
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 14 07:49:00 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5461.38.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/grafo5461.38.lp
Reading time = 0.13 seconds
: 56571 rows, 1717 columns, 171017 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 56571 rows, 1717 columns and 171017 nonzeros
Model fingerprint: 0x9f14b9d4
Variable types: 40 continuous, 1677 integer (1677 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 11388 rows and 32 columns
Presolve time: 0.71s
Presolved: 45183 rows, 1685 columns, 137152 nonzeros
Variable types: 0 continuous, 1685 integer (1645 binary)
Root relaxation presolved: 26867 rows, 20001 columns, 100520 nonzeros


Root relaxation: objective 3.200000e+01, 2970 iterations, 2.01 seconds (1.30 work units)
Total elapsed time = 7.85s (DegenMoves)

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

     0     0   32.00000    0  260          -   32.00000      -     -    9s
H    0     0                       6.0000000   32.00000   433%     -    9s
H    0     0                       9.0000000   32.00000   256%     -    9s
H    0     0                      10.0000000   32.00000   220%     -   10s
     0     0   32.00000    0  491   10.00000   32.00000   220%     -   14s
     0     0   32.00000    0  402   10.00000   32.00000   220%     -   15s
H    0     0                      12.0000000   32.00000   167%     -   18s
H    0     0                      13.0000000   32.00000   146%     -   28s
H    0     0                      14.0000000   32.00000   129%     -   28s
     0     0   32.00000    0  413   14.00000   32.00000   129%     -   28s
     0     0   32.00000    0  426   14.00000   32.00000   129%     -   30s
H    0     0                      15.0000000   32.00000   113%     -   46s
     0     0   32.00000    0  439   15.00000   32.00000   113%     -   46s
     0     0   32.00000    0  444   15.00000   32.00000   113%     -   47s
     0     0          -    0        15.00000   32.00000   113%     -   50s

Cutting planes:
  Gomory: 1
  Cover: 23
  Clique: 8
  MIR: 108
  GUB cover: 4
  Zero half: 28
  RLT: 49

Explored 1 nodes (41584 simplex iterations) in 50.09 seconds (29.67 work units)
Thread count was 8 (of 8 available processors)

Solution count 7: 15 14 13 ... 6

Time limit reached
Best objective 1.500000000000e+01, best bound 3.200000000000e+01, gap 113.3333%

Wrote result file './lp_solutions/grafo5461.38.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 21 09:33:55 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5461.38.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/grafo5461.38.lp
Reading time = 0.10 seconds
: 56571 rows, 1717 columns, 171017 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 56571 rows, 1717 columns and 171017 nonzeros
Model fingerprint: 0x9f14b9d4
Variable types: 40 continuous, 1677 integer (1677 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 11388 rows and 32 columns
Presolve time: 0.42s
Presolved: 45183 rows, 1685 columns, 137152 nonzeros
Variable types: 0 continuous, 1685 integer (1645 binary)
Root relaxation presolved: 26867 rows, 20001 columns, 100520 nonzeros


Root relaxation: objective 3.200000e+01, 2970 iterations, 1.46 seconds (1.30 work units)
Total elapsed time = 6.28s (DegenMoves)

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

     0     0   32.00000    0  260          -   32.00000      -     -    7s
H    0     0                       6.0000000   32.00000   433%     -    7s
H    0     0                       9.0000000   32.00000   256%     -    7s
H    0     0                      10.0000000   32.00000   220%     -    7s
     0     0   32.00000    0  491   10.00000   32.00000   220%     -   10s
     0     0   32.00000    0  402   10.00000   32.00000   220%     -   12s
H    0     0                      12.0000000   32.00000   167%     -   13s
H    0     0                      13.0000000   32.00000   146%     -   21s
H    0     0                      14.0000000   32.00000   129%     -   21s
     0     0   32.00000    0  413   14.00000   32.00000   129%     -   21s
     0     0   32.00000    0  426   14.00000   32.00000   129%     -   22s
H    0     0                      15.0000000   32.00000   113%     -   35s
     0     0   32.00000    0  439   15.00000   32.00000   113%     -   35s
     0     0   32.00000    0  444   15.00000   32.00000   113%     -   36s
     0     0   32.00000    0  316   15.00000   32.00000   113%     -   45s
     0     0   32.00000    0  303   15.00000   32.00000   113%     -   46s
     0     0   32.00000    0  419   15.00000   32.00000   113%     -   50s

