TSTP Solution File: GRA004+1 by Princess---230619

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Princess---230619
% Problem  : GRA004+1 : TPTP v8.1.2. Bugfixed v3.2.0.
% Transfm  : none
% Format   : tptp
% Command  : princess -inputFormat=tptp +threads -portfolio=casc +printProof -timeoutSec=%d %s

% Computer : n019.cluster.edu
% Model    : x86_64 x86_64
% CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory   : 8042.1875MB
% OS       : Linux 3.10.0-693.el7.x86_64
% CPULimit : 300s
% WCLimit  : 300s
% DateTime : Thu Aug 31 00:04:27 EDT 2023

% Result   : Theorem 14.48s 3.02s
% Output   : Proof 30.93s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.12  % Problem  : GRA004+1 : TPTP v8.1.2. Bugfixed v3.2.0.
% 0.00/0.13  % Command  : princess -inputFormat=tptp +threads -portfolio=casc +printProof -timeoutSec=%d %s
% 0.12/0.34  % Computer : n019.cluster.edu
% 0.12/0.34  % Model    : x86_64 x86_64
% 0.12/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.34  % Memory   : 8042.1875MB
% 0.12/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.34  % CPULimit : 300
% 0.12/0.34  % WCLimit  : 300
% 0.12/0.34  % DateTime : Sun Aug 27 03:54:58 EDT 2023
% 0.19/0.34  % CPUTime  : 
% 0.19/0.69  ________       _____
% 0.19/0.69  ___  __ \_________(_)________________________________
% 0.19/0.69  __  /_/ /_  ___/_  /__  __ \  ___/  _ \_  ___/_  ___/
% 0.19/0.69  _  ____/_  /   _  / _  / / / /__ /  __/(__  )_(__  )
% 0.19/0.69  /_/     /_/    /_/  /_/ /_/\___/ \___//____/ /____/
% 0.19/0.69  
% 0.19/0.69  A Theorem Prover for First-Order Logic modulo Linear Integer Arithmetic
% 0.19/0.69  (2023-06-19)
% 0.19/0.69  
% 0.19/0.69  (c) Philipp Rümmer, 2009-2023
% 0.19/0.69  Contributors: Peter Backeman, Peter Baumgartner, Angelo Brillout, Zafer Esen,
% 0.19/0.69                Amanda Stjerna.
% 0.19/0.69  Free software under BSD-3-Clause.
% 0.19/0.69  
% 0.19/0.69  For more information, visit http://www.philipp.ruemmer.org/princess.shtml
% 0.19/0.69  
% 0.19/0.69  Loading /export/starexec/sandbox2/benchmark/theBenchmark.p ...
% 0.19/0.72  Running up to 7 provers in parallel.
% 0.19/0.74  Prover 0: Options:  +triggersInConjecture +genTotalityAxioms +tightFunctionScopes -clausifier=simple -reverseFunctionalityPropagation -boolFunsAsPreds -triggerStrategy=allUni -realRatSaturationRounds=0 -ignoreQuantifiers -constructProofs=never -generateTriggers=all -randomSeed=1042961893
% 0.19/0.74  Prover 1: Options:  +triggersInConjecture -genTotalityAxioms -tightFunctionScopes -clausifier=none -reverseFunctionalityPropagation -boolFunsAsPreds -triggerStrategy=maximal -realRatSaturationRounds=0 +ignoreQuantifiers -constructProofs=always -generateTriggers=all -randomSeed=-1571432423
% 0.19/0.74  Prover 3: Options:  +triggersInConjecture -genTotalityAxioms -tightFunctionScopes -clausifier=none -reverseFunctionalityPropagation -boolFunsAsPreds -triggerStrategy=maximal -realRatSaturationRounds=1 +ignoreQuantifiers -constructProofs=never -generateTriggers=all -randomSeed=1922548996
% 0.19/0.74  Prover 4: Options:  +triggersInConjecture -genTotalityAxioms -tightFunctionScopes -clausifier=simple -reverseFunctionalityPropagation -boolFunsAsPreds -triggerStrategy=allUni -realRatSaturationRounds=0 +ignoreQuantifiers -constructProofs=always -generateTriggers=all -randomSeed=1868514696
% 0.19/0.74  Prover 6: Options:  -triggersInConjecture -genTotalityAxioms +tightFunctionScopes -clausifier=none +reverseFunctionalityPropagation -boolFunsAsPreds -triggerStrategy=maximalOutermost -realRatSaturationRounds=0 -ignoreQuantifiers -constructProofs=never -generateTriggers=all -randomSeed=-1399714365
% 0.19/0.74  Prover 5: Options:  +triggersInConjecture -genTotalityAxioms +tightFunctionScopes -clausifier=none +reverseFunctionalityPropagation +boolFunsAsPreds -triggerStrategy=allMaximal -realRatSaturationRounds=1 -ignoreQuantifiers -constructProofs=never -generateTriggers=complete -randomSeed=1259561288
% 0.19/0.74  Prover 2: Options:  +triggersInConjecture +genTotalityAxioms -tightFunctionScopes -clausifier=simple +reverseFunctionalityPropagation +boolFunsAsPreds -triggerStrategy=allMinimalAndEmpty -realRatSaturationRounds=1 -ignoreQuantifiers -constructProofs=never -generateTriggers=all -randomSeed=-1065072994
% 3.24/1.25  Prover 4: Preprocessing ...
% 3.24/1.25  Prover 1: Preprocessing ...
% 3.24/1.28  Prover 5: Preprocessing ...
% 3.24/1.28  Prover 2: Preprocessing ...
% 3.24/1.28  Prover 3: Preprocessing ...
% 3.24/1.28  Prover 0: Preprocessing ...
% 3.24/1.28  Prover 6: Preprocessing ...
% 7.77/1.93  Prover 3: Constructing countermodel ...
% 7.87/1.94  Prover 1: Constructing countermodel ...
% 7.87/1.95  Prover 6: Proving ...
% 7.87/1.99  Prover 2: Proving ...
% 7.87/1.99  Prover 5: Proving ...
% 8.39/2.15  Prover 4: Constructing countermodel ...
% 9.01/2.20  Prover 0: Proving ...
% 14.48/3.02  Prover 5: proved (2284ms)
% 14.48/3.02  
% 14.48/3.02  % SZS status Theorem for /export/starexec/sandbox2/benchmark/theBenchmark.p
% 14.48/3.02  
% 14.48/3.02  Prover 3: stopped
% 14.48/3.02  Prover 7: Options:  +triggersInConjecture -genTotalityAxioms +tightFunctionScopes -clausifier=simple +reverseFunctionalityPropagation +boolFunsAsPreds -triggerStrategy=allUni -realRatSaturationRounds=1 +ignoreQuantifiers -constructProofs=always -generateTriggers=all -randomSeed=-236303470
% 14.48/3.02  Prover 0: stopped
% 14.48/3.03  Prover 6: stopped
% 14.48/3.03  Prover 8: Options:  +triggersInConjecture +genTotalityAxioms -tightFunctionScopes -clausifier=none -reverseFunctionalityPropagation -boolFunsAsPreds -triggerStrategy=maximal -realRatSaturationRounds=0 +ignoreQuantifiers -constructProofs=always -generateTriggers=all -randomSeed=-200781089
% 14.48/3.03  Prover 10: Options:  +triggersInConjecture -genTotalityAxioms +tightFunctionScopes -clausifier=simple -reverseFunctionalityPropagation +boolFunsAsPreds -triggerStrategy=maximal -realRatSaturationRounds=1 +ignoreQuantifiers -constructProofs=always -generateTriggers=all -randomSeed=919308125
% 14.48/3.03  Prover 11: Options:  +triggersInConjecture -genTotalityAxioms +tightFunctionScopes -clausifier=simple -reverseFunctionalityPropagation -boolFunsAsPreds -triggerStrategy=allUni -realRatSaturationRounds=1 +ignoreQuantifiers -constructProofs=always -generateTriggers=all -randomSeed=-1509710984
% 14.48/3.03  Prover 2: stopped
% 14.48/3.03  Prover 13: Options:  +triggersInConjecture -genTotalityAxioms -tightFunctionScopes -clausifier=simple -reverseFunctionalityPropagation +boolFunsAsPreds -triggerStrategy=maximal -realRatSaturationRounds=0 +ignoreQuantifiers -constructProofs=always -generateTriggers=complete -randomSeed=1138197443
% 16.28/3.11  Prover 13: Preprocessing ...
% 16.43/3.13  Prover 8: Preprocessing ...
% 16.43/3.13  Prover 7: Preprocessing ...
% 16.43/3.13  Prover 11: Preprocessing ...
% 16.43/3.14  Prover 10: Preprocessing ...
% 17.21/3.23  Prover 8: Warning: ignoring some quantifiers
% 17.21/3.24  Prover 13: Warning: ignoring some quantifiers
% 17.21/3.24  Prover 8: Constructing countermodel ...
% 17.21/3.28  Prover 13: Constructing countermodel ...
% 17.21/3.29  Prover 7: Warning: ignoring some quantifiers
% 17.73/3.30  Prover 7: Constructing countermodel ...
% 17.73/3.30  Prover 10: Warning: ignoring some quantifiers
% 17.73/3.31  Prover 10: Constructing countermodel ...
% 17.73/3.34  Prover 10: gave up
% 17.73/3.35  Prover 16: Options:  +triggersInConjecture -genTotalityAxioms +tightFunctionScopes -clausifier=simple +reverseFunctionalityPropagation +boolFunsAsPreds -triggerStrategy=maximal -realRatSaturationRounds=1 +ignoreQuantifiers -constructProofs=always -generateTriggers=completeFrugal -randomSeed=-2043353683
% 17.73/3.36  Prover 7: gave up
% 17.73/3.37  Prover 19: Options:  +triggersInConjecture -genTotalityAxioms -tightFunctionScopes -clausifier=none -reverseFunctionalityPropagation -boolFunsAsPreds -triggerStrategy=maximal -realRatSaturationRounds=1 +ignoreQuantifiers -constructProofs=always -generateTriggers=complete -randomSeed=-1780594085
% 18.39/3.39  Prover 16: Preprocessing ...
% 18.55/3.41  Prover 19: Preprocessing ...
% 18.71/3.44  Prover 11: Constructing countermodel ...
% 18.71/3.48  Prover 16: Warning: ignoring some quantifiers
% 18.71/3.48  Prover 16: Constructing countermodel ...
% 18.71/3.57  Prover 19: Warning: ignoring some quantifiers
% 18.71/3.57  Prover 19: Constructing countermodel ...
% 29.65/4.96  Prover 11: Found proof (size 129)
% 29.65/4.96  Prover 11: proved (1935ms)
% 29.65/4.96  Prover 19: stopped
% 29.65/4.96  Prover 4: stopped
% 29.65/4.96  Prover 1: stopped
% 29.65/4.96  Prover 13: stopped
% 29.65/4.97  Prover 16: stopped
% 29.65/4.97  Prover 8: stopped
% 29.65/4.97  
% 29.65/4.97  % SZS status Theorem for /export/starexec/sandbox2/benchmark/theBenchmark.p
% 29.65/4.97  
% 29.65/4.98  % SZS output start Proof for theBenchmark
% 29.65/4.98  Assumptions after simplification:
% 29.65/4.98  ---------------------------------
% 29.65/4.98  
% 29.65/4.98    (on_path_properties)
% 29.65/5.01     ! [v0: $i] :  ! [v1: $i] :  ! [v2: $i] :  ! [v3: $i] :  ! [v4: $i] :  ! [v5:
% 29.65/5.01      any] : ( ~ (in_path(v4, v2) = v5) |  ~ (path(v0, v1, v2) = 0) |  ~
% 29.65/5.01      (head_of(v3) = v4) |  ~ $i(v3) |  ~ $i(v2) |  ~ $i(v1) |  ~ $i(v0) |  ? [v6:
% 29.65/5.01        int] :  ? [v7: int] :  ? [v8: $i] :  ? [v9: int] : ((v9 = 0 & v7 = 0 & v5
% 29.65/5.01          = 0 & in_path(v8, v2) = 0 & edge(v3) = 0 & tail_of(v3) = v8 & $i(v8)) |
% 29.65/5.01        ( ~ (v6 = 0) & on_path(v3, v2) = v6))) &  ! [v0: $i] :  ! [v1: $i] :  !
