
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Fri Nov  1 22:18:47 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo1044.23.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/grafo1044.23.lp
Reading time = 0.20 seconds
: 6122 rows, 497 columns, 18571 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 6122 rows, 497 columns and 18571 nonzeros
Model fingerprint: 0x009354c3
Variable types: 19 continuous, 478 integer (478 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 3.0000000
Presolve removed 411 rows and 18 columns
Presolve time: 0.61s
Presolved: 5711 rows, 479 columns, 17464 nonzeros
Variable types: 0 continuous, 479 integer (460 binary)

Root relaxation: objective 1.000000e+01, 233 iterations, 0.29 seconds (0.01 work units)

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

     0     0   10.00000    0   30    3.00000   10.00000   233%     -    1s
H    0     0                       7.0000000   10.00000  42.9%     -    1s
     0     0   10.00000    0   42    7.00000   10.00000  42.9%     -    2s
H    0     0                       8.0000000   10.00000  25.0%     -    2s
     0     0    9.00000    0   35    8.00000    9.00000  12.5%     -    3s
     0     0    9.00000    0   46    8.00000    9.00000  12.5%     -    4s
     0     0    9.00000    0   39    8.00000    9.00000  12.5%     -    4s
     0     0    9.00000    0   40    8.00000    9.00000  12.5%     -    5s
     0     0    9.00000    0   33    8.00000    9.00000  12.5%     -    5s
     0     0    9.00000    0   34    8.00000    9.00000  12.5%     -    6s
     0     0    9.00000    0   35    8.00000    9.00000  12.5%     -    6s
     0     0    9.00000    0   33    8.00000    9.00000  12.5%     -    7s
     0     0    9.00000    0   30    8.00000    9.00000  12.5%     -    8s
     0     0    9.00000    0   29    8.00000    9.00000  12.5%     -    8s
     0     2    9.00000    0   29    8.00000    9.00000  12.5%     -    9s
   137     9 infeasible   12         8.00000    9.00000  12.5%  29.5   10s

Cutting planes:
  MIR: 13
  Inf proof: 8
  RLT: 10

Explored 189 nodes (8791 simplex iterations) in 10.30 seconds (0.80 work units)
Thread count was 8 (of 8 available processors)

Solution count 3: 8 7 3 

Optimal solution found (tolerance 1.00e-04)
Best objective 8.000000000000e+00, best bound 8.000000000000e+00, gap 0.0000%

Wrote result file './lp_solutions/grafo1044.23.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 01:02:27 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo1044.23.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/grafo1044.23.lp
Reading time = 0.02 seconds
: 6122 rows, 497 columns, 18571 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 6122 rows, 497 columns and 18571 nonzeros
Model fingerprint: 0x009354c3
Variable types: 19 continuous, 478 integer (478 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 3.0000000
Presolve removed 411 rows and 18 columns
Presolve time: 0.10s
Presolved: 5711 rows, 479 columns, 17464 nonzeros
Variable types: 0 continuous, 479 integer (460 binary)

Root relaxation: objective 1.000000e+01, 233 iterations, 0.04 seconds (0.01 work units)

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

     0     0   10.00000    0   30    3.00000   10.00000   233%     -    0s
H    0     0                       7.0000000   10.00000  42.9%     -    0s
     0     0   10.00000    0   42    7.00000   10.00000  42.9%     -    0s
H    0     0                       8.0000000   10.00000  25.0%     -    0s
     0     0    9.00000    0   35    8.00000    9.00000  12.5%     -    0s
     0     0    9.00000    0   46    8.00000    9.00000  12.5%     -    0s
     0     0    9.00000    0   39    8.00000    9.00000  12.5%     -    1s
     0     0    9.00000    0   40    8.00000    9.00000  12.5%     -    1s
     0     0    9.00000    0   33    8.00000    9.00000  12.5%     -    1s
     0     0    9.00000    0   34    8.00000    9.00000  12.5%     -    1s
     0     0    9.00000    0   35    8.00000    9.00000  12.5%     -    1s
     0     0    9.00000    0   33    8.00000    9.00000  12.5%     -    1s
     0     0    9.00000    0   30    8.00000    9.00000  12.5%     -    2s
     0     0    9.00000    0   29    8.00000    9.00000  12.5%     -    2s
     0     2    9.00000    0   29    8.00000    9.00000  12.5%     -    2s

Cutting planes:
  MIR: 13
  Inf proof: 8
  RLT: 10

Explored 189 nodes (8791 simplex iterations) in 3.21 seconds (0.80 work units)
Thread count was 8 (of 8 available processors)

Solution count 3: 8 7 3 

Optimal solution found (tolerance 1.00e-04)
Best objective 8.000000000000e+00, best bound 8.000000000000e+00, gap 0.0000%

Wrote result file './lp_solutions/grafo1044.23.sol'

