
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 07:23:53 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo6493.39.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/grafo6493.39.lp
Reading time = 0.14 seconds
: 59526 rows, 2073 columns, 180334 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 59526 rows, 2073 columns and 180334 nonzeros
Model fingerprint: 0xa219f6dd
Variable types: 47 continuous, 2026 integer (2026 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 5691 rows and 1 columns
Presolve time: 0.57s
Presolved: 53835 rows, 2072 columns, 163571 nonzeros
Variable types: 0 continuous, 2072 integer (2025 binary)
Found heuristic solution: objective 4.0000000
Root relaxation presolved: 28481 rows, 27426 columns, 112863 nonzeros


Root relaxation: objective 4.000000e+01, 1546 iterations, 0.63 seconds (0.35 work units)

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

     0     0   40.00000    0  435    4.00000   40.00000   900%     -    2s
H    0     0                       6.0000000   40.00000   567%     -    2s
H    0     0                       8.0000000   40.00000   400%     -    2s
     0     0   40.00000    0  777    8.00000   40.00000   400%     -   15s
H    0     0                       9.0000000   40.00000   344%     -   15s
     0     0   40.00000    0  740    9.00000   40.00000   344%     -   17s
     0     0   40.00000    0  797    9.00000   40.00000   344%     -   50s

Cutting planes:
  Gomory: 14
  Lift-and-project: 18
  Cover: 15
  MIR: 139
  Zero half: 24
  RLT: 65

Explored 1 nodes (30635 simplex iterations) in 50.09 seconds (28.69 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 9 8 6 ... 1

Time limit reached
Best objective 9.000000000000e+00, best bound 4.000000000000e+01, gap 344.4444%

Wrote result file './lp_solutions/grafo6493.39.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 18 04:54:28 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo6493.39.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/grafo6493.39.lp
Reading time = 0.12 seconds
: 59526 rows, 2073 columns, 180334 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 59526 rows, 2073 columns and 180334 nonzeros
Model fingerprint: 0xa219f6dd
Variable types: 47 continuous, 2026 integer (2026 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 5691 rows and 1 columns
Presolve time: 0.43s
Presolved: 53835 rows, 2072 columns, 163571 nonzeros
Variable types: 0 continuous, 2072 integer (2025 binary)
Found heuristic solution: objective 4.0000000
Root relaxation presolved: 28481 rows, 27426 columns, 112863 nonzeros


Root relaxation: objective 4.000000e+01, 1546 iterations, 0.59 seconds (0.35 work units)

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

     0     0   40.00000    0  435    4.00000   40.00000   900%     -    2s
H    0     0                       6.0000000   40.00000   567%     -    2s
H    0     0                       8.0000000   40.00000   400%     -    2s
     0     0   40.00000    0  777    8.00000   40.00000   400%     -   15s
H    0     0                       9.0000000   40.00000   344%     -   15s
     0     0   40.00000    0  740    9.00000   40.00000   344%     -   18s
     0     0   40.00000    0  797    9.00000   40.00000   344%     -   50s

Cutting planes:
  Gomory: 14
  Lift-and-project: 18
  Cover: 15
  MIR: 139
  Zero half: 24
  RLT: 65

Explored 1 nodes (28405 simplex iterations) in 50.11 seconds (25.28 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 9 8 6 ... 1

Time limit reached
Best objective 9.000000000000e+00, best bound 4.000000000000e+01, gap 344.4444%

Wrote result file './lp_solutions/grafo6493.39.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 20 05:57:19 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo6493.39.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/grafo6493.39.lp
Reading time = 0.11 seconds
: 59526 rows, 2073 columns, 180334 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 59526 rows, 2073 columns and 180334 nonzeros
Model fingerprint: 0xa219f6dd
Variable types: 47 continuous, 2026 integer (2026 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 5691 rows and 1 columns
Presolve time: 0.37s
Presolved: 53835 rows, 2072 columns, 163571 nonzeros
Variable types: 0 continuous, 2072 integer (2025 binary)
Found heuristic solution: objective 4.0000000
Root relaxation presolved: 28481 rows, 27426 columns, 112863 nonzeros


Root relaxation: objective 4.000000e+01, 1546 iterations, 0.50 seconds (0.35 work units)

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

     0     0   40.00000    0  435    4.00000   40.00000   900%     -    1s
H    0     0                       6.0000000   40.00000   567%     -    1s
H    0     0                       8.0000000   40.00000   400%     -    1s
     0     0   40.00000    0  777    8.00000   40.00000   400%     -   12s
H    0     0                       9.0000000   40.00000   344%     -   12s
     0     0   40.00000    0  740    9.00000   40.00000   344%     -   14s
     0     0   40.00000    0  780    9.00000   40.00000   344%     -   50s

Cutting planes:
  Gomory: 14
  Lift-and-project: 18
  Cover: 15
  MIR: 139
  Zero half: 24
  RLT: 65

Explored 1 nodes (36189 simplex iterations) in 50.07 seconds (37.15 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 9 8 6 ... 1

Time limit reached
Best objective 9.000000000000e+00, best bound 4.000000000000e+01, gap 344.4444%

Wrote result file './lp_solutions/grafo6493.39.sol'

