TSTP Solution File: SWC355+1 by Princess---230619

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Princess---230619
% Problem  : SWC355+1 : TPTP v8.1.2. Released v2.4.0.
% Transfm  : none
% Format   : tptp
% Command  : princess -inputFormat=tptp +threads -portfolio=casc +printProof -timeoutSec=%d %s

% Computer : n020.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 20:51:00 EDT 2023

% Result   : Theorem 118.68s 16.06s
% Output   : Proof 125.35s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12  % Problem  : SWC355+1 : TPTP v8.1.2. Released v2.4.0.
% 0.07/0.13  % Command  : princess -inputFormat=tptp +threads -portfolio=casc +printProof -timeoutSec=%d %s
% 0.13/0.34  % Computer : n020.cluster.edu
% 0.13/0.34  % Model    : x86_64 x86_64
% 0.13/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.34  % Memory   : 8042.1875MB
% 0.13/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.34  % CPULimit : 300
% 0.13/0.34  % WCLimit  : 300
% 0.13/0.34  % DateTime : Mon Aug 28 16:11:44 EDT 2023
% 0.13/0.34  % CPUTime  : 
% 0.20/0.61  ________       _____
% 0.20/0.61  ___  __ \_________(_)________________________________
% 0.20/0.61  __  /_/ /_  ___/_  /__  __ \  ___/  _ \_  ___/_  ___/
% 0.20/0.61  _  ____/_  /   _  / _  / / / /__ /  __/(__  )_(__  )
% 0.20/0.61  /_/     /_/    /_/  /_/ /_/\___/ \___//____/ /____/
% 0.20/0.61  
% 0.20/0.61  A Theorem Prover for First-Order Logic modulo Linear Integer Arithmetic
% 0.20/0.61  (2023-06-19)
% 0.20/0.61  
% 0.20/0.61  (c) Philipp Rümmer, 2009-2023
% 0.20/0.61  Contributors: Peter Backeman, Peter Baumgartner, Angelo Brillout, Zafer Esen,
% 0.20/0.61                Amanda Stjerna.
% 0.20/0.61  Free software under BSD-3-Clause.
% 0.20/0.61  
% 0.20/0.61  For more information, visit http://www.philipp.ruemmer.org/princess.shtml
% 0.20/0.61  
% 0.20/0.61  Loading /export/starexec/sandbox2/benchmark/theBenchmark.p ...
% 0.53/0.62  Running up to 7 provers in parallel.
% 0.53/0.64  Prover 1: Options:  +triggersInConjecture -genTotalityAxioms -tightFunctionScopes -clausifier=none -reverseFunctionalityPropagation -boolFunsAsPreds -triggerStrategy=maximal -realRatSaturationRounds=0 +ignoreQuantifiers -constructProofs=always -generateTriggers=all -randomSeed=-1571432423
% 0.53/0.64  Prover 0: Options:  +triggersInConjecture +genTotalityAxioms +tightFunctionScopes -clausifier=simple -reverseFunctionalityPropagation -boolFunsAsPreds -triggerStrategy=allUni -realRatSaturationRounds=0 -ignoreQuantifiers -constructProofs=never -generateTriggers=all -randomSeed=1042961893
% 0.53/0.64  Prover 2: Options:  +triggersInConjecture +genTotalityAxioms -tightFunctionScopes -clausifier=simple +reverseFunctionalityPropagation +boolFunsAsPreds -triggerStrategy=allMinimalAndEmpty -realRatSaturationRounds=1 -ignoreQuantifiers -constructProofs=never -generateTriggers=all -randomSeed=-1065072994
% 0.53/0.64  Prover 3: Options:  +triggersInConjecture -genTotalityAxioms -tightFunctionScopes -clausifier=none -reverseFunctionalityPropagation -boolFunsAsPreds -triggerStrategy=maximal -realRatSaturationRounds=1 +ignoreQuantifiers -constructProofs=never -generateTriggers=all -randomSeed=1922548996
% 0.53/0.64  Prover 4: Options:  +triggersInConjecture -genTotalityAxioms -tightFunctionScopes -clausifier=simple -reverseFunctionalityPropagation -boolFunsAsPreds -triggerStrategy=allUni -realRatSaturationRounds=0 +ignoreQuantifiers -constructProofs=always -generateTriggers=all -randomSeed=1868514696
% 0.53/0.64  Prover 5: Options:  +triggersInConjecture -genTotalityAxioms +tightFunctionScopes -clausifier=none +reverseFunctionalityPropagation +boolFunsAsPreds -triggerStrategy=allMaximal -realRatSaturationRounds=1 -ignoreQuantifiers -constructProofs=never -generateTriggers=complete -randomSeed=1259561288
% 0.53/0.64  Prover 6: Options:  -triggersInConjecture -genTotalityAxioms +tightFunctionScopes -clausifier=none +reverseFunctionalityPropagation -boolFunsAsPreds -triggerStrategy=maximalOutermost -realRatSaturationRounds=0 -ignoreQuantifiers -constructProofs=never -generateTriggers=all -randomSeed=-1399714365
% 5.14/1.38  Prover 1: Preprocessing ...
