
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 07:38:05 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo7148.39.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/grafo7148.39.lp
Reading time = 0.15 seconds
: 52279 rows, 1968 columns, 158445 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 52279 rows, 1968 columns and 158445 nonzeros
Model fingerprint: 0x7227f009
Variable types: 45 continuous, 1923 integer (1923 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 3663 rows and 0 columns
Presolve time: 0.43s
Presolved: 48616 rows, 1968 columns, 147738 nonzeros
Variable types: 0 continuous, 1968 integer (1923 binary)
Found heuristic solution: objective 7.0000000
Root relaxation presolved: 25287 rows, 25297 columns, 101080 nonzeros


Root relaxation: objective 3.800000e+01, 5232 iterations, 4.22 seconds (2.60 work units)
Total elapsed time = 12.49s (DegenMoves)
Total elapsed time = 15.33s (DegenMoves)

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

     0     0   38.00000    0  695    7.00000   38.00000   443%     -   15s
H    0     0                      10.0000000   38.00000   280%     -   15s
     0     0   38.00000    0  941   10.00000   38.00000   280%     -   31s
     0     0   38.00000    0  917   10.00000   38.00000   280%     -   33s
     0     0   38.00000    0  882   10.00000   38.00000   280%     -   50s

Cutting planes:
  Gomory: 6
  Cover: 6
  MIR: 112
  Zero half: 75
  RLT: 71

Explored 1 nodes (33198 simplex iterations) in 50.07 seconds (28.92 work units)
Thread count was 8 (of 8 available processors)

Solution count 3: 10 7 -0 

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

Wrote result file './lp_solutions/grafo7148.39.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 18 04:56:59 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo7148.39.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/grafo7148.39.lp
Reading time = 0.14 seconds
: 52279 rows, 1968 columns, 158445 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 52279 rows, 1968 columns and 158445 nonzeros
Model fingerprint: 0x7227f009
Variable types: 45 continuous, 1923 integer (1923 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 3663 rows and 0 columns
Presolve time: 0.38s
Presolved: 48616 rows, 1968 columns, 147738 nonzeros
Variable types: 0 continuous, 1968 integer (1923 binary)
Found heuristic solution: objective 7.0000000
Root relaxation presolved: 25287 rows, 25297 columns, 101080 nonzeros


Root relaxation: objective 3.800000e+01, 5232 iterations, 4.26 seconds (2.60 work units)
Total elapsed time = 12.12s (DegenMoves)

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

     0     0   38.00000    0  695    7.00000   38.00000   443%     -   15s
H    0     0                      10.0000000   38.00000   280%     -   15s
     0     0   38.00000    0  941   10.00000   38.00000   280%     -   32s
     0     0   38.00000    0  917   10.00000   38.00000   280%     -   34s
     0     0   38.00000    0  882   10.00000   38.00000   280%     -   50s

Cutting planes:
  Gomory: 6
  Cover: 6
  MIR: 112
  Zero half: 75
  RLT: 71

Explored 1 nodes (31861 simplex iterations) in 50.08 seconds (27.85 work units)
Thread count was 8 (of 8 available processors)

Solution count 3: 10 7 -0 

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

Wrote result file './lp_solutions/grafo7148.39.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 20 05:59:50 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo7148.39.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/grafo7148.39.lp
Reading time = 0.10 seconds
: 52279 rows, 1968 columns, 158445 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 52279 rows, 1968 columns and 158445 nonzeros
Model fingerprint: 0x7227f009
Variable types: 45 continuous, 1923 integer (1923 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 3663 rows and 0 columns
Presolve time: 0.34s
Presolved: 48616 rows, 1968 columns, 147738 nonzeros
Variable types: 0 continuous, 1968 integer (1923 binary)
Found heuristic solution: objective 7.0000000
Root relaxation presolved: 25287 rows, 25297 columns, 101080 nonzeros


Root relaxation: objective 3.800000e+01, 5232 iterations, 3.93 seconds (2.60 work units)
Total elapsed time = 10.96s (DegenMoves)

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

     0     0   38.00000    0  695    7.00000   38.00000   443%     -   13s
H    0     0                      10.0000000   38.00000   280%     -   13s
     0     0   38.00000    0  941   10.00000   38.00000   280%     -   28s
     0     0   38.00000    0  917   10.00000   38.00000   280%     -   29s
     0     0   38.00000    0  882   10.00000   38.00000   280%     -   50s

Cutting planes:
  Gomory: 6
  Cover: 6
  MIR: 112
  Zero half: 75
  RLT: 71

Explored 1 nodes (37188 simplex iterations) in 50.08 seconds (31.67 work units)
Thread count was 8 (of 8 available processors)

Solution count 3: 10 7 -0 

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

Wrote result file './lp_solutions/grafo7148.39.sol'

