
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 18 16:42:01 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo1208.27.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/grafo1208.27.lp
Reading time = 0.09 seconds
: 53026 rows, 979 columns, 159759 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 53026 rows, 979 columns and 159759 nonzeros
Model fingerprint: 0x027deba6
Variable types: 29 continuous, 950 integer (950 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 23505 rows and 19 columns
Presolve time: 0.34s
Presolved: 29521 rows, 960 columns, 89438 nonzeros
Variable types: 0 continuous, 960 integer (931 binary)
Found heuristic solution: objective 7.0000000
Root relaxation presolved: 22942 rows, 7539 columns, 76280 nonzeros


Root relaxation: objective 2.600000e+01, 1190 iterations, 0.35 seconds (0.37 work units)

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

     0     0   26.00000    0  255    7.00000   26.00000   271%     -    1s
H    0     0                       8.0000000   26.00000   225%     -    1s
     0     0   26.00000    0  439    8.00000   26.00000   225%     -    3s
H    0     0                       9.0000000   26.00000   189%     -    3s
     0     0   26.00000    0  418    9.00000   26.00000   189%     -    3s
     0     0   26.00000    0  288    9.00000   26.00000   189%     -    8s
     0     0   26.00000    0  277    9.00000   26.00000   189%     -    8s
H    0     0                      10.0000000   26.00000   160%     -   19s
     0     0   25.90000    0  208   10.00000   25.90000   159%     -   19s
     0     0   25.90000    0  198   10.00000   25.90000   159%     -   19s
     0     0   25.90000    0  300   10.00000   25.90000   159%     -   26s
     0     0   25.90000    0  288   10.00000   25.90000   159%     -   26s
     0     0   25.90000    0  250   10.00000   25.90000   159%     -   32s
     0     0   25.90000    0  229   10.00000   25.90000   159%     -   32s
     0     0   25.90000    0  177   10.00000   25.90000   159%     -   35s
     0     0   25.90000    0  204   10.00000   25.90000   159%     -   35s
     0     0   25.90000    0  251   10.00000   25.90000   159%     -   37s
     0     0   25.90000    0  251   10.00000   25.90000   159%     -   37s
     0     0   25.90000    0  176   10.00000   25.90000   159%     -   40s
     0     0   25.90000    0  176   10.00000   25.90000   159%     -   40s
     0     2   25.90000    0  165   10.00000   25.90000   159%     -   44s
    11    16   25.90000    4  150   10.00000   25.90000   159%   447   45s
   284   294   20.00000   67   99   10.00000   25.90000   159%   142   50s

Cutting planes:
  Clique: 21
  MIR: 19
  Zero half: 1
  RLT: 22
  BQP: 1

Explored 293 nodes (99327 simplex iterations) in 50.03 seconds (52.71 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 10 9 8 ... 3

Time limit reached
Best objective 1.000000000000e+01, best bound 2.500000000000e+01, gap 150.0000%

Wrote result file './lp_solutions/grafo1208.27.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 18 17:11:00 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo1208.27.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/grafo1208.27.lp
Reading time = 0.11 seconds
: 53026 rows, 979 columns, 159759 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 53026 rows, 979 columns and 159759 nonzeros
Model fingerprint: 0x027deba6
Variable types: 29 continuous, 950 integer (950 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 23505 rows and 19 columns
Presolve time: 0.50s
Presolved: 29521 rows, 960 columns, 89438 nonzeros
Variable types: 0 continuous, 960 integer (931 binary)
Found heuristic solution: objective 7.0000000
Root relaxation presolved: 22942 rows, 7539 columns, 76280 nonzeros


Root relaxation: objective 2.600000e+01, 1190 iterations, 0.50 seconds (0.37 work units)

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

     0     0   26.00000    0  255    7.00000   26.00000   271%     -    2s
H    0     0                       8.0000000   26.00000   225%     -    2s
     0     0   26.00000    0  439    8.00000   26.00000   225%     -    5s
H    0     0                       9.0000000   26.00000   189%     -    5s
     0     0   26.00000    0  418    9.00000   26.00000   189%     -    5s
     0     0   26.00000    0  288    9.00000   26.00000   189%     -   12s
     0     0   26.00000    0  277    9.00000   26.00000   189%     -   13s
H    0     0                      10.0000000   26.00000   160%     -   29s
     0     0   25.90000    0  208   10.00000   25.90000   159%     -   29s
     0     0   25.90000    0  198   10.00000   25.90000   159%     -   29s
     0     0   25.90000    0  300   10.00000   25.90000   159%     -   40s
     0     0   25.90000    0  288   10.00000   25.90000   159%     -   40s
     0     0   25.90000    0  250   10.00000   25.90000   159%     -   48s
     0     0   25.90000    0  229   10.00000   25.90000   159%     -   48s
     0     0          -    0        10.00000   25.90000   159%     -   50s

Cutting planes:
  Cover: 22
  Clique: 26
  MIR: 108
  StrongCG: 3
  GUB cover: 1
  Zero half: 13
  RLT: 42
  BQP: 2
  PSD: 1

Explored 1 nodes (45959 simplex iterations) in 50.03 seconds (30.84 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 10 9 8 ... 3

Time limit reached
Best objective 1.000000000000e+01, best bound 2.500000000000e+01, gap 150.0000%

Wrote result file './lp_solutions/grafo1208.27.sol'