% 5.14/1.40  Prover 4: Preprocessing ...
% 5.43/1.42  Prover 6: Preprocessing ...
% 5.43/1.42  Prover 5: Preprocessing ...
% 5.43/1.42  Prover 0: Preprocessing ...
% 5.43/1.42  Prover 3: Preprocessing ...
% 5.43/1.42  Prover 2: Preprocessing ...
% 15.47/2.77  Prover 2: Proving ...
% 15.47/2.78  Prover 5: Constructing countermodel ...
% 16.28/2.86  Prover 1: Constructing countermodel ...
% 16.28/2.86  Prover 6: Proving ...
% 16.28/2.88  Prover 3: Constructing countermodel ...
% 22.79/3.74  Prover 4: Constructing countermodel ...
% 24.67/3.98  Prover 0: Proving ...
% 73.97/10.34  Prover 2: stopped
% 73.97/10.35  Prover 7: Options:  +triggersInConjecture -genTotalityAxioms +tightFunctionScopes -clausifier=simple +reverseFunctionalityPropagation +boolFunsAsPreds -triggerStrategy=allUni -realRatSaturationRounds=1 +ignoreQuantifiers -constructProofs=always -generateTriggers=all -randomSeed=-236303470
% 75.21/10.50  Prover 7: Preprocessing ...
% 77.03/10.70  Prover 7: Constructing countermodel ...
% 97.37/13.34  Prover 3: gave up
% 97.37/13.34  Prover 8: Options:  +triggersInConjecture +genTotalityAxioms -tightFunctionScopes -clausifier=none -reverseFunctionalityPropagation -boolFunsAsPreds -triggerStrategy=maximal -realRatSaturationRounds=0 +ignoreQuantifiers -constructProofs=always -generateTriggers=all -randomSeed=-200781089
% 97.78/13.44  Prover 8: Preprocessing ...
% 100.12/13.66  Prover 8: Warning: ignoring some quantifiers
% 100.12/13.67  Prover 8: Constructing countermodel ...
% 102.44/13.96  Prover 5: stopped
% 102.44/13.99  Prover 9: Options:  +triggersInConjecture -genTotalityAxioms -tightFunctionScopes -clausifier=none -reverseFunctionalityPropagation -boolFunsAsPreds -triggerStrategy=allMinimal -realRatSaturationRounds=1 +ignoreQuantifiers -constructProofs=never -generateTriggers=all -randomSeed=1423531889
% 103.18/14.11  Prover 9: Preprocessing ...
% 108.59/14.75  Prover 9: Constructing countermodel ...
% 117.81/15.97  Prover 1: stopped
% 117.81/15.97  Prover 10: Options:  +triggersInConjecture -genTotalityAxioms +tightFunctionScopes -clausifier=simple -reverseFunctionalityPropagation +boolFunsAsPreds -triggerStrategy=maximal -realRatSaturationRounds=1 +ignoreQuantifiers -constructProofs=always -generateTriggers=all -randomSeed=919308125
% 118.68/16.06  Prover 9: proved (2076ms)
% 118.68/16.06  
% 118.68/16.06  % SZS status Theorem for /export/starexec/sandbox2/benchmark/theBenchmark.p
% 118.68/16.06  
% 118.68/16.07  Prover 11: Options:  +triggersInConjecture -genTotalityAxioms +tightFunctionScopes -clausifier=simple -reverseFunctionalityPropagation -boolFunsAsPreds -triggerStrategy=allUni -realRatSaturationRounds=1 +ignoreQuantifiers -constructProofs=always -generateTriggers=all -randomSeed=-1509710984
% 118.68/16.07  Prover 6: stopped
% 118.68/16.08  Prover 0: stopped
% 118.68/16.10  Prover 13: Options:  +triggersInConjecture -genTotalityAxioms -tightFunctionScopes -clausifier=simple -reverseFunctionalityPropagation +boolFunsAsPreds -triggerStrategy=maximal -realRatSaturationRounds=0 +ignoreQuantifiers -constructProofs=always -generateTriggers=complete -randomSeed=1138197443
% 119.04/16.10  Prover 10: Preprocessing ...
% 119.04/16.10  Prover 16: Options:  +triggersInConjecture -genTotalityAxioms +tightFunctionScopes -clausifier=simple +reverseFunctionalityPropagation +boolFunsAsPreds -triggerStrategy=maximal -realRatSaturationRounds=1 +ignoreQuantifiers -constructProofs=always -generateTriggers=completeFrugal -randomSeed=-2043353683
% 119.04/16.19  Prover 11: Preprocessing ...
% 119.50/16.20  Prover 13: Preprocessing ...
% 119.50/16.20  Prover 16: Preprocessing ...
% 119.50/16.22  Prover 10: Constructing countermodel ...
% 120.52/16.32  Prover 16: Constructing countermodel ...
% 120.95/16.37  Prover 13: Constructing countermodel ...
% 124.18/16.83  Prover 11: Constructing countermodel ...