% 29.65/5.01    [v2: $i] :  ! [v3: $i] :  ! [v4: $i] :  ! [v5: any] : ( ~ (in_path(v4, v2) =
% 29.65/5.01        v5) |  ~ (path(v0, v1, v2) = 0) |  ~ (tail_of(v3) = v4) |  ~ $i(v3) |  ~
% 29.65/5.01      $i(v2) |  ~ $i(v1) |  ~ $i(v0) |  ? [v6: int] :  ? [v7: int] :  ? [v8: $i] :
% 29.65/5.01       ? [v9: int] : ((v9 = 0 & v7 = 0 & v5 = 0 & in_path(v8, v2) = 0 &
% 29.65/5.01          head_of(v3) = v8 & edge(v3) = 0 & $i(v8)) | ( ~ (v6 = 0) & on_path(v3,
% 29.65/5.01            v2) = v6))) &  ! [v0: $i] :  ! [v1: $i] :  ! [v2: $i] :  ! [v3: $i] : 
% 29.65/5.01    ! [v4: any] : ( ~ (path(v0, v1, v2) = 0) |  ~ (edge(v3) = v4) |  ~ $i(v3) |  ~
% 29.65/5.01      $i(v2) |  ~ $i(v1) |  ~ $i(v0) |  ? [v5: int] :  ? [v6: $i] :  ? [v7: int] :
% 29.65/5.01       ? [v8: $i] :  ? [v9: int] : ((v9 = 0 & v7 = 0 & v4 = 0 & in_path(v8, v2) =
% 29.65/5.01          0 & in_path(v6, v2) = 0 & head_of(v3) = v6 & tail_of(v3) = v8 & $i(v8) &
% 29.65/5.01          $i(v6)) | ( ~ (v5 = 0) & on_path(v3, v2) = v5))) &  ! [v0: $i] :  ! [v1:
% 29.65/5.01      $i] :  ! [v2: $i] :  ! [v3: $i] : ( ~ (on_path(v3, v2) = 0) |  ~ (path(v0,
% 29.65/5.01          v1, v2) = 0) |  ~ $i(v3) |  ~ $i(v2) |  ~ $i(v1) |  ~ $i(v0) |  ? [v4:
% 29.65/5.01        $i] :  ? [v5: $i] : (in_path(v5, v2) = 0 & in_path(v4, v2) = 0 &
% 29.65/5.01        head_of(v3) = v4 & edge(v3) = 0 & tail_of(v3) = v5 & $i(v5) & $i(v4)))
% 29.65/5.01  
% 29.65/5.01    (precedes_defn)
% 29.65/5.02     ! [v0: $i] :  ! [v1: $i] :  ! [v2: $i] :  ! [v3: $i] :  ! [v4: $i] :  ! [v5:
% 29.65/5.02      MultipleValueBool] :  ! [v6: $i] : ( ~ (precedes(v6, v4, v0) = 0) |  ~
% 29.65/5.02      (sequential(v3, v4) = v5) |  ~ (path(v1, v2, v0) = 0) |  ~ $i(v6) |  ~
% 29.65/5.02      $i(v4) |  ~ $i(v3) |  ~ $i(v2) |  ~ $i(v1) |  ~ $i(v0) |  ? [v7: int] :  ?
% 29.65/5.02      [v8: int] :  ? [v9: int] : ((v9 = 0 & precedes(v3, v4, v0) = 0) | ( ~ (v8 =
% 29.65/5.02            0) & on_path(v4, v0) = v8) | ( ~ (v7 = 0) & sequential(v3, v6) = v7) |
% 29.65/5.02        ( ~ (v7 = 0) & on_path(v3, v0) = v7))) &  ! [v0: $i] :  ! [v1: $i] :  !
% 29.65/5.02    [v2: $i] :  ! [v3: $i] :  ! [v4: $i] :  ! [v5: MultipleValueBool] :  ! [v6:
% 29.65/5.02      $i] : ( ~ (sequential(v3, v6) = 0) |  ~ (sequential(v3, v4) = v5) |  ~
% 29.65/5.02      (path(v1, v2, v0) = 0) |  ~ $i(v6) |  ~ $i(v4) |  ~ $i(v3) |  ~ $i(v2) |  ~
% 29.65/5.02      $i(v1) |  ~ $i(v0) |  ? [v7: int] :  ? [v8: int] :  ? [v9: int] : ((v9 = 0 &
% 29.65/5.02          precedes(v3, v4, v0) = 0) | ( ~ (v8 = 0) & on_path(v4, v0) = v8) | ( ~
% 29.65/5.02          (v7 = 0) & precedes(v6, v4, v0) = v7) | ( ~ (v7 = 0) & on_path(v3, v0) =
% 29.65/5.02          v7))) &  ! [v0: $i] :  ! [v1: $i] :  ! [v2: $i] :  ! [v3: $i] :  ! [v4:
% 29.65/5.02      $i] :  ! [v5: int] : (v5 = 0 |  ~ (precedes(v3, v4, v0) = v5) |  ~ (path(v1,
% 29.65/5.02          v2, v0) = 0) |  ~ $i(v4) |  ~ $i(v3) |  ~ $i(v2) |  ~ $i(v1) |  ~ $i(v0)
% 29.65/5.02      |  ? [v6: int] :  ? [v7: int] :  ? [v8: int] : (( ~ (v8 = 0) &
% 29.65/5.02          sequential(v3, v4) = v8 &  ! [v9: $i] : ( ~ (precedes(v9, v4, v0) = 0) |
% 29.65/5.02             ~ $i(v9) |  ? [v10: int] : ( ~ (v10 = 0) & sequential(v3, v9) = v10))
% 29.65/5.02          &  ! [v9: $i] : ( ~ (sequential(v3, v9) = 0) |  ~ $i(v9) |  ? [v10: int]
% 29.65/5.02            : ( ~ (v10 = 0) & precedes(v9, v4, v0) = v10))) | ( ~ (v7 = 0) &
% 29.65/5.02          on_path(v4, v0) = v7) | ( ~ (v6 = 0) & on_path(v3, v0) = v6))) &  ! [v0:
% 29.65/5.02      $i] :  ! [v1: $i] :  ! [v2: $i] :  ! [v3: $i] :  ! [v4: $i] : ( ~
% 29.65/5.02      (sequential(v3, v4) = 0) |  ~ (path(v1, v2, v0) = 0) |  ~ $i(v4) |  ~ $i(v3)
% 29.65/5.02      |  ~ $i(v2) |  ~ $i(v1) |  ~ $i(v0) |  ? [v5: int] :  ? [v6: int] :  ? [v7:
% 29.65/5.02        int] : ((v7 = 0 & precedes(v3, v4, v0) = 0) | ( ~ (v6 = 0) & on_path(v4,
% 29.65/5.02            v0) = v6) | ( ~ (v5 = 0) & on_path(v3, v0) = v5)))
% 29.65/5.02  
% 29.65/5.02    (precedes_properties)
% 29.65/5.03     ! [v0: $i] :  ! [v1: $i] :  ! [v2: $i] :  ! [v3: $i] :  ! [v4: $i] :  ! [v5:
% 29.65/5.03      any] : ( ~ (sequential(v3, v4) = v5) |  ~ (path(v1, v2, v0) = 0) |  ~ $i(v4)
% 29.65/5.03      |  ~ $i(v3) |  ~ $i(v2) |  ~ $i(v1) |  ~ $i(v0) |  ? [v6: int] :  ? [v7:
% 29.65/5.03        int] :  ? [v8: int] :  ? [v9: $i] :  ? [v10: int] :  ? [v11: int] :
% 29.65/5.03      ($i(v9) & ((v8 = 0 & v7 = 0 & on_path(v4, v0) = 0 & on_path(v3, v0) = 0 & (
% 29.65/5.03              ~ (v5 = 0) | ( ! [v12: $i] : ( ~ (precedes(v12, v4, v0) = 0) |  ~
% 29.65/5.03                  $i(v12) |  ? [v13: int] : ( ~ (v13 = 0) & sequential(v3, v12) =
% 29.65/5.03                    v13)) &  ! [v12: $i] : ( ~ (sequential(v3, v12) = 0) |  ~
% 29.65/5.03                  $i(v12) |  ? [v13: int] : ( ~ (v13 = 0) & precedes(v12, v4, v0)
% 29.65/5.03                    = v13)))) & (v5 = 0 | (v11 = 0 & v10 = 0 & precedes(v9, v4,
% 29.65/5.03                  v0) = 0 & sequential(v3, v9) = 0))) | ( ~ (v6 = 0) &
% 29.65/5.03            precedes(v3, v4, v0) = v6)))) &  ! [v0: $i] :  ! [v1: $i] :  ! [v2:
% 29.65/5.03      $i] :  ! [v3: $i] :  ! [v4: $i] : ( ~ (precedes(v3, v4, v0) = 0) |  ~
% 29.65/5.03      (path(v1, v2, v0) = 0) |  ~ $i(v4) |  ~ $i(v3) |  ~ $i(v2) |  ~ $i(v1) |  ~
% 29.65/5.03      $i(v0) |  ? [v5: int] :  ? [v6: $i] :  ? [v7: int] :  ? [v8: int] :
% 29.65/5.03      (on_path(v4, v0) = 0 & on_path(v3, v0) = 0 & $i(v6) & ((v8 = 0 & v7 = 0 &
% 29.65/5.03            precedes(v6, v4, v0) = 0 & sequential(v3, v6) = 0) | (v5 = 0 &
% 29.65/5.03            sequential(v3, v4) = 0)) & (( ~ (v5 = 0) & sequential(v3, v4) = v5) |
% 29.65/5.03          ( ! [v9: $i] : ( ~ (precedes(v9, v4, v0) = 0) |  ~ $i(v9) |  ? [v10:
% 29.65/5.03                int] : ( ~ (v10 = 0) & sequential(v3, v9) = v10)) &  ! [v9: $i] :
% 29.65/5.03            ( ~ (sequential(v3, v9) = 0) |  ~ $i(v9) |  ? [v10: int] : ( ~ (v10 =
% 29.65/5.03                  0) & precedes(v9, v4, v0) = v10))))))
% 29.65/5.03  
% 29.65/5.03    (sequential_defn)
% 29.65/5.03     ! [v0: $i] :  ! [v1: $i] :  ! [v2: int] : (v2 = 0 | v1 = v0 |  ~
% 29.65/5.03      (sequential(v0, v1) = v2) |  ~ $i(v1) |  ~ $i(v0) |  ? [v3: int] :  ? [v4:
% 29.65/5.03        int] :  ? [v5: $i] :  ? [v6: $i] : (( ~ (v6 = v5) & head_of(v0) = v5 &
% 29.65/5.03          tail_of(v1) = v6 & $i(v6) & $i(v5)) | ( ~ (v4 = 0) & edge(v1) = v4) | (
% 29.65/5.03          ~ (v3 = 0) & edge(v0) = v3))) &  ! [v0: $i] :  ! [v1: $i] : ( ~
% 29.65/5.03      (sequential(v0, v1) = 0) |  ~ $i(v1) |  ~ $i(v0) |  ? [v2: $i] :
% 29.65/5.03      (head_of(v0) = v2 & edge(v1) = 0 & edge(v0) = 0 & tail_of(v1) = v2 &
% 29.65/5.03        $i(v2))) &  ! [v0: $i] : ( ~ (sequential(v0, v0) = 0) |  ~ $i(v0))
% 29.65/5.03  
% 29.65/5.03    (shortest_path_defn)
% 29.65/5.03     ! [v0: $i] :  ! [v1: $i] :  ! [v2: $i] :  ! [v3: int] : (v3 = 0 | v1 = v0 | 
% 29.65/5.03      ~ (shortest_path(v0, v1, v2) = v3) |  ~ $i(v2) |  ~ $i(v1) |  ~ $i(v0) |  ?
% 29.65/5.03      [v4: int] :  ? [v5: $i] :  ? [v6: $i] :  ? [v7: int] :  ? [v8: $i] :  ? [v9:
% 29.65/5.03        int] : ($i(v6) & ((v7 = 0 &  ~ (v9 = 0) & length_of(v6) = v8 &
% 29.65/5.03            length_of(v2) = v5 & less_or_equal(v5, v8) = v9 & path(v0, v1, v6) = 0
% 29.65/5.03            & $i(v8) & $i(v5)) | ( ~ (v4 = 0) & path(v0, v1, v2) = v4)))) &  !
% 29.65/5.03    [v0: $i] :  ! [v1: $i] :  ! [v2: $i] :  ! [v3: any] : ( ~ (path(v0, v1, v2) =
% 29.65/5.03        v3) |  ~ $i(v2) |  ~ $i(v1) |  ~ $i(v0) |  ? [v4: int] :  ? [v5: $i] :
% 29.65/5.03      ((v3 = 0 &  ~ (v1 = v0) & length_of(v2) = v5 & $i(v5) &  ! [v6: $i] :  !
% 29.65/5.03          [v7: $i] : ( ~ (length_of(v6) = v7) |  ~ $i(v6) |  ? [v8: int] :  ? [v9:
% 29.65/5.03              int] : ((v9 = 0 & less_or_equal(v5, v7) = 0) | ( ~ (v8 = 0) &
% 29.65/5.03                path(v0, v1, v6) = v8))) &  ! [v6: $i] : ( ~ (path(v0, v1, v6) =
% 29.65/5.03              0) |  ~ $i(v6) |  ? [v7: $i] : (length_of(v6) = v7 &
% 29.65/5.03              less_or_equal(v5, v7) = 0 & $i(v7)))) | ( ~ (v4 = 0) &
% 29.65/5.03          shortest_path(v0, v1, v2) = v4))) &  ! [v0: $i] :  ! [v1: $i] :  ! [v2:
% 29.65/5.03      $i] : (v1 = v0 |  ~ (path(v0, v1, v2) = 0) |  ~ $i(v2) |  ~ $i(v1) |  ~
% 29.65/5.03      $i(v0) |  ? [v3: $i] :  ? [v4: int] :  ? [v5: $i] :  ? [v6: int] :  ? [v7:
% 29.65/5.03        $i] :  ? [v8: int] : ($i(v5) & ((v6 = 0 &  ~ (v8 = 0) & length_of(v5) = v7
% 29.65/5.03            & length_of(v2) = v3 & less_or_equal(v3, v7) = v8 & path(v0, v1, v5) =
% 29.65/5.03            0 & $i(v7) & $i(v3)) | (v4 = 0 & shortest_path(v0, v1, v2) = 0)))) & 
% 29.65/5.03    ! [v0: $i] :  ! [v1: $i] :  ! [v2: $i] : ( ~ (shortest_path(v0, v1, v2) = 0) |
% 29.65/5.03       ~ $i(v2) |  ~ $i(v1) |  ~ $i(v0) |  ? [v3: $i] : (length_of(v2) = v3 &
% 29.65/5.03        path(v0, v1, v2) = 0 & $i(v3) &  ! [v4: $i] :  ! [v5: $i] : ( ~
% 29.65/5.03          (length_of(v4) = v5) |  ~ $i(v4) |  ? [v6: int] :  ? [v7: int] : ((v7 =
% 29.65/5.03              0 & less_or_equal(v3, v5) = 0) | ( ~ (v6 = 0) & path(v0, v1, v4) =
% 29.65/5.03              v6))) &  ! [v4: $i] : ( ~ (path(v0, v1, v4) = 0) |  ~ $i(v4) |  ?
