
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 13:54:33 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo1965.28.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/grafo1965.28.lp
Reading time = 0.10 seconds
: 29836 rows, 1174 columns, 90417 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 29836 rows, 1174 columns and 90417 nonzeros
Model fingerprint: 0x20ee97a7
Variable types: 35 continuous, 1139 integer (1139 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 -0.0000000
Presolve removed 6227 rows and 36 columns
Presolve time: 0.40s
Presolved: 23609 rows, 1138 columns, 72070 nonzeros
Variable types: 0 continuous, 1138 integer (1103 binary)
Found heuristic solution: objective 2.0000000
Root relaxation presolved: 13788 rows, 10959 columns, 52428 nonzeros


Root relaxation: objective 2.900000e+01, 2819 iterations, 1.87 seconds (0.85 work units)
Total elapsed time = 5.18s (DegenMoves)

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

     0     0   29.00000    0  382    2.00000   29.00000  1350%     -    7s
H    0     0                       4.0000000   29.00000   625%     -    7s
H    0     0                       5.0000000   29.00000   480%     -    7s
H    0     0                       7.0000000   29.00000   314%     -    9s
     0     0   29.00000    0  547    7.00000   29.00000   314%     -   14s
H    0     0                       8.0000000   29.00000   262%     -   14s
     0     0   29.00000    0  540    8.00000   29.00000   262%     -   14s
     0     0   29.00000    0  371    8.00000   29.00000   262%     -   34s
     0     0   29.00000    0  403    8.00000   29.00000   262%     -   36s
     0     0   29.00000    0  357    8.00000   29.00000   262%     -   50s

Cutting planes:
  Gomory: 3
  Cover: 15
  Clique: 5
  MIR: 123
  StrongCG: 2
  GUB cover: 3
  Zero half: 52
  RLT: 38

Explored 1 nodes (38123 simplex iterations) in 50.03 seconds (19.78 work units)
Thread count was 8 (of 8 available processors)

Solution count 6: 8 7 5 ... -0

Time limit reached
Best objective 8.000000000000e+00, best bound 2.900000000000e+01, gap 262.5000%

Wrote result file './lp_solutions/grafo1965.28.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 18 10:07:53 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo1965.28.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/grafo1965.28.lp
Reading time = 0.05 seconds
: 29836 rows, 1174 columns, 90417 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 29836 rows, 1174 columns and 90417 nonzeros
Model fingerprint: 0x20ee97a7
Variable types: 35 continuous, 1139 integer (1139 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 -0.0000000
Presolve removed 6227 rows and 36 columns
Presolve time: 0.19s
Presolved: 23609 rows, 1138 columns, 72070 nonzeros
Variable types: 0 continuous, 1138 integer (1103 binary)
Found heuristic solution: objective 2.0000000
Root relaxation presolved: 13788 rows, 10959 columns, 52428 nonzeros


Root relaxation: objective 2.900000e+01, 2819 iterations, 0.90 seconds (0.85 work units)

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

     0     0   29.00000    0  382    2.00000   29.00000  1350%     -    4s
H    0     0                       4.0000000   29.00000   625%     -    4s
H    0     0                       5.0000000   29.00000   480%     -    4s
H    0     0                       7.0000000   29.00000   314%     -    4s
     0     0   29.00000    0  547    7.00000   29.00000   314%     -    6s
H    0     0                       8.0000000   29.00000   262%     -    7s
     0     0   29.00000    0  540    8.00000   29.00000   262%     -    7s
     0     0   29.00000    0  371    8.00000   29.00000   262%     -   15s
     0     0   29.00000    0  403    8.00000   29.00000   262%     -   16s
H    0     0                       9.0000000   29.00000   222%     -   21s
H    0     0                      10.0000000   29.00000   190%     -   21s
     0     0   29.00000    0  357   10.00000   29.00000   190%     -   21s
     0     0   29.00000    0  371   10.00000   29.00000   190%     -   21s
     0     0   29.00000    0  274   10.00000   29.00000   190%     -   26s
     0     0   29.00000    0  273   10.00000   29.00000   190%     -   26s
     0     0   29.00000    0  317   10.00000   29.00000   190%     -   30s
     0     0   29.00000    0  305   10.00000   29.00000   190%     -   30s
     0     0   29.00000    0  195   10.00000   29.00000   190%     -   34s
     0     0   29.00000    0  263   10.00000   29.00000   190%     -   34s
     0     0   29.00000    0  164   10.00000   29.00000   190%     -   38s
     0     0   29.00000    0  267   10.00000   29.00000   190%     -   38s
     0     0   29.00000    0  439   10.00000   29.00000   190%     -   43s
     0     0   29.00000    0  454   10.00000   29.00000   190%     -   44s
     0     0   29.00000    0  229   10.00000   29.00000   190%     -   48s
     0     0   29.00000    0  224   10.00000   29.00000   190%     -   48s

