
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 21 09:43:08 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5969.38.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/grafo5969.38.lp
Reading time = 0.16 seconds
: 92393 rows, 1947 columns, 278709 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 92393 rows, 1947 columns and 278709 nonzeros
Model fingerprint: 0xecb008b0
Variable types: 43 continuous, 1904 integer (1904 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 1.0000000
Presolve removed 29211 rows and 30 columns
Presolve time: 0.76s
Presolved: 63182 rows, 1917 columns, 191479 nonzeros
Variable types: 0 continuous, 1917 integer (1874 binary)
Found heuristic solution: objective 6.0000000
Root relaxation presolved: 1914 rows, 65096 columns, 193396 nonzeros


Root relaxation: objective 4.700000e+01, 2726 iterations, 0.89 seconds (0.93 work units)
Total elapsed time = 11.46s (DegenMoves)

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

     0     0   47.00000    0  615    6.00000   47.00000   683%     -   13s
H    0     0                       8.0000000   47.00000   488%     -   13s
     0     0   47.00000    0  871    8.00000   47.00000   487%     -   29s
H    0     0                       9.0000000   47.00000   422%     -   29s
     0     0   47.00000    0  858    9.00000   47.00000   422%     -   31s
     0     0   47.00000    0  870    9.00000   47.00000   422%     -   50s

Cutting planes:
  Gomory: 5
  Cover: 20
  Clique: 17
  MIR: 122
  StrongCG: 1
  GUB cover: 1
  Zero half: 66
  RLT: 95
  BQP: 2

Explored 1 nodes (34193 simplex iterations) in 50.09 seconds (40.97 work units)
Thread count was 8 (of 8 available processors)

Solution count 4: 9 8 6 1 

Time limit reached
Best objective 9.000000000000e+00, best bound 4.700000000000e+01, gap 422.2222%

Wrote result file './lp_solutions/grafo5969.38.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Fri Nov 22 02:38:28 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5969.38.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/grafo5969.38.lp
Reading time = 0.15 seconds
: 92393 rows, 1947 columns, 278709 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 92393 rows, 1947 columns and 278709 nonzeros
Model fingerprint: 0xecb008b0
Variable types: 43 continuous, 1904 integer (1904 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 1.0000000
Presolve removed 29211 rows and 30 columns
Presolve time: 0.66s
Presolved: 63182 rows, 1917 columns, 191479 nonzeros
Variable types: 0 continuous, 1917 integer (1874 binary)
Found heuristic solution: objective 6.0000000
Root relaxation presolved: 1914 rows, 65096 columns, 193396 nonzeros


Root relaxation: objective 4.700000e+01, 2726 iterations, 0.76 seconds (0.93 work units)
Total elapsed time = 10.06s (DegenMoves)

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

     0     0   47.00000    0  615    6.00000   47.00000   683%     -   12s
H    0     0                       8.0000000   47.00000   488%     -   12s
     0     0   47.00000    0  871    8.00000   47.00000   487%     -   25s
H    0     0                       9.0000000   47.00000   422%     -   25s
     0     0   47.00000    0  858    9.00000   47.00000   422%     -   27s
     0     0   47.00000    0  870    9.00000   47.00000   422%     -   50s

Cutting planes:
  Gomory: 5
  Cover: 20
  Clique: 17
  MIR: 122
  StrongCG: 1
  GUB cover: 1
  Zero half: 66
  RLT: 95
  BQP: 2

Explored 1 nodes (39163 simplex iterations) in 50.07 seconds (46.53 work units)
Thread count was 8 (of 8 available processors)

Solution count 4: 9 8 6 1 

Time limit reached
Best objective 9.000000000000e+00, best bound 4.700000000000e+01, gap 422.2222%

Wrote result file './lp_solutions/grafo5969.38.sol'

