
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 14 08:41:49 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5752.35.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/grafo5752.35.lp
Reading time = 0.10 seconds
: 52183 rows, 1530 columns, 157703 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 52183 rows, 1530 columns and 157703 nonzeros
Model fingerprint: 0xbf1a4745
Variable types: 38 continuous, 1492 integer (1492 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 1.0000000
Presolve removed 12779 rows and 30 columns
Presolve time: 0.59s
Presolved: 39404 rows, 1500 columns, 119674 nonzeros
Variable types: 0 continuous, 1500 integer (1462 binary)
Found heuristic solution: objective 10.0000000
Root relaxation presolved: 24423 rows, 16481 columns, 89712 nonzeros


Root relaxation: objective 3.200000e+01, 1800 iterations, 0.90 seconds (0.59 work units)

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

     0     0   32.00000    0  362   10.00000   32.00000   220%     -    3s
H    0     0                      11.0000000   32.00000   191%     -    3s
     0     0   32.00000    0  464   11.00000   32.00000   191%     -    7s
H    0     0                      12.0000000   32.00000   167%     -    7s
     0     0   32.00000    0  432   12.00000   32.00000   167%     -    8s
     0     0   32.00000    0  281   12.00000   32.00000   167%     -   17s
     0     0   32.00000    0  253   12.00000   32.00000   167%     -   17s
H    0     0                      13.0000000   32.00000   146%     -   28s
H    0     0                      14.0000000   32.00000   129%     -   28s
     0     0   31.83333    0  365   14.00000   31.83333   127%     -   28s
     0     0   31.83333    0  319   14.00000   31.83333   127%     -   29s
H    0     0                      17.0000000   31.82353  87.2%     -   40s
     0     0   31.82353    0  376   17.00000   31.82353  87.2%     -   40s
     0     0   31.82353    0  403   17.00000   31.82353  87.2%     -   42s
     0     0   31.82353    0  338   17.00000   31.82353  87.2%     -   50s

Cutting planes:
  Cover: 22
  Clique: 9
  MIR: 79
  Zero half: 27
  RLT: 46
  BQP: 2

Explored 1 nodes (45509 simplex iterations) in 50.05 seconds (29.84 work units)
Thread count was 8 (of 8 available processors)

Solution count 7: 17 14 13 ... 1

Time limit reached
Best objective 1.700000000000e+01, best bound 3.100000000000e+01, gap 82.3529%

Wrote result file './lp_solutions/grafo5752.35.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 21 06:29:36 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5752.35.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/grafo5752.35.lp
Reading time = 0.09 seconds
: 52183 rows, 1530 columns, 157703 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 52183 rows, 1530 columns and 157703 nonzeros
Model fingerprint: 0xbf1a4745
Variable types: 38 continuous, 1492 integer (1492 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 1.0000000
Presolve removed 12779 rows and 30 columns
Presolve time: 0.37s
Presolved: 39404 rows, 1500 columns, 119674 nonzeros
Variable types: 0 continuous, 1500 integer (1462 binary)
Found heuristic solution: objective 10.0000000
Root relaxation presolved: 24423 rows, 16481 columns, 89712 nonzeros


Root relaxation: objective 3.200000e+01, 1800 iterations, 0.59 seconds (0.59 work units)

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

     0     0   32.00000    0  362   10.00000   32.00000   220%     -    2s
H    0     0                      11.0000000   32.00000   191%     -    2s
     0     0   32.00000    0  464   11.00000   32.00000   191%     -    4s
H    0     0                      12.0000000   32.00000   167%     -    5s
     0     0   32.00000    0  432   12.00000   32.00000   167%     -    5s
     0     0   32.00000    0  281   12.00000   32.00000   167%     -   10s
     0     0   32.00000    0  253   12.00000   32.00000   167%     -   11s
H    0     0                      13.0000000   32.00000   146%     -   18s
H    0     0                      14.0000000   32.00000   129%     -   18s
     0     0   31.83333    0  365   14.00000   31.83333   127%     -   18s
     0     0   31.83333    0  319   14.00000   31.83333   127%     -   19s
H    0     0                      17.0000000   31.82353  87.2%     -   27s
     0     0   31.82353    0  376   17.00000   31.82353  87.2%     -   27s
     0     0   31.82353    0  403   17.00000   31.82353  87.2%     -   28s
     0     0   31.81250    0  293   17.00000   31.81250  87.1%     -   36s
     0     0   31.81250    0  332   17.00000   31.81250  87.1%     -   37s
     0     0   31.77778    0  277   17.00000   31.77778  86.9%     -   50s

Cutting planes:
  Gomory: 1
  Cover: 1
  Clique: 3
  MIR: 14
  Zero half: 1
  RLT: 20

Explored 1 nodes (61911 simplex iterations) in 50.08 seconds (42.29 work units)
Thread count was 8 (of 8 available processors)

Solution count 7: 17 14 13 ... 1

Time limit reached
Best objective 1.700000000000e+01, best bound 3.100000000000e+01, gap 82.3529%

Wrote result file './lp_solutions/grafo5752.35.sol'

