
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Fri Nov  1 21:12:32 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo1002.20.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/grafo1002.20.lp
Reading time = 0.01 seconds
: 3385 rows, 329 columns, 10231 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 3385 rows, 329 columns and 10231 nonzeros
Model fingerprint: 0xb6dbf3a3
Variable types: 13 continuous, 316 integer (316 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 4.0000000
Presolve removed 302 rows and 5 columns
Presolve time: 0.06s
Presolved: 3083 rows, 324 columns, 9373 nonzeros
Variable types: 0 continuous, 324 integer (311 binary)
Found heuristic solution: objective 5.0000000

Root relaxation: objective 1.000000e+01, 71 iterations, 0.02 seconds (0.00 work units)

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

     0     0   10.00000    0   47    5.00000   10.00000   100%     -    0s
H    0     0                       6.0000000   10.00000  66.7%     -    0s
     0     0   10.00000    0   51    6.00000   10.00000  66.7%     -    0s
     0     0    9.00000    0   25    6.00000    9.00000  50.0%     -    0s
     0     0    9.00000    0   24    6.00000    9.00000  50.0%     -    0s
     0     0    9.00000    0   46    6.00000    9.00000  50.0%     -    0s
     0     0    9.00000    0   45    6.00000    9.00000  50.0%     -    0s
     0     0    9.00000    0   43    6.00000    9.00000  50.0%     -    0s
     0     0    9.00000    0   49    6.00000    9.00000  50.0%     -    0s
     0     0    9.00000    0   44    6.00000    9.00000  50.0%     -    0s
     0     0    9.00000    0   41    6.00000    9.00000  50.0%     -    0s
     0     0    9.00000    0   42    6.00000    9.00000  50.0%     -    0s
     0     0    9.00000    0   42    6.00000    9.00000  50.0%     -    0s
     0     2    9.00000    0   42    6.00000    9.00000  50.0%     -    1s

Cutting planes:
  Gomory: 3
  Cover: 13
  Clique: 3
  MIR: 37
  Inf proof: 60
  Zero half: 5
  RLT: 23
  BQP: 1
  PSD: 2

Explored 1248 nodes (43683 simplex iterations) in 3.65 seconds (1.33 work units)
Thread count was 8 (of 8 available processors)

Solution count 3: 6 5 4 

Optimal solution found (tolerance 1.00e-04)
Best objective 6.000000000000e+00, best bound 6.000000000000e+00, gap 0.0000%

Wrote result file './lp_solutions/grafo1002.20.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 00:46:47 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo1002.20.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/grafo1002.20.lp
Reading time = 0.01 seconds
: 3385 rows, 329 columns, 10231 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 3385 rows, 329 columns and 10231 nonzeros
Model fingerprint: 0xb6dbf3a3
Variable types: 13 continuous, 316 integer (316 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 4.0000000
Presolve removed 302 rows and 5 columns
Presolve time: 0.04s
Presolved: 3083 rows, 324 columns, 9373 nonzeros
Variable types: 0 continuous, 324 integer (311 binary)
Found heuristic solution: objective 5.0000000

Root relaxation: objective 1.000000e+01, 71 iterations, 0.01 seconds (0.00 work units)

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

     0     0   10.00000    0   47    5.00000   10.00000   100%     -    0s
H    0     0                       6.0000000   10.00000  66.7%     -    0s
     0     0   10.00000    0   51    6.00000   10.00000  66.7%     -    0s
     0     0    9.00000    0   25    6.00000    9.00000  50.0%     -    0s
     0     0    9.00000    0   24    6.00000    9.00000  50.0%     -    0s
     0     0    9.00000    0   46    6.00000    9.00000  50.0%     -    0s
     0     0    9.00000    0   45    6.00000    9.00000  50.0%     -    0s
     0     0    9.00000    0   43    6.00000    9.00000  50.0%     -    0s
     0     0    9.00000    0   49    6.00000    9.00000  50.0%     -    0s
     0     0    9.00000    0   44    6.00000    9.00000  50.0%     -    0s
     0     0    9.00000    0   41    6.00000    9.00000  50.0%     -    1s
     0     0    9.00000    0   42    6.00000    9.00000  50.0%     -    1s
     0     0    9.00000    0   42    6.00000    9.00000  50.0%     -    1s
     0     2    9.00000    0   42    6.00000    9.00000  50.0%     -    1s
  1111     5     cutoff   16         6.00000    8.00000  33.3%  35.3    5s

Cutting planes:
  Gomory: 3
  Cover: 13
  Clique: 3
  MIR: 37
  Inf proof: 60
  Zero half: 5
  RLT: 23
  BQP: 1
  PSD: 2

Explored 1248 nodes (43683 simplex iterations) in 5.19 seconds (1.33 work units)
Thread count was 8 (of 8 available processors)

Solution count 3: 6 5 4 

Optimal solution found (tolerance 1.00e-04)
Best objective 6.000000000000e+00, best bound 6.000000000000e+00, gap 0.0000%

Wrote result file './lp_solutions/grafo1002.20.sol'

