
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 14 03:23:09 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo11575.38.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/grafo11575.38.lp
Reading time = 0.10 seconds
: 42888 rows, 1622 columns, 129762 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 42888 rows, 1622 columns and 129762 nonzeros
Model fingerprint: 0x2adac039
Variable types: 38 continuous, 1584 integer (1584 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 5639 rows and 42 columns
Presolve time: 0.34s
Presolved: 37249 rows, 1580 columns, 113233 nonzeros
Variable types: 0 continuous, 1580 integer (1542 binary)
Found heuristic solution: objective 2.0000000
Root relaxation presolved: 20377 rows, 18452 columns, 79489 nonzeros


Root relaxation: objective 3.100000e+01, 1844 iterations, 0.90 seconds (0.46 work units)

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

     0     0   31.00000    0  371    2.00000   31.00000  1450%     -    3s
H    0     0                       5.0000000   31.00000   520%     -    3s
H    0     0                       6.0000000   31.00000   417%     -    4s
H    0     0                       8.0000000   31.00000   288%     -    5s
     0     0   31.00000    0  616    8.00000   31.00000   287%     -    9s
     0     0   31.00000    0  534    8.00000   31.00000   287%     -   11s
     0     0   31.00000    0  453    8.00000   31.00000   287%     -   21s
     0     0   31.00000    0  463    8.00000   31.00000   287%     -   22s
     0     0   31.00000    0  345    8.00000   31.00000   287%     -   31s
     0     0   31.00000    0  342    8.00000   31.00000   287%     -   31s
     0     0   31.00000    0  350    8.00000   31.00000   287%     -   37s
H    0     0                       9.0000000   31.00000   244%     -   39s
     0     0   31.00000    0  419    9.00000   31.00000   244%     -   39s
     0     0   31.00000    0  526    9.00000   31.00000   244%     -   50s

Cutting planes:
  Cover: 22
  Clique: 1
  MIR: 85
  GUB cover: 10
  Zero half: 51
  RLT: 43

Explored 1 nodes (51285 simplex iterations) in 50.05 seconds (28.89 work units)
Thread count was 8 (of 8 available processors)

Solution count 6: 9 8 6 ... 1

Time limit reached
Best objective 9.000000000000e+00, best bound 3.100000000000e+01, gap 244.4444%

Wrote result file './lp_solutions/grafo11575.38.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 21 09:11:18 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo11575.38.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/grafo11575.38.lp
Reading time = 0.07 seconds
: 42888 rows, 1622 columns, 129762 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 42888 rows, 1622 columns and 129762 nonzeros
Model fingerprint: 0x2adac039
Variable types: 38 continuous, 1584 integer (1584 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 5639 rows and 42 columns
Presolve time: 0.29s
Presolved: 37249 rows, 1580 columns, 113233 nonzeros
Variable types: 0 continuous, 1580 integer (1542 binary)
Found heuristic solution: objective 2.0000000
Root relaxation presolved: 20377 rows, 18452 columns, 79489 nonzeros


Root relaxation: objective 3.100000e+01, 1844 iterations, 0.49 seconds (0.46 work units)

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

     0     0   31.00000    0  371    2.00000   31.00000  1450%     -    2s
H    0     0                       5.0000000   31.00000   520%     -    2s
H    0     0                       6.0000000   31.00000   417%     -    2s
H    0     0                       8.0000000   31.00000   288%     -    3s
     0     0   31.00000    0  616    8.00000   31.00000   287%     -    6s
     0     0   31.00000    0  534    8.00000   31.00000   287%     -    7s
     0     0   31.00000    0  453    8.00000   31.00000   287%     -   13s
     0     0   31.00000    0  463    8.00000   31.00000   287%     -   14s
     0     0   31.00000    0  345    8.00000   31.00000   287%     -   20s
     0     0   31.00000    0  342    8.00000   31.00000   287%     -   20s
     0     0   31.00000    0  350    8.00000   31.00000   287%     -   24s
H    0     0                       9.0000000   31.00000   244%     -   25s
     0     0   31.00000    0  419    9.00000   31.00000   244%     -   25s
H    0     0                      10.0000000   31.00000   210%     -   39s
     0     0   31.00000    0  471   10.00000   31.00000   210%     -   39s
H    0     0                      11.0000000   31.00000   182%     -   39s
     0     0   31.00000    0  466   11.00000   31.00000   182%     -   39s
     0     0   31.00000    0  420   11.00000   31.00000   182%     -   47s
     0     0   31.00000    0  420   11.00000   31.00000   182%     -   49s