% 29.65/5.03          [v5: $i] : (length_of(v4) = v5 & less_or_equal(v3, v5) = 0 & $i(v5)))))
% 29.65/5.03    &  ! [v0: $i] :  ! [v1: $i] : ( ~ (shortest_path(v0, v0, v1) = 0) |  ~ $i(v1)
% 29.65/5.03      |  ~ $i(v0))
% 29.65/5.03  
% 29.65/5.03    (shortest_path_properties)
% 30.39/5.04     ! [v0: $i] :  ! [v1: $i] :  ! [v2: $i] :  ! [v3: $i] :  ! [v4: $i] :  ! [v5:
% 30.39/5.04      $i] :  ! [v6: $i] : ( ~ (shortest_path(v0, v1, v4) = 0) |  ~ (head_of(v3) =
% 30.39/5.04        v6) |  ~ (tail_of(v2) = v5) |  ~ $i(v4) |  ~ $i(v3) |  ~ $i(v2) |  ~
% 30.39/5.04      $i(v1) |  ~ $i(v0) |  ? [v7: int] :  ? [v8: int] : (( ~ (v8 = 0) &
% 30.39/5.04          precedes(v3, v2, v4) = v8 &  ! [v9: $i] : ( ~ (head_of(v9) = v6) |  ~
% 30.39/5.04            $i(v9) |  ? [v10: $i] : ( ~ (v10 = v5) & tail_of(v9) = v10 & $i(v10)))
% 30.39/5.04          &  ! [v9: $i] : ( ~ (tail_of(v9) = v5) |  ~ $i(v9) |  ? [v10: $i] : ( ~
% 30.39/5.04              (v10 = v6) & head_of(v9) = v10 & $i(v10)))) | ( ~ (v7 = 0) &
% 30.39/5.04          precedes(v2, v3, v4) = v7))) &  ! [v0: $i] :  ! [v1: $i] :  ! [v2: $i] :
% 30.39/5.04     ! [v3: $i] :  ! [v4: $i] :  ! [v5: any] : ( ~ (shortest_path(v0, v1, v4) = 0)
% 30.39/5.04      |  ~ (precedes(v3, v2, v4) = v5) |  ~ $i(v4) |  ~ $i(v3) |  ~ $i(v2) |  ~
% 30.39/5.04      $i(v1) |  ~ $i(v0) |  ? [v6: int] :  ? [v7: $i] :  ? [v8: $i] : (( ~ (v6 =
% 30.39/5.04            0) & precedes(v2, v3, v4) = v6) | ( ~ (v5 = 0) & head_of(v3) = v8 &
% 30.39/5.04          tail_of(v2) = v7 & $i(v8) & $i(v7) &  ! [v9: $i] : ( ~ (head_of(v9) =
% 30.39/5.04              v8) |  ~ $i(v9) |  ? [v10: $i] : ( ~ (v10 = v7) & tail_of(v9) = v10
% 30.39/5.04              & $i(v10))) &  ! [v9: $i] : ( ~ (tail_of(v9) = v7) |  ~ $i(v9) |  ?
% 30.39/5.04            [v10: $i] : ( ~ (v10 = v8) & head_of(v9) = v10 & $i(v10)))))) &  !
% 30.39/5.04    [v0: $i] :  ! [v1: $i] :  ! [v2: $i] :  ! [v3: $i] :  ! [v4: $i] : ( ~
% 30.39/5.04      (shortest_path(v0, v1, v4) = 0) |  ~ (precedes(v2, v3, v4) = 0) |  ~ $i(v4)
% 30.39/5.04      |  ~ $i(v3) |  ~ $i(v2) |  ~ $i(v1) |  ~ $i(v0) |  ? [v5: $i] :  ? [v6: $i]
% 30.39/5.04      :  ? [v7: int] : ( ~ (v7 = 0) & precedes(v3, v2, v4) = v7 & head_of(v3) = v6
% 30.39/5.04        & tail_of(v2) = v5 & $i(v6) & $i(v5) &  ! [v8: $i] : ( ~ (head_of(v8) =
% 30.39/5.04            v6) |  ~ $i(v8) |  ? [v9: $i] : ( ~ (v9 = v5) & tail_of(v8) = v9 &
% 30.39/5.04            $i(v9))) &  ! [v8: $i] : ( ~ (tail_of(v8) = v5) |  ~ $i(v8) |  ? [v9:
% 30.39/5.04            $i] : ( ~ (v9 = v6) & head_of(v8) = v9 & $i(v9)))))
% 30.39/5.04  
% 30.39/5.04    (shortest_path_properties_lemma)
% 30.39/5.04     ? [v0: $i] :  ? [v1: $i] :  ? [v2: $i] :  ? [v3: $i] :  ? [v4: $i] :  ? [v5:
% 30.39/5.04      $i] :  ? [v6: $i] :  ? [v7: $i] :  ? [v8: $i] :  ? [v9: $i] :  ? [v10: $i] :
% 30.39/5.04    (shortest_path(v0, v1, v4) = 0 & precedes(v2, v3, v4) = 0 & head_of(v3) = v6 &
% 30.39/5.04      $i(v8) & $i(v6) & $i(v4) & $i(v3) & $i(v2) & $i(v1) & $i(v0) & ((v7 = v6 &
% 30.39/5.04          head_of(v2) = v6) | (tail_of(v2) = v5 & $i(v5) & (v6 = v5 | (v10 = v6 &
% 30.39/5.04              v9 = v5 & head_of(v8) = v6 & tail_of(v8) = v5)))))
% 30.39/5.04  
% 30.39/5.04    (function-axioms)
% 30.39/5.04     ! [v0: MultipleValueBool] :  ! [v1: MultipleValueBool] :  ! [v2: $i] :  !
% 30.39/5.04    [v3: $i] :  ! [v4: $i] : (v1 = v0 |  ~ (triangle(v4, v3, v2) = v1) |  ~
% 30.39/5.04      (triangle(v4, v3, v2) = v0)) &  ! [v0: MultipleValueBool] :  ! [v1:
% 30.39/5.04      MultipleValueBool] :  ! [v2: $i] :  ! [v3: $i] :  ! [v4: $i] : (v1 = v0 |  ~
% 30.39/5.04      (shortest_path(v4, v3, v2) = v1) |  ~ (shortest_path(v4, v3, v2) = v0)) &  !
% 30.39/5.04    [v0: MultipleValueBool] :  ! [v1: MultipleValueBool] :  ! [v2: $i] :  ! [v3:
% 30.39/5.04      $i] :  ! [v4: $i] : (v1 = v0 |  ~ (precedes(v4, v3, v2) = v1) |  ~
% 30.39/5.04      (precedes(v4, v3, v2) = v0)) &  ! [v0: MultipleValueBool] :  ! [v1:
% 30.39/5.04      MultipleValueBool] :  ! [v2: $i] :  ! [v3: $i] :  ! [v4: $i] : (v1 = v0 |  ~
% 30.39/5.04      (path(v4, v3, v2) = v1) |  ~ (path(v4, v3, v2) = v0)) &  ! [v0: $i] :  !
% 30.39/5.04    [v1: $i] :  ! [v2: $i] :  ! [v3: $i] : (v1 = v0 |  ~ (minus(v3, v2) = v1) |  ~
% 30.39/5.04      (minus(v3, v2) = v0)) &  ! [v0: $i] :  ! [v1: $i] :  ! [v2: $i] :  ! [v3:
% 30.39/5.04      $i] : (v1 = v0 |  ~ (number_of_in(v3, v2) = v1) |  ~ (number_of_in(v3, v2) =
% 30.39/5.04        v0)) &  ! [v0: MultipleValueBool] :  ! [v1: MultipleValueBool] :  ! [v2:
% 30.39/5.04      $i] :  ! [v3: $i] : (v1 = v0 |  ~ (less_or_equal(v3, v2) = v1) |  ~
% 30.39/5.04      (less_or_equal(v3, v2) = v0)) &  ! [v0: MultipleValueBool] :  ! [v1:
% 30.39/5.04      MultipleValueBool] :  ! [v2: $i] :  ! [v3: $i] : (v1 = v0 |  ~
% 30.39/5.04      (sequential(v3, v2) = v1) |  ~ (sequential(v3, v2) = v0)) &  ! [v0:
% 30.39/5.04      MultipleValueBool] :  ! [v1: MultipleValueBool] :  ! [v2: $i] :  ! [v3: $i]
% 30.39/5.04    : (v1 = v0 |  ~ (on_path(v3, v2) = v1) |  ~ (on_path(v3, v2) = v0)) &  ! [v0:
% 30.39/5.04      MultipleValueBool] :  ! [v1: MultipleValueBool] :  ! [v2: $i] :  ! [v3: $i]
% 30.39/5.04    : (v1 = v0 |  ~ (in_path(v3, v2) = v1) |  ~ (in_path(v3, v2) = v0)) &  ! [v0:
% 30.39/5.04      $i] :  ! [v1: $i] :  ! [v2: $i] :  ! [v3: $i] : (v1 = v0 |  ~ (path_cons(v3,
% 30.39/5.04          v2) = v1) |  ~ (path_cons(v3, v2) = v0)) &  ! [v0: $i] :  ! [v1: $i] : 
% 30.39/5.04    ! [v2: $i] : (v1 = v0 |  ~ (length_of(v2) = v1) |  ~ (length_of(v2) = v0)) & 
% 30.39/5.04    ! [v0: MultipleValueBool] :  ! [v1: MultipleValueBool] :  ! [v2: $i] : (v1 =
% 30.39/5.04      v0 |  ~ (vertex(v2) = v1) |  ~ (vertex(v2) = v0)) &  ! [v0: $i] :  ! [v1:
% 30.39/5.04      $i] :  ! [v2: $i] : (v1 = v0 |  ~ (head_of(v2) = v1) |  ~ (head_of(v2) =
% 30.39/5.04        v0)) &  ! [v0: MultipleValueBool] :  ! [v1: MultipleValueBool] :  ! [v2:
% 30.39/5.04      $i] : (v1 = v0 |  ~ (edge(v2) = v1) |  ~ (edge(v2) = v0)) &  ! [v0: $i] :  !
% 30.39/5.04    [v1: $i] :  ! [v2: $i] : (v1 = v0 |  ~ (tail_of(v2) = v1) |  ~ (tail_of(v2) =
% 30.39/5.04        v0))
% 30.39/5.04  
% 30.39/5.04  Further assumptions not needed in the proof:
% 30.39/5.04  --------------------------------------------
% 30.39/5.05  complete_properties, edge_ends_are_vertices, graph_has_them_all,
% 30.39/5.05  in_path_properties, length_defn, no_loops, path_defn,
% 30.39/5.05  path_length_sequential_pairs, path_properties, sequential_pairs_and_triangles,
% 30.39/5.05  triangle_defn
% 30.39/5.05  
% 30.39/5.05  Those formulas are unsatisfiable:
% 30.39/5.05  ---------------------------------
% 30.39/5.05  
% 30.39/5.05  Begin of proof
% 30.39/5.05  | 
% 30.39/5.05  | ALPHA: (on_path_properties) implies:
% 30.39/5.05  |   (1)   ! [v0: $i] :  ! [v1: $i] :  ! [v2: $i] :  ! [v3: $i] : ( ~
% 30.39/5.05  |          (on_path(v3, v2) = 0) |  ~ (path(v0, v1, v2) = 0) |  ~ $i(v3) |  ~
% 30.39/5.05  |          $i(v2) |  ~ $i(v1) |  ~ $i(v0) |  ? [v4: $i] :  ? [v5: $i] :
% 30.39/5.05  |          (in_path(v5, v2) = 0 & in_path(v4, v2) = 0 & head_of(v3) = v4 &
% 30.39/5.05  |            edge(v3) = 0 & tail_of(v3) = v5 & $i(v5) & $i(v4)))
% 30.39/5.05  | 
% 30.39/5.05  | ALPHA: (sequential_defn) implies:
% 30.39/5.05  |   (2)   ! [v0: $i] :  ! [v1: $i] :  ! [v2: int] : (v2 = 0 | v1 = v0 |  ~
% 30.39/5.05  |          (sequential(v0, v1) = v2) |  ~ $i(v1) |  ~ $i(v0) |  ? [v3: int] :  ?