Cutting planes:
  Cover: 24
  Clique: 10
  MIR: 142
  StrongCG: 3
  GUB cover: 1
  Zero half: 25
  RLT: 44
  BQP: 2

Explored 1 nodes (54676 simplex iterations) in 50.06 seconds (38.31 work units)
Thread count was 8 (of 8 available processors)

Solution count 7: 15 14 13 ... 6

Time limit reached
Best objective 1.500000000000e+01, best bound 3.200000000000e+01, gap 113.3333%

Wrote result file './lp_solutions/grafo5461.38.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Fri Nov 22 02:29:15 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5461.38.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/grafo5461.38.lp
Reading time = 0.09 seconds
: 56571 rows, 1717 columns, 171017 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 56571 rows, 1717 columns and 171017 nonzeros
Model fingerprint: 0x9f14b9d4
Variable types: 40 continuous, 1677 integer (1677 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 11388 rows and 32 columns
Presolve time: 0.39s
Presolved: 45183 rows, 1685 columns, 137152 nonzeros
Variable types: 0 continuous, 1685 integer (1645 binary)
Root relaxation presolved: 26867 rows, 20001 columns, 100520 nonzeros


Root relaxation: objective 3.200000e+01, 2970 iterations, 1.30 seconds (1.30 work units)
Total elapsed time = 5.51s (DegenMoves)

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

     0     0   32.00000    0  260          -   32.00000      -     -    6s
H    0     0                       6.0000000   32.00000   433%     -    6s
H    0     0                       9.0000000   32.00000   256%     -    6s
H    0     0                      10.0000000   32.00000   220%     -    6s
     0     0   32.00000    0  491   10.00000   32.00000   220%     -    9s
     0     0   32.00000    0  402   10.00000   32.00000   220%     -   10s
H    0     0                      12.0000000   32.00000   167%     -   11s
H    0     0                      13.0000000   32.00000   146%     -   18s
H    0     0                      14.0000000   32.00000   129%     -   18s
     0     0   32.00000    0  413   14.00000   32.00000   129%     -   18s
     0     0   32.00000    0  426   14.00000   32.00000   129%     -   19s
H    0     0                      15.0000000   32.00000   113%     -   30s
     0     0   32.00000    0  439   15.00000   32.00000   113%     -   30s
     0     0   32.00000    0  444   15.00000   32.00000   113%     -   31s
     0     0   32.00000    0  316   15.00000   32.00000   113%     -   39s
     0     0   32.00000    0  303   15.00000   32.00000   113%     -   39s
H    0     0                      16.0000000   32.00000   100%     -   49s
H    0     0                      17.0000000   32.00000  88.2%     -   49s
     0     0   32.00000    0  419   17.00000   32.00000  88.2%     -   49s
     0     0          -    0        17.00000   32.00000  88.2%     -   50s

Cutting planes:
  Gomory: 1
  Cover: 8
  Clique: 7
  MIR: 53
  Zero half: 4
  RLT: 31
  BQP: 1

Explored 1 nodes (61661 simplex iterations) in 50.07 seconds (43.16 work units)
Thread count was 8 (of 8 available processors)

Solution count 9: 17 16 15 ... 6

Time limit reached
Best objective 1.700000000000e+01, best bound 3.200000000000e+01, gap 88.2353%

Wrote result file './lp_solutions/grafo5461.38.sol'

