
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 14 05:40:39 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo3099.39.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/grafo3099.39.lp
Reading time = 0.12 seconds
: 58211 rows, 1907 columns, 176148 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 58211 rows, 1907 columns and 176148 nonzeros
Model fingerprint: 0x2d90c3ab
Variable types: 43 continuous, 1864 integer (1864 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 9243 rows and 24 columns
Presolve time: 0.67s
Presolved: 48968 rows, 1883 columns, 148726 nonzeros
Variable types: 0 continuous, 1883 integer (1840 binary)
Found heuristic solution: objective 9.0000000
Root relaxation presolved: 27488 rows, 23363 columns, 105766 nonzeros


Root relaxation: objective 4.200000e+01, 2118 iterations, 0.96 seconds (0.54 work units)

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

     0     0   42.00000    0  318    9.00000   42.00000   367%     -    3s
H    0     0                      12.0000000   42.00000   250%     -    3s
H    0     0                      13.0000000   42.00000   223%     -    3s
H    0     0                      14.0000000   42.00000   200%     -    5s
     0     0   42.00000    0  603   14.00000   42.00000   200%     -    9s
H    0     0                      15.0000000   42.00000   180%     -   10s
     0     0   42.00000    0  584   15.00000   42.00000   180%     -   11s
H    0     0                      16.0000000   42.00000   162%     -   15s
H    0     0                      17.0000000   42.00000   147%     -   22s
H    0     0                      18.0000000   42.00000   133%     -   22s
     0     0   41.66667    0  364   18.00000   41.66667   131%     -   22s
     0     0   41.66667    0  350   18.00000   41.66667   131%     -   23s
H    0     0                      19.0000000   41.66667   119%     -   32s
     0     0   41.66667    0  365   19.00000   41.66667   119%     -   32s
     0     0   41.66667    0  297   19.00000   41.66667   119%     -   32s
     0     0   41.66667    0  558   19.00000   41.66667   119%     -   50s

Cutting planes:
  Cover: 41
  Clique: 3
  MIR: 201
  GUB cover: 7
  Zero half: 41
  RLT: 60

Explored 1 nodes (43469 simplex iterations) in 50.09 seconds (29.95 work units)
Thread count was 8 (of 8 available processors)

Solution count 9: 19 18 17 ... 9

Time limit reached
Best objective 1.900000000000e+01, best bound 4.100000000000e+01, gap 115.7895%

Wrote result file './lp_solutions/grafo3099.39.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Fri Nov 22 03:09:28 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo3099.39.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/grafo3099.39.lp
Reading time = 0.09 seconds
: 58211 rows, 1907 columns, 176148 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 58211 rows, 1907 columns and 176148 nonzeros
Model fingerprint: 0x2d90c3ab
Variable types: 43 continuous, 1864 integer (1864 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 9243 rows and 24 columns
Presolve time: 0.39s
Presolved: 48968 rows, 1883 columns, 148726 nonzeros
Variable types: 0 continuous, 1883 integer (1840 binary)
Found heuristic solution: objective 9.0000000
Root relaxation presolved: 27488 rows, 23363 columns, 105766 nonzeros


Root relaxation: objective 4.200000e+01, 2118 iterations, 0.59 seconds (0.54 work units)

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

     0     0   42.00000    0  318    9.00000   42.00000   367%     -    2s
H    0     0                      12.0000000   42.00000   250%     -    2s
H    0     0                      13.0000000   42.00000   223%     -    2s
H    0     0                      14.0000000   42.00000   200%     -    3s
     0     0   42.00000    0  603   14.00000   42.00000   200%     -    5s
H    0     0                      15.0000000   42.00000   180%     -    6s
     0     0   42.00000    0  584   15.00000   42.00000   180%     -    6s
H    0     0                      16.0000000   42.00000   162%     -    9s
H    0     0                      17.0000000   42.00000   147%     -   14s
H    0     0                      18.0000000   42.00000   133%     -   14s
     0     0   41.66667    0  364   18.00000   41.66667   131%     -   14s
     0     0   41.66667    0  350   18.00000   41.66667   131%     -   14s
H    0     0                      19.0000000   41.66667   119%     -   20s
     0     0   41.66667    0  365   19.00000   41.66667   119%     -   20s
     0     0   41.66667    0  297   19.00000   41.66667   119%     -   20s
     0     0   41.66667    0  483   19.00000   41.66667   119%     -   38s
     0     0   41.66667    0  446   19.00000   41.66667   119%     -   38s
     0     0   41.66667    0  434   19.00000   41.66667   119%     -   50s

Cutting planes:
  Cover: 25
  Clique: 2
  MIR: 133
  StrongCG: 1
  GUB cover: 4
  Zero half: 39
  RLT: 60
  BQP: 1

Explored 1 nodes (63622 simplex iterations) in 50.05 seconds (46.79 work units)
Thread count was 8 (of 8 available processors)

Solution count 9: 19 18 17 ... 9

Time limit reached
Best objective 1.900000000000e+01, best bound 4.100000000000e+01, gap 115.7895%

Wrote result file './lp_solutions/grafo3099.39.sol'