% 30.39/5.05  |          [v4: int] :  ? [v5: $i] :  ? [v6: $i] : (( ~ (v6 = v5) & head_of(v0)
% 30.39/5.05  |              = v5 & tail_of(v1) = v6 & $i(v6) & $i(v5)) | ( ~ (v4 = 0) &
% 30.39/5.05  |              edge(v1) = v4) | ( ~ (v3 = 0) & edge(v0) = v3)))
% 30.39/5.05  | 
% 30.39/5.05  | ALPHA: (precedes_defn) implies:
% 30.39/5.05  |   (3)   ! [v0: $i] :  ! [v1: $i] :  ! [v2: $i] :  ! [v3: $i] :  ! [v4: $i] : 
% 30.39/5.05  |        ! [v5: int] : (v5 = 0 |  ~ (precedes(v3, v4, v0) = v5) |  ~ (path(v1,
% 30.39/5.05  |              v2, v0) = 0) |  ~ $i(v4) |  ~ $i(v3) |  ~ $i(v2) |  ~ $i(v1) |  ~
% 30.39/5.05  |          $i(v0) |  ? [v6: int] :  ? [v7: int] :  ? [v8: int] : (( ~ (v8 = 0) &
% 30.39/5.05  |              sequential(v3, v4) = v8 &  ! [v9: $i] : ( ~ (precedes(v9, v4, v0)
% 30.39/5.05  |                  = 0) |  ~ $i(v9) |  ? [v10: int] : ( ~ (v10 = 0) &
% 30.39/5.05  |                  sequential(v3, v9) = v10)) &  ! [v9: $i] : ( ~
% 30.39/5.05  |                (sequential(v3, v9) = 0) |  ~ $i(v9) |  ? [v10: int] : ( ~ (v10
% 30.39/5.05  |                    = 0) & precedes(v9, v4, v0) = v10))) | ( ~ (v7 = 0) &
% 30.39/5.05  |              on_path(v4, v0) = v7) | ( ~ (v6 = 0) & on_path(v3, v0) = v6)))
% 30.39/5.05  | 
% 30.39/5.05  | ALPHA: (precedes_properties) implies:
% 30.39/5.05  |   (4)   ! [v0: $i] :  ! [v1: $i] :  ! [v2: $i] :  ! [v3: $i] :  ! [v4: $i] : (
% 30.39/5.05  |          ~ (precedes(v3, v4, v0) = 0) |  ~ (path(v1, v2, v0) = 0) |  ~ $i(v4)
% 30.39/5.05  |          |  ~ $i(v3) |  ~ $i(v2) |  ~ $i(v1) |  ~ $i(v0) |  ? [v5: int] :  ?
% 30.39/5.05  |          [v6: $i] :  ? [v7: int] :  ? [v8: int] : (on_path(v4, v0) = 0 &
% 30.39/5.05  |            on_path(v3, v0) = 0 & $i(v6) & ((v8 = 0 & v7 = 0 & precedes(v6, v4,
% 30.39/5.05  |                  v0) = 0 & sequential(v3, v6) = 0) | (v5 = 0 & sequential(v3,
% 30.39/5.05  |                  v4) = 0)) & (( ~ (v5 = 0) & sequential(v3, v4) = v5) | ( !
% 30.39/5.05  |                [v9: $i] : ( ~ (precedes(v9, v4, v0) = 0) |  ~ $i(v9) |  ?
% 30.39/5.05  |                  [v10: int] : ( ~ (v10 = 0) & sequential(v3, v9) = v10)) &  !
% 30.39/5.05  |                [v9: $i] : ( ~ (sequential(v3, v9) = 0) |  ~ $i(v9) |  ? [v10:
% 30.39/5.05  |                    int] : ( ~ (v10 = 0) & precedes(v9, v4, v0) = v10))))))
% 30.39/5.05  | 
% 30.39/5.05  | ALPHA: (shortest_path_defn) implies:
% 30.39/5.05  |   (5)   ! [v0: $i] :  ! [v1: $i] :  ! [v2: $i] : ( ~ (shortest_path(v0, v1,
% 30.39/5.05  |              v2) = 0) |  ~ $i(v2) |  ~ $i(v1) |  ~ $i(v0) |  ? [v3: $i] :
% 30.39/5.05  |          (length_of(v2) = v3 & path(v0, v1, v2) = 0 & $i(v3) &  ! [v4: $i] : 
% 30.39/5.05  |            ! [v5: $i] : ( ~ (length_of(v4) = v5) |  ~ $i(v4) |  ? [v6: int] : 
% 30.39/5.05  |              ? [v7: int] : ((v7 = 0 & less_or_equal(v3, v5) = 0) | ( ~ (v6 =
% 30.39/5.05  |                    0) & path(v0, v1, v4) = v6))) &  ! [v4: $i] : ( ~ (path(v0,
% 30.39/5.05  |                  v1, v4) = 0) |  ~ $i(v4) |  ? [v5: $i] : (length_of(v4) = v5
% 30.39/5.05  |                & less_or_equal(v3, v5) = 0 & $i(v5)))))
% 30.39/5.05  | 
% 30.39/5.05  | ALPHA: (shortest_path_properties) implies:
% 30.39/5.06  |   (6)   ! [v0: $i] :  ! [v1: $i] :  ! [v2: $i] :  ! [v3: $i] :  ! [v4: $i] : (
% 30.39/5.06  |          ~ (shortest_path(v0, v1, v4) = 0) |  ~ (precedes(v2, v3, v4) = 0) | 
% 30.39/5.06  |          ~ $i(v4) |  ~ $i(v3) |  ~ $i(v2) |  ~ $i(v1) |  ~ $i(v0) |  ? [v5:
% 30.39/5.06  |            $i] :  ? [v6: $i] :  ? [v7: int] : ( ~ (v7 = 0) & precedes(v3, v2,
% 30.39/5.06  |              v4) = v7 & head_of(v3) = v6 & tail_of(v2) = v5 & $i(v6) & $i(v5)
% 30.39/5.06  |            &  ! [v8: $i] : ( ~ (head_of(v8) = v6) |  ~ $i(v8) |  ? [v9: $i] :
% 30.39/5.06  |              ( ~ (v9 = v5) & tail_of(v8) = v9 & $i(v9))) &  ! [v8: $i] : ( ~
% 30.39/5.06  |              (tail_of(v8) = v5) |  ~ $i(v8) |  ? [v9: $i] : ( ~ (v9 = v6) &
% 30.39/5.06  |                head_of(v8) = v9 & $i(v9)))))
% 30.39/5.06  |   (7)   ! [v0: $i] :  ! [v1: $i] :  ! [v2: $i] :  ! [v3: $i] :  ! [v4: $i] : 
% 30.39/5.06  |        ! [v5: any] : ( ~ (shortest_path(v0, v1, v4) = 0) |  ~ (precedes(v3,
% 30.39/5.06  |              v2, v4) = v5) |  ~ $i(v4) |  ~ $i(v3) |  ~ $i(v2) |  ~ $i(v1) | 
% 30.39/5.06  |          ~ $i(v0) |  ? [v6: int] :  ? [v7: $i] :  ? [v8: $i] : (( ~ (v6 = 0) &
% 30.39/5.06  |              precedes(v2, v3, v4) = v6) | ( ~ (v5 = 0) & head_of(v3) = v8 &
% 30.39/5.06  |              tail_of(v2) = v7 & $i(v8) & $i(v7) &  ! [v9: $i] : ( ~
% 30.39/5.06  |                (head_of(v9) = v8) |  ~ $i(v9) |  ? [v10: $i] : ( ~ (v10 = v7)
% 30.39/5.06  |                  & tail_of(v9) = v10 & $i(v10))) &  ! [v9: $i] : ( ~
% 30.39/5.06  |                (tail_of(v9) = v7) |  ~ $i(v9) |  ? [v10: $i] : ( ~ (v10 = v8)
% 30.39/5.06  |                  & head_of(v9) = v10 & $i(v10))))))
% 30.39/5.06  |   (8)   ! [v0: $i] :  ! [v1: $i] :  ! [v2: $i] :  ! [v3: $i] :  ! [v4: $i] : 
% 30.39/5.06  |        ! [v5: $i] :  ! [v6: $i] : ( ~ (shortest_path(v0, v1, v4) = 0) |  ~
% 30.39/5.06  |          (head_of(v3) = v6) |  ~ (tail_of(v2) = v5) |  ~ $i(v4) |  ~ $i(v3) | 
% 30.39/5.06  |          ~ $i(v2) |  ~ $i(v1) |  ~ $i(v0) |  ? [v7: int] :  ? [v8: int] : (( ~
% 30.39/5.06  |              (v8 = 0) & precedes(v3, v2, v4) = v8 &  ! [v9: $i] : ( ~
% 30.39/5.06  |                (head_of(v9) = v6) |  ~ $i(v9) |  ? [v10: $i] : ( ~ (v10 = v5)
% 30.39/5.06  |                  & tail_of(v9) = v10 & $i(v10))) &  ! [v9: $i] : ( ~
% 30.39/5.06  |                (tail_of(v9) = v5) |  ~ $i(v9) |  ? [v10: $i] : ( ~ (v10 = v6)
% 30.39/5.06  |                  & head_of(v9) = v10 & $i(v10)))) | ( ~ (v7 = 0) &
% 30.39/5.06  |              precedes(v2, v3, v4) = v7)))
% 30.39/5.06  | 
% 30.39/5.06  | ALPHA: (function-axioms) implies:
% 30.39/5.06  |   (9)   ! [v0: $i] :  ! [v1: $i] :  ! [v2: $i] : (v1 = v0 |  ~ (tail_of(v2) =
% 30.39/5.06  |            v1) |  ~ (tail_of(v2) = v0))
% 30.39/5.06  |   (10)   ! [v0: MultipleValueBool] :  ! [v1: MultipleValueBool] :  ! [v2: $i]
% 30.39/5.06  |         : (v1 = v0 |  ~ (edge(v2) = v1) |  ~ (edge(v2) = v0))
% 30.39/5.06  |   (11)   ! [v0: $i] :  ! [v1: $i] :  ! [v2: $i] : (v1 = v0 |  ~ (head_of(v2) =
% 30.39/5.06  |             v1) |  ~ (head_of(v2) = v0))
% 30.39/5.06  |   (12)   ! [v0: MultipleValueBool] :  ! [v1: MultipleValueBool] :  ! [v2: $i]
% 30.39/5.06  |         :  ! [v3: $i] : (v1 = v0 |  ~ (on_path(v3, v2) = v1) |  ~ (on_path(v3,
% 30.39/5.06  |               v2) = v0))
% 30.39/5.06  |   (13)   ! [v0: MultipleValueBool] :  ! [v1: MultipleValueBool] :  ! [v2: $i]
% 30.39/5.06  |         :  ! [v3: $i] :  ! [v4: $i] : (v1 = v0 |  ~ (precedes(v4, v3, v2) =
% 30.39/5.06  |             v1) |  ~ (precedes(v4, v3, v2) = v0))
% 30.39/5.06  | 
% 30.39/5.06  | DELTA: instantiating (shortest_path_properties_lemma) with fresh symbols
% 30.39/5.06  |        all_20_0, all_20_1, all_20_2, all_20_3, all_20_4, all_20_5, all_20_6,
% 30.39/5.06  |        all_20_7, all_20_8, all_20_9, all_20_10 gives:
% 30.39/5.07  |   (14)  shortest_path(all_20_10, all_20_9, all_20_6) = 0 & precedes(all_20_8,
% 30.39/5.07  |           all_20_7, all_20_6) = 0 & head_of(all_20_7) = all_20_4 &
% 30.39/5.07  |         $i(all_20_2) & $i(all_20_4) & $i(all_20_6) & $i(all_20_7) &
% 30.39/5.07  |         $i(all_20_8) & $i(all_20_9) & $i(all_20_10) & ((all_20_3 = all_20_4 &
% 30.39/5.07  |             head_of(all_20_8) = all_20_4) | (tail_of(all_20_8) = all_20_5 &
% 30.39/5.07  |             $i(all_20_5) & (all_20_4 = all_20_5 | (all_20_0 = all_20_4 &
% 30.39/5.07  |                 all_20_1 = all_20_5 & head_of(all_20_2) = all_20_4 &
% 30.39/5.07  |                 tail_of(all_20_2) = all_20_5))))
% 30.39/5.07  | 
% 30.39/5.07  | ALPHA: (14) implies:
% 30.39/5.07  |   (15)  $i(all_20_10)
% 30.39/5.07  |   (16)  $i(all_20_9)
% 30.39/5.07  |   (17)  $i(all_20_8)
% 30.39/5.07  |   (18)  $i(all_20_7)
% 30.39/5.07  |   (19)  $i(all_20_6)
% 30.39/5.07  |   (20)  $i(all_20_2)
% 30.39/5.07  |   (21)  head_of(all_20_7) = all_20_4
% 30.39/5.07  |   (22)  precedes(all_20_8, all_20_7, all_20_6) = 0
% 30.39/5.07  |   (23)  shortest_path(all_20_10, all_20_9, all_20_6) = 0
% 30.39/5.07  |   (24)  (all_20_3 = all_20_4 & head_of(all_20_8) = all_20_4) |
% 30.39/5.07  |         (tail_of(all_20_8) = all_20_5 & $i(all_20_5) & (all_20_4 = all_20_5 |
% 30.39/5.07  |             (all_20_0 = all_20_4 & all_20_1 = all_20_5 & head_of(all_20_2) =
% 30.39/5.07  |               all_20_4 & tail_of(all_20_2) = all_20_5)))
% 30.39/5.07  | 
% 30.39/5.07  | GROUND_INST: instantiating (6) with all_20_10, all_20_9, all_20_8, all_20_7,
% 30.39/5.07  |              all_20_6, simplifying with (15), (16), (17), (18), (19), (22),
% 30.39/5.07  |              (23) gives:
% 30.39/5.07  |   (25)   ? [v0: $i] :  ? [v1: $i] :  ? [v2: int] : ( ~ (v2 = 0) &
% 30.39/5.07  |           precedes(all_20_7, all_20_8, all_20_6) = v2 & head_of(all_20_7) = v1
% 30.39/5.07  |           & tail_of(all_20_8) = v0 & $i(v1) & $i(v0) &  ! [v3: $i] : ( ~
