
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 14 08:09:07 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5573.34.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/grafo5573.34.lp
Reading time = 0.08 seconds
: 33239 rows, 1399 columns, 100745 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 33239 rows, 1399 columns and 100745 nonzeros
Model fingerprint: 0x16adcced
Variable types: 36 continuous, 1363 integer (1363 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 4457 rows and 20 columns
Presolve time: 0.26s
Presolved: 28782 rows, 1379 columns, 87598 nonzeros
Variable types: 0 continuous, 1379 integer (1343 binary)
Root relaxation presolved: 15658 rows, 14503 columns, 61350 nonzeros


Root relaxation: objective 3.200000e+01, 1200 iterations, 0.66 seconds (0.25 work units)

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

     0     0   32.00000    0  265          -   32.00000      -     -    2s
H    0     0                      10.0000000   32.00000   220%     -    2s
H    0     0                      12.0000000   32.00000   167%     -    4s
     0     0   31.00000    0  475   12.00000   31.00000   158%     -    5s
     0     0   31.00000    0  485   12.00000   31.00000   158%     -    5s
     0     0   31.00000    0  316   12.00000   31.00000   158%     -   10s
     0     0   31.00000    0  316   12.00000   31.00000   158%     -   11s
H    0     0                      14.0000000   31.00000   121%     -   16s
     0     0   31.00000    0  305   14.00000   31.00000   121%     -   16s
     0     0   31.00000    0  291   14.00000   31.00000   121%     -   16s
     0     0   31.00000    0  355   14.00000   31.00000   121%     -   22s
     0     0   31.00000    0  334   14.00000   31.00000   121%     -   22s
     0     0   31.00000    0  293   14.00000   31.00000   121%     -   29s
     0     0   31.00000    0  309   14.00000   31.00000   121%     -   30s
     0     0   31.00000    0  422   14.00000   31.00000   121%     -   36s
     0     0   31.00000    0  338   14.00000   31.00000   121%     -   39s
     0     2   31.00000    0  338   14.00000   31.00000   121%     -   46s
    55    62   31.00000   12  268   14.00000   31.00000   121%   307   50s

Cutting planes:
  Gomory: 1
  Lift-and-project: 1
  Cover: 6
  Clique: 5
  MIR: 87
  StrongCG: 1
  GUB cover: 1
  Inf proof: 1
  Zero half: 12
  RLT: 56
  BQP: 1
  PSD: 1

Explored 61 nodes (72636 simplex iterations) in 50.04 seconds (34.89 work units)
Thread count was 8 (of 8 available processors)

Solution count 3: 14 12 10 

Time limit reached
Best objective 1.400000000000e+01, best bound 3.100000000000e+01, gap 121.4286%

Wrote result file './lp_solutions/grafo5573.34.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 21 05:36:52 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5573.34.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/grafo5573.34.lp
Reading time = 0.06 seconds
: 33239 rows, 1399 columns, 100745 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 33239 rows, 1399 columns and 100745 nonzeros
Model fingerprint: 0x16adcced
Variable types: 36 continuous, 1363 integer (1363 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 4457 rows and 20 columns
Presolve time: 0.22s
Presolved: 28782 rows, 1379 columns, 87598 nonzeros
Variable types: 0 continuous, 1379 integer (1343 binary)
Root relaxation presolved: 15658 rows, 14503 columns, 61350 nonzeros


Root relaxation: objective 3.200000e+01, 1200 iterations, 0.30 seconds (0.25 work units)

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

     0     0   32.00000    0  265          -   32.00000      -     -    1s
H    0     0                      10.0000000   32.00000   220%     -    1s
H    0     0                      12.0000000   32.00000   167%     -    2s
     0     0   31.00000    0  475   12.00000   31.00000   158%     -    2s
     0     0   31.00000    0  485   12.00000   31.00000   158%     -    3s
     0     0   31.00000    0  316   12.00000   31.00000   158%     -    6s
     0     0   31.00000    0  316   12.00000   31.00000   158%     -    7s
H    0     0                      14.0000000   31.00000   121%     -   10s
     0     0   31.00000    0  305   14.00000   31.00000   121%     -   10s
     0     0   31.00000    0  291   14.00000   31.00000   121%     -   11s
     0     0   31.00000    0  355   14.00000   31.00000   121%     -   14s
     0     0   31.00000    0  334   14.00000   31.00000   121%     -   14s
     0     0   31.00000    0  293   14.00000   31.00000   121%     -   20s
     0     0   31.00000    0  309   14.00000   31.00000   121%     -   20s
     0     0   31.00000    0  422   14.00000   31.00000   121%     -   24s
     0     0   31.00000    0  338   14.00000   31.00000   121%     -   26s
     0     2   31.00000    0  338   14.00000   31.00000   121%     -   32s
    84    96   31.00000   14  251   14.00000   31.00000   121%   260   35s
   278   283   24.66667   46  237   14.00000   31.00000   121%   157   41s
   417   418   20.00000   72  206   14.00000   31.00000   121%   204   45s
   521   522 infeasible   80        14.00000   31.00000   121%   226   50s

Cutting planes:
  Gomory: 1
  Lift-and-project: 1
  Cover: 9
  Clique: 5
  MIR: 112
  StrongCG: 1
  GUB cover: 1
  Inf proof: 1
  Zero half: 14
  RLT: 74
  BQP: 1
  PSD: 1

Explored 552 nodes (183504 simplex iterations) in 50.04 seconds (57.20 work units)
Thread count was 8 (of 8 available processors)

Solution count 3: 14 12 10 

Time limit reached
Best objective 1.400000000000e+01, best bound 3.100000000000e+01, gap 121.4286%

Wrote result file './lp_solutions/grafo5573.34.sol'