% 124.18/16.86  Prover 10: Found proof (size 50)
% 124.18/16.86  Prover 10: proved (891ms)
% 124.18/16.86  Prover 16: stopped
% 124.18/16.86  Prover 8: stopped
% 124.18/16.87  Prover 7: stopped
% 124.18/16.87  Prover 13: stopped
% 124.18/16.87  Prover 11: stopped
% 124.18/16.90  Prover 4: stopped
% 124.18/16.90  
% 124.18/16.90  % SZS status Theorem for /export/starexec/sandbox2/benchmark/theBenchmark.p
% 124.18/16.90  
% 125.12/16.90  % SZS output start Proof for theBenchmark
% 125.12/16.91  Assumptions after simplification:
% 125.12/16.91  ---------------------------------
% 125.12/16.91  
% 125.12/16.91    (ax1)
% 125.12/16.91     ! [v0: $i] :  ! [v1: $i] : (v1 = v0 |  ~ $i(v1) |  ~ $i(v0) |  ~ ssItem(v1) |
% 125.12/16.91       ~ ssItem(v0) | neq(v0, v1)) &  ! [v0: $i] : ( ~ $i(v0) |  ~ neq(v0, v0) | 
% 125.12/16.91      ~ ssItem(v0))
% 125.12/16.91  
% 125.12/16.91    (ax16)
% 125.12/16.93     ! [v0: $i] :  ! [v1: $i] :  ! [v2: $i] : ( ~ (cons(v1, v0) = v2) |  ~ $i(v1)
% 125.12/16.93      |  ~ $i(v0) |  ~ ssList(v0) |  ~ ssItem(v1) | ssList(v2))
% 125.12/16.93  
% 125.12/16.93    (ax17)
% 125.12/16.93    $i(nil) & ssList(nil)
% 125.12/16.93  
% 125.12/16.93    (ax2)
% 125.12/16.94     ? [v0: $i] :  ? [v1: $i] : ( ~ (v1 = v0) & $i(v1) & $i(v0) & ssItem(v1) &
% 125.12/16.94      ssItem(v0))
% 125.12/16.94  
% 125.12/16.94    (ax23)
% 125.12/16.94     ! [v0: $i] :  ! [v1: $i] :  ! [v2: $i] : ( ~ (cons(v1, v0) = v2) |  ~ $i(v1)
% 125.12/16.94      |  ~ $i(v0) |  ~ ssList(v0) |  ~ ssItem(v1) | hd(v2) = v1)
% 125.12/16.94  
% 125.12/16.94    (ax25)
% 125.12/16.94     ! [v0: $i] :  ! [v1: $i] :  ! [v2: $i] : ( ~ (cons(v1, v0) = v2) |  ~ $i(v1)
% 125.12/16.94      |  ~ $i(v0) |  ~ ssList(v0) |  ~ ssItem(v1) | tl(v2) = v0)
% 125.12/16.94  
% 125.12/16.94    (ax44)
% 125.12/16.94     ! [v0: $i] :  ! [v1: $i] :  ! [v2: $i] :  ! [v3: $i] :  ! [v4: $i] :  ! [v5:
% 125.12/16.94      $i] : (v1 = v0 |  ~ (cons(v1, v4) = v5) |  ~ (cons(v0, v2) = v3) |  ~ $i(v4)
% 125.12/16.94      |  ~ $i(v2) |  ~ $i(v1) |  ~ $i(v0) |  ~ frontsegP(v3, v5) |  ~ ssList(v4) |
% 125.12/16.94       ~ ssList(v2) |  ~ ssItem(v1) |  ~ ssItem(v0)) &  ! [v0: $i] :  ! [v1: $i] :
% 125.12/16.94     ! [v2: $i] :  ! [v3: $i] :  ! [v4: $i] :  ! [v5: $i] : ( ~ (cons(v1, v4) =
% 125.12/16.94        v5) |  ~ (cons(v0, v2) = v3) |  ~ $i(v4) |  ~ $i(v2) |  ~ $i(v1) |  ~
% 125.12/16.94      $i(v0) |  ~ frontsegP(v3, v5) |  ~ ssList(v4) |  ~ ssList(v2) |  ~
% 125.12/16.94      ssItem(v1) |  ~ ssItem(v0) | frontsegP(v2, v4)) &  ! [v0: $i] :  ! [v1: $i]
% 125.12/16.94    :  ! [v2: $i] :  ! [v3: $i] :  ! [v4: $i] : ( ~ (cons(v0, v3) = v4) |  ~
