
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 14 03:20:38 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo11563.39.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/grafo11563.39.lp
Reading time = 0.16 seconds
: 77891 rows, 2034 columns, 235365 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 77891 rows, 2034 columns and 235365 nonzeros
Model fingerprint: 0x6199f8a5
Variable types: 45 continuous, 1989 integer (1989 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 2.0000000
Presolve removed 18029 rows and 32 columns
Presolve time: 1.00s
Presolved: 59862 rows, 2002 columns, 181674 nonzeros
Variable types: 0 continuous, 2002 integer (1957 binary)
Found heuristic solution: objective 8.0000000
Root relaxation presolved: 1999 rows, 61861 columns, 183676 nonzeros


Root relaxation: objective 4.200000e+01, 1390 iterations, 0.53 seconds (0.28 work units)

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

     0     0   42.00000    0  354    8.00000   42.00000   425%     -    4s
H    0     0                      10.0000000   42.00000   320%     -    4s
H    0     0                      11.0000000   42.00000   282%     -    4s
H    0     0                      14.0000000   42.00000   200%     -    6s
     0     0   42.00000    0  660   14.00000   42.00000   200%     -   12s
H    0     0                      15.0000000   42.00000   180%     -   13s
     0     0   42.00000    0  621   15.00000   42.00000   180%     -   14s
     0     0   42.00000    0  546   15.00000   42.00000   180%     -   31s
     0     0   42.00000    0  546   15.00000   42.00000   180%     -   31s
     0     0   42.00000    0  725   15.00000   42.00000   180%     -   50s

Cutting planes:
  Gomory: 1
  Cover: 33
  Clique: 5
  MIR: 171
  StrongCG: 2
  GUB cover: 5
  Zero half: 36
  RLT: 67
  BQP: 1

Explored 1 nodes (30901 simplex iterations) in 50.10 seconds (28.75 work units)
Thread count was 8 (of 8 available processors)

Solution count 6: 15 14 11 ... 2

Time limit reached
Best objective 1.500000000000e+01, best bound 4.200000000000e+01, gap 180.0000%

Wrote result file './lp_solutions/grafo11563.39.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Fri Nov 22 03:05:17 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo11563.39.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/grafo11563.39.lp
Reading time = 0.12 seconds
: 77891 rows, 2034 columns, 235365 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 77891 rows, 2034 columns and 235365 nonzeros
Model fingerprint: 0x6199f8a5
Variable types: 45 continuous, 1989 integer (1989 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 2.0000000
Presolve removed 18029 rows and 32 columns
Presolve time: 0.53s
Presolved: 59862 rows, 2002 columns, 181674 nonzeros
Variable types: 0 continuous, 2002 integer (1957 binary)
Found heuristic solution: objective 8.0000000
Root relaxation presolved: 1999 rows, 61861 columns, 183676 nonzeros


Root relaxation: objective 4.200000e+01, 1390 iterations, 0.30 seconds (0.28 work units)

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

     0     0   42.00000    0  354    8.00000   42.00000   425%     -    2s
H    0     0                      10.0000000   42.00000   320%     -    2s
H    0     0                      11.0000000   42.00000   282%     -    2s
H    0     0                      14.0000000   42.00000   200%     -    3s
     0     0   42.00000    0  660   14.00000   42.00000   200%     -    8s
H    0     0                      15.0000000   42.00000   180%     -    8s
     0     0   42.00000    0  621   15.00000   42.00000   180%     -    8s
     0     0   42.00000    0  546   15.00000   42.00000   180%     -   20s
     0     0   42.00000    0  546   15.00000   42.00000   180%     -   20s
H    0     0                      16.0000000   42.00000   162%     -   48s
H    0     0                      17.0000000   42.00000   147%     -   48s
H    0     0                      18.0000000   42.00000   133%     -   48s
     0     0   42.00000    0  656   18.00000   42.00000   133%     -   48s
     0     0          -    0        18.00000   42.00000   133%     -   50s

Cutting planes:
  Clique: 12
  MIR: 62
  Zero half: 3
  RLT: 29
  BQP: 2

Explored 1 nodes (46242 simplex iterations) in 50.10 seconds (49.12 work units)
Thread count was 8 (of 8 available processors)

Solution count 9: 18 17 16 ... 2

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

Wrote result file './lp_solutions/grafo11563.39.sol'