Cutting planes:
  Gomory: 1
  Cover: 1
  Clique: 1
  MIR: 27
  Zero half: 1
  RLT: 19

Explored 1 nodes (77837 simplex iterations) in 50.02 seconds (46.09 work units)
Thread count was 8 (of 8 available processors)

Solution count 8: 11 10 9 ... 1

Time limit reached
Best objective 1.100000000000e+01, best bound 3.100000000000e+01, gap 181.8182%

Wrote result file './lp_solutions/grafo11575.38.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Fri Nov 22 02:06:38 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo11575.38.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/grafo11575.38.lp
Reading time = 0.07 seconds
: 42888 rows, 1622 columns, 129762 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 42888 rows, 1622 columns and 129762 nonzeros
Model fingerprint: 0x2adac039
Variable types: 38 continuous, 1584 integer (1584 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 5639 rows and 42 columns
Presolve time: 0.27s
Presolved: 37249 rows, 1580 columns, 113233 nonzeros
Variable types: 0 continuous, 1580 integer (1542 binary)
Found heuristic solution: objective 2.0000000
Root relaxation presolved: 20377 rows, 18452 columns, 79489 nonzeros


Root relaxation: objective 3.100000e+01, 1844 iterations, 0.48 seconds (0.46 work units)

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

     0     0   31.00000    0  371    2.00000   31.00000  1450%     -    2s
H    0     0                       5.0000000   31.00000   520%     -    2s
H    0     0                       6.0000000   31.00000   417%     -    2s
H    0     0                       8.0000000   31.00000   288%     -    3s
     0     0   31.00000    0  616    8.00000   31.00000   287%     -    6s
     0     0   31.00000    0  534    8.00000   31.00000   287%     -    7s
     0     0   31.00000    0  453    8.00000   31.00000   287%     -   14s
     0     0   31.00000    0  463    8.00000   31.00000   287%     -   14s
     0     0   31.00000    0  345    8.00000   31.00000   287%     -   20s
     0     0   31.00000    0  342    8.00000   31.00000   287%     -   20s
     0     0   31.00000    0  350    8.00000   31.00000   287%     -   24s
H    0     0                       9.0000000   31.00000   244%     -   25s
     0     0   31.00000    0  419    9.00000   31.00000   244%     -   25s
H    0     0                      10.0000000   31.00000   210%     -   38s
     0     0   31.00000    0  471   10.00000   31.00000   210%     -   38s
H    0     0                      11.0000000   31.00000   182%     -   39s
     0     0   31.00000    0  466   11.00000   31.00000   182%     -   39s
     0     0   31.00000    0  420   11.00000   31.00000   182%     -   46s
     0     0   31.00000    0  420   11.00000   31.00000   182%     -   48s

Cutting planes:
  Gomory: 1
  Cover: 1
  Clique: 1
  MIR: 27
  Zero half: 1
  RLT: 19

Explored 1 nodes (77837 simplex iterations) in 50.03 seconds (47.29 work units)
Thread count was 8 (of 8 available processors)

Solution count 8: 11 10 9 ... 1

Time limit reached
Best objective 1.100000000000e+01, best bound 3.100000000000e+01, gap 181.8182%

Wrote result file './lp_solutions/grafo11575.38.sol'

