TSTP Solution File: DAT048_1 by Princess---230619

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Princess---230619
% Problem  : DAT048_1 : TPTP v8.1.2. Released v5.0.0.
% Transfm  : none
% Format   : tptp
% Command  : princess -inputFormat=tptp +threads -portfolio=casc +printProof -timeoutSec=%d %s

% Computer : n009.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 : Wed Aug 30 22:19:01 EDT 2023

% Result   : Theorem 8.69s 1.97s
% Output   : Proof 12.97s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.10/0.12  % Problem  : DAT048_1 : TPTP v8.1.2. Released v5.0.0.
% 0.10/0.13  % Command  : princess -inputFormat=tptp +threads -portfolio=casc +printProof -timeoutSec=%d %s
% 0.14/0.34  % Computer : n009.cluster.edu
% 0.14/0.34  % Model    : x86_64 x86_64
% 0.14/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.34  % Memory   : 8042.1875MB
% 0.14/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.14/0.34  % CPULimit : 300
% 0.14/0.34  % WCLimit  : 300
% 0.14/0.34  % DateTime : Thu Aug 24 14:09:06 EDT 2023
% 0.14/0.34  % CPUTime  : 
% 0.20/0.59  ________       _____
% 0.20/0.59  ___  __ \_________(_)________________________________
% 0.20/0.59  __  /_/ /_  ___/_  /__  __ \  ___/  _ \_  ___/_  ___/
% 0.20/0.59  _  ____/_  /   _  / _  / / / /__ /  __/(__  )_(__  )
% 0.20/0.59  /_/     /_/    /_/  /_/ /_/\___/ \___//____/ /____/
% 0.20/0.59  
% 0.20/0.59  A Theorem Prover for First-Order Logic modulo Linear Integer Arithmetic
% 0.20/0.59  (2023-06-19)
% 0.20/0.59  
% 0.20/0.59  (c) Philipp Rümmer, 2009-2023
% 0.20/0.59  Contributors: Peter Backeman, Peter Baumgartner, Angelo Brillout, Zafer Esen,
% 0.20/0.59                Amanda Stjerna.
% 0.20/0.59  Free software under BSD-3-Clause.
% 0.20/0.59  
% 0.20/0.59  For more information, visit http://www.philipp.ruemmer.org/princess.shtml
% 0.20/0.60  
% 0.20/0.60  Loading /export/starexec/sandbox/benchmark/theBenchmark.p ...
% 0.20/0.61  Running up to 7 provers in parallel.
% 0.20/0.62  Prover 0: Options:  +triggersInConjecture +genTotalityAxioms +tightFunctionScopes -clausifier=simple -reverseFunctionalityPropagation -boolFunsAsPreds -triggerStrategy=allUni -realRatSaturationRounds=0 -ignoreQuantifiers -constructProofs=never -generateTriggers=all -randomSeed=1042961893
% 0.20/0.62  Prover 1: Options:  +triggersInConjecture -genTotalityAxioms -tightFunctionScopes -clausifier=none -reverseFunctionalityPropagation -boolFunsAsPreds -triggerStrategy=maximal -realRatSaturationRounds=0 +ignoreQuantifiers -constructProofs=always -generateTriggers=all -randomSeed=-1571432423
% 0.20/0.62  Prover 2: Options:  +triggersInConjecture +genTotalityAxioms -tightFunctionScopes -clausifier=simple +reverseFunctionalityPropagation +boolFunsAsPreds -triggerStrategy=allMinimalAndEmpty -realRatSaturationRounds=1 -ignoreQuantifiers -constructProofs=never -generateTriggers=all -randomSeed=-1065072994
% 0.20/0.62  Prover 3: Options:  +triggersInConjecture -genTotalityAxioms -tightFunctionScopes -clausifier=none -reverseFunctionalityPropagation -boolFunsAsPreds -triggerStrategy=maximal -realRatSaturationRounds=1 +ignoreQuantifiers -constructProofs=never -generateTriggers=all -randomSeed=1922548996
% 0.20/0.62  Prover 4: Options:  +triggersInConjecture -genTotalityAxioms -tightFunctionScopes -clausifier=simple -reverseFunctionalityPropagation -boolFunsAsPreds -triggerStrategy=allUni -realRatSaturationRounds=0 +ignoreQuantifiers -constructProofs=always -generateTriggers=all -randomSeed=1868514696