% 30.39/5.07  |             (head_of(v3) = v1) |  ~ $i(v3) |  ? [v4: $i] : ( ~ (v4 = v0) &
% 30.39/5.07  |               tail_of(v3) = v4 & $i(v4))) &  ! [v3: $i] : ( ~ (tail_of(v3) =
% 30.39/5.07  |               v0) |  ~ $i(v3) |  ? [v4: $i] : ( ~ (v4 = v1) & head_of(v3) = v4
% 30.39/5.07  |               & $i(v4))))
% 30.39/5.07  | 
% 30.93/5.07  | GROUND_INST: instantiating (7) with all_20_10, all_20_9, all_20_7, all_20_8,
% 30.93/5.07  |              all_20_6, 0, simplifying with (15), (16), (17), (18), (19), (22),
% 30.93/5.07  |              (23) gives:
% 30.93/5.07  |   (26)   ? [v0: int] : ( ~ (v0 = 0) & precedes(all_20_7, all_20_8, all_20_6) =
% 30.93/5.07  |           v0)
% 30.93/5.07  | 
% 30.93/5.07  | GROUND_INST: instantiating (5) with all_20_10, all_20_9, all_20_6, simplifying
% 30.93/5.07  |              with (15), (16), (19), (23) gives:
% 30.93/5.07  |   (27)   ? [v0: $i] : (length_of(all_20_6) = v0 & path(all_20_10, all_20_9,
% 30.93/5.07  |             all_20_6) = 0 & $i(v0) &  ! [v1: $i] :  ! [v2: $i] : ( ~
% 30.93/5.07  |             (length_of(v1) = v2) |  ~ $i(v1) |  ? [v3: int] :  ? [v4: int] :
% 30.93/5.07  |             ((v4 = 0 & less_or_equal(v0, v2) = 0) | ( ~ (v3 = 0) &
% 30.93/5.07  |                 path(all_20_10, all_20_9, v1) = v3))) &  ! [v1: $i] : ( ~
% 30.93/5.07  |             (path(all_20_10, all_20_9, v1) = 0) |  ~ $i(v1) |  ? [v2: $i] :
% 30.93/5.07  |             (length_of(v1) = v2 & less_or_equal(v0, v2) = 0 & $i(v2))))
% 30.93/5.07  | 
% 30.93/5.07  | DELTA: instantiating (26) with fresh symbol all_27_0 gives:
% 30.93/5.07  |   (28)   ~ (all_27_0 = 0) & precedes(all_20_7, all_20_8, all_20_6) = all_27_0
% 30.93/5.07  | 
% 30.93/5.07  | ALPHA: (28) implies:
% 30.93/5.07  |   (29)  precedes(all_20_7, all_20_8, all_20_6) = all_27_0
% 30.93/5.07  | 
% 30.93/5.07  | DELTA: instantiating (27) with fresh symbol all_31_0 gives:
% 30.93/5.07  |   (30)  length_of(all_20_6) = all_31_0 & path(all_20_10, all_20_9, all_20_6) =
% 30.93/5.07  |         0 & $i(all_31_0) &  ! [v0: $i] :  ! [v1: $i] : ( ~ (length_of(v0) =
% 30.93/5.07  |             v1) |  ~ $i(v0) |  ? [v2: int] :  ? [v3: int] : ((v3 = 0 &
% 30.93/5.07  |               less_or_equal(all_31_0, v1) = 0) | ( ~ (v2 = 0) &
% 30.93/5.07  |               path(all_20_10, all_20_9, v0) = v2))) &  ! [v0: $i] : ( ~
% 30.93/5.07  |           (path(all_20_10, all_20_9, v0) = 0) |  ~ $i(v0) |  ? [v1: $i] :
% 30.93/5.07  |           (length_of(v0) = v1 & less_or_equal(all_31_0, v1) = 0 & $i(v1)))
% 30.93/5.07  | 
% 30.93/5.07  | ALPHA: (30) implies:
% 30.93/5.07  |   (31)  path(all_20_10, all_20_9, all_20_6) = 0
% 30.93/5.07  | 
% 30.93/5.07  | DELTA: instantiating (25) with fresh symbols all_34_0, all_34_1, all_34_2
% 30.93/5.07  |        gives:
% 30.93/5.07  |   (32)   ~ (all_34_0 = 0) & precedes(all_20_7, all_20_8, all_20_6) = all_34_0
% 30.93/5.07  |         & head_of(all_20_7) = all_34_1 & tail_of(all_20_8) = all_34_2 &
% 30.93/5.07  |         $i(all_34_1) & $i(all_34_2) &  ! [v0: $i] : ( ~ (head_of(v0) =
% 30.93/5.07  |             all_34_1) |  ~ $i(v0) |  ? [v1: any] : ( ~ (v1 = all_34_2) &
% 30.93/5.07  |             tail_of(v0) = v1 & $i(v1))) &  ! [v0: $i] : ( ~ (tail_of(v0) =
% 30.93/5.07  |             all_34_2) |  ~ $i(v0) |  ? [v1: any] : ( ~ (v1 = all_34_1) &
% 30.93/5.07  |             head_of(v0) = v1 & $i(v1)))
% 30.93/5.07  | 
% 30.93/5.07  | ALPHA: (32) implies:
% 30.93/5.07  |   (33)  tail_of(all_20_8) = all_34_2
% 30.93/5.07  |   (34)  head_of(all_20_7) = all_34_1
% 30.93/5.08  |   (35)  precedes(all_20_7, all_20_8, all_20_6) = all_34_0
% 30.93/5.08  |   (36)   ! [v0: $i] : ( ~ (tail_of(v0) = all_34_2) |  ~ $i(v0) |  ? [v1: any]
% 30.93/5.08  |           : ( ~ (v1 = all_34_1) & head_of(v0) = v1 & $i(v1)))
% 30.93/5.08  | 
% 30.93/5.08  | GROUND_INST: instantiating (11) with all_20_4, all_34_1, all_20_7, simplifying
% 30.93/5.08  |              with (21), (34) gives:
% 30.93/5.08  |   (37)  all_34_1 = all_20_4
% 30.93/5.08  | 
% 30.93/5.08  | GROUND_INST: instantiating (13) with all_27_0, all_34_0, all_20_6, all_20_8,
% 30.93/5.08  |              all_20_7, simplifying with (29), (35) gives:
% 30.93/5.08  |   (38)  all_34_0 = all_27_0
% 30.93/5.08  | 
% 30.93/5.08  | GROUND_INST: instantiating (8) with all_20_10, all_20_9, all_20_8, all_20_7,
% 30.93/5.08  |              all_20_6, all_34_2, all_20_4, simplifying with (15), (16), (17),
% 30.93/5.08  |              (18), (19), (21), (23), (33) gives:
% 30.93/5.08  |   (39)   ? [v0: int] :  ? [v1: int] : (( ~ (v1 = 0) & precedes(all_20_7,
% 30.93/5.08  |               all_20_8, all_20_6) = v1 &  ! [v2: $i] : ( ~ (head_of(v2) =
% 30.93/5.08  |                 all_20_4) |  ~ $i(v2) |  ? [v3: any] : ( ~ (v3 = all_34_2) &
% 30.93/5.08  |                 tail_of(v2) = v3 & $i(v3))) &  ! [v2: $i] : ( ~ (tail_of(v2) =
% 30.93/5.08  |                 all_34_2) |  ~ $i(v2) |  ? [v3: any] : ( ~ (v3 = all_20_4) &
% 30.93/5.08  |                 head_of(v2) = v3 & $i(v3)))) | ( ~ (v0 = 0) &
% 30.93/5.08  |             precedes(all_20_8, all_20_7, all_20_6) = v0))
% 30.93/5.08  | 
% 30.93/5.08  | GROUND_INST: instantiating (36) with all_20_8, simplifying with (17), (33)
% 30.93/5.08  |              gives:
% 30.93/5.08  |   (40)   ? [v0: any] : ( ~ (v0 = all_34_1) & head_of(all_20_8) = v0 & $i(v0))
% 30.93/5.08  | 
% 30.93/5.08  | GROUND_INST: instantiating (4) with all_20_6, all_20_10, all_20_9, all_20_8,
% 30.93/5.08  |              all_20_7, simplifying with (15), (16), (17), (18), (19), (22),
% 30.93/5.08  |              (31) gives:
% 30.93/5.08  |   (41)   ? [v0: int] :  ? [v1: $i] :  ? [v2: int] :  ? [v3: int] :
% 30.93/5.08  |         (on_path(all_20_7, all_20_6) = 0 & on_path(all_20_8, all_20_6) = 0 &
% 30.93/5.08  |           $i(v1) & ((v3 = 0 & v2 = 0 & precedes(v1, all_20_7, all_20_6) = 0 &
% 30.93/5.08  |               sequential(all_20_8, v1) = 0) | (v0 = 0 & sequential(all_20_8,
% 30.93/5.08  |                 all_20_7) = 0)) & (( ~ (v0 = 0) & sequential(all_20_8,
% 30.93/5.08  |                 all_20_7) = v0) | ( ! [v4: $i] : ( ~ (precedes(v4, all_20_7,
% 30.93/5.08  |                     all_20_6) = 0) |  ~ $i(v4) |  ? [v5: int] : ( ~ (v5 = 0) &
% 30.93/5.08  |                   sequential(all_20_8, v4) = v5)) &  ! [v4: $i] : ( ~
% 30.93/5.08  |                 (sequential(all_20_8, v4) = 0) |  ~ $i(v4) |  ? [v5: int] : (
% 30.93/5.08  |                   ~ (v5 = 0) & precedes(v4, all_20_7, all_20_6) = v5)))))
% 30.93/5.08  | 
% 30.93/5.08  | GROUND_INST: instantiating (3) with all_20_6, all_20_10, all_20_9, all_20_7,
% 30.93/5.08  |              all_20_8, all_27_0, simplifying with (15), (16), (17), (18),
% 30.93/5.08  |              (19), (29), (31) gives:
% 30.93/5.08  |   (42)  all_27_0 = 0 |  ? [v0: int] :  ? [v1: int] :  ? [v2: int] : (( ~ (v2 =
% 30.93/5.08  |               0) & sequential(all_20_7, all_20_8) = v2 &  ! [v3: $i] : ( ~
% 30.93/5.08  |               (precedes(v3, all_20_8, all_20_6) = 0) |  ~ $i(v3) |  ? [v4:
% 30.93/5.08  |                 int] : ( ~ (v4 = 0) & sequential(all_20_7, v3) = v4)) &  !
% 30.93/5.08  |             [v3: $i] : ( ~ (sequential(all_20_7, v3) = 0) |  ~ $i(v3) |  ?
% 30.93/5.08  |               [v4: int] : ( ~ (v4 = 0) & precedes(v3, all_20_8, all_20_6) =
% 30.93/5.08  |                 v4))) | ( ~ (v1 = 0) & on_path(all_20_8, all_20_6) = v1) | ( ~
% 30.93/5.08  |             (v0 = 0) & on_path(all_20_7, all_20_6) = v0))
% 30.93/5.08  | 
% 30.93/5.08  | GROUND_INST: instantiating (7) with all_20_10, all_20_9, all_20_8, all_20_7,
% 30.93/5.08  |              all_20_6, all_27_0, simplifying with (15), (16), (17), (18),
% 30.93/5.08  |              (19), (23), (29) gives:
% 30.93/5.08  |   (43)   ? [v0: int] :  ? [v1: $i] :  ? [v2: $i] : (( ~ (v0 = 0) &
% 30.93/5.08  |             precedes(all_20_8, all_20_7, all_20_6) = v0) | ( ~ (all_27_0 = 0)
% 30.93/5.08  |             & head_of(all_20_7) = v2 & tail_of(all_20_8) = v1 & $i(v2) &
% 30.93/5.08  |             $i(v1) &  ! [v3: $i] : ( ~ (head_of(v3) = v2) |  ~ $i(v3) |  ?
% 30.93/5.08  |               [v4: $i] : ( ~ (v4 = v1) & tail_of(v3) = v4 & $i(v4))) &  ! [v3:
% 30.93/5.08  |               $i] : ( ~ (tail_of(v3) = v1) |  ~ $i(v3) |  ? [v4: $i] : ( ~ (v4
% 30.93/5.08  |                   = v2) & head_of(v3) = v4 & $i(v4)))))
% 30.93/5.08  | 
% 30.93/5.08  | DELTA: instantiating (40) with fresh symbol all_51_0 gives:
% 30.93/5.10  |   (44)   ~ (all_51_0 = all_34_1) & head_of(all_20_8) = all_51_0 & $i(all_51_0)
% 30.93/5.10  | 
% 30.93/5.10  | ALPHA: (44) implies:
% 30.93/5.10  |   (45)   ~ (all_51_0 = all_34_1)
% 30.93/5.10  |   (46)  head_of(all_20_8) = all_51_0
% 30.93/5.10  | 
% 30.93/5.10  | DELTA: instantiating (39) with fresh symbols all_60_0, all_60_1 gives:
% 30.93/5.10  |   (47)  ( ~ (all_60_0 = 0) & precedes(all_20_7, all_20_8, all_20_6) = all_60_0
% 30.93/5.10  |           &  ! [v0: $i] : ( ~ (head_of(v0) = all_20_4) |  ~ $i(v0) |  ? [v1:
% 30.93/5.10  |               any] : ( ~ (v1 = all_34_2) & tail_of(v0) = v1 & $i(v1))) &  !
