
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 14 06:25:58 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo3693.43.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/grafo3693.43.lp
Reading time = 0.22 seconds
: 110217 rows, 2664 columns, 333022 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 110217 rows, 2664 columns and 333022 nonzeros
Model fingerprint: 0x472ef60a
Variable types: 53 continuous, 2611 integer (2611 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 1.0000000
Presolve removed 22718 rows and 0 columns
Presolve time: 1.03s
Presolved: 87499 rows, 2664 columns, 265273 nonzeros
Variable types: 0 continuous, 2664 integer (2611 binary)
Found heuristic solution: objective 10.0000000
Root relaxation presolved: 2622 rows, 90121 columns, 267937 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   13710    5.7946912e+01   0.000000e+00   7.480323e+05      5s
   28063    5.6919938e+01   0.000000e+00   4.717120e+04     10s
   42767    5.6909195e+01   0.000000e+00   3.170051e+04     15s
   57698    5.6902334e+01   0.000000e+00   1.987436e+04     20s
   72820    5.6897785e+01   0.000000e+00   2.101848e+03     25s
   87266    5.6895597e+01   0.000000e+00   1.104330e+03     30s
  101877    5.6894384e+01   0.000000e+00   8.302490e+02     35s
  110197    5.7000000e+01   0.000000e+00   0.000000e+00     38s
  110197    5.7000000e+01   0.000000e+00   0.000000e+00     38s
  110197    5.7000000e+01   0.000000e+00   0.000000e+00     38s

Root relaxation: objective 5.700000e+01, 110197 iterations, 36.84 seconds (22.94 work units)

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

     0     0   57.00000    0 1952   10.00000   57.00000   470%     -   50s

Explored 1 nodes (115752 simplex iterations) in 50.03 seconds (33.69 work units)
Thread count was 8 (of 8 available processors)

Solution count 2: 10 1 

Time limit reached
Best objective 1.000000000000e+01, best bound 5.700000000000e+01, gap 470.0000%

Wrote result file './lp_solutions/grafo3693.43.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Fri Nov 22 05:52:24 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo3693.43.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/grafo3693.43.lp
Reading time = 0.17 seconds
: 110217 rows, 2664 columns, 333022 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 110217 rows, 2664 columns and 333022 nonzeros
Model fingerprint: 0x472ef60a
Variable types: 53 continuous, 2611 integer (2611 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 1.0000000
Presolve removed 22718 rows and 0 columns
Presolve time: 0.62s
Presolved: 87499 rows, 2664 columns, 265273 nonzeros
Variable types: 0 continuous, 2664 integer (2611 binary)
Found heuristic solution: objective 10.0000000
Root relaxation presolved: 2622 rows, 90121 columns, 267937 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   20030    5.6931079e+01   0.000000e+00   7.412495e+04      5s
   39967    5.6910828e+01   0.000000e+00   2.213225e+04     10s
   59785    5.6901529e+01   0.000000e+00   7.595518e+03     15s
   80287    5.6896484e+01   0.000000e+00   4.146239e+04     20s
  101174    5.6894419e+01   0.000000e+00   1.571981e+02     25s
  110197    5.7000000e+01   0.000000e+00   0.000000e+00     27s
  110197    5.7000000e+01   0.000000e+00   0.000000e+00     27s
  110197    5.7000000e+01   0.000000e+00   0.000000e+00     27s

Root relaxation: objective 5.700000e+01, 110197 iterations, 26.58 seconds (22.94 work units)

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

     0     0   57.00000    0 1952   10.00000   57.00000   470%     -   50s

Explored 1 nodes (122932 simplex iterations) in 50.03 seconds (45.07 work units)
Thread count was 8 (of 8 available processors)

Solution count 2: 10 1 

Time limit reached
Best objective 1.000000000000e+01, best bound 5.700000000000e+01, gap 470.0000%

Wrote result file './lp_solutions/grafo3693.43.sol'

