
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 06:34:13 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5597.36.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/grafo5597.36.lp
Reading time = 0.09 seconds
: 40205 rows, 1563 columns, 121732 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 40205 rows, 1563 columns and 121732 nonzeros
Model fingerprint: 0x74f92239
Variable types: 38 continuous, 1525 integer (1525 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 3.0000000
Presolve removed 5738 rows and 25 columns
Presolve time: 0.38s
Presolved: 34467 rows, 1538 columns, 104776 nonzeros
Variable types: 0 continuous, 1538 integer (1500 binary)
Found heuristic solution: objective 6.0000000
Root relaxation presolved: 18891 rows, 17114 columns, 73624 nonzeros


Root relaxation: objective 4.000000e+01, 1769 iterations, 0.79 seconds (0.44 work units)

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

     0     0   40.00000    0  375    6.00000   40.00000   567%     -    3s
H    0     0                       8.0000000   40.00000   400%     -    3s
H    0     0                       9.0000000   40.00000   344%     -    3s
     0     0   40.00000    0  580    9.00000   40.00000   344%     -    9s
H    0     0                      10.0000000   40.00000   300%     -    9s
     0     0   40.00000    0  586   10.00000   40.00000   300%     -   10s
     0     0   40.00000    0  508   10.00000   40.00000   300%     -   21s
     0     0   40.00000    0  490   10.00000   40.00000   300%     -   22s
H    0     0                      11.0000000   40.00000   264%     -   38s
     0     0   40.00000    0  399   11.00000   40.00000   264%     -   38s
H    0     0                      12.0000000   40.00000   233%     -   38s
     0     0   40.00000    0  405   12.00000   40.00000   233%     -   39s
     0     0   40.00000    0  485   12.00000   40.00000   233%     -   50s

Cutting planes:
  Gomory: 1
  Cover: 20
  MIR: 174
  GUB cover: 3
  Zero half: 23
  RLT: 64
  Relax-and-lift: 1

Explored 1 nodes (49704 simplex iterations) in 50.07 seconds (28.79 work units)
Thread count was 8 (of 8 available processors)

Solution count 7: 12 11 10 ... 3

Time limit reached
Best objective 1.200000000000e+01, best bound 4.000000000000e+01, gap 233.3333%

Wrote result file './lp_solutions/grafo5597.36.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 18 04:22:38 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5597.36.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/grafo5597.36.lp
Reading time = 0.09 seconds
: 40205 rows, 1563 columns, 121732 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 40205 rows, 1563 columns and 121732 nonzeros
Model fingerprint: 0x74f92239
Variable types: 38 continuous, 1525 integer (1525 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 3.0000000
Presolve removed 5738 rows and 25 columns
Presolve time: 0.33s
Presolved: 34467 rows, 1538 columns, 104776 nonzeros
Variable types: 0 continuous, 1538 integer (1500 binary)
Found heuristic solution: objective 6.0000000
Root relaxation presolved: 18891 rows, 17114 columns, 73624 nonzeros


Root relaxation: objective 4.000000e+01, 1769 iterations, 0.64 seconds (0.44 work units)

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

     0     0   40.00000    0  375    6.00000   40.00000   567%     -    2s
H    0     0                       8.0000000   40.00000   400%     -    2s
H    0     0                       9.0000000   40.00000   344%     -    2s
     0     0   40.00000    0  580    9.00000   40.00000   344%     -    8s
H    0     0                      10.0000000   40.00000   300%     -    8s
     0     0   40.00000    0  586   10.00000   40.00000   300%     -    8s
     0     0   40.00000    0  508   10.00000   40.00000   300%     -   20s
     0     0   40.00000    0  490   10.00000   40.00000   300%     -   21s
H    0     0                      11.0000000   40.00000   264%     -   35s
     0     0   40.00000    0  399   11.00000   40.00000   264%     -   35s
H    0     0                      12.0000000   40.00000   233%     -   36s
     0     0   40.00000    0  405   12.00000   40.00000   233%     -   36s
     0     0   39.66667    0  485   12.00000   39.66667   231%     -   48s
H    0     0                      13.0000000   39.66667   205%     -   49s
     0     0   39.66667    0  509   13.00000   39.66667   205%     -   49s
     0     0          -    0        13.00000   39.66667   205%     -   50s

Cutting planes:
  Gomory: 1
  Cover: 10
  MIR: 128
  Zero half: 39
  RLT: 53

Explored 1 nodes (51047 simplex iterations) in 50.04 seconds (30.19 work units)
Thread count was 8 (of 8 available processors)

Solution count 8: 13 12 11 ... 3

Time limit reached
Best objective 1.300000000000e+01, best bound 3.900000000000e+01, gap 200.0000%

Wrote result file './lp_solutions/grafo5597.36.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 20 05:25:31 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5597.36.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/grafo5597.36.lp
Reading time = 0.09 seconds
: 40205 rows, 1563 columns, 121732 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 40205 rows, 1563 columns and 121732 nonzeros
Model fingerprint: 0x74f92239
Variable types: 38 continuous, 1525 integer (1525 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 3.0000000
Presolve removed 5738 rows and 25 columns
Presolve time: 0.32s
Presolved: 34467 rows, 1538 columns, 104776 nonzeros
Variable types: 0 continuous, 1538 integer (1500 binary)
Found heuristic solution: objective 6.0000000
Root relaxation presolved: 18891 rows, 17114 columns, 73624 nonzeros


Root relaxation: objective 4.000000e+01, 1769 iterations, 0.55 seconds (0.44 work units)

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

     0     0   40.00000    0  375    6.00000   40.00000   567%     -    2s
H    0     0                       8.0000000   40.00000   400%     -    2s
H    0     0                       9.0000000   40.00000   344%     -    2s
     0     0   40.00000    0  580    9.00000   40.00000   344%     -    6s
H    0     0                      10.0000000   40.00000   300%     -    7s
     0     0   40.00000    0  586   10.00000   40.00000   300%     -    7s
     0     0   40.00000    0  508   10.00000   40.00000   300%     -   16s
     0     0   40.00000    0  490   10.00000   40.00000   300%     -   17s
H    0     0                      11.0000000   40.00000   264%     -   30s
     0     0   40.00000    0  399   11.00000   40.00000   264%     -   30s
H    0     0                      12.0000000   40.00000   233%     -   31s
     0     0   40.00000    0  405   12.00000   40.00000   233%     -   31s
     0     0   39.66667    0  485   12.00000   39.66667   231%     -   41s
H    0     0                      13.0000000   39.66667   205%     -   42s
     0     0   39.66667    0  509   13.00000   39.66667   205%     -   42s
     0     0   39.66667    0  547   13.00000   39.66667   205%     -   50s

Cutting planes:
  Gomory: 1
  Cover: 10
  MIR: 128
  Zero half: 39
  RLT: 53

Explored 1 nodes (59636 simplex iterations) in 50.04 seconds (34.85 work units)
Thread count was 8 (of 8 available processors)

Solution count 8: 13 12 11 ... 3

Time limit reached
Best objective 1.300000000000e+01, best bound 3.900000000000e+01, gap 200.0000%

Wrote result file './lp_solutions/grafo5597.36.sol'

