                                   MODFLOW 6
                U.S. GEOLOGICAL SURVEY MODULAR HYDROLOGIC MODEL
                   VERSION 6.3.0 release candidate 03/08/2022
                               ***DEVELOP MODE***

   MODFLOW 6 compiled Mar 08 2022 20:13:10 with Intel(R) Fortran Intel(R) 64
   Compiler Classic for applications running on Intel(R) 64, Version 2021.5.0
                             Build 20211109_000000

This software is preliminary or provisional and is subject to 
revision. It is being provided to meet the need for timely best 
science. The software has not received final approval by the U.S. 
Geological Survey (USGS). No warranty, expressed or implied, is made 
by the USGS or the U.S. Government as to the functionality of the 
software and related material nor shall the fact of release 
constitute any such warranty. The software is provided on the 
condition that neither the USGS nor the U.S. Government shall be held 
liable for any damages resulting from the authorized or unauthorized 
use of the software.


As a work of the United States Government, this USGS product is 
in the public domain within the United States. You can copy, 
modify, distribute, and perform the work, even for commercial 
purposes, all without asking permission. Additionally, USGS 
waives copyright and related rights in the work worldwide 
through CC0 1.0 Universal Public Domain Dedication 
(https://creativecommons.org/publicdomain/zero/1.0/).

The following GNU Lesser General Public License (LGPL) libraries
are used in this USGS product:

    SPARSKIT version 2.0
      ilut, luson, and qsplit 
      (https://www-users.cse.umn.edu/~saad/software/SPARSKIT/)

    RCM - Reverse Cuthill McKee Ordering
      (https://people.math.sc.edu/Burkardt/f_src/rcm/rcm.html)

    BLAS - Basic Linear Algebra Subprograms Level 1
      (https://people.math.sc.edu/Burkardt/f_src/blas1_d/blas1_d.html)

    SPARSEKIT - Sparse Matrix Utility Package
      amux, dperm, dvperm, rperm, and cperm
      (https://people.sc.fsu.edu/~jburkardt/f77_src/sparsekit/sparsekit.html)

The following BSD-3 License libraries are used in this USGS product:

    Modern Fortran DAG Library
      Copyright (c) 2018, Jacob Williams
      All rights reserved.
      (https://github.com/jacobwilliams/daglib)

MODFLOW 6 compiler options: -Ilinux/obj_temp -O2 -no-heap-arrays -fpe0
-traceback -fpp -module linux/mod_temp/ -c -o linux/obj_temp/compilerversion.o

System command used to initiate simulation:
/mnt/bin/mf6

MODFLOW was compiled using uniform precision.

Real Variables
  KIND: 8
  TINY (smallest non-zero value):    2.225074-308
  HUGE (largest value):    1.797693+308
  PRECISION: 15
  BIT SIZE: 64

Integer Variables
  KIND: 4
  HUGE (largest value): 2147483647
  BIT SIZE: 32

Long Integer Variables
  KIND: 8
  HUGE (largest value): 9223372036854775807
  BIT SIZE: 64

Logical Variables
  KIND: 4
  BIT SIZE: 32
 

 OPENED mfsim.nam
 FILE TYPE:NAM   UNIT 1001   STATUS:OLD                 
 FORMAT:FORMATTED              ACCESS:SEQUENTIAL          
 ACTION:READ                

 # File generated by Flopy version 3.3.5 on 04/27/2023 at 15:08:21.

 READING SIMULATION OPTIONS
    SIMULATION WILL CONTINUE EVEN IF THERE IS NONCONVERGENCE.
 END OF SIMULATION OPTIONS

 READING SIMULATION TIMING

 OPENED tupacModel.tdis
 FILE TYPE:TDIS   UNIT 1002   STATUS:OLD                 
 FORMAT:FORMATTED              ACCESS:SEQUENTIAL          
 ACTION:READ                


 TDIS -- TEMPORAL DISCRETIZATION PACKAGE,
 VERSION 1 : 11/13/2014 - INPUT READ FROM UNIT 1002
 # File generated by Flopy version 3.3.5 on 04/27/2023 at 15:08:21.
 PROCESSING TDIS OPTIONS
    SIMULATION TIME UNIT IS SECONDS
    SIMULATION STARTING DATE AND TIME IS 00:00:00+00:00                
 END OF TDIS OPTIONS
 PROCESSING TDIS DIMENSIONS
    2 STRESS PERIOD(S) IN SIMULATION
 END OF TDIS DIMENSIONS
 PROCESSING TDIS PERIODDATA


 STRESS PERIOD     LENGTH       TIME STEPS     MULTIPLIER FOR DELT
 ----------------------------------------------------------------------------
        1        6.3115200E+08      1                    1.000
        2        6.3115200E+08      4                    1.000
 END OF TDIS PERIODDATA
 END OF SIMULATION TIMING

 READING SIMULATION MODELS
    GWF6 model TUPACMODEL will be created as model 1
 END OF SIMULATION MODELS

 READING SIMULATION EXCHANGES
 END OF SIMULATION EXCHANGES

 READING SOLUTIONGROUP

 Creating solution: SLN_1           

 OPENED tupacModel.ims
 FILE TYPE:IMS   UNIT 1014   STATUS:OLD                 
 FORMAT:FORMATTED              ACCESS:SEQUENTIAL          
 ACTION:READ                

 END OF SIMULATION SOLUTIONGROUP

PROCESSING MODEL CONNECTIONS

 IMS -- ITERATIVE MODEL SOLUTION PACKAGE, VERSION 6, 4/28/2017
         INPUT READ FROM UNIT 1014
 # File generated by Flopy version 3.3.5 on 04/27/2023 at 15:08:21.