% 0.20/0.62  Prover 6: Options:  -triggersInConjecture -genTotalityAxioms +tightFunctionScopes -clausifier=none +reverseFunctionalityPropagation -boolFunsAsPreds -triggerStrategy=maximalOutermost -realRatSaturationRounds=0 -ignoreQuantifiers -constructProofs=never -generateTriggers=all -randomSeed=-1399714365
% 0.20/0.62  Prover 5: Options:  +triggersInConjecture -genTotalityAxioms +tightFunctionScopes -clausifier=none +reverseFunctionalityPropagation +boolFunsAsPreds -triggerStrategy=allMaximal -realRatSaturationRounds=1 -ignoreQuantifiers -constructProofs=never -generateTriggers=complete -randomSeed=1259561288
% 2.85/1.08  Prover 1: Preprocessing ...
% 2.85/1.08  Prover 4: Preprocessing ...
% 2.85/1.12  Prover 3: Preprocessing ...
% 2.85/1.12  Prover 0: Preprocessing ...
% 2.85/1.14  Prover 5: Preprocessing ...
% 2.85/1.14  Prover 6: Preprocessing ...
% 2.85/1.14  Prover 2: Preprocessing ...
% 5.07/1.42  Prover 3: Constructing countermodel ...
% 5.07/1.43  Prover 5: Proving ...
% 5.07/1.44  Prover 1: Constructing countermodel ...
% 5.07/1.45  Prover 6: Constructing countermodel ...
% 5.07/1.47  Prover 4: Constructing countermodel ...
% 5.07/1.47  Prover 0: Proving ...
% 5.70/1.50  Prover 2: Proving ...
% 8.69/1.96  Prover 3: proved (1341ms)
% 8.69/1.97  
% 8.69/1.97  % SZS status Theorem for /export/starexec/sandbox/benchmark/theBenchmark.p
% 8.69/1.97  
% 8.69/1.97  Prover 6: stopped
% 8.69/1.97  Prover 0: stopped
% 9.02/1.97  Prover 2: stopped
% 9.02/1.98  Prover 7: Options:  +triggersInConjecture -genTotalityAxioms +tightFunctionScopes -clausifier=simple +reverseFunctionalityPropagation +boolFunsAsPreds -triggerStrategy=allUni -realRatSaturationRounds=1 +ignoreQuantifiers -constructProofs=always -generateTriggers=all -randomSeed=-236303470
% 9.02/1.98  Prover 8: Options:  +triggersInConjecture +genTotalityAxioms -tightFunctionScopes -clausifier=none -reverseFunctionalityPropagation -boolFunsAsPreds -triggerStrategy=maximal -realRatSaturationRounds=0 +ignoreQuantifiers -constructProofs=always -generateTriggers=all -randomSeed=-200781089
% 9.02/1.98  Prover 5: proved (1350ms)
% 9.02/1.98  
% 9.02/1.98  % SZS status Theorem for /export/starexec/sandbox/benchmark/theBenchmark.p
% 9.02/1.98  
% 9.02/1.99  Prover 10: Options:  +triggersInConjecture -genTotalityAxioms +tightFunctionScopes -clausifier=simple -reverseFunctionalityPropagation +boolFunsAsPreds -triggerStrategy=maximal -realRatSaturationRounds=1 +ignoreQuantifiers -constructProofs=always -generateTriggers=all -randomSeed=919308125
% 9.02/1.99  Prover 11: Options:  +triggersInConjecture -genTotalityAxioms +tightFunctionScopes -clausifier=simple -reverseFunctionalityPropagation -boolFunsAsPreds -triggerStrategy=allUni -realRatSaturationRounds=1 +ignoreQuantifiers -constructProofs=always -generateTriggers=all -randomSeed=-1509710984
% 9.02/1.99  Prover 13: Options:  +triggersInConjecture -genTotalityAxioms -tightFunctionScopes -clausifier=simple -reverseFunctionalityPropagation +boolFunsAsPreds -triggerStrategy=maximal -realRatSaturationRounds=0 +ignoreQuantifiers -constructProofs=always -generateTriggers=complete -randomSeed=1138197443
% 9.45/2.04  Prover 13: Preprocessing ...
