
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 14 03:49:59 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo11663.38.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/grafo11663.38.lp
Reading time = 0.31 seconds
: 102580 rows, 2094 columns, 309528 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 102580 rows, 2094 columns and 309528 nonzeros
Model fingerprint: 0xccc94e36
Variable types: 46 continuous, 2048 integer (2048 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 -0.0000000
Presolve removed 31642 rows and 27 columns
Presolve time: 1.16s
Presolved: 70938 rows, 2067 columns, 214972 nonzeros
Variable types: 0 continuous, 2067 integer (2021 binary)
Found heuristic solution: objective 7.0000000
Root relaxation presolved: 2067 rows, 73005 columns, 217039 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   16220    4.9881335e+01   0.000000e+00   2.235132e+05      5s
   37001    4.9814783e+01   0.000000e+00   7.900719e+03     10s
   46284    5.0000000e+01   0.000000e+00   0.000000e+00     13s
   46284    5.0000000e+01   0.000000e+00   0.000000e+00     13s

Root relaxation: objective 5.000000e+01, 46284 iterations, 11.30 seconds (6.09 work units)
Total elapsed time = 22.83s (DegenMoves)
Total elapsed time = 43.38s (DegenMoves)
Total elapsed time = 46.68s (DegenMoves)

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

     0     0   50.00000    0  414    7.00000   50.00000   614%     -   50s

Explored 1 nodes (77003 simplex iterations) in 50.03 seconds (48.98 work units)
Thread count was 8 (of 8 available processors)

Solution count 2: 7 -0 

Time limit reached
Best objective 7.000000000000e+00, best bound 5.000000000000e+01, gap 614.2857%

Wrote result file './lp_solutions/grafo11663.38.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 21 09:12:58 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo11663.38.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/grafo11663.38.lp
Reading time = 0.17 seconds
: 102580 rows, 2094 columns, 309528 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 102580 rows, 2094 columns and 309528 nonzeros
Model fingerprint: 0xccc94e36
Variable types: 46 continuous, 2048 integer (2048 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 -0.0000000
Presolve removed 31642 rows and 27 columns
Presolve time: 0.75s
Presolved: 70938 rows, 2067 columns, 214972 nonzeros
Variable types: 0 continuous, 2067 integer (2021 binary)
Found heuristic solution: objective 7.0000000
Root relaxation presolved: 2067 rows, 73005 columns, 217039 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   24681    4.9832986e+01   0.000000e+00   1.828772e+04      5s
   46284    5.0000000e+01   0.000000e+00   0.000000e+00      9s
   46284    5.0000000e+01   0.000000e+00   0.000000e+00      9s

Root relaxation: objective 5.000000e+01, 46284 iterations, 8.09 seconds (6.09 work units)
Total elapsed time = 17.06s (DegenMoves)
Total elapsed time = 33.81s (DegenMoves)
Total elapsed time = 36.26s (DegenMoves)

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

     0     0   50.00000    0  407    7.00000   50.00000   614%     -   39s
H    0     0                       9.0000000   50.00000   456%     -   39s
H    0     0                      11.0000000   50.00000   355%     -   40s
     0     0          -    0        11.00000   50.00000   355%     -   50s

Cutting planes:
  Gomory: 21
  Cover: 43
  Clique: 56
  MIR: 253
  GUB cover: 5
  Zero half: 62
  RLT: 73
  BQP: 11

Explored 1 nodes (84015 simplex iterations) in 50.07 seconds (58.69 work units)
Thread count was 8 (of 8 available processors)

Solution count 4: 11 9 7 -0 

Time limit reached
Best objective 1.100000000000e+01, best bound 5.000000000000e+01, gap 354.5455%

Wrote result file './lp_solutions/grafo11663.38.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Fri Nov 22 02:08:19 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo11663.38.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/grafo11663.38.lp
Reading time = 0.16 seconds
: 102580 rows, 2094 columns, 309528 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 102580 rows, 2094 columns and 309528 nonzeros
Model fingerprint: 0xccc94e36
Variable types: 46 continuous, 2048 integer (2048 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 -0.0000000
Presolve removed 31642 rows and 27 columns
Presolve time: 0.73s
Presolved: 70938 rows, 2067 columns, 214972 nonzeros
Variable types: 0 continuous, 2067 integer (2021 binary)
Found heuristic solution: objective 7.0000000
Root relaxation presolved: 2067 rows, 73005 columns, 217039 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   25737    4.9830011e+01   0.000000e+00   2.630383e+04      5s
   46284    5.0000000e+01   0.000000e+00   0.000000e+00      9s
   46284    5.0000000e+01   0.000000e+00   0.000000e+00      9s

Root relaxation: objective 5.000000e+01, 46284 iterations, 7.80 seconds (6.09 work units)
Total elapsed time = 16.45s (DegenMoves)
Total elapsed time = 32.76s (DegenMoves)
Total elapsed time = 35.16s (DegenMoves)

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

     0     0   50.00000    0  407    7.00000   50.00000   614%     -   38s
H    0     0                       9.0000000   50.00000   456%     -   38s
H    0     0                      11.0000000   50.00000   355%     -   39s
     0     0          -    0        11.00000   50.00000   355%     -   50s

Cutting planes:
  Gomory: 21
  Cover: 43
  Clique: 56
  MIR: 253
  GUB cover: 5
  Zero half: 62
  RLT: 73
  BQP: 11

Explored 1 nodes (85100 simplex iterations) in 50.08 seconds (60.22 work units)
Thread count was 8 (of 8 available processors)

Solution count 4: 11 9 7 -0 

Time limit reached
Best objective 1.100000000000e+01, best bound 5.000000000000e+01, gap 354.5455%

Wrote result file './lp_solutions/grafo11663.38.sol'

