
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Fri Nov  1 22:11:51 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo10397.36.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/grafo10397.36.lp
Reading time = 1.28 seconds
: 49189 rows, 1720 columns, 148986 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 49189 rows, 1720 columns and 148986 nonzeros
Model fingerprint: 0xeadc6634
Variable types: 41 continuous, 1679 integer (1679 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 5.0000000
Presolve removed 7766 rows and 19 columns
Presolve time: 1.73s
Presolved: 41423 rows, 1701 columns, 126049 nonzeros
Variable types: 0 continuous, 1701 integer (1660 binary)
Found heuristic solution: objective 10.0000000
Root relaxation presolved: 23623 rows, 19501 columns, 90449 nonzeros


Root relaxation: objective 3.300000e+01, 1150 iterations, 0.72 seconds (0.25 work units)

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

     0     0   33.00000    0  255   10.00000   33.00000   230%     -    4s
H    0     0                      13.0000000   33.00000   154%     -    5s
H    0     0                      14.0000000   33.00000   136%     -   10s
     0     0   33.00000    0  542   14.00000   33.00000   136%     -   10s
H    0     0                      15.0000000   33.00000   120%     -   11s
     0     0   33.00000    0  530   15.00000   33.00000   120%     -   12s
     0     0   33.00000    0  595   15.00000   33.00000   120%     -   50s

Cutting planes:
  Gomory: 6
  Lift-and-project: 23
  Cover: 25
  Clique: 8
  MIR: 81
  GUB cover: 2
  Zero half: 43
  RLT: 45
  BQP: 1

Explored 1 nodes (14810 simplex iterations) in 50.12 seconds (9.48 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 15 14 13 ... 5

Time limit reached
Best objective 1.500000000000e+01, best bound 3.300000000000e+01, gap 120.0000%

Wrote result file './lp_solutions/grafo10397.36.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 18 19:58:08 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo10397.36.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/grafo10397.36.lp
Reading time = 0.08 seconds
: 49189 rows, 1720 columns, 148986 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 49189 rows, 1720 columns and 148986 nonzeros
Model fingerprint: 0xeadc6634
Variable types: 41 continuous, 1679 integer (1679 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 5.0000000
Presolve removed 7766 rows and 19 columns
Presolve time: 0.33s
Presolved: 41423 rows, 1701 columns, 126049 nonzeros
Variable types: 0 continuous, 1701 integer (1660 binary)
Found heuristic solution: objective 10.0000000
Root relaxation presolved: 23623 rows, 19501 columns, 90449 nonzeros


Root relaxation: objective 3.300000e+01, 1150 iterations, 0.29 seconds (0.25 work units)

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

     0     0   33.00000    0  255   10.00000   33.00000   230%     -    1s
H    0     0                      13.0000000   33.00000   154%     -    1s
H    0     0                      14.0000000   33.00000   136%     -    3s
     0     0   33.00000    0  542   14.00000   33.00000   136%     -    3s
H    0     0                      15.0000000   33.00000   120%     -    4s
     0     0   33.00000    0  530   15.00000   33.00000   120%     -    4s
H    0     0                      16.0000000   33.00000   106%     -   13s
     0     0   33.00000    0  273   16.00000   33.00000   106%     -   13s
     0     0   33.00000    0  379   16.00000   33.00000   106%     -   14s
     0     0   33.00000    0  289   16.00000   33.00000   106%     -   20s
     0     0   33.00000    0  309   16.00000   33.00000   106%     -   21s
     0     0   33.00000    0  399   16.00000   33.00000   106%     -   27s
     0     0   33.00000    0  372   16.00000   33.00000   106%     -   28s
     0     0   33.00000    0  404   16.00000   33.00000   106%     -   33s
     0     0   33.00000    0  393   16.00000   33.00000   106%     -   34s
     0     0   33.00000    0  292   16.00000   33.00000   106%     -   38s
     0     0   33.00000    0  253   16.00000   33.00000   106%     -   38s
     0     2   33.00000    0  253   16.00000   33.00000   106%     -   42s
    36    56   32.50000    7  361   16.00000   33.00000   106%   364   45s
   176   183   29.50000   24  242   16.00000   33.00000   106%   143   50s

Cutting planes:
  Gomory: 1
  Cover: 7
  Clique: 11
  MIR: 111
  StrongCG: 1
  Zero half: 3
  RLT: 50
  BQP: 2

Explored 182 nodes (77155 simplex iterations) in 50.05 seconds (43.48 work units)
Thread count was 8 (of 8 available processors)

Solution count 6: 16 15 14 ... 5

Time limit reached
Best objective 1.600000000000e+01, best bound 3.300000000000e+01, gap 106.2500%

Wrote result file './lp_solutions/grafo10397.36.sol'

