
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 14 07:25:31 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5274.35.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/grafo5274.35.lp
Reading time = 0.08 seconds
: 36766 rows, 1397 columns, 111225 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 36766 rows, 1397 columns and 111225 nonzeros
Model fingerprint: 0x1ea13fec
Variable types: 35 continuous, 1362 integer (1362 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 6435 rows and 28 columns
Presolve time: 0.31s
Presolved: 30331 rows, 1369 columns, 92230 nonzeros
Variable types: 0 continuous, 1369 integer (1334 binary)
Found heuristic solution: objective 5.0000000
Root relaxation presolved: 17241 rows, 14459 columns, 66050 nonzeros


Root relaxation: objective 3.100000e+01, 2727 iterations, 1.24 seconds (0.84 work units)

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

     0     0   31.00000    0  393    5.00000   31.00000   520%     -    3s
H    0     0                       8.0000000   31.00000   288%     -    3s
H    0     0                      10.0000000   31.00000   210%     -    9s
     0     0   31.00000    0  641   10.00000   31.00000   210%     -    9s
H    0     0                      11.0000000   31.00000   182%     -    9s
     0     0   31.00000    0  645   11.00000   31.00000   182%     -   10s
H    0     0                      12.0000000   31.00000   158%     -   41s
     0     0   31.00000    0  429   12.00000   31.00000   158%     -   43s
     0     0   31.00000    0  427   12.00000   31.00000   158%     -   43s
     0     0   31.00000    0  575   12.00000   31.00000   158%     -   50s

Cutting planes:
  Cover: 19
  Clique: 5
  MIR: 118
  StrongCG: 1
  GUB cover: 3
  Zero half: 65
  RLT: 43
  BQP: 1

Explored 1 nodes (52268 simplex iterations) in 50.03 seconds (32.31 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 12 11 10 ... 5

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

Wrote result file './lp_solutions/grafo5274.35.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 21 06:22:04 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5274.35.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/grafo5274.35.lp
Reading time = 0.06 seconds
: 36766 rows, 1397 columns, 111225 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 36766 rows, 1397 columns and 111225 nonzeros
Model fingerprint: 0x1ea13fec
Variable types: 35 continuous, 1362 integer (1362 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 6435 rows and 28 columns
Presolve time: 0.24s
Presolved: 30331 rows, 1369 columns, 92230 nonzeros
Variable types: 0 continuous, 1369 integer (1334 binary)
Found heuristic solution: objective 5.0000000
Root relaxation presolved: 17241 rows, 14459 columns, 66050 nonzeros


Root relaxation: objective 3.100000e+01, 2727 iterations, 0.87 seconds (0.84 work units)

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

     0     0   31.00000    0  393    5.00000   31.00000   520%     -    2s
H    0     0                       8.0000000   31.00000   288%     -    2s
H    0     0                      10.0000000   31.00000   210%     -    6s
     0     0   31.00000    0  641   10.00000   31.00000   210%     -    6s
H    0     0                      11.0000000   31.00000   182%     -    6s
     0     0   31.00000    0  645   11.00000   31.00000   182%     -    6s
H    0     0                      12.0000000   31.00000   158%     -   29s
     0     0   31.00000    0  429   12.00000   31.00000   158%     -   30s
     0     0   31.00000    0  427   12.00000   31.00000   158%     -   31s
     0     0   31.00000    0  328   12.00000   31.00000   158%     -   37s
     0     0   31.00000    0  260   12.00000   31.00000   158%     -   37s
H    0     0                      13.0000000   30.66667   136%     -   46s
H    0     0                      14.0000000   30.66667   119%     -   46s
H    0     0                      15.0000000   30.66667   104%     -   46s
     0     0   30.66667    0  362   15.00000   30.66667   104%     -   46s
     0     0   30.66667    0  339   15.00000   30.66667   104%     -   47s
     0     0   30.66667    0  530   15.00000   30.66667   104%     -   50s

Cutting planes:
  Cover: 19
  Clique: 3
  MIR: 122
  StrongCG: 1
  GUB cover: 4
  Inf proof: 1
  Zero half: 28
  RLT: 41
  BQP: 2

Explored 1 nodes (74924 simplex iterations) in 50.04 seconds (44.34 work units)
Thread count was 8 (of 8 available processors)

Solution count 8: 15 14 13 ... 5

Time limit reached
Best objective 1.500000000000e+01, best bound 3.000000000000e+01, gap 100.0000%

Wrote result file './lp_solutions/grafo5274.35.sol'

