
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 14 07:46:29 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5448.35.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/grafo5448.35.lp
Reading time = 0.09 seconds
: 43311 rows, 1628 columns, 131265 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 43311 rows, 1628 columns and 131265 nonzeros
Model fingerprint: 0x43fd3085
Variable types: 41 continuous, 1587 integer (1587 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 2.0000000
Presolve removed 5407 rows and 39 columns
Presolve time: 0.37s
Presolved: 37904 rows, 1589 columns, 115402 nonzeros
Variable types: 0 continuous, 1589 integer (1548 binary)
Found heuristic solution: objective 6.0000000
Root relaxation presolved: 20699 rows, 18794 columns, 80992 nonzeros


Root relaxation: objective 3.000000e+01, 1810 iterations, 0.91 seconds (0.53 work units)

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

     0     0   30.00000    0  439    6.00000   30.00000   400%     -    3s
H    0     0                       7.0000000   30.00000   329%     -    3s
H    0     0                       8.0000000   30.00000   275%     -    3s
H    0     0                       9.0000000   30.00000   233%     -    4s
H    0     0                      10.0000000   30.00000   200%     -    4s
     0     0   30.00000    0  557   10.00000   30.00000   200%     -    9s
     0     0   30.00000    0  512   10.00000   30.00000   200%     -   10s
H    0     0                      11.0000000   30.00000   173%     -   23s
     0     0   30.00000    0  383   11.00000   30.00000   173%     -   23s
     0     0   30.00000    0  360   11.00000   30.00000   173%     -   23s
H    0     0                      12.0000000   30.00000   150%     -   31s
     0     0   30.00000    0  367   12.00000   30.00000   150%     -   31s
     0     0   30.00000    0  332   12.00000   30.00000   150%     -   32s
     0     0   30.00000    0  437   12.00000   30.00000   150%     -   43s
     0     0   29.66667    0  418   12.00000   29.66667   147%     -   44s
     0     0   29.66667    0  588   12.00000   29.66667   147%     -   50s

Cutting planes:
  Lift-and-project: 1
  Cover: 15
  Clique: 3
  MIR: 105
  StrongCG: 2
  GUB cover: 2
  Zero half: 8
  RLT: 46

Explored 1 nodes (45304 simplex iterations) in 50.06 seconds (27.66 work units)
Thread count was 8 (of 8 available processors)

Solution count 8: 12 11 10 ... 2

Time limit reached
Best objective 1.200000000000e+01, best bound 2.900000000000e+01, gap 141.6667%

Wrote result file './lp_solutions/grafo5448.35.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 21 06:23:44 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5448.35.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/grafo5448.35.lp
Reading time = 0.07 seconds
: 43311 rows, 1628 columns, 131265 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 43311 rows, 1628 columns and 131265 nonzeros
Model fingerprint: 0x43fd3085
Variable types: 41 continuous, 1587 integer (1587 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 2.0000000
Presolve removed 5407 rows and 39 columns
Presolve time: 0.30s
Presolved: 37904 rows, 1589 columns, 115402 nonzeros
Variable types: 0 continuous, 1589 integer (1548 binary)
Found heuristic solution: objective 6.0000000
Root relaxation presolved: 20699 rows, 18794 columns, 80992 nonzeros


Root relaxation: objective 3.000000e+01, 1810 iterations, 0.59 seconds (0.53 work units)

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

     0     0   30.00000    0  439    6.00000   30.00000   400%     -    2s
H    0     0                       7.0000000   30.00000   329%     -    2s
H    0     0                       8.0000000   30.00000   275%     -    2s
H    0     0                       9.0000000   30.00000   233%     -    3s
H    0     0                      10.0000000   30.00000   200%     -    3s
     0     0   30.00000    0  557   10.00000   30.00000   200%     -    6s
     0     0   30.00000    0  512   10.00000   30.00000   200%     -    6s
H    0     0                      11.0000000   30.00000   173%     -   15s
     0     0   30.00000    0  383   11.00000   30.00000   173%     -   15s
     0     0   30.00000    0  360   11.00000   30.00000   173%     -   15s
H    0     0                      12.0000000   30.00000   150%     -   21s
     0     0   30.00000    0  367   12.00000   30.00000   150%     -   21s
     0     0   30.00000    0  332   12.00000   30.00000   150%     -   21s
     0     0   30.00000    0  437   12.00000   30.00000   150%     -   28s
     0     0   29.66667    0  418   12.00000   29.66667   147%     -   29s
     0     0   29.66667    0  205   12.00000   29.66667   147%     -   34s
     0     0   29.66667    0  214   12.00000   29.66667   147%     -   34s
     0     0   29.66667    0  225   12.00000   29.66667   147%     -   37s
     0     0   29.66667    0  260   12.00000   29.66667   147%     -   37s
     0     0   29.66667    0  329   12.00000   29.66667   147%     -   41s
     0     0   29.66667    0  348   12.00000   29.66667   147%     -   41s
     0     0   29.66667    0  333   12.00000   29.66667   147%     -   46s
     0     0   29.66667    0  313   12.00000   29.66667   147%     -   47s

Cutting planes:
  Clique: 1
  MIR: 2
  RLT: 6

Explored 1 nodes (72026 simplex iterations) in 50.02 seconds (43.14 work units)
Thread count was 8 (of 8 available processors)

Solution count 8: 12 11 10 ... 2

Time limit reached
Best objective 1.200000000000e+01, best bound 2.900000000000e+01, gap 141.6667%

Wrote result file './lp_solutions/grafo5448.35.sol'