 PROCESSING IMS OPTIONS
 COMPLEX OPTION:
 DEFAULT SOLVER INPUT VALUES REFLECT STRONGLY NONLINEAR MODEL
 END OF IMS OPTIONS
 **UNDER-RELAXATION WILL BE USED***
 
 ***IMS LINEAR SOLVER WILL BE USED***

 IMSLINEAR -- UNSTRUCTURED LINEAR SOLUTION PACKAGE, VERSION 8, 04/28/2017

 PROCESSING LINEAR DATA
 END OF LINEAR DATA
 
 An asymmetric matrix will be solved

 OUTER ITERATION CONVERGENCE CRITERION    (DVCLOSE) =    0.100000E+00
 MAXIMUM NUMBER OF OUTER ITERATIONS        (MXITER) = 100
 SOLVER PRINTOUT INDEX                     (IPRIMS) = 0
 NONLINEAR ITERATION METHOD            (NONLINMETH) = 3
 LINEAR SOLUTION METHOD                   (LINMETH) = 1
 UNDER-RELAXATION WEIGHT REDUCTION FACTOR   (THETA) =    0.800000E+00
 UNDER-RELAXATION WEIGHT INCREASE INCREMENT (KAPPA) =    0.100000E-03
 UNDER-RELAXATION PREVIOUS HISTORY FACTOR   (GAMMA) =    0.000000E+00
 UNDER-RELAXATION MOMENTUM TERM         (AMOMENTUM) =    0.000000E+00
 MAXIMUM NUMBER OF BACKTRACKS            (NUMTRACK) = 20
 BACKTRACKING TOLERANCE FACTOR               (BTOL) =    0.105000E+01
 BACKTRACKING REDUCTION FACTOR             (BREDUC) =    0.100000E+00
 BACKTRACKING RESIDUAL LIMIT              (RES_LIM) =    0.200000E-02

       SOLUTION BY THE BICONJUGATE-GRADIENT STABILIZED METHOD
 ------------------------------------------------------------------
 MAXIMUM OF 100 CALLS OF SOLUTION ROUTINE
 MAXIMUM OF 500 INTERNAL ITERATIONS PER CALL TO SOLUTION ROUTINE
 LINEAR ACCELERATION METHOD            = BCGS      
 MATRIX PRECONDITIONING TYPE           = INCOMPLETE LUT      
 MATRIX SCALING APPROACH               = NO SCALING          
 MATRIX REORDERING APPROACH            = ORIGINAL ORDERING        
 NUMBER OF ORTHOGONALIZATIONS          = 2
 HEAD CHANGE CRITERION FOR CLOSURE     =    0.10000E+00
 RESIDUAL CHANGE CRITERION FOR CLOSURE =    0.10000E+00
 RESIDUAL CONVERGENCE OPTION           = 0
 RESIDUAL CONVERGENCE NORM             = INFINITY NORM   
 RELAXATION FACTOR                     =    0.00000E+00
 NUMBER OF LEVELS                      =              5
 DROP TOLERANCE                        =    0.10000E-03


 
    Solving:  Stress period:     1    Time step:     1
 
1
                            STRESS PERIOD NO. 1, LENGTH =  0.6311520E+09
                            -----------------------------------------------
                            NUMBER OF TIME STEPS = 1
                            MULTIPLIER FOR DELT =     1.000
                            INITIAL TIME STEP SIZE =  0.6311520E+09
 
    Solving:  Stress period:     2    Time step:     1
 
1
                            STRESS PERIOD NO. 2, LENGTH =  0.6311520E+09
                            -----------------------------------------------
                            NUMBER OF TIME STEPS = 4
                            MULTIPLIER FOR DELT =     1.000
                            INITIAL TIME STEP SIZE =  0.1577880E+09
 Solution 1 did not converge for stress period 2 and time step 1
 Solution Group 1 did not converge for stress period 2 and time step 1
 
    Solving:  Stress period:     2    Time step:     2
 
 
    Solving:  Stress period:     2    Time step:     3
 
 
    Solving:  Stress period:     2    Time step:     4
 


 Solution SLN_1 summary
 ----------------------------------------------------------------------
 Total formulate time:  .2987099999999967 seconds
 Total solution time:   2.813918000000002 seconds


 MEMORY MANAGER TOTAL STORAGE BY DATA TYPE, IN MEGABYTES
 -------------------------------
                    ALLOCATED   
 DATA TYPE           MEMORY     
 -------------------------------
 Character        2.53300000E-03
 Logical          4.40000000E-05
 Integer          4.6851480     
 Real             9.4075920     
 -------------------------------
 Total            14.095317     
 -------------------------------


 
 Run end date and time (yyyy/mm/dd hh:mm:ss): 2023/04/27 15:08:25
 Elapsed run time:  3.769 Seconds

WARNING REPORT:

  1.  Simulation convergence failure occurred 1 time(s).
 Normal termination of simulation.