% 125.12/16.94      (cons(v0, v1) = v2) |  ~ $i(v3) |  ~ $i(v1) |  ~ $i(v0) |  ~ frontsegP(v1,
% 125.12/16.94        v3) |  ~ ssList(v3) |  ~ ssList(v1) |  ~ ssItem(v0) | frontsegP(v2, v4))
% 125.12/16.94  
% 125.12/16.94    (ax46)
% 125.12/16.94    $i(nil) &  ! [v0: $i] : (v0 = nil |  ~ $i(v0) |  ~ frontsegP(nil, v0) |  ~
% 125.12/16.94      ssList(v0)) & ( ~ ssList(nil) | frontsegP(nil, nil))
% 125.12/16.94  
% 125.12/16.94    (ax49)
% 125.12/16.94     ! [v0: $i] : ( ~ $i(v0) |  ~ ssList(v0) | rearsegP(v0, v0))
% 125.12/16.94  
% 125.12/16.94    (ax5)
% 125.12/16.95     ! [v0: $i] :  ! [v1: $i] :  ! [v2: $i] : ( ~ (app(v1, v2) = v0) |  ~ $i(v2) |
% 125.12/16.95       ~ $i(v1) |  ~ $i(v0) |  ~ ssList(v2) |  ~ ssList(v1) |  ~ ssList(v0) |
% 125.12/16.95      frontsegP(v0, v1)) &  ! [v0: $i] :  ! [v1: $i] : ( ~ $i(v1) |  ~ $i(v0) |  ~
% 125.12/16.95      frontsegP(v0, v1) |  ~ ssList(v1) |  ~ ssList(v0) |  ? [v2: $i] : (app(v1,
% 125.12/16.95          v2) = v0 & $i(v2) & ssList(v2)))
% 125.12/16.95  
% 125.12/16.95    (ax58)
% 125.12/16.95    $i(nil) &  ! [v0: $i] : (v0 = nil |  ~ $i(v0) |  ~ segmentP(nil, v0) |  ~
% 125.12/16.95      ssList(v0)) & ( ~ ssList(nil) | segmentP(nil, nil))
% 125.12/16.95  
% 125.12/16.95    (ax6)
% 125.12/16.95     ! [v0: $i] :  ! [v1: $i] :  ! [v2: $i] : ( ~ (app(v2, v1) = v0) |  ~ $i(v2) |
% 125.12/16.95       ~ $i(v1) |  ~ $i(v0) |  ~ ssList(v2) |  ~ ssList(v1) |  ~ ssList(v0) |
% 125.12/16.95      rearsegP(v0, v1)) &  ! [v0: $i] :  ! [v1: $i] : ( ~ $i(v1) |  ~ $i(v0) |  ~
% 125.12/16.95      rearsegP(v0, v1) |  ~ ssList(v1) |  ~ ssList(v0) |  ? [v2: $i] : (app(v2,
% 125.12/16.95          v1) = v0 & $i(v2) & ssList(v2)))
% 125.12/16.95  
% 125.12/16.95    (ax7)
% 125.12/16.95     ! [v0: $i] :  ! [v1: $i] :  ! [v2: $i] :  ! [v3: $i] :  ! [v4: $i] : ( ~
% 125.12/16.95      (app(v3, v4) = v0) |  ~ (app(v2, v1) = v3) |  ~ $i(v4) |  ~ $i(v2) |  ~
% 125.12/16.95      $i(v1) |  ~ $i(v0) |  ~ ssList(v4) |  ~ ssList(v2) |  ~ ssList(v1) |  ~
% 125.12/16.95      ssList(v0) | segmentP(v0, v1)) &  ! [v0: $i] :  ! [v1: $i] : ( ~ $i(v1) |  ~
% 125.12/16.95      $i(v0) |  ~ segmentP(v0, v1) |  ~ ssList(v1) |  ~ ssList(v0) |  ? [v2: $i] :
% 125.12/16.95       ? [v3: $i] :  ? [v4: $i] : (app(v3, v4) = v0 & app(v2, v1) = v3 & $i(v4) &
% 125.12/16.95        $i(v3) & $i(v2) & ssList(v4) & ssList(v2)))
% 125.12/16.95  
% 125.12/16.95    (ax77)
% 125.12/16.95    $i(nil) &  ! [v0: $i] :  ! [v1: $i] : ( ~ (tl(v0) = v1) |  ~ $i(v0) |  ~
% 125.12/16.95      ssList(v0) |  ? [v2: $i] : (hd(v0) = v2 & $i(v2) &  ! [v3: $i] : (v3 = v0 |
% 125.12/16.95          v3 = nil | v0 = nil |  ~ (tl(v3) = v1) |  ~ $i(v3) |  ~ ssList(v3) |  ?
