
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 14 07:28:52 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5290.38.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/grafo5290.38.lp
Reading time = 0.14 seconds
: 66942 rows, 1873 columns, 202361 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 66942 rows, 1873 columns and 202361 nonzeros
Model fingerprint: 0x5c7b517e
Variable types: 43 continuous, 1830 integer (1830 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 14636 rows and 28 columns
Presolve time: 0.76s
Presolved: 52306 rows, 1845 columns, 158743 nonzeros
Variable types: 0 continuous, 1845 integer (1802 binary)
Found heuristic solution: objective 9.0000000
Root relaxation presolved: 1845 rows, 54151 columns, 160588 nonzeros


Root relaxation: objective 3.900000e+01, 1792 iterations, 0.64 seconds (0.39 work units)
Total elapsed time = 5.38s (DegenMoves)

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

     0     0   39.00000    0  424    9.00000   39.00000   333%     -    8s
     0     0   39.00000    0  676    9.00000   39.00000   333%     -   22s
     0     0   39.00000    0  690    9.00000   39.00000   333%     -   22s
     0     0   39.00000    0  675    9.00000   39.00000   333%     -   50s

Cutting planes:
  Gomory: 6
  Cover: 15
  Clique: 11
  MIR: 109
  StrongCG: 1
  GUB cover: 2
  Zero half: 46
  RLT: 56
  BQP: 1

Explored 1 nodes (36063 simplex iterations) in 50.08 seconds (33.20 work units)
Thread count was 8 (of 8 available processors)

Solution count 1: 9 

Time limit reached
Best objective 9.000000000000e+00, best bound 3.900000000000e+01, gap 333.3333%

Wrote result file './lp_solutions/grafo5290.38.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 21 09:33:05 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5290.38.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/grafo5290.38.lp
Reading time = 0.12 seconds
: 66942 rows, 1873 columns, 202361 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 66942 rows, 1873 columns and 202361 nonzeros
Model fingerprint: 0x5c7b517e
Variable types: 43 continuous, 1830 integer (1830 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 14636 rows and 28 columns
Presolve time: 0.53s
Presolved: 52306 rows, 1845 columns, 158743 nonzeros
Variable types: 0 continuous, 1845 integer (1802 binary)
Found heuristic solution: objective 9.0000000
Root relaxation presolved: 1845 rows, 54151 columns, 160588 nonzeros


Root relaxation: objective 3.900000e+01, 1792 iterations, 0.43 seconds (0.39 work units)
Total elapsed time = 6.04s (DegenMoves)

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

     0     0   39.00000    0  424    9.00000   39.00000   333%     -    7s
     0     0   39.00000    0  676    9.00000   39.00000   333%     -   17s
     0     0   39.00000    0  690    9.00000   39.00000   333%     -   17s
     0     0   39.00000    0  650    9.00000   39.00000   333%     -   50s

Cutting planes:
  Gomory: 6
  Cover: 15
  Clique: 11
  MIR: 109
  StrongCG: 1
  GUB cover: 2
  Zero half: 46
  RLT: 56
  BQP: 1

Explored 1 nodes (43902 simplex iterations) in 50.05 seconds (44.68 work units)
Thread count was 8 (of 8 available processors)

Solution count 1: 9 

Time limit reached
Best objective 9.000000000000e+00, best bound 3.900000000000e+01, gap 333.3333%

Wrote result file './lp_solutions/grafo5290.38.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Fri Nov 22 02:28:25 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5290.38.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/grafo5290.38.lp
Reading time = 0.11 seconds
: 66942 rows, 1873 columns, 202361 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 66942 rows, 1873 columns and 202361 nonzeros
Model fingerprint: 0x5c7b517e
Variable types: 43 continuous, 1830 integer (1830 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 14636 rows and 28 columns
Presolve time: 0.45s
Presolved: 52306 rows, 1845 columns, 158743 nonzeros
Variable types: 0 continuous, 1845 integer (1802 binary)
Found heuristic solution: objective 9.0000000
Root relaxation presolved: 1845 rows, 54151 columns, 160588 nonzeros


Root relaxation: objective 3.900000e+01, 1792 iterations, 0.36 seconds (0.39 work units)
Total elapsed time = 5.33s (DegenMoves)

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

     0     0   39.00000    0  424    9.00000   39.00000   333%     -    6s
     0     0   39.00000    0  676    9.00000   39.00000   333%     -   15s
     0     0   39.00000    0  690    9.00000   39.00000   333%     -   15s
H    0     0                      10.0000000   39.00000   290%     -   50s
H    0     0                      11.0000000   39.00000   255%     -   50s
H    0     0                      12.0000000   39.00000   225%     -   50s
     0     0   39.00000    0  650   12.00000   39.00000   225%     -   50s

Cutting planes:
  Gomory: 2
  Cover: 2
  Clique: 11
  MIR: 31
  Zero half: 5
  RLT: 23

Explored 1 nodes (49406 simplex iterations) in 50.08 seconds (52.97 work units)
Thread count was 8 (of 8 available processors)

Solution count 4: 12 11 10 9 

Time limit reached
Best objective 1.200000000000e+01, best bound 3.900000000000e+01, gap 225.0000%

Wrote result file './lp_solutions/grafo5290.38.sol'