% 30.93/5.10  |           [v0: $i] : ( ~ (tail_of(v0) = all_34_2) |  ~ $i(v0) |  ? [v1: any] :
% 30.93/5.10  |             ( ~ (v1 = all_20_4) & head_of(v0) = v1 & $i(v1)))) | ( ~ (all_60_1
% 30.93/5.10  |             = 0) & precedes(all_20_8, all_20_7, all_20_6) = all_60_1)
% 30.93/5.10  | 
% 30.93/5.10  | DELTA: instantiating (43) with fresh symbols all_62_0, all_62_1, all_62_2
% 30.93/5.10  |        gives:
% 30.93/5.10  |   (48)  ( ~ (all_62_2 = 0) & precedes(all_20_8, all_20_7, all_20_6) =
% 30.93/5.10  |           all_62_2) | ( ~ (all_27_0 = 0) & head_of(all_20_7) = all_62_0 &
% 30.93/5.10  |           tail_of(all_20_8) = all_62_1 & $i(all_62_0) & $i(all_62_1) &  ! [v0:
% 30.93/5.10  |             $i] : ( ~ (head_of(v0) = all_62_0) |  ~ $i(v0) |  ? [v1: any] : (
% 30.93/5.10  |               ~ (v1 = all_62_1) & tail_of(v0) = v1 & $i(v1))) &  ! [v0: $i] :
% 30.93/5.10  |           ( ~ (tail_of(v0) = all_62_1) |  ~ $i(v0) |  ? [v1: any] : ( ~ (v1 =
% 30.93/5.10  |                 all_62_0) & head_of(v0) = v1 & $i(v1))))
% 30.93/5.10  | 
% 30.93/5.10  | DELTA: instantiating (41) with fresh symbols all_63_0, all_63_1, all_63_2,
% 30.93/5.10  |        all_63_3 gives:
% 30.93/5.10  |   (49)  on_path(all_20_7, all_20_6) = 0 & on_path(all_20_8, all_20_6) = 0 &
% 30.93/5.10  |         $i(all_63_2) & ((all_63_0 = 0 & all_63_1 = 0 & precedes(all_63_2,
% 30.93/5.10  |               all_20_7, all_20_6) = 0 & sequential(all_20_8, all_63_2) = 0) |
% 30.93/5.10  |           (all_63_3 = 0 & sequential(all_20_8, all_20_7) = 0)) & (( ~
% 30.93/5.10  |             (all_63_3 = 0) & sequential(all_20_8, all_20_7) = all_63_3) | ( !
% 30.93/5.10  |             [v0: $i] : ( ~ (precedes(v0, all_20_7, all_20_6) = 0) |  ~ $i(v0)
% 30.93/5.10  |               |  ? [v1: int] : ( ~ (v1 = 0) & sequential(all_20_8, v0) = v1))
% 30.93/5.10  |             &  ! [v0: $i] : ( ~ (sequential(all_20_8, v0) = 0) |  ~ $i(v0) | 
% 30.93/5.10  |               ? [v1: int] : ( ~ (v1 = 0) & precedes(v0, all_20_7, all_20_6) =
% 30.93/5.10  |                 v1))))
% 30.93/5.10  | 
% 30.93/5.10  | ALPHA: (49) implies:
% 30.93/5.10  |   (50)  on_path(all_20_8, all_20_6) = 0
% 30.93/5.10  |   (51)  on_path(all_20_7, all_20_6) = 0
% 30.93/5.10  | 
% 30.93/5.10  | REDUCE: (37), (45) imply:
% 30.93/5.10  |   (52)   ~ (all_51_0 = all_20_4)
% 30.93/5.10  | 
% 30.93/5.10  | BETA: splitting (24) gives:
% 30.93/5.10  | 
% 30.93/5.10  | Case 1:
% 30.93/5.10  | | 
% 30.93/5.10  | |   (53)  all_20_3 = all_20_4 & head_of(all_20_8) = all_20_4
% 30.93/5.10  | | 
% 30.93/5.10  | | ALPHA: (53) implies:
% 30.93/5.10  | |   (54)  head_of(all_20_8) = all_20_4
% 30.93/5.10  | | 
% 30.93/5.10  | | GROUND_INST: instantiating (11) with all_20_4, all_51_0, all_20_8,
% 30.93/5.10  | |              simplifying with (46), (54) gives:
% 30.93/5.10  | |   (55)  all_51_0 = all_20_4
% 30.93/5.10  | | 
% 30.93/5.10  | | REDUCE: (52), (55) imply:
% 30.93/5.10  | |   (56)  $false
% 30.93/5.10  | | 
% 30.93/5.10  | | CLOSE: (56) is inconsistent.
% 30.93/5.10  | | 
% 30.93/5.11  | Case 2:
% 30.93/5.11  | | 
% 30.93/5.11  | |   (57)  tail_of(all_20_8) = all_20_5 & $i(all_20_5) & (all_20_4 = all_20_5 |
% 30.93/5.11  | |           (all_20_0 = all_20_4 & all_20_1 = all_20_5 & head_of(all_20_2) =
% 30.93/5.11  | |             all_20_4 & tail_of(all_20_2) = all_20_5))
% 30.93/5.11  | | 
% 30.93/5.11  | | ALPHA: (57) implies:
% 30.93/5.11  | |   (58)  tail_of(all_20_8) = all_20_5
% 30.93/5.11  | |   (59)  all_20_4 = all_20_5 | (all_20_0 = all_20_4 & all_20_1 = all_20_5 &
% 30.93/5.11  | |           head_of(all_20_2) = all_20_4 & tail_of(all_20_2) = all_20_5)
% 30.93/5.11  | | 
% 30.93/5.11  | | BETA: splitting (48) gives:
% 30.93/5.11  | | 
% 30.93/5.11  | | Case 1:
% 30.93/5.11  | | | 
% 30.93/5.11  | | |   (60)   ~ (all_62_2 = 0) & precedes(all_20_8, all_20_7, all_20_6) =
% 30.93/5.11  | | |         all_62_2
% 30.93/5.11  | | | 
% 30.93/5.11  | | | ALPHA: (60) implies:
% 30.93/5.11  | | |   (61)   ~ (all_62_2 = 0)
% 30.93/5.11  | | |   (62)  precedes(all_20_8, all_20_7, all_20_6) = all_62_2
% 30.93/5.11  | | | 
% 30.93/5.11  | | | GROUND_INST: instantiating (13) with 0, all_62_2, all_20_6, all_20_7,
% 30.93/5.11  | | |              all_20_8, simplifying with (22), (62) gives:
% 30.93/5.11  | | |   (63)  all_62_2 = 0
% 30.93/5.11  | | | 
% 30.93/5.11  | | | REDUCE: (61), (63) imply:
% 30.93/5.11  | | |   (64)  $false
% 30.93/5.11  | | | 
% 30.93/5.11  | | | CLOSE: (64) is inconsistent.
% 30.93/5.11  | | | 
% 30.93/5.11  | | Case 2:
% 30.93/5.11  | | | 
% 30.93/5.11  | | |   (65)   ~ (all_27_0 = 0) & head_of(all_20_7) = all_62_0 &
% 30.93/5.11  | | |         tail_of(all_20_8) = all_62_1 & $i(all_62_0) & $i(all_62_1) &  !
% 30.93/5.11  | | |         [v0: $i] : ( ~ (head_of(v0) = all_62_0) |  ~ $i(v0) |  ? [v1: any]
% 30.93/5.11  | | |           : ( ~ (v1 = all_62_1) & tail_of(v0) = v1 & $i(v1))) &  ! [v0:
% 30.93/5.11  | | |           $i] : ( ~ (tail_of(v0) = all_62_1) |  ~ $i(v0) |  ? [v1: any] :
% 30.93/5.11  | | |           ( ~ (v1 = all_62_0) & head_of(v0) = v1 & $i(v1)))
% 30.93/5.11  | | | 
% 30.93/5.11  | | | ALPHA: (65) implies:
% 30.93/5.11  | | |   (66)   ~ (all_27_0 = 0)
% 30.93/5.11  | | |   (67)  tail_of(all_20_8) = all_62_1
% 30.93/5.11  | | |   (68)  head_of(all_20_7) = all_62_0
% 30.93/5.11  | | | 
% 30.93/5.11  | | | BETA: splitting (42) gives:
% 30.93/5.11  | | | 
% 30.93/5.11  | | | Case 1:
% 30.93/5.11  | | | | 
% 30.93/5.11  | | | |   (69)  all_27_0 = 0
% 30.93/5.11  | | | | 
% 30.93/5.11  | | | | REDUCE: (66), (69) imply:
% 30.93/5.11  | | | |   (70)  $false
% 30.93/5.11  | | | | 
% 30.93/5.11  | | | | CLOSE: (70) is inconsistent.
% 30.93/5.11  | | | | 
% 30.93/5.11  | | | Case 2:
% 30.93/5.11  | | | | 
% 30.93/5.11  | | | |   (71)   ? [v0: int] :  ? [v1: int] :  ? [v2: int] : (( ~ (v2 = 0) &
% 30.93/5.11  | | | |             sequential(all_20_7, all_20_8) = v2 &  ! [v3: $i] : ( ~
% 30.93/5.11  | | | |               (precedes(v3, all_20_8, all_20_6) = 0) |  ~ $i(v3) |  ?
% 30.93/5.11  | | | |               [v4: int] : ( ~ (v4 = 0) & sequential(all_20_7, v3) = v4))
% 30.93/5.11  | | | |             &  ! [v3: $i] : ( ~ (sequential(all_20_7, v3) = 0) |  ~
% 30.93/5.11  | | | |               $i(v3) |  ? [v4: int] : ( ~ (v4 = 0) & precedes(v3,
% 30.93/5.11  | | | |                   all_20_8, all_20_6) = v4))) | ( ~ (v1 = 0) &
% 30.93/5.11  | | | |             on_path(all_20_8, all_20_6) = v1) | ( ~ (v0 = 0) &
% 30.93/5.11  | | | |             on_path(all_20_7, all_20_6) = v0))
% 30.93/5.11  | | | | 
% 30.93/5.11  | | | | DELTA: instantiating (71) with fresh symbols all_91_0, all_91_1,
% 30.93/5.11  | | | |        all_91_2 gives:
% 30.93/5.11  | | | |   (72)  ( ~ (all_91_0 = 0) & sequential(all_20_7, all_20_8) = all_91_0 &
% 30.93/5.11  | | | |            ! [v0: $i] : ( ~ (precedes(v0, all_20_8, all_20_6) = 0) |  ~
% 30.93/5.11  | | | |             $i(v0) |  ? [v1: int] : ( ~ (v1 = 0) & sequential(all_20_7,
% 30.93/5.11  | | | |                 v0) = v1)) &  ! [v0: $i] : ( ~ (sequential(all_20_7, v0)
% 30.93/5.11  | | | |               = 0) |  ~ $i(v0) |  ? [v1: int] : ( ~ (v1 = 0) &
% 30.93/5.11  | | | |               precedes(v0, all_20_8, all_20_6) = v1))) | ( ~ (all_91_1 =
% 30.93/5.11  | | | |             0) & on_path(all_20_8, all_20_6) = all_91_1) | ( ~ (all_91_2
% 30.93/5.11  | | | |             = 0) & on_path(all_20_7, all_20_6) = all_91_2)
% 30.93/5.11  | | | | 
% 30.93/5.11  | | | | BETA: splitting (72) gives:
% 30.93/5.11  | | | | 
% 30.93/5.11  | | | | Case 1:
% 30.93/5.11  | | | | | 
% 30.93/5.11  | | | | |   (73)   ~ (all_91_0 = 0) & sequential(all_20_7, all_20_8) = all_91_0
% 30.93/5.11  | | | | |         &  ! [v0: $i] : ( ~ (precedes(v0, all_20_8, all_20_6) = 0) | 
% 30.93/5.11  | | | | |           ~ $i(v0) |  ? [v1: int] : ( ~ (v1 = 0) &
% 30.93/5.11  | | | | |             sequential(all_20_7, v0) = v1)) &  ! [v0: $i] : ( ~
% 30.93/5.11  | | | | |           (sequential(all_20_7, v0) = 0) |  ~ $i(v0) |  ? [v1: int] :
% 30.93/5.11  | | | | |           ( ~ (v1 = 0) & precedes(v0, all_20_8, all_20_6) = v1))
% 30.93/5.11  | | | | | 
% 30.93/5.11  | | | | | ALPHA: (73) implies:
% 30.93/5.11  | | | | |   (74)   ~ (all_91_0 = 0)
% 30.93/5.11  | | | | |   (75)  sequential(all_20_7, all_20_8) = all_91_0
% 30.93/5.11  | | | | | 
% 30.93/5.11  | | | | | BETA: splitting (47) gives:
% 30.93/5.11  | | | | | 
% 30.93/5.11  | | | | | Case 1:
% 30.93/5.11  | | | | | | 
% 30.93/5.11  | | | | | |   (76)   ~ (all_60_0 = 0) & precedes(all_20_7, all_20_8, all_20_6) =
% 30.93/5.11  | | | | | |         all_60_0 &  ! [v0: $i] : ( ~ (head_of(v0) = all_20_4) |  ~
% 30.93/5.11  | | | | | |           $i(v0) |  ? [v1: any] : ( ~ (v1 = all_34_2) & tail_of(v0)
% 30.93/5.11  | | | | | |             = v1 & $i(v1))) &  ! [v0: $i] : ( ~ (tail_of(v0) =
% 30.93/5.11  | | | | | |             all_34_2) |  ~ $i(v0) |  ? [v1: any] : ( ~ (v1 =
% 30.93/5.11  | | | | | |               all_20_4) & head_of(v0) = v1 & $i(v1)))
% 30.93/5.11  | | | | | | 
% 30.93/5.11  | | | | | | ALPHA: (76) implies:
% 30.93/5.11  | | | | | |   (77)   ~ (all_60_0 = 0)
% 30.93/5.11  | | | | | |   (78)  precedes(all_20_7, all_20_8, all_20_6) = all_60_0
% 30.93/5.11  | | | | | |   (79)   ! [v0: $i] : ( ~ (head_of(v0) = all_20_4) |  ~ $i(v0) |  ?
