
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 14 09:01:56 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5852.35.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/grafo5852.35.lp
Reading time = 0.15 seconds
: 69518 rows, 1938 columns, 210246 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 69518 rows, 1938 columns and 210246 nonzeros
Model fingerprint: 0xdfdbe9e5
Variable types: 46 continuous, 1892 integer (1892 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 -0.0000000
Presolve removed 15802 rows and 39 columns
Presolve time: 0.77s
Presolved: 53716 rows, 1899 columns, 163213 nonzeros
Variable types: 0 continuous, 1899 integer (1853 binary)
Found heuristic solution: objective 5.0000000
Root relaxation presolved: 1899 rows, 55615 columns, 165112 nonzeros


Root relaxation: objective 5.000000e+01, 3726 iterations, 2.13 seconds (1.84 work units)
Total elapsed time = 21.07s (DegenMoves)
Total elapsed time = 25.18s (DegenMoves)
Total elapsed time = 31.13s (DegenMoves)

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

     0     0   50.00000    0  588    5.00000   50.00000   900%     -   34s
H    0     0                       6.0000000   50.00000   733%     -   34s
H    0     0                       7.0000000   50.00000   614%     -   36s
     0     0          -    0         7.00000   50.00000   614%     -   50s

Cutting planes:
  Gomory: 18
  Cover: 48
  Clique: 8
  MIR: 117
  StrongCG: 1
  GUB cover: 10
  Zero half: 20
  RLT: 49
  BQP: 1

Explored 1 nodes (36608 simplex iterations) in 50.06 seconds (42.15 work units)
Thread count was 8 (of 8 available processors)

Solution count 4: 7 6 5 -0 

Time limit reached
Best objective 7.000000000000e+00, best bound 5.000000000000e+01, gap 614.2857%

Wrote result file './lp_solutions/grafo5852.35.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 21 06:32:57 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5852.35.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/grafo5852.35.lp
Reading time = 0.11 seconds
: 69518 rows, 1938 columns, 210246 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 69518 rows, 1938 columns and 210246 nonzeros
Model fingerprint: 0xdfdbe9e5
Variable types: 46 continuous, 1892 integer (1892 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 -0.0000000
Presolve removed 15802 rows and 39 columns
Presolve time: 0.47s
Presolved: 53716 rows, 1899 columns, 163213 nonzeros
Variable types: 0 continuous, 1899 integer (1853 binary)
Found heuristic solution: objective 5.0000000
Root relaxation presolved: 1899 rows, 55615 columns, 165112 nonzeros


Root relaxation: objective 5.000000e+01, 3726 iterations, 1.56 seconds (1.84 work units)
Total elapsed time = 16.74s (DegenMoves)
Total elapsed time = 22.45s (DegenMoves)

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

     0     0   50.00000    0  588    5.00000   50.00000   900%     -   27s
H    0     0                       6.0000000   50.00000   733%     -   27s
H    0     0                       7.0000000   50.00000   614%     -   28s
     0     0   50.00000    0  884    7.00000   50.00000   614%     -   43s
     0     0   50.00000    0  934    7.00000   50.00000   614%     -   48s

Cutting planes:
  Gomory: 6
  Cover: 3
  Clique: 3
  MIR: 203
  Zero half: 68
  RLT: 87
  BQP: 2

Explored 1 nodes (44296 simplex iterations) in 50.58 seconds (52.65 work units)
Thread count was 8 (of 8 available processors)

Solution count 4: 7 6 5 -0 

Time limit reached
Best objective 7.000000000000e+00, best bound 5.000000000000e+01, gap 614.2857%

Wrote result file './lp_solutions/grafo5852.35.sol'