% 125.12/16.95          [v4: $i] : ( ~ (v4 = v2) & hd(v3) = v4 & $i(v4)))))
% 125.12/16.95  
% 125.12/16.95    (ax81)
% 125.12/16.95    $i(nil) &  ! [v0: $i] :  ! [v1: $i] :  ! [v2: $i] :  ! [v3: $i] : ( ~
% 125.12/16.95      (cons(v1, nil) = v2) |  ~ (app(v2, v0) = v3) |  ~ $i(v1) |  ~ $i(v0) |  ~
% 125.12/16.95      ssList(v0) |  ~ ssItem(v1) | (cons(v1, v0) = v3 & $i(v3)))
% 125.12/16.95  
% 125.12/16.95    (co1)
% 125.35/16.95    $i(nil) &  ? [v0: $i] :  ? [v1: $i] :  ? [v2: $i] :  ? [v3: $i] : (cons(v2,
% 125.35/16.95        nil) = v3 & app(v0, v3) = v1 & $i(v3) & $i(v2) & $i(v1) & $i(v0) &
% 125.35/16.95      ssList(v1) & ssList(v0) & neq(v1, nil) & ssItem(v2) &  ~ segmentP(v1, v0))
% 125.35/16.95  
% 125.35/16.95    (function-axioms)
% 125.35/16.96     ! [v0: $i] :  ! [v1: $i] :  ! [v2: $i] :  ! [v3: $i] : (v1 = v0 |  ~
% 125.35/16.96      (cons(v3, v2) = v1) |  ~ (cons(v3, v2) = v0)) &  ! [v0: $i] :  ! [v1: $i] : 
% 125.35/16.96    ! [v2: $i] :  ! [v3: $i] : (v1 = v0 |  ~ (app(v3, v2) = v1) |  ~ (app(v3, v2)
% 125.35/16.96        = v0)) &  ! [v0: $i] :  ! [v1: $i] :  ! [v2: $i] : (v1 = v0 |  ~ (tl(v2) =
% 125.35/16.96        v1) |  ~ (tl(v2) = v0)) &  ! [v0: $i] :  ! [v1: $i] :  ! [v2: $i] : (v1 =
% 125.35/16.96      v0 |  ~ (hd(v2) = v1) |  ~ (hd(v2) = v0))
% 125.35/16.96  
% 125.35/16.96  Further assumptions not needed in the proof:
% 125.35/16.96  --------------------------------------------
% 125.35/16.96  ax10, ax11, ax12, ax13, ax14, ax15, ax18, ax19, ax20, ax21, ax22, ax24, ax26,
% 125.35/16.96  ax27, ax28, ax29, ax3, ax30, ax31, ax32, ax33, ax34, ax35, ax36, ax37, ax38,
% 125.35/16.96  ax39, ax4, ax40, ax41, ax42, ax43, ax45, ax47, ax48, ax50, ax51, ax52, ax53,
% 125.35/16.96  ax54, ax55, ax56, ax57, ax59, ax60, ax61, ax62, ax63, ax64, ax65, ax66, ax67,
% 125.35/16.96  ax68, ax69, ax70, ax71, ax72, ax73, ax74, ax75, ax76, ax78, ax79, ax8, ax80,
% 125.35/16.96  ax82, ax83, ax84, ax85, ax86, ax87, ax88, ax89, ax9, ax90, ax91, ax92, ax93,
% 125.35/16.96  ax94, ax95
% 125.35/16.96  
% 125.35/16.96  Those formulas are unsatisfiable:
% 125.35/16.96  ---------------------------------
% 125.35/16.96  
% 125.35/16.96  Begin of proof
% 125.35/16.96  | 
% 125.35/16.96  | ALPHA: (ax1) implies:
% 125.35/16.96  |   (1)   ! [v0: $i] :  ! [v1: $i] : (v1 = v0 |  ~ $i(v1) |  ~ $i(v0) |  ~
% 125.35/16.96  |          ssItem(v1) |  ~ ssItem(v0) | neq(v0, v1))
% 125.35/16.96  | 
% 125.35/16.96  | ALPHA: (ax5) implies:
% 125.35/16.96  |   (2)   ! [v0: $i] :  ! [v1: $i] : ( ~ $i(v1) |  ~ $i(v0) |  ~ frontsegP(v0,
% 125.35/16.96  |            v1) |  ~ ssList(v1) |  ~ ssList(v0) |  ? [v2: $i] : (app(v1, v2) =
% 125.35/16.96  |            v0 & $i(v2) & ssList(v2)))
% 125.35/16.96  | 
% 125.35/16.96  | ALPHA: (ax6) implies:
% 125.35/16.96  |   (3)   ! [v0: $i] :  ! [v1: $i] : ( ~ $i(v1) |  ~ $i(v0) |  ~ rearsegP(v0,
% 125.35/16.96  |            v1) |  ~ ssList(v1) |  ~ ssList(v0) |  ? [v2: $i] : (app(v2, v1) =
% 125.35/16.96  |            v0 & $i(v2) & ssList(v2)))
% 125.35/16.96  | 
% 125.35/16.96  | ALPHA: (ax7) implies:
% 125.35/16.96  |   (4)   ! [v0: $i] :  ! [v1: $i] :  ! [v2: $i] :  ! [v3: $i] :  ! [v4: $i] : (
% 125.35/16.96  |          ~ (app(v3, v4) = v0) |  ~ (app(v2, v1) = v3) |  ~ $i(v4) |  ~ $i(v2)
% 125.35/16.96  |          |  ~ $i(v1) |  ~ $i(v0) |  ~ ssList(v4) |  ~ ssList(v2) |  ~
% 125.35/16.96  |          ssList(v1) |  ~ ssList(v0) | segmentP(v0, v1))
% 125.35/16.96  | 
% 125.35/16.96  | ALPHA: (ax17) implies:
% 125.35/16.96  |   (5)  ssList(nil)
% 125.35/16.96  | 
% 125.35/16.96  | ALPHA: (ax44) implies:
% 125.35/16.96  |   (6)   ! [v0: $i] :  ! [v1: $i] :  ! [v2: $i] :  ! [v3: $i] :  ! [v4: $i] : (
% 125.35/16.96  |          ~ (cons(v0, v3) = v4) |  ~ (cons(v0, v1) = v2) |  ~ $i(v3) |  ~
