
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 21 09:53:13 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo6593.38.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/grafo6593.38.lp
Reading time = 0.11 seconds
: 62542 rows, 1769 columns, 188938 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 62542 rows, 1769 columns and 188938 nonzeros
Model fingerprint: 0x700a1365
Variable types: 40 continuous, 1729 integer (1729 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 15185 rows and 26 columns
Presolve time: 0.48s
Presolved: 47357 rows, 1743 columns, 143773 nonzeros
Variable types: 0 continuous, 1743 integer (1703 binary)
Root relaxation presolved: 29041 rows, 20059 columns, 107141 nonzeros


Root relaxation: objective 4.000000e+01, 2399 iterations, 1.12 seconds (0.99 work units)

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

     0     0   40.00000    0  453          -   40.00000      -     -    4s
H    0     0                       7.0000000   40.00000   471%     -    4s
H    0     0                       9.0000000   40.00000   344%     -    4s
H    0     0                      11.0000000   40.00000   264%     -    4s
     0     0   40.00000    0  573   11.00000   40.00000   264%     -    9s
     0     0   40.00000    0  551   11.00000   40.00000   264%     -   10s
H    0     0                      13.0000000   40.00000   208%     -   12s
H    0     0                      14.0000000   40.00000   186%     -   24s
     0     0   40.00000    0  413   14.00000   40.00000   186%     -   24s
     0     0   40.00000    0  330   14.00000   40.00000   186%     -   24s
H    0     0                      15.0000000   40.00000   167%     -   35s
     0     0   40.00000    0  457   15.00000   40.00000   167%     -   35s
     0     0   39.86667    0  392   15.00000   39.86667   166%     -   35s
     0     0   39.66667    0  413   15.00000   39.66667   164%     -   49s
     0     0   39.66667    0  472   15.00000   39.66667   164%     -   49s

Cutting planes:
  Cover: 42
  Clique: 11
  MIR: 21
  GUB cover: 4
  Zero half: 5
  RLT: 24

Explored 1 nodes (51599 simplex iterations) in 50.07 seconds (39.38 work units)
Thread count was 8 (of 8 available processors)

Solution count 6: 15 14 13 ... 7

Time limit reached
Best objective 1.500000000000e+01, best bound 3.900000000000e+01, gap 160.0000%

Wrote result file './lp_solutions/grafo6593.38.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Fri Nov 22 02:48:31 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo6593.38.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/grafo6593.38.lp
Reading time = 0.10 seconds
: 62542 rows, 1769 columns, 188938 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 62542 rows, 1769 columns and 188938 nonzeros
Model fingerprint: 0x700a1365
Variable types: 40 continuous, 1729 integer (1729 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 15185 rows and 26 columns
Presolve time: 0.42s
Presolved: 47357 rows, 1743 columns, 143773 nonzeros
Variable types: 0 continuous, 1743 integer (1703 binary)
Root relaxation presolved: 29041 rows, 20059 columns, 107141 nonzeros


Root relaxation: objective 4.000000e+01, 2399 iterations, 0.99 seconds (0.99 work units)

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

     0     0   40.00000    0  453          -   40.00000      -     -    3s
H    0     0                       7.0000000   40.00000   471%     -    4s
H    0     0                       9.0000000   40.00000   344%     -    4s
H    0     0                      11.0000000   40.00000   264%     -    4s
     0     0   40.00000    0  573   11.00000   40.00000   264%     -    8s
     0     0   40.00000    0  551   11.00000   40.00000   264%     -    9s
H    0     0                      13.0000000   40.00000   208%     -   11s
H    0     0                      14.0000000   40.00000   186%     -   20s
     0     0   40.00000    0  413   14.00000   40.00000   186%     -   20s
     0     0   40.00000    0  330   14.00000   40.00000   186%     -   21s
H    0     0                      15.0000000   40.00000   167%     -   30s
     0     0   40.00000    0  457   15.00000   40.00000   167%     -   30s
     0     0   39.86667    0  392   15.00000   39.86667   166%     -   30s
     0     0   39.66667    0  413   15.00000   39.66667   164%     -   42s
     0     0   39.66667    0  472   15.00000   39.66667   164%     -   42s
     0     0   39.66667    0  729   15.00000   39.66667   164%     -   50s

Cutting planes:
  Cover: 40
  Clique: 11
  MIR: 102
  GUB cover: 3
  Zero half: 66
  RLT: 59

Explored 1 nodes (58361 simplex iterations) in 50.05 seconds (45.73 work units)
Thread count was 8 (of 8 available processors)

Solution count 6: 15 14 13 ... 7

Time limit reached
Best objective 1.500000000000e+01, best bound 3.900000000000e+01, gap 160.0000%

Wrote result file './lp_solutions/grafo6593.38.sol'

