
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 14 03:01:20 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo11452.38.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/grafo11452.38.lp
Reading time = 0.14 seconds
: 71798 rows, 2145 columns, 217351 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 71798 rows, 2145 columns and 217351 nonzeros
Model fingerprint: 0x00fda2a2
Variable types: 48 continuous, 2097 integer (2097 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 12159 rows and 28 columns
Presolve time: 0.68s
Presolved: 59639 rows, 2117 columns, 181257 nonzeros
Variable types: 0 continuous, 2117 integer (2069 binary)
Found heuristic solution: objective 7.0000000
Root relaxation presolved: 2114 rows, 61753 columns, 183374 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   18961    4.7949355e+01   0.000000e+00   5.760564e+03      5s
   21839    4.8000000e+01   0.000000e+00   0.000000e+00      6s
   21839    4.8000000e+01   0.000000e+00   0.000000e+00      6s
   21839    4.8000000e+01   0.000000e+00   0.000000e+00      6s

Root relaxation: objective 4.800000e+01, 21839 iterations, 5.04 seconds (2.77 work units)
Total elapsed time = 14.19s (DegenMoves)
Total elapsed time = 17.56s (DegenMoves)

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

     0     0   48.00000    0  530    7.00000   48.00000   586%     -   18s
H    0     0                       9.0000000   48.00000   433%     -   18s
H    0     0                      10.0000000   48.00000   380%     -   18s
H    0     0                      11.0000000   48.00000   336%     -   21s
H    0     0                      12.0000000   48.00000   300%     -   33s
     0     0   48.00000    0  748   12.00000   48.00000   300%     -   33s
     0     0   48.00000    0  733   12.00000   48.00000   300%     -   35s
     0     0          -    0        12.00000   48.00000   300%     -   50s

Cutting planes:
  Gomory: 5
  Lift-and-project: 37
  Cover: 21
  Clique: 2
  MIR: 151
  StrongCG: 4
  GUB cover: 2
  Zero half: 16
  RLT: 58
  BQP: 1
  PSD: 1

Explored 1 nodes (44599 simplex iterations) in 50.10 seconds (30.13 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 12 11 10 ... 7

Time limit reached
Best objective 1.200000000000e+01, best bound 4.800000000000e+01, gap 300.0000%

Wrote result file './lp_solutions/grafo11452.38.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 21 09:09:37 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo11452.38.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/grafo11452.38.lp
Reading time = 0.12 seconds
: 71798 rows, 2145 columns, 217351 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 71798 rows, 2145 columns and 217351 nonzeros
Model fingerprint: 0x00fda2a2
Variable types: 48 continuous, 2097 integer (2097 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 12159 rows and 28 columns
Presolve time: 0.49s
Presolved: 59639 rows, 2117 columns, 181257 nonzeros
Variable types: 0 continuous, 2117 integer (2069 binary)
Found heuristic solution: objective 7.0000000
Root relaxation presolved: 2114 rows, 61753 columns, 183374 nonzeros


Root relaxation: objective 4.800000e+01, 21839 iterations, 3.51 seconds (2.77 work units)
Total elapsed time = 10.53s (DegenMoves)

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

     0     0   48.00000    0  530    7.00000   48.00000   586%     -   13s
H    0     0                       9.0000000   48.00000   433%     -   13s
H    0     0                      10.0000000   48.00000   380%     -   13s
H    0     0                      11.0000000   48.00000   336%     -   15s
H    0     0                      12.0000000   48.00000   300%     -   23s
     0     0   48.00000    0  748   12.00000   48.00000   300%     -   23s
     0     0   48.00000    0  733   12.00000   48.00000   300%     -   25s
     0     0   48.00000    0  755   12.00000   48.00000   300%     -   50s

Cutting planes:
  Gomory: 5
  Lift-and-project: 37
  Cover: 21
  Clique: 2
  MIR: 151
  StrongCG: 4
  GUB cover: 2
  Zero half: 16
  RLT: 58
  BQP: 1
  PSD: 1

Explored 1 nodes (57232 simplex iterations) in 50.07 seconds (41.92 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 12 11 10 ... 7

Time limit reached
Best objective 1.200000000000e+01, best bound 4.800000000000e+01, gap 300.0000%

Wrote result file './lp_solutions/grafo11452.38.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Fri Nov 22 02:04:58 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo11452.38.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/grafo11452.38.lp
Reading time = 0.12 seconds
: 71798 rows, 2145 columns, 217351 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 71798 rows, 2145 columns and 217351 nonzeros
Model fingerprint: 0x00fda2a2
Variable types: 48 continuous, 2097 integer (2097 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 12159 rows and 28 columns
Presolve time: 0.46s
Presolved: 59639 rows, 2117 columns, 181257 nonzeros
Variable types: 0 continuous, 2117 integer (2069 binary)
Found heuristic solution: objective 7.0000000
Root relaxation presolved: 2114 rows, 61753 columns, 183374 nonzeros


Root relaxation: objective 4.800000e+01, 21839 iterations, 3.38 seconds (2.77 work units)
Total elapsed time = 10.25s (DegenMoves)

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

     0     0   48.00000    0  530    7.00000   48.00000   586%     -   13s
H    0     0                       9.0000000   48.00000   433%     -   13s
H    0     0                      10.0000000   48.00000   380%     -   13s
H    0     0                      11.0000000   48.00000   336%     -   14s
H    0     0                      12.0000000   48.00000   300%     -   23s
     0     0   48.00000    0  748   12.00000   48.00000   300%     -   23s
     0     0   48.00000    0  733   12.00000   48.00000   300%     -   24s
     0     0   48.00000    0  755   12.00000   48.00000   300%     -   50s

Cutting planes:
  Gomory: 5
  Lift-and-project: 37
  Cover: 21
  Clique: 2
  MIR: 151
  StrongCG: 4
  GUB cover: 2
  Zero half: 16
  RLT: 58
  BQP: 1
  PSD: 1

Explored 1 nodes (57645 simplex iterations) in 50.08 seconds (42.34 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 12 11 10 ... 7

Time limit reached
Best objective 1.200000000000e+01, best bound 4.800000000000e+01, gap 300.0000%

Wrote result file './lp_solutions/grafo11452.38.sol'