% 125.35/16.96  |          $i(v1) |  ~ $i(v0) |  ~ frontsegP(v1, v3) |  ~ ssList(v3) |  ~
% 125.35/16.96  |          ssList(v1) |  ~ ssItem(v0) | frontsegP(v2, v4))
% 125.35/16.96  | 
% 125.35/16.96  | ALPHA: (ax46) implies:
% 125.35/16.96  |   (7)   ~ ssList(nil) | frontsegP(nil, nil)
% 125.35/16.96  | 
% 125.35/16.96  | ALPHA: (ax58) implies:
% 125.35/16.96  |   (8)   ~ ssList(nil) | segmentP(nil, nil)
% 125.35/16.96  | 
% 125.35/16.96  | ALPHA: (ax77) implies:
% 125.35/16.96  |   (9)   ! [v0: $i] :  ! [v1: $i] : ( ~ (tl(v0) = v1) |  ~ $i(v0) |  ~
% 125.35/16.96  |          ssList(v0) |  ? [v2: $i] : (hd(v0) = v2 & $i(v2) &  ! [v3: $i] : (v3
% 125.35/16.96  |              = v0 | v3 = nil | v0 = nil |  ~ (tl(v3) = v1) |  ~ $i(v3) |  ~
% 125.35/16.96  |              ssList(v3) |  ? [v4: $i] : ( ~ (v4 = v2) & hd(v3) = v4 &
% 125.35/16.96  |                $i(v4)))))
% 125.35/16.96  | 
% 125.35/16.96  | ALPHA: (ax81) implies:
% 125.35/16.96  |   (10)   ! [v0: $i] :  ! [v1: $i] :  ! [v2: $i] :  ! [v3: $i] : ( ~ (cons(v1,
% 125.35/16.96  |               nil) = v2) |  ~ (app(v2, v0) = v3) |  ~ $i(v1) |  ~ $i(v0) |  ~
% 125.35/16.96  |           ssList(v0) |  ~ ssItem(v1) | (cons(v1, v0) = v3 & $i(v3)))
% 125.35/16.96  | 
% 125.35/16.96  | ALPHA: (co1) implies:
% 125.35/16.97  |   (11)  $i(nil)
% 125.35/16.97  |   (12)   ? [v0: $i] :  ? [v1: $i] :  ? [v2: $i] :  ? [v3: $i] : (cons(v2, nil)
% 125.35/16.97  |           = v3 & app(v0, v3) = v1 & $i(v3) & $i(v2) & $i(v1) & $i(v0) &
% 125.35/16.97  |           ssList(v1) & ssList(v0) & neq(v1, nil) & ssItem(v2) &  ~
% 125.35/16.97  |           segmentP(v1, v0))
% 125.35/16.97  | 
% 125.35/16.97  | ALPHA: (function-axioms) implies:
% 125.35/16.97  |   (13)   ! [v0: $i] :  ! [v1: $i] :  ! [v2: $i] : (v1 = v0 |  ~ (hd(v2) = v1)
% 125.35/16.97  |           |  ~ (hd(v2) = v0))
% 125.35/16.97  | 
% 125.35/16.97  | DELTA: instantiating (ax2) with fresh symbols all_89_0, all_89_1 gives:
% 125.35/16.97  |   (14)   ~ (all_89_0 = all_89_1) & $i(all_89_0) & $i(all_89_1) &
% 125.35/16.97  |         ssItem(all_89_0) & ssItem(all_89_1)
% 125.35/16.97  | 
% 125.35/16.97  | ALPHA: (14) implies:
% 125.35/16.97  |   (15)   ~ (all_89_0 = all_89_1)
% 125.35/16.97  |   (16)  ssItem(all_89_1)
% 125.35/16.97  |   (17)  ssItem(all_89_0)
% 125.35/16.97  |   (18)  $i(all_89_1)
% 125.35/16.97  |   (19)  $i(all_89_0)
% 125.35/16.97  | 
% 125.35/16.97  | DELTA: instantiating (12) with fresh symbols all_91_0, all_91_1, all_91_2,
% 125.35/16.97  |        all_91_3 gives:
% 125.35/16.97  |   (20)  cons(all_91_1, nil) = all_91_0 & app(all_91_3, all_91_0) = all_91_2 &
% 125.35/16.97  |         $i(all_91_0) & $i(all_91_1) & $i(all_91_2) & $i(all_91_3) &
% 125.35/16.97  |         ssList(all_91_2) & ssList(all_91_3) & neq(all_91_2, nil) &
% 125.35/16.97  |         ssItem(all_91_1) &  ~ segmentP(all_91_2, all_91_3)
% 125.35/16.97  | 
% 125.35/16.97  | ALPHA: (20) implies:
% 125.35/16.97  |   (21)   ~ segmentP(all_91_2, all_91_3)
% 125.35/16.97  |   (22)  ssItem(all_91_1)
% 125.35/16.97  |   (23)  ssList(all_91_3)
% 125.35/16.97  |   (24)  ssList(all_91_2)
% 125.35/16.97  |   (25)  $i(all_91_3)
% 125.35/16.97  |   (26)  $i(all_91_2)
% 125.35/16.97  |   (27)  $i(all_91_1)
% 125.35/16.97  |   (28)  $i(all_91_0)
% 125.35/16.97  |   (29)  app(all_91_3, all_91_0) = all_91_2
% 125.35/16.97  |   (30)  cons(all_91_1, nil) = all_91_0
% 125.35/16.97  | 
% 125.35/16.97  | BETA: splitting (7) gives:
% 125.35/16.97  | 
% 125.35/16.97  | Case 1:
% 125.35/16.97  | | 
% 125.35/16.97  | |   (31)   ~ ssList(nil)
% 125.35/16.97  | | 
% 125.35/16.97  | | PRED_UNIFY: (5), (31) imply:
% 125.35/16.97  | |   (32)  $false
% 125.35/16.97  | | 
% 125.35/16.97  | | CLOSE: (32) is inconsistent.
