
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Fri Nov  1 21:58:44 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo10280.37.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/grafo10280.37.lp
Reading time = 0.35 seconds
: 69480 rows, 1955 columns, 210103 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 69480 rows, 1955 columns and 210103 nonzeros
Model fingerprint: 0x1d8b908b
Variable types: 45 continuous, 1910 integer (1910 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 15132 rows and 33 columns
Presolve time: 1.21s
Presolved: 54348 rows, 1922 columns, 165072 nonzeros
Variable types: 0 continuous, 1922 integer (1877 binary)
Found heuristic solution: objective 6.0000000
Root relaxation presolved: 1922 rows, 56270 columns, 166994 nonzeros


Root relaxation: objective 4.500000e+01, 1124 iterations, 0.65 seconds (0.22 work units)
Total elapsed time = 5.17s (DegenMoves)

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

     0     0   45.00000    0  349    6.00000   45.00000   650%     -    6s
H    0     0                      10.0000000   45.00000   350%     -    7s
H    0     0                      11.0000000   45.00000   309%     -   39s
     0     0   45.00000    0  602   11.00000   45.00000   309%     -   39s
     0     0   45.00000    0  519   11.00000   45.00000   309%     -   43s

Cutting planes:
  Gomory: 9
  Lift-and-project: 10
  Cover: 13
  Clique: 10
  MIR: 171
  StrongCG: 1
  GUB cover: 7
  Zero half: 88
  RLT: 46
  BQP: 1

Explored 1 nodes (12287 simplex iterations) in 51.89 seconds (9.57 work units)
Thread count was 8 (of 8 available processors)

Solution count 4: 11 10 6 2 

Time limit reached
Best objective 1.100000000000e+01, best bound 4.500000000000e+01, gap 309.0909%

Wrote result file './lp_solutions/grafo10280.37.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 10:48:39 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo10280.37.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/grafo10280.37.lp
Reading time = 0.12 seconds
: 69480 rows, 1955 columns, 210103 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 69480 rows, 1955 columns and 210103 nonzeros
Model fingerprint: 0x1d8b908b
Variable types: 45 continuous, 1910 integer (1910 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 15132 rows and 33 columns
Presolve time: 0.50s
Presolved: 54348 rows, 1922 columns, 165072 nonzeros
Variable types: 0 continuous, 1922 integer (1877 binary)
Found heuristic solution: objective 6.0000000
Root relaxation presolved: 1922 rows, 56270 columns, 166994 nonzeros


Root relaxation: objective 4.500000e+01, 1124 iterations, 0.27 seconds (0.22 work units)

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

     0     0   45.00000    0  349    6.00000   45.00000   650%     -    2s
H    0     0                      10.0000000   45.00000   350%     -    3s
H    0     0                      11.0000000   45.00000   309%     -    9s
     0     0   45.00000    0  602   11.00000   45.00000   309%     -    9s
     0     0   45.00000    0  519   11.00000   45.00000   309%     -   11s
H    0     0                      13.0000000   45.00000   246%     -   41s
H    0     0                      14.0000000   45.00000   221%     -   41s
H    0     0                      15.0000000   45.00000   200%     -   41s
     0     0   45.00000    0  562   15.00000   45.00000   200%     -   41s
H    0     0                      16.0000000   45.00000   181%     -   45s
H    0     0                      17.0000000   45.00000   165%     -   45s
     0     0   45.00000    0  564   17.00000   45.00000   165%     -   45s
     0     0          -    0        17.00000   45.00000   165%     -   50s

Cutting planes:
  Cover: 28
  Clique: 18
  MIR: 149
  StrongCG: 2
  GUB cover: 4
  Zero half: 40
  RLT: 69

Explored 1 nodes (40906 simplex iterations) in 50.06 seconds (40.88 work units)
Thread count was 8 (of 8 available processors)

Solution count 9: 17 16 15 ... 2

Time limit reached
Best objective 1.700000000000e+01, best bound 4.500000000000e+01, gap 164.7059%

