
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 11:36:41 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo11173.41.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/grafo11173.41.lp
Reading time = 0.11 seconds
: 62551 rows, 1981 columns, 189162 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 62551 rows, 1981 columns and 189162 nonzeros
Model fingerprint: 0xb82770bf
Variable types: 42 continuous, 1939 integer (1939 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 10731 rows and 17 columns
Presolve time: 0.39s
Presolved: 51820 rows, 1964 columns, 157275 nonzeros
Variable types: 0 continuous, 1964 integer (1922 binary)
Found heuristic solution: objective 10.0000000
Root relaxation presolved: 29680 rows, 24104 columns, 112995 nonzeros


Root relaxation: objective 4.400000e+01, 2737 iterations, 1.13 seconds (0.98 work units)

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

     0     0   44.00000    0  376   10.00000   44.00000   340%     -    3s
H    0     0                      13.0000000   44.00000   238%     -    3s
     0     0   44.00000    0  687   13.00000   44.00000   238%     -    9s
     0     0   44.00000    0  654   13.00000   44.00000   238%     -   10s
     0     0   44.00000    0  481   13.00000   44.00000   238%     -   25s
     0     0   44.00000    0  492   13.00000   44.00000   238%     -   25s
     0     0   44.00000    0  360   13.00000   44.00000   238%     -   32s
     0     0   44.00000    0  352   13.00000   44.00000   238%     -   33s
H    0     0                      14.0000000   44.00000   214%     -   46s
H    0     0                      15.0000000   44.00000   193%     -   46s
H    0     0                      16.0000000   44.00000   175%     -   46s
     0     0   43.75000    0  425   16.00000   43.75000   173%     -   46s
     0     0   43.75000    0  429   16.00000   43.75000   173%     -   47s
     0     0   43.75000    0  541   16.00000   43.75000   173%     -   50s

Cutting planes:
  Cover: 27
  Clique: 8
  MIR: 140
  StrongCG: 4
  GUB cover: 2
  Zero half: 71
  RLT: 54
  BQP: 1

Explored 1 nodes (54972 simplex iterations) in 50.08 seconds (41.24 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 16 15 14 ... 10

Time limit reached
Best objective 1.600000000000e+01, best bound 4.300000000000e+01, gap 168.7500%

Wrote result file './lp_solutions/grafo11173.41.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 14 02:33:58 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo11173.41.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/grafo11173.41.lp
Reading time = 0.12 seconds
: 62551 rows, 1981 columns, 189162 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 62551 rows, 1981 columns and 189162 nonzeros
Model fingerprint: 0xb82770bf
Variable types: 42 continuous, 1939 integer (1939 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 10731 rows and 17 columns
Presolve time: 0.56s
Presolved: 51820 rows, 1964 columns, 157275 nonzeros
Variable types: 0 continuous, 1964 integer (1922 binary)
Found heuristic solution: objective 10.0000000
Root relaxation presolved: 29680 rows, 24104 columns, 112995 nonzeros


Root relaxation: objective 4.400000e+01, 2737 iterations, 1.47 seconds (0.98 work units)

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

     0     0   44.00000    0  376   10.00000   44.00000   340%     -    4s
H    0     0                      13.0000000   44.00000   238%     -    4s
     0     0   44.00000    0  687   13.00000   44.00000   238%     -   13s
     0     0   44.00000    0  654   13.00000   44.00000   238%     -   14s
     0     0   44.00000    0  481   13.00000   44.00000   238%     -   33s
     0     0   44.00000    0  492   13.00000   44.00000   238%     -   34s
     0     0   44.00000    0  360   13.00000   44.00000   238%     -   43s
     0     0   44.00000    0  352   13.00000   44.00000   238%     -   44s
     0     0   44.00000    0  534   13.00000   44.00000   238%     -   50s

Cutting planes:
  Gomory: 3
  Cover: 29
  Clique: 4
  MIR: 159
  StrongCG: 1
  GUB cover: 1
  Zero half: 75
  RLT: 58

Explored 1 nodes (40510 simplex iterations) in 50.07 seconds (29.41 work units)
Thread count was 8 (of 8 available processors)

Solution count 2: 13 10 

Time limit reached
Best objective 1.300000000000e+01, best bound 4.400000000000e+01, gap 238.4615%

Wrote result file './lp_solutions/grafo11173.41.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Fri Nov 22 04:44:31 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo11173.41.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/grafo11173.41.lp
Reading time = 0.10 seconds
: 62551 rows, 1981 columns, 189162 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 62551 rows, 1981 columns and 189162 nonzeros
Model fingerprint: 0xb82770bf
Variable types: 42 continuous, 1939 integer (1939 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 10731 rows and 17 columns
Presolve time: 0.38s
Presolved: 51820 rows, 1964 columns, 157275 nonzeros
Variable types: 0 continuous, 1964 integer (1922 binary)
Found heuristic solution: objective 10.0000000
Root relaxation presolved: 29680 rows, 24104 columns, 112995 nonzeros


Root relaxation: objective 4.400000e+01, 2737 iterations, 0.98 seconds (0.98 work units)

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

     0     0   44.00000    0  376   10.00000   44.00000   340%     -    3s
H    0     0                      13.0000000   44.00000   238%     -    3s
     0     0   44.00000    0  687   13.00000   44.00000   238%     -    8s
     0     0   44.00000    0  654   13.00000   44.00000   238%     -    9s
     0     0   44.00000    0  481   13.00000   44.00000   238%     -   22s
     0     0   44.00000    0  492   13.00000   44.00000   238%     -   22s
     0     0   44.00000    0  360   13.00000   44.00000   238%     -   28s
     0     0   44.00000    0  352   13.00000   44.00000   238%     -   29s
H    0     0                      14.0000000   44.00000   214%     -   41s
H    0     0                      15.0000000   44.00000   193%     -   41s
H    0     0                      16.0000000   44.00000   175%     -   41s
     0     0   43.75000    0  425   16.00000   43.75000   173%     -   41s
     0     0   43.75000    0  429   16.00000   43.75000   173%     -   41s
     0     0   43.75000    0  441   16.00000   43.75000   173%     -   50s

Cutting planes:
  Cover: 27
  Clique: 8
  MIR: 140
  StrongCG: 4
  GUB cover: 2
  Zero half: 71
  RLT: 54
  BQP: 1

Explored 1 nodes (63097 simplex iterations) in 50.06 seconds (46.71 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 16 15 14 ... 10

Time limit reached
Best objective 1.600000000000e+01, best bound 4.300000000000e+01, gap 168.7500%

Wrote result file './lp_solutions/grafo11173.41.sol'

