
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 14 07:01:13 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5124.36.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/grafo5124.36.lp
Reading time = 0.09 seconds
: 45358 rows, 1616 columns, 137343 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 45358 rows, 1616 columns and 137343 nonzeros
Model fingerprint: 0xcc3f6180
Variable types: 40 continuous, 1576 integer (1576 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 6702 rows and 37 columns
Presolve time: 0.48s
Presolved: 38656 rows, 1579 columns, 117565 nonzeros
Variable types: 0 continuous, 1579 integer (1539 binary)
Found heuristic solution: objective 6.0000000
Root relaxation presolved: 21636 rows, 18599 columns, 83525 nonzeros


Root relaxation: objective 2.900000e+01, 1555 iterations, 0.68 seconds (0.41 work units)

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

     0     0   29.00000    0  243    6.00000   29.00000   383%     -    3s
H    0     0                       7.0000000   29.00000   314%     -    3s
H    0     0                       8.0000000   29.00000   262%     -    3s
     0     0   29.00000    0  502    8.00000   29.00000   262%     -    7s
     0     0   29.00000    0  479    8.00000   29.00000   262%     -    7s
H    0     0                      10.0000000   29.00000   190%     -   20s
     0     0   29.00000    0  541   10.00000   29.00000   190%     -   20s
     0     0   29.00000    0  497   10.00000   29.00000   190%     -   21s
H    0     0                      11.0000000   29.00000   164%     -   34s
     0     0   29.00000    0  445   11.00000   29.00000   164%     -   34s
     0     0   29.00000    0  429   11.00000   29.00000   164%     -   35s
H    0     0                      12.0000000   29.00000   142%     -   41s
     0     0   29.00000    0  301   12.00000   29.00000   142%     -   41s
     0     0   29.00000    0  288   12.00000   29.00000   142%     -   42s
     0     0   29.00000    0  277   12.00000   29.00000   142%     -   50s

Cutting planes:
  Cover: 28
  Clique: 4
  MIR: 121
  StrongCG: 2
  GUB cover: 10
  Zero half: 31
  RLT: 33

Explored 1 nodes (51676 simplex iterations) in 50.07 seconds (32.07 work units)
Thread count was 8 (of 8 available processors)

Solution count 7: 12 11 10 ... 3

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

Wrote result file './lp_solutions/grafo5124.36.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 21 07:24:03 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5124.36.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/grafo5124.36.lp
Reading time = 0.08 seconds
: 45358 rows, 1616 columns, 137343 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 45358 rows, 1616 columns and 137343 nonzeros
Model fingerprint: 0xcc3f6180
Variable types: 40 continuous, 1576 integer (1576 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 6702 rows and 37 columns
Presolve time: 0.31s
Presolved: 38656 rows, 1579 columns, 117565 nonzeros
Variable types: 0 continuous, 1579 integer (1539 binary)
Found heuristic solution: objective 6.0000000
Root relaxation presolved: 21636 rows, 18599 columns, 83525 nonzeros


Root relaxation: objective 2.900000e+01, 1555 iterations, 0.43 seconds (0.41 work units)

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

     0     0   29.00000    0  243    6.00000   29.00000   383%     -    2s
H    0     0                       7.0000000   29.00000   314%     -    2s
H    0     0                       8.0000000   29.00000   262%     -    2s
     0     0   29.00000    0  502    8.00000   29.00000   262%     -    4s
     0     0   29.00000    0  479    8.00000   29.00000   262%     -    4s
H    0     0                      10.0000000   29.00000   190%     -   14s
     0     0   29.00000    0  541   10.00000   29.00000   190%     -   14s
     0     0   29.00000    0  497   10.00000   29.00000   190%     -   14s
H    0     0                      11.0000000   29.00000   164%     -   23s
     0     0   29.00000    0  445   11.00000   29.00000   164%     -   23s
     0     0   29.00000    0  429   11.00000   29.00000   164%     -   24s
H    0     0                      12.0000000   29.00000   142%     -   28s
     0     0   29.00000    0  301   12.00000   29.00000   142%     -   28s
     0     0   29.00000    0  288   12.00000   29.00000   142%     -   28s
     0     0   29.00000    0  230   12.00000   29.00000   142%     -   40s
     0     0   29.00000    0  237   12.00000   29.00000   142%     -   40s
     0     0   29.00000    0  374   12.00000   29.00000   142%     -   45s
     0     0   29.00000    0  371   12.00000   29.00000   142%     -   46s

Cutting planes:
  Clique: 4
  MIR: 33
  Zero half: 2
  RLT: 14

Explored 1 nodes (71323 simplex iterations) in 50.03 seconds (47.34 work units)
Thread count was 8 (of 8 available processors)

Solution count 7: 12 11 10 ... 3

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

Wrote result file './lp_solutions/grafo5124.36.sol'