% 125.35/16.97  | | 
% 125.35/16.97  | Case 2:
% 125.35/16.97  | | 
% 125.35/16.97  | |   (33)  frontsegP(nil, nil)
% 125.35/16.97  | | 
% 125.35/16.97  | | BETA: splitting (8) gives:
% 125.35/16.97  | | 
% 125.35/16.97  | | Case 1:
% 125.35/16.97  | | | 
% 125.35/16.97  | | |   (34)   ~ ssList(nil)
% 125.35/16.97  | | | 
% 125.35/16.97  | | | PRED_UNIFY: (5), (34) imply:
% 125.35/16.97  | | |   (35)  $false
% 125.35/16.97  | | | 
% 125.35/16.97  | | | CLOSE: (35) is inconsistent.
% 125.35/16.97  | | | 
% 125.35/16.97  | | Case 2:
% 125.35/16.97  | | | 
% 125.35/16.97  | | | 
% 125.35/16.97  | | | GROUND_INST: instantiating (1) with all_89_1, all_89_0, simplifying with
% 125.35/16.97  | | |              (16), (17), (18), (19) gives:
% 125.35/16.97  | | |   (36)  all_89_0 = all_89_1 | neq(all_89_1, all_89_0)
% 125.35/16.97  | | | 
% 125.35/16.97  | | | GROUND_INST: instantiating (ax49) with all_91_3, simplifying with (23),
% 125.35/16.97  | | |              (25) gives:
% 125.35/16.97  | | |   (37)  rearsegP(all_91_3, all_91_3)
% 125.35/16.97  | | | 
% 125.35/16.98  | | | GROUND_INST: instantiating (6) with all_91_1, nil, all_91_0, nil,
% 125.35/16.98  | | |              all_91_0, simplifying with (5), (11), (22), (27), (30), (33)
% 125.35/16.98  | | |              gives:
% 125.35/16.98  | | |   (38)  frontsegP(all_91_0, all_91_0)
% 125.35/16.98  | | | 
% 125.35/16.98  | | | GROUND_INST: instantiating (ax25) with nil, all_91_1, all_91_0,
% 125.35/16.98  | | |              simplifying with (5), (11), (22), (27), (30) gives:
% 125.35/16.98  | | |   (39)  tl(all_91_0) = nil
% 125.35/16.98  | | | 
% 125.35/16.98  | | | GROUND_INST: instantiating (ax23) with nil, all_91_1, all_91_0,
% 125.35/16.98  | | |              simplifying with (5), (11), (22), (27), (30) gives:
% 125.35/16.98  | | |   (40)  hd(all_91_0) = all_91_1
% 125.35/16.98  | | | 
% 125.35/16.98  | | | GROUND_INST: instantiating (ax16) with nil, all_91_1, all_91_0,
% 125.35/16.98  | | |              simplifying with (5), (11), (22), (27), (30) gives:
% 125.35/16.98  | | |   (41)  ssList(all_91_0)
% 125.35/16.98  | | | 
% 125.35/16.98  | | | BETA: splitting (36) gives:
% 125.35/16.98  | | | 
% 125.35/16.98  | | | Case 1:
% 125.35/16.98  | | | | 
% 125.35/16.98  | | | | 
% 125.35/16.98  | | | | GROUND_INST: instantiating (2) with all_91_0, all_91_0, simplifying with
% 125.35/16.98  | | | |              (28), (38), (41) gives:
% 125.35/16.98  | | | |   (42)   ? [v0: $i] : (app(all_91_0, v0) = all_91_0 & $i(v0) &
% 125.35/16.98  | | | |           ssList(v0))
% 125.35/16.98  | | | | 
% 125.35/16.98  | | | | GROUND_INST: instantiating (3) with all_91_3, all_91_3, simplifying with
% 125.35/16.98  | | | |              (23), (25), (37) gives:
% 125.35/16.98  | | | |   (43)   ? [v0: $i] : (app(v0, all_91_3) = all_91_3 & $i(v0) &
% 125.35/16.98  | | | |           ssList(v0))
% 125.35/16.98  | | | | 
% 125.35/16.98  | | | | GROUND_INST: instantiating (9) with all_91_0, nil, simplifying with
% 125.35/16.98  | | | |              (28), (39), (41) gives:
% 125.35/16.98  | | | |   (44)   ? [v0: $i] : (hd(all_91_0) = v0 & $i(v0) &  ! [v1: any] : (v1 =
% 125.35/16.98  | | | |             all_91_0 | v1 = nil | all_91_0 = nil |  ~ (tl(v1) = nil) | 
% 125.35/16.98  | | | |             ~ $i(v1) |  ~ ssList(v1) |  ? [v2: $i] : ( ~ (v2 = v0) &
