
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 14:05:33 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo2038.29.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/grafo2038.29.lp
Reading time = 0.13 seconds
: 68752 rows, 1355 columns, 207346 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 68752 rows, 1355 columns and 207346 nonzeros
Model fingerprint: 0xec82c46b
Variable types: 37 continuous, 1318 integer (1318 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]
Presolve removed 26294 rows and 21 columns
Presolve time: 0.48s
Presolved: 42458 rows, 1334 columns, 128749 nonzeros
Variable types: 0 continuous, 1334 integer (1297 binary)
Found heuristic solution: objective 2.0000000
Root relaxation presolved: 1331 rows, 43789 columns, 130083 nonzeros


Root relaxation: objective 4.000000e+01, 2213 iterations, 0.79 seconds (0.95 work units)
Total elapsed time = 6.12s (DegenMoves)

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

     0     0   40.00000    0  408    2.00000   40.00000  1900%     -    6s
H    0     0                       5.0000000   40.00000   700%     -    6s
H    0     0                       6.0000000   40.00000   567%     -    6s
     0     0   40.00000    0  679    6.00000   40.00000   567%     -   14s
H    0     0                       7.0000000   40.00000   471%     -   14s
     0     0   40.00000    0  651    7.00000   40.00000   471%     -   14s
     0     0   40.00000    0  663    7.00000   40.00000   471%     -   31s
     0     0   40.00000    0  587    7.00000   40.00000   471%     -   32s
H    0     0                       8.0000000   40.00000   400%     -   48s
H    0     0                       9.0000000   40.00000   344%     -   48s
     0     0   40.00000    0  412    9.00000   40.00000   344%     -   48s
     0     0   40.00000    0  417    9.00000   40.00000   344%     -   48s
     0     0          -    0         9.00000   40.00000   344%     -   50s

Cutting planes:
  Cover: 39
  Clique: 32
  MIR: 125
  StrongCG: 1
  GUB cover: 4
  Zero half: 32
  RLT: 70
  BQP: 2

Explored 1 nodes (43425 simplex iterations) in 50.04 seconds (42.54 work units)
Thread count was 8 (of 8 available processors)

Solution count 6: 9 8 7 ... 2

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

Wrote result file './lp_solutions/grafo2038.29.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 18 10:26:16 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo2038.29.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/grafo2038.29.lp
Reading time = 0.11 seconds
: 68752 rows, 1355 columns, 207346 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 68752 rows, 1355 columns and 207346 nonzeros
Model fingerprint: 0xec82c46b
Variable types: 37 continuous, 1318 integer (1318 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]
Presolve removed 26294 rows and 21 columns
Presolve time: 0.47s
Presolved: 42458 rows, 1334 columns, 128749 nonzeros
Variable types: 0 continuous, 1334 integer (1297 binary)
Found heuristic solution: objective 2.0000000
Root relaxation presolved: 1331 rows, 43789 columns, 130083 nonzeros


Root relaxation: objective 4.000000e+01, 2213 iterations, 0.74 seconds (0.95 work units)
Total elapsed time = 5.88s (DegenMoves)

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

     0     0   40.00000    0  408    2.00000   40.00000  1900%     -    6s
H    0     0                       5.0000000   40.00000   700%     -    6s
H    0     0                       6.0000000   40.00000   567%     -    6s
     0     0   40.00000    0  679    6.00000   40.00000   567%     -   13s
H    0     0                       7.0000000   40.00000   471%     -   13s
     0     0   40.00000    0  651    7.00000   40.00000   471%     -   13s
     0     0   40.00000    0  663    7.00000   40.00000   471%     -   29s
     0     0   40.00000    0  587    7.00000   40.00000   471%     -   30s
H    0     0                       8.0000000   40.00000   400%     -   45s
H    0     0                       9.0000000   40.00000   344%     -   45s
     0     0   40.00000    0  412    9.00000   40.00000   344%     -   45s
     0     0   40.00000    0  417    9.00000   40.00000   344%     -   45s
     0     0          -    0         9.00000   40.00000   344%     -   50s

Cutting planes:
  Cover: 39
  Clique: 32
  MIR: 125
  StrongCG: 1
  GUB cover: 4
  Zero half: 32
  RLT: 70
  BQP: 2

Explored 1 nodes (46252 simplex iterations) in 50.05 seconds (45.34 work units)
Thread count was 8 (of 8 available processors)

Solution count 6: 9 8 7 ... 2

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

Wrote result file './lp_solutions/grafo2038.29.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 21 03:29:51 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo2038.29.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/grafo2038.29.lp
Reading time = 0.12 seconds
: 68752 rows, 1355 columns, 207346 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 68752 rows, 1355 columns and 207346 nonzeros
Model fingerprint: 0xec82c46b
Variable types: 37 continuous, 1318 integer (1318 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]
Presolve removed 26294 rows and 21 columns
Presolve time: 0.47s
Presolved: 42458 rows, 1334 columns, 128749 nonzeros
Variable types: 0 continuous, 1334 integer (1297 binary)
Found heuristic solution: objective 2.0000000
Root relaxation presolved: 1331 rows, 43789 columns, 130083 nonzeros


Root relaxation: objective 4.000000e+01, 2213 iterations, 0.75 seconds (0.95 work units)
Total elapsed time = 5.81s (DegenMoves)

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

     0     0   40.00000    0  408    2.00000   40.00000  1900%     -    6s
H    0     0                       5.0000000   40.00000   700%     -    6s
H    0     0                       6.0000000   40.00000   567%     -    6s
     0     0   40.00000    0  679    6.00000   40.00000   567%     -   13s
H    0     0                       7.0000000   40.00000   471%     -   13s
     0     0   40.00000    0  651    7.00000   40.00000   471%     -   13s
     0     0   40.00000    0  663    7.00000   40.00000   471%     -   29s
     0     0   40.00000    0  587    7.00000   40.00000   471%     -   30s
H    0     0                       8.0000000   40.00000   400%     -   45s
H    0     0                       9.0000000   40.00000   344%     -   45s
     0     0   40.00000    0  412    9.00000   40.00000   344%     -   45s
     0     0   40.00000    0  417    9.00000   40.00000   344%     -   45s
     0     0          -    0         9.00000   40.00000   344%     -   50s

Cutting planes:
  Cover: 39
  Clique: 32
  MIR: 125
  StrongCG: 1
  GUB cover: 4
  Zero half: 32
  RLT: 70
  BQP: 2

Explored 1 nodes (46579 simplex iterations) in 50.05 seconds (45.68 work units)
Thread count was 8 (of 8 available processors)

Solution count 6: 9 8 7 ... 2

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

Wrote result file './lp_solutions/grafo2038.29.sol'