% 9.45/2.05  Prover 8: Preprocessing ...
% 9.45/2.05  Prover 7: Preprocessing ...
% 9.45/2.05  Prover 10: Preprocessing ...
% 9.45/2.07  Prover 11: Preprocessing ...
% 10.28/2.12  Prover 10: Constructing countermodel ...
% 10.28/2.13  Prover 8: Warning: ignoring some quantifiers
% 10.28/2.13  Prover 7: Constructing countermodel ...
% 10.28/2.13  Prover 8: Constructing countermodel ...
% 10.28/2.14  Prover 13: Warning: ignoring some quantifiers
% 10.28/2.15  Prover 13: Constructing countermodel ...
% 11.06/2.21  Prover 11: Constructing countermodel ...
% 11.72/2.38  Prover 10: Found proof (size 88)
% 11.72/2.38  Prover 10: proved (410ms)
% 11.72/2.39  Prover 7: stopped
% 11.72/2.39  Prover 8: stopped
% 11.72/2.39  Prover 11: stopped
% 11.72/2.39  Prover 4: stopped
% 11.72/2.39  Prover 13: stopped
% 12.44/2.40  Prover 1: Found proof (size 275)
% 12.44/2.40  Prover 1: proved (1780ms)
% 12.44/2.40  
% 12.44/2.40  % SZS status Theorem for /export/starexec/sandbox/benchmark/theBenchmark.p
% 12.44/2.40  
% 12.44/2.41  % SZS output start Proof for theBenchmark
% 12.44/2.41  Assumptions after simplification:
% 12.44/2.41  ---------------------------------
% 12.44/2.41  
% 12.44/2.41    (ax1)
% 12.44/2.43    collection(empty) &  ! [v0: collection] :  ! [v1: int] : ( ~ ($lesseq(v1, -1))
% 12.44/2.43      |  ~ (count(v0) = v1) |  ~ collection(v0)) &  ! [v0: int] :  ~ in(v0, empty)
% 12.44/2.43  
% 12.44/2.43    (ax2)
% 12.44/2.43    collection(empty) &  ! [v0: int] :  ! [v1: collection] :  ! [v2: collection] :
% 12.44/2.43    ( ~ (add(v0, v1) = v2) |  ~ collection(v1) | in(v0, v2)) &  ! [v0: collection]
% 12.44/2.43    : (v0 = empty |  ~ (count(v0) = 0) |  ~ collection(v0)) &  ! [v0: int] : (v0 =
% 12.44/2.43      0 |  ~ (count(empty) = v0))
% 12.44/2.43  
% 12.44/2.43    (ax3)
% 12.44/2.43     ! [v0: int] :  ! [v1: collection] :  ! [v2: collection] : ( ~ (remove(v0, v1)
% 12.44/2.43        = v2) |  ~ collection(v1) |  ~ in(v0, v2)) &  ! [v0: int] :  ! [v1:
% 12.44/2.43      collection] :  ! [v2: collection] : ( ~ (add(v0, v1) = v2) |  ~
% 12.44/2.43      collection(v1) |  ~ in(v0, v1) |  ? [v3: int] :  ? [v4: int] : ( ~
% 12.44/2.43        ($difference(v4, v3) = -1) & count(v2) = v3 & count(v1) = v4)) &  ! [v0:
% 12.44/2.43      int] :  ! [v1: collection] :  ! [v2: collection] : ( ~ (add(v0, v1) = v2) | 
% 12.44/2.43      ~ collection(v1) | in(v0, v1) |  ? [v3: int] : (count(v2) = v3 & count(v1) =