% 125.35/16.98  | | | |               hd(v1) = v2 & $i(v2))))
% 125.35/16.98  | | | | 
% 125.35/16.98  | | | | DELTA: instantiating (43) with fresh symbol all_145_0 gives:
% 125.35/16.98  | | | |   (45)  app(all_145_0, all_91_3) = all_91_3 & $i(all_145_0) &
% 125.35/16.98  | | | |         ssList(all_145_0)
% 125.35/16.98  | | | | 
% 125.35/16.98  | | | | ALPHA: (45) implies:
% 125.35/16.98  | | | |   (46)  ssList(all_145_0)
% 125.35/16.98  | | | |   (47)  $i(all_145_0)
% 125.35/16.98  | | | |   (48)  app(all_145_0, all_91_3) = all_91_3
% 125.35/16.98  | | | | 
% 125.35/16.98  | | | | DELTA: instantiating (42) with fresh symbol all_149_0 gives:
% 125.35/16.98  | | | |   (49)  app(all_91_0, all_149_0) = all_91_0 & $i(all_149_0) &
% 125.35/16.98  | | | |         ssList(all_149_0)
% 125.35/16.98  | | | | 
% 125.35/16.98  | | | | ALPHA: (49) implies:
% 125.35/16.98  | | | |   (50)  ssList(all_149_0)
% 125.35/16.98  | | | |   (51)  $i(all_149_0)
% 125.35/16.98  | | | |   (52)  app(all_91_0, all_149_0) = all_91_0
% 125.35/16.98  | | | | 
% 125.35/16.98  | | | | DELTA: instantiating (44) with fresh symbol all_165_0 gives:
% 125.35/16.98  | | | |   (53)  hd(all_91_0) = all_165_0 & $i(all_165_0) &  ! [v0: any] : (v0 =
% 125.35/16.98  | | | |           all_91_0 | v0 = nil | all_91_0 = nil |  ~ (tl(v0) = nil) |  ~
% 125.35/16.98  | | | |           $i(v0) |  ~ ssList(v0) |  ? [v1: any] : ( ~ (v1 = all_165_0) &
% 125.35/16.98  | | | |             hd(v0) = v1 & $i(v1)))
% 125.35/16.98  | | | | 
% 125.35/16.98  | | | | ALPHA: (53) implies:
% 125.35/16.98  | | | |   (54)  $i(all_165_0)
% 125.35/16.98  | | | |   (55)  hd(all_91_0) = all_165_0
% 125.35/16.98  | | | | 
% 125.35/16.98  | | | | GROUND_INST: instantiating (13) with all_91_1, all_165_0, all_91_0,
% 125.35/16.98  | | | |              simplifying with (40), (55) gives:
% 125.35/16.98  | | | |   (56)  all_165_0 = all_91_1
% 125.35/16.98  | | | | 
% 125.35/16.98  | | | | GROUND_INST: instantiating (10) with all_149_0, all_91_1, all_91_0,
% 125.35/16.98  | | | |              all_91_0, simplifying with (22), (27), (30), (50), (51),
% 125.35/16.98  | | | |              (52) gives:
% 125.35/16.98  | | | |   (57)  cons(all_91_1, all_149_0) = all_91_0 & $i(all_91_0)
% 125.35/16.98  | | | | 
% 125.35/16.99  | | | | GROUND_INST: instantiating (4) with all_91_2, all_91_3, all_145_0,
% 125.35/16.99  | | | |              all_91_3, all_91_0, simplifying with (21), (23), (24),
% 125.35/16.99  | | | |              (25), (26), (28), (29), (41), (46), (47), (48) gives:
% 125.35/16.99  | | | |   (58)  $false
% 125.35/16.99  | | | | 
% 125.35/16.99  | | | | CLOSE: (58) is inconsistent.
% 125.35/16.99  | | | | 
% 125.35/16.99  | | | Case 2:
% 125.35/16.99  | | | | 
% 125.35/16.99  | | | |   (59)  all_89_0 = all_89_1
% 125.35/16.99  | | | | 
% 125.35/16.99  | | | | REDUCE: (15), (59) imply:
% 125.35/16.99  | | | |   (60)  $false
% 125.35/16.99  | | | | 
% 125.35/16.99  | | | | CLOSE: (60) is inconsistent.
% 125.35/16.99  | | | | 
% 125.35/16.99  | | | End of split
% 125.35/16.99  | | | 
% 125.35/16.99  | | End of split
% 125.35/16.99  | | 
% 125.35/16.99  | End of split
% 125.35/16.99  | 
% 125.35/16.99  End of proof
% 125.35/16.99  % SZS output end Proof for theBenchmark
% 125.35/16.99  
% 125.35/16.99  16376ms
%------------------------------------------------------------------------------