
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 07:44:06 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo7365.45.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/grafo7365.45.lp
Reading time = 0.15 seconds
: 62002 rows, 2181 columns, 187638 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 62002 rows, 2181 columns and 187638 nonzeros
Model fingerprint: 0x57b261cf
Variable types: 45 continuous, 2136 integer (2136 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 3335 rows and 35 columns
Presolve time: 0.67s
Presolved: 58667 rows, 2146 columns, 177947 nonzeros
Variable types: 0 continuous, 2146 integer (2101 binary)
Found heuristic solution: objective 5.0000000
Root relaxation presolved: 30287 rows, 30526 columns, 121187 nonzeros


Root relaxation: objective 3.000000e+01, 3057 iterations, 1.68 seconds (0.94 work units)
Total elapsed time = 5.04s (DegenMoves)

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

     0     0   30.00000    0  403    5.00000   30.00000   500%     -    5s
H    0     0                       7.0000000   30.00000   329%     -    5s
H    0     0                       8.0000000   30.00000   275%     -    5s
H    0     0                       9.0000000   30.00000   233%     -    8s
H    0     0                      10.0000000   30.00000   200%     -    8s
     0     0   30.00000    0  590   10.00000   30.00000   200%     -   13s
     0     0   30.00000    0  524   10.00000   30.00000   200%     -   15s
H    0     0                      11.0000000   30.00000   173%     -   37s
H    0     0                      12.0000000   30.00000   150%     -   37s
H    0     0                      13.0000000   30.00000   131%     -   37s
H    0     0                      14.0000000   30.00000   114%     -   37s
H    0     0                      15.0000000   30.00000   100%     -   37s
     0     0   29.00000    0  387   15.00000   29.00000  93.3%     -   37s
     0     0   29.00000    0  424   15.00000   29.00000  93.3%     -   39s
     0     0   29.00000    0  495   15.00000   29.00000  93.3%     -   50s

Cutting planes:
  Gomory: 1
  Lift-and-project: 2
  Cover: 10
  Clique: 1
  MIR: 99
  GUB cover: 1
  Zero half: 28
  RLT: 28

Explored 1 nodes (36444 simplex iterations) in 50.12 seconds (26.64 work units)
Thread count was 8 (of 8 available processors)

Solution count 10: 15 14 13 ... 5

Time limit reached
Best objective 1.500000000000e+01, best bound 2.900000000000e+01, gap 93.3333%

Wrote result file './lp_solutions/grafo7365.45.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 18 05:13:47 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo7365.45.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/grafo7365.45.lp
Reading time = 0.14 seconds
: 62002 rows, 2181 columns, 187638 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 62002 rows, 2181 columns and 187638 nonzeros
Model fingerprint: 0x57b261cf
Variable types: 45 continuous, 2136 integer (2136 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 3335 rows and 35 columns
Presolve time: 0.76s
Presolved: 58667 rows, 2146 columns, 177947 nonzeros
Variable types: 0 continuous, 2146 integer (2101 binary)
Found heuristic solution: objective 5.0000000
Root relaxation presolved: 30287 rows, 30526 columns, 121187 nonzeros


Root relaxation: objective 3.000000e+01, 3057 iterations, 1.56 seconds (0.94 work units)
Total elapsed time = 5.37s (DegenMoves)

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

     0     0   30.00000    0  403    5.00000   30.00000   500%     -    6s
H    0     0                       7.0000000   30.00000   329%     -    6s
H    0     0                       8.0000000   30.00000   275%     -    6s
H    0     0                       9.0000000   30.00000   233%     -    9s
H    0     0                      10.0000000   30.00000   200%     -    9s
     0     0   30.00000    0  590   10.00000   30.00000   200%     -   13s
     0     0   30.00000    0  524   10.00000   30.00000   200%     -   15s
H    0     0                      11.0000000   30.00000   173%     -   40s
H    0     0                      12.0000000   30.00000   150%     -   40s
H    0     0                      13.0000000   30.00000   131%     -   40s
H    0     0                      14.0000000   30.00000   114%     -   40s
H    0     0                      15.0000000   30.00000   100%     -   40s
     0     0   29.00000    0  387   15.00000   29.00000  93.3%     -   40s
     0     0   29.00000    0  424   15.00000   29.00000  93.3%     -   42s
     0     0   29.00000    0  495   15.00000   29.00000  93.3%     -   50s

Cutting planes:
  Gomory: 1
  Lift-and-project: 2
  Cover: 10
  Clique: 1
  MIR: 99
  GUB cover: 1
  Zero half: 28
  RLT: 28

Explored 1 nodes (33487 simplex iterations) in 50.11 seconds (24.91 work units)
Thread count was 8 (of 8 available processors)

Solution count 10: 15 14 13 ... 5

Time limit reached
Best objective 1.500000000000e+01, best bound 2.900000000000e+01, gap 93.3333%

Wrote result file './lp_solutions/grafo7365.45.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 20 06:16:35 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo7365.45.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/grafo7365.45.lp
Reading time = 0.12 seconds
: 62002 rows, 2181 columns, 187638 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 62002 rows, 2181 columns and 187638 nonzeros
Model fingerprint: 0x57b261cf
Variable types: 45 continuous, 2136 integer (2136 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 3335 rows and 35 columns
Presolve time: 0.51s
Presolved: 58667 rows, 2146 columns, 177947 nonzeros
Variable types: 0 continuous, 2146 integer (2101 binary)
Found heuristic solution: objective 5.0000000
Root relaxation presolved: 30287 rows, 30526 columns, 121187 nonzeros


Root relaxation: objective 3.000000e+01, 3057 iterations, 1.32 seconds (0.94 work units)

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

     0     0   30.00000    0  403    5.00000   30.00000   500%     -    4s
H    0     0                       7.0000000   30.00000   329%     -    4s
H    0     0                       8.0000000   30.00000   275%     -    4s
H    0     0                       9.0000000   30.00000   233%     -    7s
H    0     0                      10.0000000   30.00000   200%     -    7s
     0     0   30.00000    0  590   10.00000   30.00000   200%     -   10s
     0     0   30.00000    0  524   10.00000   30.00000   200%     -   11s
H    0     0                      11.0000000   30.00000   173%     -   31s
H    0     0                      12.0000000   30.00000   150%     -   31s
H    0     0                      13.0000000   30.00000   131%     -   31s
H    0     0                      14.0000000   30.00000   114%     -   31s
H    0     0                      15.0000000   30.00000   100%     -   31s
     0     0   29.00000    0  387   15.00000   29.00000  93.3%     -   31s
     0     0   29.00000    0  424   15.00000   29.00000  93.3%     -   33s
     0     0   28.66667    0  436   15.00000   28.66667  91.1%     -   50s

Cutting planes:
  Lift-and-project: 1
  Cover: 1
  Clique: 1
  MIR: 20
  Zero half: 3
  RLT: 12

Explored 1 nodes (42383 simplex iterations) in 50.16 seconds (31.57 work units)
Thread count was 8 (of 8 available processors)

Solution count 10: 15 14 13 ... 5

Time limit reached
Best objective 1.500000000000e+01, best bound 2.800000000000e+01, gap 86.6667%

Wrote result file './lp_solutions/grafo7365.45.sol'

