristic solution: objective 3.0000000

Root relaxation: objective 6.000000e+00, 48 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    6.00000    0   13    3.00000    6.00000   100%     -    0s
H    0     0                       4.0000000    6.00000  50.0%     -    0s
     0     0    6.00000    0   26    4.00000    6.00000  50.0%     -    0s
     0     0    6.00000    0    9    4.00000    6.00000  50.0%     -    0s
     0     0    6.00000    0   23    4.00000    6.00000  50.0%     -    0s
     0     0    6.00000    0   21    4.00000    6.00000  50.0%     -    0s
H    0     0                       5.0000000    6.00000  20.0%     -    0s
     0     0    6.00000    0   22    5.00000    6.00000  20.0%     -    0s
     0     0    6.00000    0   36    5.00000    6.00000  20.0%     -    0s
     0     0    6.00000    0   32    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   31    5.00000    6.00000  20.0%     -    0s
     0     2    6.00000    0   31    5.00000    6.00000  20.0%     -    0s
   422   185 infeasible   31         5.00000    6.00000  20.0%  61.5    5s
   989   281    6.00000   26   47    5.00000    6.00000  20.0%  62.5   10s
  2483   200    6.00000   28   78    5.00000    6.00000  20.0%  68.9   15s

Cutting planes:
  Gomory: 2
  Cover: 1
  Clique: 4
  MIR: 1
  Flow cover: 3
  GUB cover: 2
  RLT: 1

Explored 3254 nodes (237113 simplex iterations) in 18.11 seconds (4.44 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/grafo399.15.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 02:05:29 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo399.15.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/grafo399.15.lp
Reading time = 0.01 seconds
: 1862 rows, 232 columns, 5626 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 1862 rows, 232 columns and 5626 nonzeros
Model fingerprint: 0x54e4d171
Variable types: 13 continuous, 219 integer (219 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 289 rows and 18 columns
Presolve time: 0.02s
Presolved: 1573 rows, 214 columns, 4879 nonzeros
Variable types: 0 continuous, 214 integer (201 binary)
Found heuristic solution: objective 3.0000000

Root relaxation: objective 6.000000e+00, 48 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    6.00000    0   13    3.00000    6.00000   100%     -    0s
H    0     0                       4.0000000    6.00000  50.0%     -    0s
     0     0    6.00000    0   26    4.00000    6.00000  50.0%     -    0s
     0     0    6.00000    0    9    4.00000    6.00000  50.0%     -    0s
     0     0    6.00000    0   23    4.00000    6.00000  50.0%     -    0s
     0     0    6.00000    0   21    4.00000    6.00000  50.0%     -    0s
H    0     0                       5.0000000    6.00000  20.0%     -    0s
     0     0    6.00000    0   22    5.00000    6.00000  20.0%     -    0s
     0     0    6.00000    0   36    5.00000    6.00000  20.0%     -    0s
     0     0    6.00000    0   32    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   31    5.00000    6.00000  20.0%     -    0s
     0     2    6.00000    0   31    5.00000    6.00000  20.0%     -    0s
   664   268    6.00000   28   31    5.00000    6.00000  20.0%  63.7    5s
  2483   200    6.00000   28   78    5.00000    6.00000  20.0%  68.9   11s

Cutting planes:
  Gomory: 2
  Cover: 1
  Clique: 4
  MIR: 1
  Flow cover: 3
  GUB cover: 2
  RLT: 1

Explored 3254 nodes (237113 simplex iterations) in 12.60 seconds (4.44 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/grafo399.15.sol'

