
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 11:35:00 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo11167.37.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/grafo11167.37.lp
Reading time = 0.16 seconds
: 57568 rows, 1854 columns, 174227 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 57568 rows, 1854 columns and 174227 nonzeros
Model fingerprint: 0x83f64633
Variable types: 43 continuous, 1811 integer (1811 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 10784 rows and 30 columns
Presolve time: 0.58s
Presolved: 46784 rows, 1824 columns, 142190 nonzeros
Variable types: 0 continuous, 1824 integer (1781 binary)
Found heuristic solution: objective 6.0000000
Root relaxation presolved: 26673 rows, 21935 columns, 101968 nonzeros


Root relaxation: objective 4.300000e+01, 1477 iterations, 0.45 seconds (0.38 work units)

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

     0     0   43.00000    0  389    6.00000   43.00000   617%     -    1s
H    0     0                      10.0000000   43.00000   330%     -    1s
H    0     0                      11.0000000   43.00000   291%     -    2s
H    0     0                      15.0000000   43.00000   187%     -    2s
     0     0   42.00000    0  613   15.00000   42.00000   180%     -    8s
     0     0   42.00000    0  595   15.00000   42.00000   180%     -    9s
H    0     0                      16.0000000   42.00000   162%     -   11s
H    0     0                      17.0000000   42.00000   147%     -   30s
     0     0   42.00000    0  511   17.00000   42.00000   147%     -   30s
     0     0   42.00000    0  633   17.00000   42.00000   147%     -   35s
     0     0   42.00000    0  710   17.00000   42.00000   147%     -   50s

Cutting planes:
  Gomory: 2
  Cover: 18
  Clique: 12
  MIR: 165
  StrongCG: 4
  GUB cover: 2
  Zero half: 64
  RLT: 66

Explored 1 nodes (44562 simplex iterations) in 50.06 seconds (38.60 work units)
Thread count was 8 (of 8 available processors)

Solution count 6: 17 16 15 ... 6

Time limit reached
Best objective 1.700000000000e+01, best bound 4.200000000000e+01, gap 147.0588%

Wrote result file './lp_solutions/grafo11167.37.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 14 02:32:17 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo11167.37.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/grafo11167.37.lp
Reading time = 0.13 seconds
: 57568 rows, 1854 columns, 174227 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 57568 rows, 1854 columns and 174227 nonzeros
Model fingerprint: 0x83f64633
Variable types: 43 continuous, 1811 integer (1811 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 10784 rows and 30 columns
Presolve time: 0.59s
Presolved: 46784 rows, 1824 columns, 142190 nonzeros
Variable types: 0 continuous, 1824 integer (1781 binary)
Found heuristic solution: objective 6.0000000
Root relaxation presolved: 26673 rows, 21935 columns, 101968 nonzeros


Root relaxation: objective 4.300000e+01, 1477 iterations, 0.67 seconds (0.38 work units)

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

     0     0   43.00000    0  389    6.00000   43.00000   617%     -    2s
H    0     0                      10.0000000   43.00000   330%     -    2s
H    0     0                      11.0000000   43.00000   291%     -    2s
H    0     0                      15.0000000   43.00000   187%     -    4s
     0     0   42.00000    0  613   15.00000   42.00000   180%     -   11s
     0     0   42.00000    0  595   15.00000   42.00000   180%     -   13s
H    0     0                      16.0000000   42.00000   162%     -   16s
H    0     0                      17.0000000   42.00000   147%     -   40s
     0     0   42.00000    0  511   17.00000   42.00000   147%     -   40s
     0     0   42.00000    0  633   17.00000   42.00000   147%     -   47s
     0     0          -    0        17.00000   42.00000   147%     -   50s

Cutting planes:
  Gomory: 2
  Cover: 18
  Clique: 12
  MIR: 165
  StrongCG: 4
  GUB cover: 2
  Zero half: 64
  RLT: 66

Explored 1 nodes (32657 simplex iterations) in 50.08 seconds (28.65 work units)
Thread count was 8 (of 8 available processors)

Solution count 6: 17 16 15 ... 6

Time limit reached
Best objective 1.700000000000e+01, best bound 4.200000000000e+01, gap 147.0588%

Wrote result file './lp_solutions/grafo11167.37.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 21 08:05:56 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo11167.37.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/grafo11167.37.lp
Reading time = 0.10 seconds
: 57568 rows, 1854 columns, 174227 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 57568 rows, 1854 columns and 174227 nonzeros
Model fingerprint: 0x83f64633
Variable types: 43 continuous, 1811 integer (1811 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 10784 rows and 30 columns
Presolve time: 0.39s
Presolved: 46784 rows, 1824 columns, 142190 nonzeros
Variable types: 0 continuous, 1824 integer (1781 binary)
Found heuristic solution: objective 6.0000000
Root relaxation presolved: 26673 rows, 21935 columns, 101968 nonzeros


Root relaxation: objective 4.300000e+01, 1477 iterations, 0.42 seconds (0.38 work units)

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

     0     0   43.00000    0  389    6.00000   43.00000   617%     -    1s
H    0     0                      10.0000000   43.00000   330%     -    1s
H    0     0                      11.0000000   43.00000   291%     -    1s
H    0     0                      15.0000000   43.00000   187%     -    2s
     0     0   42.00000    0  613   15.00000   42.00000   180%     -    7s
     0     0   42.00000    0  595   15.00000   42.00000   180%     -    8s
H    0     0                      16.0000000   42.00000   162%     -   10s
H    0     0                      17.0000000   42.00000   147%     -   28s
     0     0   42.00000    0  511   17.00000   42.00000   147%     -   28s
     0     0   42.00000    0  633   17.00000   42.00000   147%     -   32s
H    0     0                      18.0000000   42.00000   133%     -   50s
     0     0   42.00000    0  710   18.00000   42.00000   133%     -   50s

Cutting planes:
  Gomory: 1
  Cover: 4
  Clique: 10
  MIR: 55
  StrongCG: 1
  GUB cover: 1
  Zero half: 7
  RLT: 38

Explored 1 nodes (48571 simplex iterations) in 50.11 seconds (43.09 work units)
Thread count was 8 (of 8 available processors)

Solution count 7: 18 17 16 ... 6

Time limit reached
Best objective 1.800000000000e+01, best bound 4.200000000000e+01, gap 133.3333%

Wrote result file './lp_solutions/grafo11167.37.sol'