% 30.93/5.11  | | | | | |           [v1: any] : ( ~ (v1 = all_34_2) & tail_of(v0) = v1 &
% 30.93/5.11  | | | | | |             $i(v1)))
% 30.93/5.11  | | | | | | 
% 30.93/5.11  | | | | | | GROUND_INST: instantiating (9) with all_34_2, all_62_1, all_20_8,
% 30.93/5.11  | | | | | |              simplifying with (33), (67) gives:
% 30.93/5.11  | | | | | |   (80)  all_62_1 = all_34_2
% 30.93/5.11  | | | | | | 
% 30.93/5.11  | | | | | | GROUND_INST: instantiating (9) with all_20_5, all_62_1, all_20_8,
% 30.93/5.11  | | | | | |              simplifying with (58), (67) gives:
% 30.93/5.11  | | | | | |   (81)  all_62_1 = all_20_5
% 30.93/5.11  | | | | | | 
% 30.93/5.11  | | | | | | GROUND_INST: instantiating (11) with all_20_4, all_62_0, all_20_7,
% 30.93/5.11  | | | | | |              simplifying with (21), (68) gives:
% 30.93/5.11  | | | | | |   (82)  all_62_0 = all_20_4
% 30.93/5.11  | | | | | | 
% 30.93/5.11  | | | | | | GROUND_INST: instantiating (13) with all_27_0, all_60_0, all_20_6,
% 30.93/5.11  | | | | | |              all_20_8, all_20_7, simplifying with (29), (78) gives:
% 30.93/5.11  | | | | | |   (83)  all_60_0 = all_27_0
% 30.93/5.11  | | | | | | 
% 30.93/5.11  | | | | | | COMBINE_EQS: (80), (81) imply:
% 30.93/5.11  | | | | | |   (84)  all_34_2 = all_20_5
% 30.93/5.11  | | | | | | 
% 30.93/5.11  | | | | | | SIMP: (84) implies:
% 30.93/5.11  | | | | | |   (85)  all_34_2 = all_20_5
% 30.93/5.11  | | | | | | 
% 30.93/5.11  | | | | | | GROUND_INST: instantiating (1) with all_20_10, all_20_9, all_20_6,
% 30.93/5.11  | | | | | |              all_20_8, simplifying with (15), (16), (17), (19),
% 30.93/5.11  | | | | | |              (31), (50) gives:
% 30.93/5.11  | | | | | |   (86)   ? [v0: $i] :  ? [v1: $i] : (in_path(v1, all_20_6) = 0 &
% 30.93/5.11  | | | | | |           in_path(v0, all_20_6) = 0 & head_of(all_20_8) = v0 &
% 30.93/5.11  | | | | | |           edge(all_20_8) = 0 & tail_of(all_20_8) = v1 & $i(v1) &
% 30.93/5.11  | | | | | |           $i(v0))
% 30.93/5.11  | | | | | | 
% 30.93/5.11  | | | | | | GROUND_INST: instantiating (1) with all_20_10, all_20_9, all_20_6,
% 30.93/5.11  | | | | | |              all_20_7, simplifying with (15), (16), (18), (19),
% 30.93/5.11  | | | | | |              (31), (51) gives:
% 30.93/5.11  | | | | | |   (87)   ? [v0: $i] :  ? [v1: $i] : (in_path(v1, all_20_6) = 0 &
% 30.93/5.11  | | | | | |           in_path(v0, all_20_6) = 0 & head_of(all_20_7) = v0 &
% 30.93/5.11  | | | | | |           edge(all_20_7) = 0 & tail_of(all_20_7) = v1 & $i(v1) &
% 30.93/5.11  | | | | | |           $i(v0))
% 30.93/5.11  | | | | | | 
% 30.93/5.11  | | | | | | GROUND_INST: instantiating (2) with all_20_7, all_20_8, all_91_0,
% 30.93/5.11  | | | | | |              simplifying with (17), (18), (75) gives:
% 30.93/5.11  | | | | | |   (88)  all_91_0 = 0 | all_20_7 = all_20_8 |  ? [v0: int] :  ? [v1:
% 30.93/5.11  | | | | | |           int] :  ? [v2: $i] :  ? [v3: $i] : (( ~ (v3 = v2) &
% 30.93/5.11  | | | | | |             head_of(all_20_7) = v2 & tail_of(all_20_8) = v3 & $i(v3)
% 30.93/5.11  | | | | | |             & $i(v2)) | ( ~ (v1 = 0) & edge(all_20_8) = v1) | ( ~
% 30.93/5.11  | | | | | |             (v0 = 0) & edge(all_20_7) = v0))
% 30.93/5.11  | | | | | | 
% 30.93/5.11  | | | | | | DELTA: instantiating (87) with fresh symbols all_134_0, all_134_1
% 30.93/5.11  | | | | | |        gives:
% 30.93/5.11  | | | | | |   (89)  in_path(all_134_0, all_20_6) = 0 & in_path(all_134_1,
% 30.93/5.11  | | | | | |           all_20_6) = 0 & head_of(all_20_7) = all_134_1 &
% 30.93/5.11  | | | | | |         edge(all_20_7) = 0 & tail_of(all_20_7) = all_134_0 &
% 30.93/5.11  | | | | | |         $i(all_134_0) & $i(all_134_1)
% 30.93/5.11  | | | | | | 
% 30.93/5.11  | | | | | | ALPHA: (89) implies:
% 30.93/5.12  | | | | | |   (90)  edge(all_20_7) = 0
% 30.93/5.12  | | | | | | 
% 30.93/5.12  | | | | | | DELTA: instantiating (86) with fresh symbols all_136_0, all_136_1
% 30.93/5.12  | | | | | |        gives:
% 30.93/5.12  | | | | | |   (91)  in_path(all_136_0, all_20_6) = 0 & in_path(all_136_1,
% 30.93/5.12  | | | | | |           all_20_6) = 0 & head_of(all_20_8) = all_136_1 &
% 30.93/5.12  | | | | | |         edge(all_20_8) = 0 & tail_of(all_20_8) = all_136_0 &
% 30.93/5.12  | | | | | |         $i(all_136_0) & $i(all_136_1)
% 30.93/5.12  | | | | | | 
% 30.93/5.12  | | | | | | ALPHA: (91) implies:
% 30.93/5.12  | | | | | |   (92)  edge(all_20_8) = 0
% 30.93/5.12  | | | | | | 
% 30.93/5.12  | | | | | | BETA: splitting (59) gives:
% 30.93/5.12  | | | | | | 
% 30.93/5.12  | | | | | | Case 1:
% 30.93/5.12  | | | | | | | 
% 30.93/5.12  | | | | | | |   (93)  all_20_4 = all_20_5
% 30.93/5.12  | | | | | | | 
% 30.93/5.12  | | | | | | | REDUCE: (21), (93) imply:
% 30.93/5.12  | | | | | | |   (94)  head_of(all_20_7) = all_20_5
% 30.93/5.12  | | | | | | | 
% 30.93/5.12  | | | | | | | BETA: splitting (88) gives:
% 30.93/5.12  | | | | | | | 
% 30.93/5.12  | | | | | | | Case 1:
% 30.93/5.12  | | | | | | | | 
% 30.93/5.12  | | | | | | | |   (95)  all_91_0 = 0
% 30.93/5.12  | | | | | | | | 
% 30.93/5.12  | | | | | | | | REDUCE: (74), (95) imply:
% 30.93/5.12  | | | | | | | |   (96)  $false
% 30.93/5.12  | | | | | | | | 
% 30.93/5.12  | | | | | | | | CLOSE: (96) is inconsistent.
% 30.93/5.12  | | | | | | | | 
% 30.93/5.12  | | | | | | | Case 2:
% 30.93/5.12  | | | | | | | | 
% 30.93/5.12  | | | | | | | |   (97)  all_20_7 = all_20_8 |  ? [v0: int] :  ? [v1: int] :  ?
% 30.93/5.12  | | | | | | | |         [v2: $i] :  ? [v3: $i] : (( ~ (v3 = v2) &
% 30.93/5.12  | | | | | | | |             head_of(all_20_7) = v2 & tail_of(all_20_8) = v3 &
% 30.93/5.12  | | | | | | | |             $i(v3) & $i(v2)) | ( ~ (v1 = 0) & edge(all_20_8) =
% 30.93/5.12  | | | | | | | |             v1) | ( ~ (v0 = 0) & edge(all_20_7) = v0))
% 30.93/5.12  | | | | | | | | 
% 30.93/5.12  | | | | | | | | BETA: splitting (97) gives:
% 30.93/5.12  | | | | | | | | 
% 30.93/5.12  | | | | | | | | Case 1:
% 30.93/5.12  | | | | | | | | | 
% 30.93/5.12  | | | | | | | | |   (98)  all_20_7 = all_20_8
% 30.93/5.12  | | | | | | | | | 
% 30.93/5.12  | | | | | | | | | REDUCE: (29), (98) imply:
% 30.93/5.12  | | | | | | | | |   (99)  precedes(all_20_8, all_20_8, all_20_6) = all_27_0
% 30.93/5.12  | | | | | | | | | 
% 30.93/5.12  | | | | | | | | | REDUCE: (22), (98) imply:
% 30.93/5.12  | | | | | | | | |   (100)  precedes(all_20_8, all_20_8, all_20_6) = 0
% 30.93/5.12  | | | | | | | | | 
% 30.93/5.12  | | | | | | | | | GROUND_INST: instantiating (13) with 0, all_27_0, all_20_6,
% 30.93/5.12  | | | | | | | | |              all_20_8, all_20_8, simplifying with (99), (100)
% 30.93/5.12  | | | | | | | | |              gives:
% 30.93/5.12  | | | | | | | | |   (101)  all_27_0 = 0
% 30.93/5.12  | | | | | | | | | 
% 30.93/5.12  | | | | | | | | | REDUCE: (66), (101) imply:
% 30.93/5.12  | | | | | | | | |   (102)  $false
% 30.93/5.12  | | | | | | | | | 
% 30.93/5.12  | | | | | | | | | CLOSE: (102) is inconsistent.
% 30.93/5.12  | | | | | | | | | 
% 30.93/5.12  | | | | | | | | Case 2:
% 30.93/5.12  | | | | | | | | | 
% 30.93/5.12  | | | | | | | | |   (103)   ? [v0: int] :  ? [v1: int] :  ? [v2: $i] :  ? [v3:
% 30.93/5.12  | | | | | | | | |            $i] : (( ~ (v3 = v2) & head_of(all_20_7) = v2 &
% 30.93/5.12  | | | | | | | | |              tail_of(all_20_8) = v3 & $i(v3) & $i(v2)) | ( ~
% 30.93/5.12  | | | | | | | | |              (v1 = 0) & edge(all_20_8) = v1) | ( ~ (v0 = 0) &
% 30.93/5.12  | | | | | | | | |              edge(all_20_7) = v0))
% 30.93/5.12  | | | | | | | | | 
% 30.93/5.12  | | | | | | | | | DELTA: instantiating (103) with fresh symbols all_308_0,
% 30.93/5.12  | | | | | | | | |        all_308_1, all_308_2, all_308_3 gives:
% 30.93/5.12  | | | | | | | | |   (104)  ( ~ (all_308_0 = all_308_1) & head_of(all_20_7) =
% 30.93/5.12  | | | | | | | | |            all_308_1 & tail_of(all_20_8) = all_308_0 &
% 30.93/5.12  | | | | | | | | |            $i(all_308_0) & $i(all_308_1)) | ( ~ (all_308_2 =
% 30.93/5.12  | | | | | | | | |              0) & edge(all_20_8) = all_308_2) | ( ~ (all_308_3
% 30.93/5.12  | | | | | | | | |              = 0) & edge(all_20_7) = all_308_3)
% 30.93/5.12  | | | | | | | | | 
% 30.93/5.12  | | | | | | | | | BETA: splitting (104) gives:
% 30.93/5.12  | | | | | | | | | 
% 30.93/5.12  | | | | | | | | | Case 1:
% 30.93/5.12  | | | | | | | | | | 
% 30.93/5.12  | | | | | | | | | |   (105)   ~ (all_308_0 = all_308_1) & head_of(all_20_7) =
% 30.93/5.12  | | | | | | | | | |          all_308_1 & tail_of(all_20_8) = all_308_0 &
% 30.93/5.12  | | | | | | | | | |          $i(all_308_0) & $i(all_308_1)
% 30.93/5.12  | | | | | | | | | | 
% 30.93/5.12  | | | | | | | | | | ALPHA: (105) implies:
% 30.93/5.12  | | | | | | | | | |   (106)   ~ (all_308_0 = all_308_1)
% 30.93/5.12  | | | | | | | | | |   (107)  tail_of(all_20_8) = all_308_0
% 30.93/5.12  | | | | | | | | | |   (108)  head_of(all_20_7) = all_308_1
% 30.93/5.12  | | | | | | | | | | 
% 30.93/5.12  | | | | | | | | | | GROUND_INST: instantiating (9) with all_20_5, all_308_0,
% 30.93/5.12  | | | | | | | | | |              all_20_8, simplifying with (58), (107) gives:
% 30.93/5.12  | | | | | | | | | |   (109)  all_308_0 = all_20_5
% 30.93/5.12  | | | | | | | | | | 
% 30.93/5.12  | | | | | | | | | | GROUND_INST: instantiating (11) with all_20_5, all_308_1,
% 30.93/5.12  | | | | | | | | | |              all_20_7, simplifying with (94), (108) gives:
% 30.93/5.12  | | | | | | | | | |   (110)  all_308_1 = all_20_5
% 30.93/5.12  | | | | | | | | | | 
% 30.93/5.12  | | | | | | | | | | REDUCE: (106), (109), (110) imply:
% 30.93/5.12  | | | | | | | | | |   (111)  $false
% 30.93/5.12  | | | | | | | | | | 
% 30.93/5.12  | | | | | | | | | | CLOSE: (111) is inconsistent.
