
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 14 03:52:30 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo1174.33.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/grafo1174.33.lp
Reading time = 0.15 seconds
: 69205 rows, 1525 columns, 208824 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 69205 rows, 1525 columns and 208824 nonzeros
Model fingerprint: 0x64137dba
Variable types: 38 continuous, 1487 integer (1487 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 23898 rows and 22 columns
Presolve time: 0.82s
Presolved: 45307 rows, 1503 columns, 137438 nonzeros
Variable types: 0 continuous, 1503 integer (1465 binary)
Found heuristic solution: objective 3.0000000
Root relaxation presolved: 1503 rows, 46810 columns, 138941 nonzeros


Root relaxation: objective 3.900000e+01, 2468 iterations, 0.96 seconds (0.76 work units)
Total elapsed time = 5.63s (DegenMoves)

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

     0     0   39.00000    0  403    3.00000   39.00000  1200%     -    6s
H    0     0                       7.0000000   39.00000   457%     -    6s
H    0     0                      10.0000000   39.00000   290%     -    6s
     0     0   39.00000    0  439   10.00000   39.00000   290%     -   12s
H    0     0                      11.0000000   39.00000   255%     -   13s
     0     0   39.00000    0  432   11.00000   39.00000   255%     -   13s
     0     0   38.00000    0  383   11.00000   38.00000   245%     -   29s
     0     0   38.00000    0  347   11.00000   38.00000   245%     -   30s
H    0     0                      12.0000000   38.00000   217%     -   44s
H    0     0                      14.0000000   38.00000   171%     -   44s
     0     0   38.00000    0  413   14.00000   38.00000   171%     -   44s
     0     0   38.00000    0  415   14.00000   38.00000   171%     -   45s
     0     0   38.00000    0  471   14.00000   38.00000   171%     -   50s

Cutting planes:
  Cover: 32
  Clique: 25
  MIR: 124
  StrongCG: 2
  Zero half: 37
  RLT: 65
  BQP: 1

Explored 1 nodes (36078 simplex iterations) in 50.08 seconds (31.89 work units)
Thread count was 8 (of 8 available processors)

Solution count 6: 14 12 11 ... 3

Time limit reached
Best objective 1.400000000000e+01, best bound 3.800000000000e+01, gap 171.4286%

Wrote result file './lp_solutions/grafo1174.33.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 18 11:34:19 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo1174.33.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/grafo1174.33.lp
Reading time = 0.11 seconds
: 69205 rows, 1525 columns, 208824 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 69205 rows, 1525 columns and 208824 nonzeros
Model fingerprint: 0x64137dba
Variable types: 38 continuous, 1487 integer (1487 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 23898 rows and 22 columns
Presolve time: 0.47s
Presolved: 45307 rows, 1503 columns, 137438 nonzeros
Variable types: 0 continuous, 1503 integer (1465 binary)
Found heuristic solution: objective 3.0000000
Root relaxation presolved: 1503 rows, 46810 columns, 138941 nonzeros


Root relaxation: objective 3.900000e+01, 2468 iterations, 0.62 seconds (0.76 work units)

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

     0     0   39.00000    0  403    3.00000   39.00000  1200%     -    4s
H    0     0                       7.0000000   39.00000   457%     -    4s
H    0     0                      10.0000000   39.00000   290%     -    4s
     0     0   39.00000    0  439   10.00000   39.00000   290%     -    8s
H    0     0                      11.0000000   39.00000   255%     -    9s
     0     0   39.00000    0  432   11.00000   39.00000   255%     -    9s
     0     0   38.00000    0  383   11.00000   38.00000   245%     -   20s
     0     0   38.00000    0  347   11.00000   38.00000   245%     -   21s
H    0     0                      12.0000000   38.00000   217%     -   30s
H    0     0                      14.0000000   38.00000   171%     -   30s
     0     0   38.00000    0  413   14.00000   38.00000   171%     -   30s
     0     0   38.00000    0  415   14.00000   38.00000   171%     -   31s
     0     0   38.00000    0  296   14.00000   38.00000   171%     -   45s
     0     0   38.00000    0  337   14.00000   38.00000   171%     -   45s
     0     0   38.00000    0  476   14.00000   38.00000   171%     -   50s

Cutting planes:
  Cover: 25
  Clique: 20
  MIR: 175
  StrongCG: 2
  GUB cover: 3
  Zero half: 36
  RLT: 61
  BQP: 2

Explored 1 nodes (51697 simplex iterations) in 50.05 seconds (45.51 work units)
Thread count was 8 (of 8 available processors)

Solution count 6: 14 12 11 ... 3

Time limit reached
Best objective 1.400000000000e+01, best bound 3.800000000000e+01, gap 171.4286%

Wrote result file './lp_solutions/grafo1174.33.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 21 04:37:27 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo1174.33.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/grafo1174.33.lp
Reading time = 0.12 seconds
: 69205 rows, 1525 columns, 208824 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 69205 rows, 1525 columns and 208824 nonzeros
Model fingerprint: 0x64137dba
Variable types: 38 continuous, 1487 integer (1487 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 23898 rows and 22 columns
Presolve time: 0.46s
Presolved: 45307 rows, 1503 columns, 137438 nonzeros
Variable types: 0 continuous, 1503 integer (1465 binary)
Found heuristic solution: objective 3.0000000
Root relaxation presolved: 1503 rows, 46810 columns, 138941 nonzeros


Root relaxation: objective 3.900000e+01, 2468 iterations, 0.63 seconds (0.76 work units)

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

     0     0   39.00000    0  403    3.00000   39.00000  1200%     -    4s
H    0     0                       7.0000000   39.00000   457%     -    4s
H    0     0                      10.0000000   39.00000   290%     -    4s
     0     0   39.00000    0  439   10.00000   39.00000   290%     -    8s
H    0     0                      11.0000000   39.00000   255%     -    8s
     0     0   39.00000    0  432   11.00000   39.00000   255%     -    9s
     0     0   38.00000    0  383   11.00000   38.00000   245%     -   20s
     0     0   38.00000    0  347   11.00000   38.00000   245%     -   20s
H    0     0                      12.0000000   38.00000   217%     -   30s
H    0     0                      14.0000000   38.00000   171%     -   30s
     0     0   38.00000    0  413   14.00000   38.00000   171%     -   30s
     0     0   38.00000    0  415   14.00000   38.00000   171%     -   30s
     0     0   38.00000    0  296   14.00000   38.00000   171%     -   44s
     0     0   38.00000    0  337   14.00000   38.00000   171%     -   45s
H    0     0                      15.0000000   38.00000   153%     -   50s
     0     0   38.00000    0  278   15.00000   38.00000   153%     -   50s

Cutting planes:
  Cover: 25
  Clique: 20
  MIR: 175
  StrongCG: 2
  GUB cover: 3
  Zero half: 36
  RLT: 61
  BQP: 2

Explored 1 nodes (53301 simplex iterations) in 50.06 seconds (46.49 work units)
Thread count was 8 (of 8 available processors)

Solution count 7: 15 14 12 ... 3

Time limit reached
Best objective 1.500000000000e+01, best bound 3.800000000000e+01, gap 153.3333%

Wrote result file './lp_solutions/grafo1174.33.sol'

