
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 11:45:04 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo11278.37.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/grafo11278.37.lp
Reading time = 0.13 seconds
: 75738 rows, 1920 columns, 228838 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 75738 rows, 1920 columns and 228838 nonzeros
Model fingerprint: 0x3d371f00
Variable types: 44 continuous, 1876 integer (1876 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]
Presolve removed 19501 rows and 27 columns
Presolve time: 0.58s
Presolved: 56237 rows, 1893 columns, 170683 nonzeros
Variable types: 0 continuous, 1893 integer (1849 binary)
Found heuristic solution: objective 3.0000000
Root relaxation presolved: 1893 rows, 58130 columns, 172576 nonzeros


Root relaxation: objective 4.400000e+01, 1649 iterations, 0.33 seconds (0.29 work units)

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

     0     0   44.00000    0  322    3.00000   44.00000  1367%     -    3s
H    0     0                       6.0000000   44.00000   633%     -    4s
H    0     0                       8.0000000   44.00000   450%     -    4s
H    0     0                      11.0000000   44.00000   300%     -    4s
     0     0   44.00000    0  766   11.00000   44.00000   300%     -   14s
     0     0   44.00000    0  690   11.00000   44.00000   300%     -   14s
H    0     0                      13.0000000   44.00000   238%     -   40s
H    0     0                      14.0000000   44.00000   214%     -   40s
H    0     0                      15.0000000   44.00000   193%     -   40s
H    0     0                      16.0000000   44.00000   175%     -   40s
     0     0   44.00000    0  533   16.00000   44.00000   175%     -   40s
     0     0   44.00000    0  525   16.00000   44.00000   175%     -   40s
     0     0   44.00000    0  744   16.00000   44.00000   175%     -   50s

Cutting planes:
  Lift-and-project: 2
  Cover: 39
  Clique: 13
  MIR: 184
  StrongCG: 6
  GUB cover: 3
  Zero half: 74
  RLT: 76
  BQP: 3

Explored 1 nodes (39500 simplex iterations) in 50.07 seconds (39.17 work units)
Thread count was 8 (of 8 available processors)

Solution count 8: 16 15 14 ... 3

Time limit reached
Best objective 1.600000000000e+01, best bound 4.400000000000e+01, gap 175.0000%

Wrote result file './lp_solutions/grafo11278.37.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 14 02:41:31 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo11278.37.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/grafo11278.37.lp
Reading time = 0.14 seconds
: 75738 rows, 1920 columns, 228838 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 75738 rows, 1920 columns and 228838 nonzeros
Model fingerprint: 0x3d371f00
Variable types: 44 continuous, 1876 integer (1876 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]
Presolve removed 19501 rows and 27 columns
Presolve time: 0.78s
Presolved: 56237 rows, 1893 columns, 170683 nonzeros
Variable types: 0 continuous, 1893 integer (1849 binary)
Found heuristic solution: objective 3.0000000
Root relaxation presolved: 1893 rows, 58130 columns, 172576 nonzeros


Root relaxation: objective 4.400000e+01, 1649 iterations, 0.49 seconds (0.29 work units)
Total elapsed time = 5.11s (DegenMoves)

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

     0     0   44.00000    0  322    3.00000   44.00000  1367%     -    5s
H    0     0                       6.0000000   44.00000   633%     -    5s
H    0     0                       8.0000000   44.00000   450%     -    5s
H    0     0                      11.0000000   44.00000   300%     -    6s
     0     0   44.00000    0  766   11.00000   44.00000   300%     -   18s
     0     0   44.00000    0  690   11.00000   44.00000   300%     -   19s
H    0     0                      13.0000000   44.00000   238%     -   49s
H    0     0                      14.0000000   44.00000   214%     -   49s
H    0     0                      15.0000000   44.00000   193%     -   49s
H    0     0                      16.0000000   44.00000   175%     -   49s
     0     0   44.00000    0  533   16.00000   44.00000   175%     -   50s

Cutting planes:
  Gomory: 6
  Lift-and-project: 53
  Cover: 22
  Clique: 3
  MIR: 150
  StrongCG: 1
  Zero half: 22
  RLT: 58
  BQP: 2

Explored 1 nodes (33520 simplex iterations) in 50.08 seconds (32.00 work units)
Thread count was 8 (of 8 available processors)

Solution count 8: 16 15 14 ... 3

Time limit reached
Best objective 1.600000000000e+01, best bound 4.400000000000e+01, gap 175.0000%

Wrote result file './lp_solutions/grafo11278.37.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 21 08:06:46 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo11278.37.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/grafo11278.37.lp
Reading time = 0.13 seconds
: 75738 rows, 1920 columns, 228838 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 75738 rows, 1920 columns and 228838 nonzeros
Model fingerprint: 0x3d371f00
Variable types: 44 continuous, 1876 integer (1876 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]
Presolve removed 19501 rows and 27 columns
Presolve time: 0.53s
Presolved: 56237 rows, 1893 columns, 170683 nonzeros
Variable types: 0 continuous, 1893 integer (1849 binary)
Found heuristic solution: objective 3.0000000
Root relaxation presolved: 1893 rows, 58130 columns, 172576 nonzeros


Root relaxation: objective 4.400000e+01, 1649 iterations, 0.31 seconds (0.29 work units)

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

     0     0   44.00000    0  322    3.00000   44.00000  1367%     -    3s
H    0     0                       6.0000000   44.00000   633%     -    3s
H    0     0                       8.0000000   44.00000   450%     -    3s
H    0     0                      11.0000000   44.00000   300%     -    4s
     0     0   44.00000    0  766   11.00000   44.00000   300%     -   12s
     0     0   44.00000    0  690   11.00000   44.00000   300%     -   13s
H    0     0                      13.0000000   44.00000   238%     -   35s
H    0     0                      14.0000000   44.00000   214%     -   35s
H    0     0                      15.0000000   44.00000   193%     -   35s
H    0     0                      16.0000000   44.00000   175%     -   35s
     0     0   44.00000    0  533   16.00000   44.00000   175%     -   35s
     0     0   44.00000    0  525   16.00000   44.00000   175%     -   36s
     0     0   44.00000    0  744   16.00000   44.00000   175%     -   50s

Cutting planes:
  Lift-and-project: 2
  Cover: 39
  Clique: 13
  MIR: 184
  StrongCG: 6
  GUB cover: 3
  Zero half: 74
  RLT: 76
  BQP: 3

Explored 1 nodes (44385 simplex iterations) in 50.06 seconds (43.54 work units)
Thread count was 8 (of 8 available processors)

Solution count 8: 16 15 14 ... 3

Time limit reached
Best objective 1.600000000000e+01, best bound 4.400000000000e+01, gap 175.0000%

Wrote result file './lp_solutions/grafo11278.37.sol'

