
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 14 07:15:28 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5218.36.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/grafo5218.36.lp
Reading time = 0.19 seconds
: 75200 rows, 1690 columns, 226894 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 75200 rows, 1690 columns and 226894 nonzeros
Model fingerprint: 0x681fb351
Variable types: 40 continuous, 1650 integer (1650 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 23529 rows and 33 columns
Presolve time: 0.90s
Presolved: 51671 rows, 1657 columns, 156646 nonzeros
Variable types: 0 continuous, 1657 integer (1617 binary)
Found heuristic solution: objective 7.0000000
Root relaxation presolved: 1657 rows, 53328 columns, 158303 nonzeros


Root relaxation: objective 3.800000e+01, 1877 iterations, 0.62 seconds (0.42 work units)
Total elapsed time = 7.71s (DegenMoves)

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

     0     0   38.00000    0  453    7.00000   38.00000   443%     -    8s
H    0     0                       8.0000000   38.00000   375%     -   10s
     0     0   38.00000    0  818    8.00000   38.00000   375%     -   21s
     0     0   38.00000    0  805    8.00000   38.00000   375%     -   22s
     0     0   38.00000    0  871    8.00000   38.00000   375%     -   50s

Cutting planes:
  Gomory: 4
  Cover: 9
  Clique: 17
  MIR: 81
  StrongCG: 1
  Zero half: 57
  RLT: 54
  BQP: 2

Explored 1 nodes (31337 simplex iterations) in 50.08 seconds (31.77 work units)
Thread count was 8 (of 8 available processors)

Solution count 3: 8 7 -0 

Time limit reached
Best objective 8.000000000000e+00, best bound 3.800000000000e+01, gap 375.0000%

Wrote result file './lp_solutions/grafo5218.36.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 21 07:26:34 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5218.36.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/grafo5218.36.lp
Reading time = 0.12 seconds
: 75200 rows, 1690 columns, 226894 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 75200 rows, 1690 columns and 226894 nonzeros
Model fingerprint: 0x681fb351
Variable types: 40 continuous, 1650 integer (1650 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 23529 rows and 33 columns
Presolve time: 0.55s
Presolved: 51671 rows, 1657 columns, 156646 nonzeros
Variable types: 0 continuous, 1657 integer (1617 binary)
Found heuristic solution: objective 7.0000000
Root relaxation presolved: 1657 rows, 53328 columns, 158303 nonzeros


Root relaxation: objective 3.800000e+01, 1877 iterations, 0.39 seconds (0.42 work units)
Total elapsed time = 5.26s (DegenMoves)

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

     0     0   38.00000    0  453    7.00000   38.00000   443%     -    5s
H    0     0                       8.0000000   38.00000   375%     -    7s
     0     0   38.00000    0  818    8.00000   38.00000   375%     -   15s
     0     0   38.00000    0  805    8.00000   38.00000   375%     -   15s
H    0     0                       9.0000000   38.00000   322%     -   42s
H    0     0                      10.0000000   38.00000   280%     -   42s
     0     0   38.00000    0  577   10.00000   38.00000   280%     -   42s
     0     0   38.00000    0  541   10.00000   38.00000   280%     -   43s
     0     0          -    0        10.00000   38.00000   280%     -   50s

Cutting planes:
  Gomory: 1
  Cover: 26
  Clique: 25
  MIR: 112
  StrongCG: 1
  GUB cover: 5
  Zero half: 47
  RLT: 64
  BQP: 1

Explored 1 nodes (43113 simplex iterations) in 50.05 seconds (45.93 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 10 9 8 ... -0

Time limit reached
Best objective 1.000000000000e+01, best bound 3.800000000000e+01, gap 280.0000%

Wrote result file './lp_solutions/grafo5218.36.sol'

