
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 14 07:54:52 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5495.34.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/grafo5495.34.lp
Reading time = 0.13 seconds
: 59278 rows, 1526 columns, 178979 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 59278 rows, 1526 columns and 178979 nonzeros
Model fingerprint: 0xc9995451
Variable types: 38 continuous, 1488 integer (1488 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 1.0000000
Presolve removed 17656 rows and 24 columns
Presolve time: 0.56s
Presolved: 41622 rows, 1502 columns, 126304 nonzeros
Variable types: 0 continuous, 1502 integer (1464 binary)
Found heuristic solution: objective 4.0000000
Root relaxation presolved: 27202 rows, 15922 columns, 97464 nonzeros


Root relaxation: objective 3.900000e+01, 2889 iterations, 2.14 seconds (1.52 work units)
Total elapsed time = 5.29s (DegenMoves)

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

     0     0   39.00000    0  491    4.00000   39.00000   875%     -    6s
H    0     0                       6.0000000   39.00000   550%     -    8s
     0     0   39.00000    0  699    6.00000   39.00000   550%     -   17s
     0     0   39.00000    0  693    6.00000   39.00000   550%     -   18s
     0     0   39.00000    0  450    6.00000   39.00000   550%     -   35s
H    0     0                       7.0000000   39.00000   457%     -   35s
     0     0   39.00000    0  443    7.00000   39.00000   457%     -   36s
     0     0   39.00000    0  713    7.00000   39.00000   457%     -   50s

Cutting planes:
  Gomory: 1
  Cover: 27
  Clique: 18
  MIR: 136
  GUB cover: 6
  Zero half: 69
  RLT: 63
  BQP: 2

Explored 1 nodes (38559 simplex iterations) in 50.07 seconds (32.27 work units)
Thread count was 8 (of 8 available processors)

Solution count 4: 7 6 4 1 

Time limit reached
Best objective 7.000000000000e+00, best bound 3.900000000000e+01, gap 457.1429%

Wrote result file './lp_solutions/grafo5495.34.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 21 05:33:31 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5495.34.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/grafo5495.34.lp
Reading time = 0.10 seconds
: 59278 rows, 1526 columns, 178979 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 59278 rows, 1526 columns and 178979 nonzeros
Model fingerprint: 0xc9995451
Variable types: 38 continuous, 1488 integer (1488 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 1.0000000
Presolve removed 17656 rows and 24 columns
Presolve time: 0.43s
Presolved: 41622 rows, 1502 columns, 126304 nonzeros
Variable types: 0 continuous, 1502 integer (1464 binary)
Found heuristic solution: objective 4.0000000
Root relaxation presolved: 27202 rows, 15922 columns, 97464 nonzeros


Root relaxation: objective 3.900000e+01, 2889 iterations, 1.91 seconds (1.52 work units)
Total elapsed time = 5.14s (DegenMoves)

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

     0     0   39.00000    0  491    4.00000   39.00000   875%     -    6s
H    0     0                       6.0000000   39.00000   550%     -    7s
     0     0   39.00000    0  699    6.00000   39.00000   550%     -   13s
     0     0   39.00000    0  693    6.00000   39.00000   550%     -   14s
     0     0   39.00000    0  450    6.00000   39.00000   550%     -   26s
H    0     0                       7.0000000   39.00000   457%     -   26s
     0     0   39.00000    0  443    7.00000   39.00000   457%     -   27s
H    0     0                       8.0000000   39.00000   387%     -   39s
     0     0   39.00000    0  488    8.00000   39.00000   387%     -   39s
     0     0   39.00000    0  368    8.00000   39.00000   387%     -   40s
     0     0   39.00000    0  693    8.00000   39.00000   387%     -   50s

Cutting planes:
  Cover: 37
  Clique: 19
  MIR: 140
  StrongCG: 4
  GUB cover: 8
  Zero half: 48
  RLT: 64
  BQP: 3

Explored 1 nodes (52660 simplex iterations) in 50.06 seconds (44.23 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 8 7 6 ... 1

Time limit reached
Best objective 8.000000000000e+00, best bound 3.900000000000e+01, gap 387.5000%

Wrote result file './lp_solutions/grafo5495.34.sol'

