
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 11:05:25 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo10621.37.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/grafo10621.37.lp
Reading time = 0.11 seconds
: 64726 rows, 1947 columns, 195867 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 64726 rows, 1947 columns and 195867 nonzeros
Model fingerprint: 0x404a844f
Variable types: 45 continuous, 1902 integer (1902 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 4.0000000
Presolve removed 12007 rows and 33 columns
Presolve time: 0.47s
Presolved: 52719 rows, 1914 columns, 160233 nonzeros
Variable types: 0 continuous, 1914 integer (1869 binary)
Found heuristic solution: objective 11.0000000
Root relaxation presolved: 1911 rows, 54630 columns, 162147 nonzeros


Root relaxation: objective 3.900000e+01, 1391 iterations, 0.27 seconds (0.23 work units)

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

     0     0   39.00000    0  232   11.00000   39.00000   255%     -    1s
H    0     0                      13.0000000   39.00000   200%     -    2s
H    0     0                      15.0000000   39.00000   160%     -    2s
     0     0   39.00000    0  514   15.00000   39.00000   160%     -    7s
H    0     0                      16.0000000   39.00000   144%     -    7s
     0     0   39.00000    0  499   16.00000   39.00000   144%     -    7s
     0     0   39.00000    0  401   16.00000   39.00000   144%     -   21s
     0     0   39.00000    0  422   16.00000   39.00000   144%     -   22s
H    0     0                      17.0000000   39.00000   129%     -   40s
     0     0   39.00000    0  519   17.00000   39.00000   129%     -   40s
     0     0   39.00000    0  509   17.00000   39.00000   129%     -   42s
     0     0   39.00000    0  640   17.00000   39.00000   129%     -   50s

Cutting planes:
  Lift-and-project: 1
  Cover: 27
  Clique: 9
  MIR: 119
  GUB cover: 4
  Zero half: 30
  RLT: 50

Explored 1 nodes (42539 simplex iterations) in 50.06 seconds (35.91 work units)
Thread count was 8 (of 8 available processors)

Solution count 6: 17 16 15 ... 4

Time limit reached
Best objective 1.700000000000e+01, best bound 3.900000000000e+01, gap 129.4118%

Wrote result file './lp_solutions/grafo10621.37.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 14 02:11:20 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo10621.37.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/grafo10621.37.lp
Reading time = 0.13 seconds
: 64726 rows, 1947 columns, 195867 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 64726 rows, 1947 columns and 195867 nonzeros
Model fingerprint: 0x404a844f
Variable types: 45 continuous, 1902 integer (1902 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 4.0000000
Presolve removed 12007 rows and 33 columns
Presolve time: 0.66s
Presolved: 52719 rows, 1914 columns, 160233 nonzeros
Variable types: 0 continuous, 1914 integer (1869 binary)
Found heuristic solution: objective 11.0000000
Root relaxation presolved: 1911 rows, 54630 columns, 162147 nonzeros


Root relaxation: objective 3.900000e+01, 1391 iterations, 0.46 seconds (0.23 work units)

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

     0     0   39.00000    0  232   11.00000   39.00000   255%     -    2s
H    0     0                      13.0000000   39.00000   200%     -    2s
H    0     0                      15.0000000   39.00000   160%     -    3s
     0     0   39.00000    0  514   15.00000   39.00000   160%     -    9s
H    0     0                      16.0000000   39.00000   144%     -    9s
     0     0   39.00000    0  499   16.00000   39.00000   144%     -    9s
     0     0   39.00000    0  401   16.00000   39.00000   144%     -   27s
     0     0   39.00000    0  422   16.00000   39.00000   144%     -   28s
     0     0   39.00000    0  519   16.00000   39.00000   144%     -   50s

Cutting planes:
  Gomory: 3
  Lift-and-project: 3
  Cover: 29
  Clique: 1
  MIR: 109
  StrongCG: 1
  GUB cover: 6
  Zero half: 25
  RLT: 48
  Relax-and-lift: 1

Explored 1 nodes (35130 simplex iterations) in 50.11 seconds (28.98 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 16 15 13 ... 4

Time limit reached
Best objective 1.600000000000e+01, best bound 3.900000000000e+01, gap 143.7500%

Wrote result file './lp_solutions/grafo10621.37.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 21 08:01:45 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo10621.37.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/grafo10621.37.lp
Reading time = 0.11 seconds
: 64726 rows, 1947 columns, 195867 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 64726 rows, 1947 columns and 195867 nonzeros
Model fingerprint: 0x404a844f
Variable types: 45 continuous, 1902 integer (1902 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 4.0000000
Presolve removed 12007 rows and 33 columns
Presolve time: 0.46s
Presolved: 52719 rows, 1914 columns, 160233 nonzeros
Variable types: 0 continuous, 1914 integer (1869 binary)
Found heuristic solution: objective 11.0000000
Root relaxation presolved: 1911 rows, 54630 columns, 162147 nonzeros


Root relaxation: objective 3.900000e+01, 1391 iterations, 0.26 seconds (0.23 work units)

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

     0     0   39.00000    0  232   11.00000   39.00000   255%     -    1s
H    0     0                      13.0000000   39.00000   200%     -    1s
H    0     0                      15.0000000   39.00000   160%     -    2s
     0     0   39.00000    0  514   15.00000   39.00000   160%     -    6s
H    0     0                      16.0000000   39.00000   144%     -    6s
     0     0   39.00000    0  499   16.00000   39.00000   144%     -    6s
     0     0   39.00000    0  401   16.00000   39.00000   144%     -   18s
     0     0   39.00000    0  422   16.00000   39.00000   144%     -   19s
H    0     0                      17.0000000   39.00000   129%     -   34s
     0     0   39.00000    0  519   17.00000   39.00000   129%     -   34s
     0     0   39.00000    0  509   17.00000   39.00000   129%     -   35s
     0     0   39.00000    0  640   17.00000   39.00000   129%     -   50s

Cutting planes:
  Lift-and-project: 1
  Cover: 27
  Clique: 9
  MIR: 119
  GUB cover: 4
  Zero half: 30
  RLT: 50

Explored 1 nodes (49510 simplex iterations) in 50.05 seconds (42.17 work units)
Thread count was 8 (of 8 available processors)

Solution count 6: 17 16 15 ... 4

Time limit reached
Best objective 1.700000000000e+01, best bound 3.900000000000e+01, gap 129.4118%

Wrote result file './lp_solutions/grafo10621.37.sol'

