
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 07:01:36 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5983.41.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/grafo5983.41.lp
Reading time = 0.11 seconds
: 55548 rows, 2035 columns, 168249 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 55548 rows, 2035 columns and 168249 nonzeros
Model fingerprint: 0xef44e493
Variable types: 45 continuous, 1990 integer (1990 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 3764 rows and 0 columns
Presolve time: 0.53s
Presolved: 51784 rows, 2035 columns, 157242 nonzeros
Variable types: 0 continuous, 2035 integer (1990 binary)
Found heuristic solution: objective 5.0000000
Root relaxation presolved: 26934 rows, 26885 columns, 107542 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
    4463    3.4999842e+01   7.543156e+02   0.000000e+00      5s
    7205    3.5000000e+01   0.000000e+00   0.000000e+00      8s
    7205    3.5000000e+01   0.000000e+00   0.000000e+00      8s

Root relaxation: objective 3.500000e+01, 7205 iterations, 7.55 seconds (4.41 work units)
Total elapsed time = 19.15s (DegenMoves)
Total elapsed time = 21.09s (DegenMoves)

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

     0     0   35.00000    0  802    5.00000   35.00000   600%     -   21s
H    0     0                       8.0000000   35.00000   337%     -   21s
     0     0   35.00000    0 1021    8.00000   35.00000   337%     -   48s
     0     0          -    0         8.00000   35.00000   337%     -   50s

Cutting planes:
  Gomory: 5
  Cover: 2
  MIR: 43
  Zero half: 4
  RLT: 31

Explored 1 nodes (30538 simplex iterations) in 50.06 seconds (29.74 work units)
Thread count was 8 (of 8 available processors)

Solution count 3: 8 5 -0 

Time limit reached
Best objective 8.000000000000e+00, best bound 3.500000000000e+01, gap 337.5000%

Wrote result file './lp_solutions/grafo5983.41.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 18 05:02:52 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5983.41.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/grafo5983.41.lp
Reading time = 0.13 seconds
: 55548 rows, 2035 columns, 168249 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 55548 rows, 2035 columns and 168249 nonzeros
Model fingerprint: 0xef44e493
Variable types: 45 continuous, 1990 integer (1990 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 3764 rows and 0 columns
Presolve time: 0.40s
Presolved: 51784 rows, 2035 columns, 157242 nonzeros
Variable types: 0 continuous, 2035 integer (1990 binary)
Found heuristic solution: objective 5.0000000
Root relaxation presolved: 26934 rows, 26885 columns, 107542 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
    4543    3.4999841e+01   2.212897e+04   0.000000e+00      5s
    7205    3.5000000e+01   0.000000e+00   0.000000e+00      8s
    7205    3.5000000e+01   0.000000e+00   0.000000e+00      8s

Root relaxation: objective 3.500000e+01, 7205 iterations, 7.36 seconds (4.41 work units)
Total elapsed time = 19.10s (DegenMoves)
Total elapsed time = 21.05s (DegenMoves)

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

     0     0   35.00000    0  802    5.00000   35.00000   600%     -   21s
H    0     0                       8.0000000   35.00000   337%     -   21s
     0     0   35.00000    0 1021    8.00000   35.00000   337%     -   49s

Cutting planes:
  Gomory: 5
  Cover: 2
  MIR: 28
  Zero half: 3
  RLT: 24

Explored 1 nodes (29757 simplex iterations) in 50.08 seconds (28.73 work units)
Thread count was 8 (of 8 available processors)

Solution count 3: 8 5 -0 

Time limit reached
Best objective 8.000000000000e+00, best bound 3.500000000000e+01, gap 337.5000%

Wrote result file './lp_solutions/grafo5983.41.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 20 06:05:41 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5983.41.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/grafo5983.41.lp
Reading time = 0.10 seconds
: 55548 rows, 2035 columns, 168249 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 55548 rows, 2035 columns and 168249 nonzeros
Model fingerprint: 0xef44e493
Variable types: 45 continuous, 1990 integer (1990 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 3764 rows and 0 columns
Presolve time: 0.34s
Presolved: 51784 rows, 2035 columns, 157242 nonzeros
Variable types: 0 continuous, 2035 integer (1990 binary)
Found heuristic solution: objective 5.0000000
Root relaxation presolved: 26934 rows, 26885 columns, 107542 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
    5433    3.4999838e+01   8.011044e+02   0.000000e+00      5s
    7205    3.5000000e+01   0.000000e+00   0.000000e+00      7s
    7205    3.5000000e+01   0.000000e+00   0.000000e+00      7s

Root relaxation: objective 3.500000e+01, 7205 iterations, 6.23 seconds (4.41 work units)
Total elapsed time = 16.75s (DegenMoves)

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

     0     0   35.00000    0  802    5.00000   35.00000   600%     -   18s
H    0     0                       8.0000000   35.00000   337%     -   18s
     0     0   35.00000    0 1021    8.00000   35.00000   337%     -   42s
     0     0   35.00000    0 1034    8.00000   35.00000   337%     -   46s

Cutting planes:
  Gomory: 3
  Cover: 13
  MIR: 113
  Zero half: 53
  RLT: 73

Explored 1 nodes (32023 simplex iterations) in 50.24 seconds (32.67 work units)
Thread count was 8 (of 8 available processors)

Solution count 3: 8 5 -0 

Time limit reached
Best objective 8.000000000000e+00, best bound 3.500000000000e+01, gap 337.5000%

Wrote result file './lp_solutions/grafo5983.41.sol'

