
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Fri Nov  1 22:20:39 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo10458.31.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/grafo10458.31.lp
Reading time = 0.07 seconds
: 14029 rows, 862 columns, 42523 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 14029 rows, 862 columns and 42523 nonzeros
Model fingerprint: 0xd5bdd426
Variable types: 25 continuous, 837 integer (837 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 208 rows and 12 columns
Presolve time: 0.24s
Presolved: 13821 rows, 850 columns, 41989 nonzeros
Variable types: 0 continuous, 850 integer (825 binary)

Root relaxation: objective 1.400000e+01, 95 iterations, 0.09 seconds (0.02 work units)

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

     0     0   14.00000    0   38          -   14.00000      -     -    0s
H    0     0                       8.0000000   14.00000  75.0%     -    0s
H    0     0                       9.0000000   14.00000  55.6%     -    0s
     0     0   14.00000    0   58    9.00000   14.00000  55.6%     -    0s
     0     0   14.00000    0   59    9.00000   14.00000  55.6%     -    1s
H    0     0                      10.0000000   14.00000  40.0%     -    1s
     0     0   14.00000    0   10   10.00000   14.00000  40.0%     -    1s
     0     0   14.00000    0   21   10.00000   14.00000  40.0%     -    1s
     0     0   14.00000    0   12   10.00000   14.00000  40.0%     -    1s
     0     0   14.00000    0   30   10.00000   14.00000  40.0%     -    2s
     0     0   14.00000    0   44   10.00000   14.00000  40.0%     -    2s
     0     0   14.00000    0   32   10.00000   14.00000  40.0%     -    2s
     0     0   14.00000    0   28   10.00000   14.00000  40.0%     -    2s
     0     0   14.00000    0   19   10.00000   14.00000  40.0%     -    2s
     0     0   14.00000    0   19   10.00000   14.00000  40.0%     -    3s
     0     2   14.00000    0   19   10.00000   14.00000  40.0%     -    3s
    94    31   13.91667    8   98   10.00000   14.00000  40.0%  41.1    5s
   339    46 infeasible    8        10.00000   14.00000  40.0%  54.2   10s
   659    48   12.00000    8  117   10.00000   14.00000  40.0%  61.8   15s

Cutting planes:
  Gomory: 9
  Cover: 26
  Clique: 5
  MIR: 23
  Inf proof: 53
  Zero half: 9
  RLT: 28
  PSD: 1

Explored 912 nodes (60418 simplex iterations) in 19.32 seconds (7.20 work units)
Thread count was 8 (of 8 available processors)

Solution count 3: 10 9 8 

Optimal solution found (tolerance 1.00e-04)
Best objective 1.000000000000e+01, best bound 1.000000000000e+01, gap 0.0000%

Wrote result file './lp_solutions/grafo10458.31.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 01:02:30 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo10458.31.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/grafo10458.31.lp
Reading time = 0.03 seconds
: 14029 rows, 862 columns, 42523 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 14029 rows, 862 columns and 42523 nonzeros
Model fingerprint: 0xd5bdd426
Variable types: 25 continuous, 837 integer (837 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 208 rows and 12 columns
Presolve time: 0.33s
Presolved: 13821 rows, 850 columns, 41989 nonzeros
Variable types: 0 continuous, 850 integer (825 binary)

Root relaxation: objective 1.400000e+01, 95 iterations, 0.10 seconds (0.02 work units)

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

     0     0   14.00000    0   38          -   14.00000      -     -    0s
H    0     0                       8.0000000   14.00000  75.0%     -    1s
H    0     0                       9.0000000   14.00000  55.6%     -    1s
     0     0   14.00000    0   58    9.00000   14.00000  55.6%     -    1s
     0     0   14.00000    0   59    9.00000   14.00000  55.6%     -    1s
H    0     0                      10.0000000   14.00000  40.0%     -    1s
     0     0   14.00000    0   10   10.00000   14.00000  40.0%     -    1s
     0     0   14.00000    0   21   10.00000   14.00000  40.0%     -    1s
     0     0   14.00000    0   12   10.00000   14.00000  40.0%     -    2s
     0     0   14.00000    0   30   10.00000   14.00000  40.0%     -    2s
     0     0   14.00000    0   44   10.00000   14.00000  40.0%     -    2s
     0     0   14.00000    0   32   10.00000   14.00000  40.0%     -    3s
     0     0   14.00000    0   28   10.00000   14.00000  40.0%     -    3s
     0     0   14.00000    0   19   10.00000   14.00000  40.0%     -    4s
     0     0   14.00000    0   19   10.00000   14.00000  40.0%     -    4s
     0     2   14.00000    0   19   10.00000   14.00000  40.0%     -    5s
   271    47 infeasible    9        10.00000   14.00000  40.0%  57.5   10s
   574    56   13.91807   10  125   10.00000   14.00000  40.0%  57.1   15s
   709    42   11.98947   13  161   10.00000   12.00000  20.0%  62.6   20s

Cutting planes:
  Gomory: 9
  Cover: 26
  Clique: 5
  MIR: 23
  Inf proof: 53
  Zero half: 9
  RLT: 28
  PSD: 1

Explored 912 nodes (60418 simplex iterations) in 21.29 seconds (7.20 work units)
Thread count was 8 (of 8 available processors)

Solution count 3: 10 9 8 

Optimal solution found (tolerance 1.00e-04)
Best objective 1.000000000000e+01, best bound 1.000000000000e+01, gap 0.0000%

Wrote result file './lp_solutions/grafo10458.31.sol'

