
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 14 03:47:28 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo11654.35.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/grafo11654.35.lp
Reading time = 0.11 seconds
: 55764 rows, 1732 columns, 168759 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 55764 rows, 1732 columns and 168759 nonzeros
Model fingerprint: 0x2583c2b5
Variable types: 42 continuous, 1690 integer (1690 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 11535 rows and 27 columns
Presolve time: 0.57s
Presolved: 44229 rows, 1705 columns, 134547 nonzeros
Variable types: 0 continuous, 1705 integer (1663 binary)
Found heuristic solution: objective 7.0000000
Root relaxation presolved: 26204 rows, 19730 columns, 98497 nonzeros


Root relaxation: objective 3.700000e+01, 910 iterations, 0.38 seconds (0.22 work units)

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

     0     0   37.00000    0  230    7.00000   37.00000   429%     -    1s
H    0     0                      10.0000000   37.00000   270%     -    2s
H    0     0                      12.0000000   37.00000   208%     -    2s
     0     0   37.00000    0  532   12.00000   37.00000   208%     -    6s
H    0     0                      14.0000000   37.00000   164%     -    6s
     0     0   37.00000    0  482   14.00000   37.00000   164%     -    7s
H    0     0                      15.0000000   37.00000   147%     -   25s
H    0     0                      16.0000000   37.00000   131%     -   25s
     0     0   37.00000    0  388   16.00000   37.00000   131%     -   25s
H    0     0                      17.0000000   37.00000   118%     -   25s
     0     0   37.00000    0  363   17.00000   37.00000   118%     -   26s
     0     0   37.00000    0  295   17.00000   37.00000   118%     -   35s
     0     0   37.00000    0  290   17.00000   37.00000   118%     -   36s
     0     0   37.00000    0  404   17.00000   37.00000   118%     -   45s
     0     0   37.00000    0  401   17.00000   37.00000   118%     -   47s
     0     0          -    0        17.00000   37.00000   118%     -   50s

Cutting planes:
  Cover: 25
  Clique: 6
  MIR: 140
  StrongCG: 1
  GUB cover: 1
  Zero half: 60
  RLT: 48
  Relax-and-lift: 2

Explored 1 nodes (44362 simplex iterations) in 50.08 seconds (30.36 work units)
Thread count was 8 (of 8 available processors)

Solution count 8: 17 16 15 ... 3

Time limit reached
Best objective 1.700000000000e+01, best bound 3.700000000000e+01, gap 117.6471%

Wrote result file './lp_solutions/grafo11654.35.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 21 06:09:31 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo11654.35.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/grafo11654.35.lp
Reading time = 0.09 seconds
: 55764 rows, 1732 columns, 168759 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 55764 rows, 1732 columns and 168759 nonzeros
Model fingerprint: 0x2583c2b5
Variable types: 42 continuous, 1690 integer (1690 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 11535 rows and 27 columns
Presolve time: 0.38s
Presolved: 44229 rows, 1705 columns, 134547 nonzeros
Variable types: 0 continuous, 1705 integer (1663 binary)
Found heuristic solution: objective 7.0000000
Root relaxation presolved: 26204 rows, 19730 columns, 98497 nonzeros


Root relaxation: objective 3.700000e+01, 910 iterations, 0.26 seconds (0.22 work units)

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

     0     0   37.00000    0  230    7.00000   37.00000   429%     -    1s
H    0     0                      10.0000000   37.00000   270%     -    1s
H    0     0                      12.0000000   37.00000   208%     -    1s
     0     0   37.00000    0  532   12.00000   37.00000   208%     -    4s
H    0     0                      14.0000000   37.00000   164%     -    4s
     0     0   37.00000    0  482   14.00000   37.00000   164%     -    5s
H    0     0                      15.0000000   37.00000   147%     -   17s
H    0     0                      16.0000000   37.00000   131%     -   17s
     0     0   37.00000    0  388   16.00000   37.00000   131%     -   17s
H    0     0                      17.0000000   37.00000   118%     -   17s
     0     0   37.00000    0  363   17.00000   37.00000   118%     -   18s
     0     0   37.00000    0  295   17.00000   37.00000   118%     -   25s
     0     0   37.00000    0  290   17.00000   37.00000   118%     -   25s
     0     0   37.00000    0  404   17.00000   37.00000   118%     -   32s
     0     0   37.00000    0  401   17.00000   37.00000   118%     -   34s
H    0     0                      18.0000000   37.00000   106%     -   42s
     0     0   36.83333    0  347   18.00000   36.83333   105%     -   42s
     0     0   36.83333    0  325   18.00000   36.83333   105%     -   43s
     0     0   36.71429    0  450   18.00000   36.71429   104%     -   50s

Cutting planes:
  Cover: 8
  Clique: 5
  MIR: 32
  Zero half: 10
  RLT: 30

Explored 1 nodes (60404 simplex iterations) in 50.09 seconds (41.46 work units)
Thread count was 8 (of 8 available processors)

Solution count 9: 18 17 16 ... 3

Time limit reached
Best objective 1.800000000000e+01, best bound 3.600000000000e+01, gap 100.0000%

Wrote result file './lp_solutions/grafo11654.35.sol'