Wrote result file './lp_solutions/grafo10280.37.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 14 01:58:45 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo10280.37.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/grafo10280.37.lp
Reading time = 0.16 seconds
: 69480 rows, 1955 columns, 210103 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 69480 rows, 1955 columns and 210103 nonzeros
Model fingerprint: 0x1d8b908b
Variable types: 45 continuous, 1910 integer (1910 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 15132 rows and 33 columns
Presolve time: 0.77s
Presolved: 54348 rows, 1922 columns, 165072 nonzeros
Variable types: 0 continuous, 1922 integer (1877 binary)
Found heuristic solution: objective 6.0000000
Root relaxation presolved: 1922 rows, 56270 columns, 166994 nonzeros


Root relaxation: objective 4.500000e+01, 1124 iterations, 0.40 seconds (0.22 work units)

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

     0     0   45.00000    0  349    6.00000   45.00000   650%     -    3s
H    0     0                      10.0000000   45.00000   350%     -    4s
H    0     0                      11.0000000   45.00000   309%     -   12s
     0     0   45.00000    0  602   11.00000   45.00000   309%     -   12s
     0     0   45.00000    0  519   11.00000   45.00000   309%     -   14s
H    0     0                      13.0000000   45.00000   246%     -   49s
H    0     0                      14.0000000   45.00000   221%     -   49s
H    0     0                      15.0000000   45.00000   200%     -   49s
     0     0   45.00000    0  562   15.00000   45.00000   200%     -   49s
     0     0          -    0        15.00000   45.00000   200%     -   50s

Cutting planes:
  Gomory: 5
  Cover: 5
  Clique: 16
  MIR: 62
  GUB cover: 1
  Zero half: 16
  RLT: 36
  BQP: 2

Explored 1 nodes (35423 simplex iterations) in 50.08 seconds (35.25 work units)
Thread count was 8 (of 8 available processors)

Solution count 7: 15 14 13 ... 2

Time limit reached
Best objective 1.500000000000e+01, best bound 4.500000000000e+01, gap 200.0000%

Wrote result file './lp_solutions/grafo10280.37.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 21 07:59:14 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo10280.37.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/grafo10280.37.lp
Reading time = 0.12 seconds
: 69480 rows, 1955 columns, 210103 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 69480 rows, 1955 columns and 210103 nonzeros
Model fingerprint: 0x1d8b908b
Variable types: 45 continuous, 1910 integer (1910 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 15132 rows and 33 columns
Presolve time: 0.49s
Presolved: 54348 rows, 1922 columns, 165072 nonzeros
Variable types: 0 continuous, 1922 integer (1877 binary)
Found heuristic solution: objective 6.0000000
Root relaxation presolved: 1922 rows, 56270 columns, 166994 nonzeros


Root relaxation: objective 4.500000e+01, 1124 iterations, 0.24 seconds (0.22 work units)

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

     0     0   45.00000    0  349    6.00000   45.00000   650%     -    2s
H    0     0                      10.0000000   45.00000   350%     -    2s
H    0     0                      11.0000000   45.00000   309%     -    8s
     0     0   45.00000    0  602   11.00000   45.00000   309%     -    8s
     0     0   45.00000    0  519   11.00000   45.00000   309%     -   10s
H    0     0                      13.0000000   45.00000   246%     -   35s
H    0     0                      14.0000000   45.00000   221%     -   35s
H    0     0                      15.0000000   45.00000   200%     -   35s
     0     0   45.00000    0  562   15.00000   45.00000   200%     -   35s
H    0     0                      16.0000000   45.00000   181%     -   37s
H    0     0                      17.0000000   45.00000   165%     -   37s
     0     0   45.00000    0  564   17.00000   45.00000   165%     -   37s
     0     0   45.00000    0  646   17.00000   45.00000   165%     -   50s

Cutting planes:
  Cover: 28
  Clique: 18
  MIR: 149
  StrongCG: 2
  GUB cover: 4
  Zero half: 40
  RLT: 69

Explored 1 nodes (48003 simplex iterations) in 50.08 seconds (47.52 work units)
Thread count was 8 (of 8 available processors)

Solution count 9: 17 16 15 ... 2

Time limit reached
Best objective 1.700000000000e+01, best bound 4.500000000000e+01, gap 164.7059%

Wrote result file './lp_solutions/grafo10280.37.sol'

