
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 14 08:43:29 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5764.36.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/grafo5764.36.lp
Reading time = 0.09 seconds
: 41585 rows, 1582 columns, 125969 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 41585 rows, 1582 columns and 125969 nonzeros
Model fingerprint: 0x9897615a
Variable types: 39 continuous, 1543 integer (1543 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]
Presolve removed 5432 rows and 25 columns
Presolve time: 0.36s
Presolved: 36153 rows, 1557 columns, 109956 nonzeros
Variable types: 0 continuous, 1557 integer (1518 binary)
Found heuristic solution: objective 6.0000000
Root relaxation presolved: 19874 rows, 17836 columns, 77398 nonzeros


Root relaxation: objective 3.100000e+01, 2867 iterations, 1.48 seconds (0.90 work units)

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

     0     0   31.00000    0  392    6.00000   31.00000   417%     -    4s
H    0     0                       7.0000000   31.00000   343%     -    4s
     0     0   31.00000    0  711    7.00000   31.00000   343%     -   11s
     0     0   31.00000    0  614    7.00000   31.00000   343%     -   13s
H    0     0                       9.0000000   31.00000   244%     -   28s
     0     0   31.00000    0  493    9.00000   31.00000   244%     -   28s
     0     0   31.00000    0  458    9.00000   31.00000   244%     -   28s
H    0     0                      10.0000000   31.00000   210%     -   40s
     0     0   31.00000    0  276   10.00000   31.00000   210%     -   40s
H    0     0                      11.0000000   31.00000   182%     -   40s
H    0     0                      12.0000000   31.00000   158%     -   41s
     0     0   31.00000    0  325   12.00000   31.00000   158%     -   41s
     0     0   31.00000    0  302   12.00000   31.00000   158%     -   47s
     0     0   31.00000    0  290   12.00000   31.00000   158%     -   48s
     0     0   31.00000    0  342   12.00000   31.00000   158%     -   50s

Cutting planes:
  Cover: 21
  Clique: 4
  MIR: 117
  StrongCG: 1
  GUB cover: 3
  Zero half: 24
  RLT: 54
  BQP: 1
  PSD: 1

Explored 1 nodes (56728 simplex iterations) in 50.07 seconds (31.88 work units)
Thread count was 8 (of 8 available processors)

Solution count 6: 12 11 10 ... 6

Time limit reached
Best objective 1.200000000000e+01, best bound 3.100000000000e+01, gap 158.3333%

Wrote result file './lp_solutions/grafo5764.36.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 21 07:43:19 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5764.36.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/grafo5764.36.lp
Reading time = 0.07 seconds
: 41585 rows, 1582 columns, 125969 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 41585 rows, 1582 columns and 125969 nonzeros
Model fingerprint: 0x9897615a
Variable types: 39 continuous, 1543 integer (1543 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]
Presolve removed 5432 rows and 25 columns
Presolve time: 0.29s
Presolved: 36153 rows, 1557 columns, 109956 nonzeros
Variable types: 0 continuous, 1557 integer (1518 binary)
Found heuristic solution: objective 6.0000000
Root relaxation presolved: 19874 rows, 17836 columns, 77398 nonzeros


Root relaxation: objective 3.100000e+01, 2867 iterations, 1.01 seconds (0.90 work units)

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

     0     0   31.00000    0  392    6.00000   31.00000   417%     -    3s
H    0     0                       7.0000000   31.00000   343%     -    3s
     0     0   31.00000    0  711    7.00000   31.00000   343%     -    8s
     0     0   31.00000    0  614    7.00000   31.00000   343%     -    9s
H    0     0                       9.0000000   31.00000   244%     -   20s
     0     0   31.00000    0  493    9.00000   31.00000   244%     -   20s
     0     0   31.00000    0  458    9.00000   31.00000   244%     -   20s
H    0     0                      10.0000000   31.00000   210%     -   28s
     0     0   31.00000    0  276   10.00000   31.00000   210%     -   28s
H    0     0                      11.0000000   31.00000   182%     -   28s
H    0     0                      12.0000000   31.00000   158%     -   28s
     0     0   31.00000    0  325   12.00000   31.00000   158%     -   29s
     0     0   31.00000    0  302   12.00000   31.00000   158%     -   33s
     0     0   31.00000    0  290   12.00000   31.00000   158%     -   33s
     0     0   31.00000    0  313   12.00000   31.00000   158%     -   35s
     0     0   31.00000    0  314   12.00000   31.00000   158%     -   35s
     0     0   30.66667    0  232   12.00000   30.66667   156%     -   38s
H    0     0                      14.0000000   30.66667   119%     -   38s
     0     0   30.66667    0  356   14.00000   30.66667   119%     -   39s
     0     0   30.66667    0  210   14.00000   30.66667   119%     -   44s
     0     0   30.66667    0  235   14.00000   30.66667   119%     -   44s
     0     0   30.66667    0  197   14.00000   30.66667   119%     -   47s
     0     0   30.66667    0  184   14.00000   30.66667   119%     -   47s
     0     0   30.66667    0  376   14.00000   30.66667   119%     -   50s

Cutting planes:
  Gomory: 2
  Cover: 31
  Clique: 5
  MIR: 124
  StrongCG: 1
  GUB cover: 2
  Zero half: 45
  RLT: 44

Explored 1 nodes (87354 simplex iterations) in 50.04 seconds (45.36 work units)
Thread count was 8 (of 8 available processors)

Solution count 7: 14 12 11 ... 6

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

Wrote result file './lp_solutions/grafo5764.36.sol'