% 30.93/5.12  | | | | | | | | | | 
% 30.93/5.12  | | | | | | | | | Case 2:
% 30.93/5.12  | | | | | | | | | | 
% 30.93/5.12  | | | | | | | | | |   (112)  ( ~ (all_308_2 = 0) & edge(all_20_8) = all_308_2) |
% 30.93/5.12  | | | | | | | | | |          ( ~ (all_308_3 = 0) & edge(all_20_7) = all_308_3)
% 30.93/5.12  | | | | | | | | | | 
% 30.93/5.12  | | | | | | | | | | BETA: splitting (112) gives:
% 30.93/5.12  | | | | | | | | | | 
% 30.93/5.12  | | | | | | | | | | Case 1:
% 30.93/5.12  | | | | | | | | | | | 
% 30.93/5.12  | | | | | | | | | | |   (113)   ~ (all_308_2 = 0) & edge(all_20_8) = all_308_2
% 30.93/5.12  | | | | | | | | | | | 
% 30.93/5.12  | | | | | | | | | | | ALPHA: (113) implies:
% 30.93/5.12  | | | | | | | | | | |   (114)   ~ (all_308_2 = 0)
% 30.93/5.12  | | | | | | | | | | |   (115)  edge(all_20_8) = all_308_2
% 30.93/5.12  | | | | | | | | | | | 
% 30.93/5.12  | | | | | | | | | | | GROUND_INST: instantiating (10) with 0, all_308_2, all_20_8,
% 30.93/5.12  | | | | | | | | | | |              simplifying with (92), (115) gives:
% 30.93/5.12  | | | | | | | | | | |   (116)  all_308_2 = 0
% 30.93/5.12  | | | | | | | | | | | 
% 30.93/5.12  | | | | | | | | | | | REDUCE: (114), (116) imply:
% 30.93/5.12  | | | | | | | | | | |   (117)  $false
% 30.93/5.12  | | | | | | | | | | | 
% 30.93/5.12  | | | | | | | | | | | CLOSE: (117) is inconsistent.
% 30.93/5.12  | | | | | | | | | | | 
% 30.93/5.12  | | | | | | | | | | Case 2:
% 30.93/5.12  | | | | | | | | | | | 
% 30.93/5.12  | | | | | | | | | | |   (118)   ~ (all_308_3 = 0) & edge(all_20_7) = all_308_3
% 30.93/5.12  | | | | | | | | | | | 
% 30.93/5.12  | | | | | | | | | | | ALPHA: (118) implies:
% 30.93/5.12  | | | | | | | | | | |   (119)   ~ (all_308_3 = 0)
% 30.93/5.12  | | | | | | | | | | |   (120)  edge(all_20_7) = all_308_3
% 30.93/5.12  | | | | | | | | | | | 
% 30.93/5.12  | | | | | | | | | | | GROUND_INST: instantiating (10) with 0, all_308_3, all_20_7,
% 30.93/5.12  | | | | | | | | | | |              simplifying with (90), (120) gives:
% 30.93/5.12  | | | | | | | | | | |   (121)  all_308_3 = 0
% 30.93/5.12  | | | | | | | | | | | 
% 30.93/5.12  | | | | | | | | | | | REDUCE: (119), (121) imply:
% 30.93/5.12  | | | | | | | | | | |   (122)  $false
% 30.93/5.12  | | | | | | | | | | | 
% 30.93/5.12  | | | | | | | | | | | CLOSE: (122) is inconsistent.
% 30.93/5.12  | | | | | | | | | | | 
% 30.93/5.12  | | | | | | | | | | End of split
% 30.93/5.12  | | | | | | | | | | 
% 30.93/5.12  | | | | | | | | | End of split
% 30.93/5.12  | | | | | | | | | 
% 30.93/5.12  | | | | | | | | End of split
% 30.93/5.12  | | | | | | | | 
% 30.93/5.12  | | | | | | | End of split
% 30.93/5.12  | | | | | | | 
% 30.93/5.12  | | | | | | Case 2:
% 30.93/5.12  | | | | | | | 
% 30.93/5.12  | | | | | | |   (123)  all_20_0 = all_20_4 & all_20_1 = all_20_5 &
% 30.93/5.12  | | | | | | |          head_of(all_20_2) = all_20_4 & tail_of(all_20_2) =
% 30.93/5.12  | | | | | | |          all_20_5
% 30.93/5.12  | | | | | | | 
% 30.93/5.12  | | | | | | | ALPHA: (123) implies:
% 30.93/5.12  | | | | | | |   (124)  tail_of(all_20_2) = all_20_5
% 30.93/5.12  | | | | | | |   (125)  head_of(all_20_2) = all_20_4
% 30.93/5.12  | | | | | | | 
% 30.93/5.12  | | | | | | | GROUND_INST: instantiating (79) with all_20_2, simplifying with
% 30.93/5.12  | | | | | | |              (20), (125) gives:
% 30.93/5.12  | | | | | | |   (126)   ? [v0: any] : ( ~ (v0 = all_34_2) & tail_of(all_20_2) =
% 30.93/5.12  | | | | | | |            v0 & $i(v0))
% 30.93/5.12  | | | | | | | 
% 30.93/5.12  | | | | | | | DELTA: instantiating (126) with fresh symbol all_327_0 gives:
% 30.93/5.12  | | | | | | |   (127)   ~ (all_327_0 = all_34_2) & tail_of(all_20_2) = all_327_0
% 30.93/5.12  | | | | | | |          & $i(all_327_0)
% 30.93/5.12  | | | | | | | 
% 30.93/5.12  | | | | | | | ALPHA: (127) implies:
% 30.93/5.12  | | | | | | |   (128)   ~ (all_327_0 = all_34_2)
% 30.93/5.12  | | | | | | |   (129)  tail_of(all_20_2) = all_327_0
% 30.93/5.12  | | | | | | | 
% 30.93/5.12  | | | | | | | REDUCE: (85), (128) imply:
% 30.93/5.12  | | | | | | |   (130)   ~ (all_327_0 = all_20_5)
% 30.93/5.12  | | | | | | | 
% 30.93/5.12  | | | | | | | GROUND_INST: instantiating (9) with all_20_5, all_327_0, all_20_2,
% 30.93/5.12  | | | | | | |              simplifying with (124), (129) gives:
% 30.93/5.12  | | | | | | |   (131)  all_327_0 = all_20_5
% 30.93/5.12  | | | | | | | 
% 30.93/5.12  | | | | | | | REDUCE: (130), (131) imply:
% 30.93/5.12  | | | | | | |   (132)  $false
% 30.93/5.12  | | | | | | | 
% 30.93/5.12  | | | | | | | CLOSE: (132) is inconsistent.
% 30.93/5.12  | | | | | | | 
% 30.93/5.12  | | | | | | End of split
% 30.93/5.12  | | | | | | 
% 30.93/5.12  | | | | | Case 2:
% 30.93/5.12  | | | | | | 
% 30.93/5.12  | | | | | |   (133)   ~ (all_60_1 = 0) & precedes(all_20_8, all_20_7, all_20_6)
% 30.93/5.12  | | | | | |          = all_60_1
% 30.93/5.12  | | | | | | 
% 30.93/5.12  | | | | | | ALPHA: (133) implies:
% 30.93/5.12  | | | | | |   (134)   ~ (all_60_1 = 0)
% 30.93/5.12  | | | | | |   (135)  precedes(all_20_8, all_20_7, all_20_6) = all_60_1
% 30.93/5.12  | | | | | | 
% 30.93/5.12  | | | | | | GROUND_INST: instantiating (13) with 0, all_60_1, all_20_6,
% 30.93/5.12  | | | | | |              all_20_7, all_20_8, simplifying with (22), (135) gives:
% 30.93/5.12  | | | | | |   (136)  all_60_1 = 0
% 30.93/5.12  | | | | | | 
% 30.93/5.12  | | | | | | REDUCE: (134), (136) imply:
% 30.93/5.12  | | | | | |   (137)  $false
% 30.93/5.12  | | | | | | 
% 30.93/5.12  | | | | | | CLOSE: (137) is inconsistent.
% 30.93/5.12  | | | | | | 
% 30.93/5.12  | | | | | End of split
% 30.93/5.12  | | | | | 
% 30.93/5.12  | | | | Case 2:
% 30.93/5.12  | | | | | 
% 30.93/5.12  | | | | |   (138)  ( ~ (all_91_1 = 0) & on_path(all_20_8, all_20_6) = all_91_1)
% 30.93/5.12  | | | | |          | ( ~ (all_91_2 = 0) & on_path(all_20_7, all_20_6) =
% 30.93/5.12  | | | | |            all_91_2)
% 30.93/5.12  | | | | | 
% 30.93/5.12  | | | | | BETA: splitting (138) gives:
% 30.93/5.12  | | | | | 
% 30.93/5.12  | | | | | Case 1:
% 30.93/5.12  | | | | | | 
% 30.93/5.12  | | | | | |   (139)   ~ (all_91_1 = 0) & on_path(all_20_8, all_20_6) = all_91_1
% 30.93/5.12  | | | | | | 
% 30.93/5.12  | | | | | | ALPHA: (139) implies:
% 30.93/5.12  | | | | | |   (140)   ~ (all_91_1 = 0)
% 30.93/5.12  | | | | | |   (141)  on_path(all_20_8, all_20_6) = all_91_1
% 30.93/5.12  | | | | | | 
% 30.93/5.12  | | | | | | GROUND_INST: instantiating (12) with 0, all_91_1, all_20_6,
% 30.93/5.12  | | | | | |              all_20_8, simplifying with (50), (141) gives:
% 30.93/5.12  | | | | | |   (142)  all_91_1 = 0
% 30.93/5.12  | | | | | | 
% 30.93/5.12  | | | | | | REDUCE: (140), (142) imply:
% 30.93/5.12  | | | | | |   (143)  $false
% 30.93/5.12  | | | | | | 
% 30.93/5.12  | | | | | | CLOSE: (143) is inconsistent.
% 30.93/5.12  | | | | | | 
% 30.93/5.13  | | | | | Case 2:
% 30.93/5.13  | | | | | | 
% 30.93/5.13  | | | | | |   (144)   ~ (all_91_2 = 0) & on_path(all_20_7, all_20_6) = all_91_2
% 30.93/5.13  | | | | | | 
% 30.93/5.13  | | | | | | ALPHA: (144) implies:
% 30.93/5.13  | | | | | |   (145)   ~ (all_91_2 = 0)
% 30.93/5.13  | | | | | |   (146)  on_path(all_20_7, all_20_6) = all_91_2
% 30.93/5.13  | | | | | | 
% 30.93/5.13  | | | | | | GROUND_INST: instantiating (12) with 0, all_91_2, all_20_6,
% 30.93/5.13  | | | | | |              all_20_7, simplifying with (51), (146) gives:
% 30.93/5.13  | | | | | |   (147)  all_91_2 = 0
% 30.93/5.13  | | | | | | 
% 30.93/5.13  | | | | | | REDUCE: (145), (147) imply:
% 30.93/5.13  | | | | | |   (148)  $false
% 30.93/5.13  | | | | | | 
% 30.93/5.13  | | | | | | CLOSE: (148) is inconsistent.
% 30.93/5.13  | | | | | | 
% 30.93/5.13  | | | | | End of split
% 30.93/5.13  | | | | | 
% 30.93/5.13  | | | | End of split
% 30.93/5.13  | | | | 
% 30.93/5.13  | | | End of split
% 30.93/5.13  | | | 
% 30.93/5.13  | | End of split
% 30.93/5.13  | | 
% 30.93/5.13  | End of split
% 30.93/5.13  | 
% 30.93/5.13  End of proof
% 30.93/5.13  % SZS output end Proof for theBenchmark
% 30.93/5.13  
% 30.93/5.13  4435ms
%------------------------------------------------------------------------------