
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 14 05:14:39 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo2729.40.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/grafo2729.40.lp
Reading time = 0.10 seconds
: 42679 rows, 1559 columns, 128934 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 42679 rows, 1559 columns and 128934 nonzeros
Model fingerprint: 0xeb171941
Variable types: 34 continuous, 1525 integer (1525 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 2.0000000
Presolve removed 6670 rows and 18 columns
Presolve time: 0.45s
Presolved: 36009 rows, 1541 columns, 109180 nonzeros
Variable types: 0 continuous, 1541 integer (1507 binary)
Found heuristic solution: objective 6.0000000
Root relaxation presolved: 20145 rows, 17405 columns, 77452 nonzeros


Root relaxation: objective 3.500000e+01, 2728 iterations, 1.44 seconds (0.89 work units)
Total elapsed time = 5.08s (DegenMoves)

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

     0     0   35.00000    0  346    6.00000   35.00000   483%     -    5s
H    0     0                       8.0000000   35.00000   338%     -    6s
     0     0   35.00000    0  582    8.00000   35.00000   337%     -   11s
H    0     0                       9.0000000   35.00000   289%     -   11s
     0     0   35.00000    0  600    9.00000   35.00000   289%     -   12s
H    0     0                      10.0000000   35.00000   250%     -   21s
     0     0   35.00000    0  461   10.00000   35.00000   250%     -   21s
     0     0   35.00000    0  488   10.00000   35.00000   250%     -   23s
     0     0   35.00000    0  382   10.00000   35.00000   250%     -   42s
     0     0   35.00000    0  407   10.00000   35.00000   250%     -   43s
     0     0   35.00000    0  399   10.00000   35.00000   250%     -   50s

Cutting planes:
  Gomory: 1
  Cover: 29
  Clique: 2
  MIR: 154
  StrongCG: 1
  GUB cover: 4
  Inf proof: 2
  Zero half: 46
  RLT: 53

Explored 1 nodes (56136 simplex iterations) in 50.04 seconds (32.43 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 10 9 8 ... 2

Time limit reached
Best objective 1.000000000000e+01, best bound 3.500000000000e+01, gap 250.0000%

Wrote result file './lp_solutions/grafo2729.40.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Fri Nov 22 03:58:26 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo2729.40.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/grafo2729.40.lp
Reading time = 0.07 seconds
: 42679 rows, 1559 columns, 128934 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 42679 rows, 1559 columns and 128934 nonzeros
Model fingerprint: 0xeb171941
Variable types: 34 continuous, 1525 integer (1525 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 2.0000000
Presolve removed 6670 rows and 18 columns
Presolve time: 0.26s
Presolved: 36009 rows, 1541 columns, 109180 nonzeros
Variable types: 0 continuous, 1541 integer (1507 binary)
Found heuristic solution: objective 6.0000000
Root relaxation presolved: 20145 rows, 17405 columns, 77452 nonzeros


Root relaxation: objective 3.500000e+01, 2728 iterations, 0.92 seconds (0.89 work units)

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

     0     0   35.00000    0  346    6.00000   35.00000   483%     -    3s
H    0     0                       8.0000000   35.00000   338%     -    4s
     0     0   35.00000    0  582    8.00000   35.00000   337%     -    7s
H    0     0                       9.0000000   35.00000   289%     -    7s
     0     0   35.00000    0  600    9.00000   35.00000   289%     -    7s
H    0     0                      10.0000000   35.00000   250%     -   14s
     0     0   35.00000    0  461   10.00000   35.00000   250%     -   14s
     0     0   35.00000    0  488   10.00000   35.00000   250%     -   15s
     0     0   35.00000    0  382   10.00000   35.00000   250%     -   28s
     0     0   35.00000    0  407   10.00000   35.00000   250%     -   28s
H    0     0                      11.0000000   35.00000   218%     -   36s
H    0     0                      12.0000000   35.00000   192%     -   37s
     0     0   35.00000    0  361   12.00000   35.00000   192%     -   37s
     0     0   35.00000    0  337   12.00000   35.00000   192%     -   37s
     0     0   35.00000    0  421   12.00000   35.00000   192%     -   43s
H    0     0                      13.0000000   35.00000   169%     -   44s
     0     0   35.00000    0  451   13.00000   35.00000   169%     -   44s
     0     0   35.00000    0  325   13.00000   35.00000   169%     -   49s
     0     0   35.00000    0  325   13.00000   35.00000   169%     -   50s

Cutting planes:
  Cover: 1
  Clique: 2
  MIR: 23
  Zero half: 1
  RLT: 18

Explored 1 nodes (84615 simplex iterations) in 50.02 seconds (47.83 work units)
Thread count was 8 (of 8 available processors)

Solution count 8: 13 12 11 ... 2

Time limit reached
Best objective 1.300000000000e+01, best bound 3.500000000000e+01, gap 169.2308%

Wrote result file './lp_solutions/grafo2729.40.sol'