Cutting planes:
  MIR: 7
  Zero half: 1
  RLT: 4

Explored 1 nodes (94824 simplex iterations) in 50.01 seconds (46.11 work units)
Thread count was 8 (of 8 available processors)

Solution count 8: 10 9 8 ... -0

Time limit reached
Best objective 1.000000000000e+01, best bound 2.900000000000e+01, gap 190.0000%

Wrote result file './lp_solutions/grafo1965.28.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 21 03:11:27 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo1965.28.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/grafo1965.28.lp
Reading time = 0.05 seconds
: 29836 rows, 1174 columns, 90417 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 29836 rows, 1174 columns and 90417 nonzeros
Model fingerprint: 0x20ee97a7
Variable types: 35 continuous, 1139 integer (1139 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 -0.0000000
Presolve removed 6227 rows and 36 columns
Presolve time: 0.19s
Presolved: 23609 rows, 1138 columns, 72070 nonzeros
Variable types: 0 continuous, 1138 integer (1103 binary)
Found heuristic solution: objective 2.0000000
Root relaxation presolved: 13788 rows, 10959 columns, 52428 nonzeros


Root relaxation: objective 2.900000e+01, 2819 iterations, 0.91 seconds (0.85 work units)

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

     0     0   29.00000    0  382    2.00000   29.00000  1350%     -    4s
H    0     0                       4.0000000   29.00000   625%     -    4s
H    0     0                       5.0000000   29.00000   480%     -    4s
H    0     0                       7.0000000   29.00000   314%     -    4s
     0     0   29.00000    0  547    7.00000   29.00000   314%     -    6s
H    0     0                       8.0000000   29.00000   262%     -    6s
     0     0   29.00000    0  540    8.00000   29.00000   262%     -    6s
     0     0   29.00000    0  371    8.00000   29.00000   262%     -   14s
     0     0   29.00000    0  403    8.00000   29.00000   262%     -   15s
H    0     0                       9.0000000   29.00000   222%     -   20s
H    0     0                      10.0000000   29.00000   190%     -   20s
     0     0   29.00000    0  357   10.00000   29.00000   190%     -   20s
     0     0   29.00000    0  371   10.00000   29.00000   190%     -   21s
     0     0   29.00000    0  274   10.00000   29.00000   190%     -   25s
     0     0   29.00000    0  273   10.00000   29.00000   190%     -   25s
     0     0   29.00000    0  317   10.00000   29.00000   190%     -   28s
     0     0   29.00000    0  305   10.00000   29.00000   190%     -   29s
     0     0   29.00000    0  195   10.00000   29.00000   190%     -   32s
     0     0   29.00000    0  263   10.00000   29.00000   190%     -   32s
     0     0   29.00000    0  164   10.00000   29.00000   190%     -   36s
     0     0   29.00000    0  267   10.00000   29.00000   190%     -   36s
     0     0   29.00000    0  439   10.00000   29.00000   190%     -   40s
     0     0   29.00000    0  454   10.00000   29.00000   190%     -   42s
     0     0   29.00000    0  229   10.00000   29.00000   190%     -   46s
     0     0   29.00000    0  224   10.00000   29.00000   190%     -   46s
     0     2   29.00000    0  204   10.00000   29.00000   190%     -   48s
    19    22   29.00000    6  339   10.00000   29.00000   190%   385   50s

Cutting planes:
  Gomory: 1
  Clique: 8
  MIR: 56
  Zero half: 3
  RLT: 29

Explored 21 nodes (102260 simplex iterations) in 50.03 seconds (49.90 work units)
Thread count was 8 (of 8 available processors)

Solution count 8: 10 9 8 ... -0

Time limit reached
Best objective 1.000000000000e+01, best bound 2.900000000000e+01, gap 190.0000%

Wrote result file './lp_solutions/grafo1965.28.sol'

