
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 14 03:03:01 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo11464.35.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/grafo11464.35.lp
Reading time = 0.14 seconds
: 59139 rows, 1799 columns, 178972 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 59139 rows, 1799 columns and 178972 nonzeros
Model fingerprint: 0xfb4f192b
Variable types: 43 continuous, 1756 integer (1756 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 12539 rows and 21 columns
Presolve time: 0.71s
Presolved: 46600 rows, 1778 columns, 141730 nonzeros
Variable types: 0 continuous, 1778 integer (1735 binary)
Found heuristic solution: objective 9.0000000
Root relaxation presolved: 27714 rows, 20664 columns, 103958 nonzeros


Root relaxation: objective 4.300000e+01, 1389 iterations, 0.62 seconds (0.35 work units)

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

     0     0   43.00000    0  320    9.00000   43.00000   378%     -    2s
H    0     0                      10.0000000   43.00000   330%     -    2s
H    0     0                      12.0000000   43.00000   258%     -    4s
H    0     0                      13.0000000   43.00000   231%     -   11s
     0     0   43.00000    0  640   13.00000   43.00000   231%     -   11s
     0     0   43.00000    0  588   13.00000   43.00000   231%     -   13s
H    0     0                      15.0000000   43.00000   187%     -   17s
H    0     0                      16.0000000   43.00000   169%     -   50s
H    0     0                      17.0000000   43.00000   153%     -   50s
H    0     0                      18.0000000   43.00000   139%     -   50s
     0     0   42.66667    0  449   18.00000   42.66667   137%     -   50s

Cutting planes:
  Gomory: 4
  Clique: 3
  MIR: 27
  Zero half: 5
  RLT: 24

Explored 1 nodes (31644 simplex iterations) in 50.18 seconds (29.77 work units)
Thread count was 8 (of 8 available processors)

Solution count 9: 18 17 16 ... 3

Time limit reached
Best objective 1.800000000000e+01, best bound 4.200000000000e+01, gap 133.3333%

Wrote result file './lp_solutions/grafo11464.35.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 21 06:03:39 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo11464.35.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/grafo11464.35.lp
Reading time = 0.10 seconds
: 59139 rows, 1799 columns, 178972 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 59139 rows, 1799 columns and 178972 nonzeros
Model fingerprint: 0xfb4f192b
Variable types: 43 continuous, 1756 integer (1756 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 12539 rows and 21 columns
Presolve time: 0.41s
Presolved: 46600 rows, 1778 columns, 141730 nonzeros
Variable types: 0 continuous, 1778 integer (1735 binary)
Found heuristic solution: objective 9.0000000
Root relaxation presolved: 27714 rows, 20664 columns, 103958 nonzeros


Root relaxation: objective 4.300000e+01, 1389 iterations, 0.40 seconds (0.35 work units)

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

     0     0   43.00000    0  320    9.00000   43.00000   378%     -    1s
H    0     0                      10.0000000   43.00000   330%     -    1s
H    0     0                      12.0000000   43.00000   258%     -    2s
H    0     0                      13.0000000   43.00000   231%     -    7s
     0     0   43.00000    0  640   13.00000   43.00000   231%     -    7s
     0     0   43.00000    0  588   13.00000   43.00000   231%     -    8s
H    0     0                      15.0000000   43.00000   187%     -   10s
H    0     0                      16.0000000   43.00000   169%     -   34s
H    0     0                      17.0000000   43.00000   153%     -   34s
H    0     0                      18.0000000   43.00000   139%     -   34s
     0     0   42.66667    0  449   18.00000   42.66667   137%     -   34s
     0     0   42.66667    0  441   18.00000   42.66667   137%     -   35s
     0     0   42.66667    0  464   18.00000   42.66667   137%     -   47s
     0     0   42.66667    0  503   18.00000   42.66667   137%     -   48s
     0     0          -    0        18.00000   42.66667   137%     -   50s

Cutting planes:
  Gomory: 1
  Lift-and-project: 1
  Cover: 32
  Clique: 8
  MIR: 147
  StrongCG: 3
  GUB cover: 3
  Zero half: 85
  RLT: 60
  Relax-and-lift: 1

Explored 1 nodes (48149 simplex iterations) in 50.05 seconds (42.27 work units)
Thread count was 8 (of 8 available processors)

Solution count 9: 18 17 16 ... 3

Time limit reached
Best objective 1.800000000000e+01, best bound 4.200000000000e+01, gap 133.3333%

Wrote result file './lp_solutions/grafo11464.35.sol'

