
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 14 03:26:30 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo11585.36.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/grafo11585.36.lp
Reading time = 0.11 seconds
: 50107 rows, 1866 columns, 151924 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 50107 rows, 1866 columns and 151924 nonzeros
Model fingerprint: 0xe1a05715
Variable types: 44 continuous, 1822 integer (1822 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 5677 rows and 33 columns
Presolve time: 0.51s
Presolved: 44430 rows, 1833 columns, 135334 nonzeros
Variable types: 0 continuous, 1833 integer (1789 binary)
Root relaxation presolved: 24046 rows, 22217 columns, 94566 nonzeros


Root relaxation: objective 3.900000e+01, 2962 iterations, 1.85 seconds (1.01 work units)
Total elapsed time = 5.40s (DegenMoves)

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

     0     0   39.00000    0  378          -   39.00000      -     -    5s
H    0     0                       7.0000000   39.00000   457%     -    7s
     0     0   39.00000    0  538    7.00000   39.00000   457%     -   11s
H    0     0                       9.0000000   39.00000   333%     -   11s
     0     0   39.00000    0  536    9.00000   39.00000   333%     -   11s
H    0     0                      12.0000000   39.00000   225%     -   30s
H    0     0                      14.0000000   39.00000   179%     -   30s
     0     0   39.00000    0  374   14.00000   39.00000   179%     -   31s
     0     0   39.00000    0  305   14.00000   39.00000   179%     -   31s
H    0     0                      15.0000000   39.00000   160%     -   44s
H    0     0                      16.0000000   39.00000   144%     -   44s
H    0     0                      17.0000000   39.00000   129%     -   44s
H    0     0                      18.0000000   39.00000   117%     -   44s
     0     0   39.00000    0  376   18.00000   39.00000   117%     -   45s
     0     0   39.00000    0  391   18.00000   39.00000   117%     -   46s
     0     0          -    0        18.00000   39.00000   117%     -   50s

Cutting planes:
  Lift-and-project: 1
  Cover: 31
  Clique: 5
  MIR: 123
  StrongCG: 2
  Zero half: 49
  RLT: 50
  BQP: 2
  PSD: 2

Explored 1 nodes (45869 simplex iterations) in 50.10 seconds (29.61 work units)
Thread count was 8 (of 8 available processors)

Solution count 8: 18 17 16 ... 7

Time limit reached
Best objective 1.800000000000e+01, best bound 3.900000000000e+01, gap 116.6667%

Wrote result file './lp_solutions/grafo11585.36.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 21 07:04:47 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo11585.36.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/grafo11585.36.lp
Reading time = 0.08 seconds
: 50107 rows, 1866 columns, 151924 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 50107 rows, 1866 columns and 151924 nonzeros
Model fingerprint: 0xe1a05715
Variable types: 44 continuous, 1822 integer (1822 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 5677 rows and 33 columns
Presolve time: 0.34s
Presolved: 44430 rows, 1833 columns, 135334 nonzeros
Variable types: 0 continuous, 1833 integer (1789 binary)
Root relaxation presolved: 24046 rows, 22217 columns, 94566 nonzeros


Root relaxation: objective 3.900000e+01, 2962 iterations, 1.13 seconds (1.01 work units)

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

     0     0   39.00000    0  378          -   39.00000      -     -    3s
H    0     0                       7.0000000   39.00000   457%     -    4s
     0     0   39.00000    0  538    7.00000   39.00000   457%     -    6s
H    0     0                       9.0000000   39.00000   333%     -    7s
     0     0   39.00000    0  536    9.00000   39.00000   333%     -    7s
H    0     0                      12.0000000   39.00000   225%     -   20s
H    0     0                      14.0000000   39.00000   179%     -   20s
     0     0   39.00000    0  374   14.00000   39.00000   179%     -   21s
     0     0   39.00000    0  305   14.00000   39.00000   179%     -   21s
H    0     0                      15.0000000   39.00000   160%     -   30s
H    0     0                      16.0000000   39.00000   144%     -   30s
H    0     0                      17.0000000   39.00000   129%     -   30s
H    0     0                      18.0000000   39.00000   117%     -   30s
     0     0   39.00000    0  376   18.00000   39.00000   117%     -   31s
     0     0   39.00000    0  391   18.00000   39.00000   117%     -   31s
H    0     0                      19.0000000   39.00000   105%     -   47s
     0     0   39.00000    0  298   19.00000   39.00000   105%     -   47s
     0     0   39.00000    0  501   19.00000   39.00000   105%     -   49s

Cutting planes:
  Gomory: 1
  Cover: 30
  Clique: 6
  MIR: 38
  GUB cover: 1
  Inf proof: 1
  Zero half: 8
  RLT: 29
  BQP: 2
  PSD: 3

Explored 1 nodes (64550 simplex iterations) in 50.10 seconds (41.42 work units)
Thread count was 8 (of 8 available processors)

Solution count 9: 19 18 17 ... 7

Time limit reached
Best objective 1.900000000000e+01, best bound 3.900000000000e+01, gap 105.2632%

Wrote result file './lp_solutions/grafo11585.36.sol'

