
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 14 06:16:44 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo3596.37.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/grafo3596.37.lp
Reading time = 0.12 seconds
: 49352 rows, 1579 columns, 149176 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 49352 rows, 1579 columns and 149176 nonzeros
Model fingerprint: 0x5193fa4c
Variable types: 37 continuous, 1542 integer (1542 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 10726 rows and 18 columns
Presolve time: 0.45s
Presolved: 38626 rows, 1561 columns, 117367 nonzeros
Variable types: 0 continuous, 1561 integer (1524 binary)
Found heuristic solution: objective 4.0000000
Root relaxation presolved: 23086 rows, 17101 columns, 86287 nonzeros


Root relaxation: objective 3.200000e+01, 2772 iterations, 1.63 seconds (1.05 work units)

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

     0     0   32.00000    0  351    4.00000   32.00000   700%     -    4s
H    0     0                       5.0000000   32.00000   540%     -    4s
H    0     0                       7.0000000   32.00000   357%     -    4s
     0     0   32.00000    0  528    7.00000   32.00000   357%     -   11s
     0     0   32.00000    0  543    7.00000   32.00000   357%     -   12s
H    0     0                       8.0000000   32.00000   300%     -   31s
     0     0   32.00000    0  460    8.00000   32.00000   300%     -   32s
H    0     0                       9.0000000   32.00000   256%     -   33s
     0     0   32.00000    0  492    9.00000   32.00000   256%     -   34s
H    0     0                      10.0000000   32.00000   220%     -   43s
     0     0   32.00000    0  292   10.00000   32.00000   220%     -   43s
     0     0   32.00000    0  292   10.00000   32.00000   220%     -   44s
     0     0   32.00000    0  445   10.00000   32.00000   220%     -   50s

Cutting planes:
  Cover: 30
  Clique: 8
  MIR: 69
  StrongCG: 2
  GUB cover: 5
  Zero half: 40
  RLT: 38
  BQP: 2
  PSD: 2

Explored 1 nodes (46088 simplex iterations) in 50.07 seconds (31.96 work units)
Thread count was 8 (of 8 available processors)

Solution count 7: 10 9 8 ... 3

Time limit reached
Best objective 1.000000000000e+01, best bound 3.200000000000e+01, gap 220.0000%

Wrote result file './lp_solutions/grafo3596.37.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 21 08:27:43 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo3596.37.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/grafo3596.37.lp
Reading time = 0.08 seconds
: 49352 rows, 1579 columns, 149176 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 49352 rows, 1579 columns and 149176 nonzeros
Model fingerprint: 0x5193fa4c
Variable types: 37 continuous, 1542 integer (1542 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 10726 rows and 18 columns
Presolve time: 0.34s
Presolved: 38626 rows, 1561 columns, 117367 nonzeros
Variable types: 0 continuous, 1561 integer (1524 binary)
Found heuristic solution: objective 4.0000000
Root relaxation presolved: 23086 rows, 17101 columns, 86287 nonzeros


Root relaxation: objective 3.200000e+01, 2772 iterations, 1.06 seconds (1.05 work units)

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

     0     0   32.00000    0  351    4.00000   32.00000   700%     -    3s
H    0     0                       5.0000000   32.00000   540%     -    3s
H    0     0                       7.0000000   32.00000   357%     -    3s
     0     0   32.00000    0  528    7.00000   32.00000   357%     -    7s
     0     0   32.00000    0  543    7.00000   32.00000   357%     -    8s
H    0     0                       8.0000000   32.00000   300%     -   22s
     0     0   32.00000    0  460    8.00000   32.00000   300%     -   23s
H    0     0                       9.0000000   32.00000   256%     -   23s
     0     0   32.00000    0  492    9.00000   32.00000   256%     -   23s
H    0     0                      10.0000000   32.00000   220%     -   30s
     0     0   32.00000    0  292   10.00000   32.00000   220%     -   30s
     0     0   32.00000    0  292   10.00000   32.00000   220%     -   30s
     0     0   32.00000    0  294   10.00000   32.00000   220%     -   38s
     0     0   32.00000    0  302   10.00000   32.00000   220%     -   38s
H    0     0                      11.0000000   32.00000   191%     -   45s
H    0     0                      12.0000000   32.00000   167%     -   45s
     0     0   32.00000    0  197   12.00000   32.00000   167%     -   45s
     0     0   32.00000    0  222   12.00000   32.00000   167%     -   45s
     0     0   32.00000    0  281   12.00000   32.00000   167%     -   50s

Cutting planes:
  Cover: 27
  Clique: 6
  MIR: 78
  StrongCG: 2
  GUB cover: 3
  Zero half: 44
  RLT: 43
  BQP: 2
  PSD: 2

Explored 1 nodes (74134 simplex iterations) in 50.04 seconds (48.89 work units)
Thread count was 8 (of 8 available processors)

Solution count 9: 12 11 10 ... 3

Time limit reached
Best objective 1.200000000000e+01, best bound 3.200000000000e+01, gap 166.6667%

Wrote result file './lp_solutions/grafo3596.37.sol'