% 12.44/2.43        $sum(v3, -1)))
% 12.44/2.43  
% 12.44/2.43    (ax4)
% 12.44/2.44     ! [v0: int] :  ! [v1: collection] :  ! [v2: int] :  ! [v3: collection] : (v2
% 12.44/2.44      = v0 |  ~ (add(v2, v1) = v3) |  ~ collection(v1) |  ~ in(v0, v3) | in(v0,
% 12.44/2.44        v1)) &  ! [v0: int] :  ! [v1: collection] :  ! [v2: int] :  ! [v3:
% 12.44/2.44      collection] : ( ~ (add(v2, v1) = v3) |  ~ collection(v1) |  ~ in(v0, v1) |
% 12.44/2.44      in(v0, v3)) &  ! [v0: int] :  ! [v1: collection] :  ! [v2: collection] : ( ~
% 12.44/2.44      (add(v0, v1) = v2) |  ~ collection(v1) |  ~ in(v0, v1) |  ? [v3: int] :
% 12.44/2.44      (count(v2) = v3 & count(v1) = v3)) &  ! [v0: int] :  ! [v1: collection] :  !
% 12.44/2.44    [v2: collection] : ( ~ (add(v0, v1) = v2) |  ~ collection(v1) | in(v0, v2)) & 
% 12.44/2.44    ! [v0: int] :  ! [v1: collection] :  ! [v2: collection] : ( ~ (add(v0, v1) =
% 12.44/2.44        v2) |  ~ collection(v1) | in(v0, v1) |  ? [v3: int] :  ? [v4: int] : ( ~
% 12.44/2.44        (v4 = v3) & count(v2) = v3 & count(v1) = v4))
% 12.44/2.44  
% 12.44/2.44    (ax5)
% 12.44/2.44     ! [v0: int] :  ! [v1: collection] :  ! [v2: int] :  ! [v3: collection] : (v2
% 12.44/2.44      = v0 |  ~ (remove(v2, v1) = v3) |  ~ collection(v1) |  ~ in(v0, v1) | in(v0,
% 12.44/2.44        v3)) &  ! [v0: int] :  ! [v1: collection] :  ! [v2: int] :  ! [v3:
% 12.44/2.44      collection] : ( ~ (remove(v2, v1) = v3) |  ~ collection(v1) |  ~ in(v0, v3)
% 12.44/2.44      | in(v0, v1)) &  ! [v0: int] :  ! [v1: collection] :  ! [v2: collection] : (
% 12.44/2.44      ~ (remove(v0, v1) = v2) |  ~ collection(v1) |  ~ in(v0, v2)) &  ! [v0: int]
% 12.44/2.44    :  ! [v1: collection] :  ! [v2: collection] : ( ~ (remove(v0, v1) = v2) |  ~
% 12.44/2.44      collection(v1) |  ~ in(v0, v1) |  ? [v3: int] : (count(v2) = v3 & count(v1)
% 12.44/2.44        = $sum(v3, 1))) &  ! [v0: int] :  ! [v1: collection] :  ! [v2: collection]
% 12.44/2.44    : ( ~ (remove(v0, v1) = v2) |  ~ collection(v1) | in(v0, v1) |  ? [v3: int] : 
% 12.44/2.44      ? [v4: int] : ( ~ ($difference(v4, v3) = 1) & count(v2) = v3 & count(v1) =
% 12.44/2.44        v4))
% 12.44/2.44  
% 12.44/2.44    (ax6)
% 12.44/2.44     ! [v0: int] :  ! [v1: collection] :  ! [v2: collection] : ( ~ (remove(v0, v1)
% 12.44/2.44        = v2) |  ~ collection(v1) |  ~ in(v0, v1) |  ? [v3: int] :  ? [v4: int] :
% 12.44/2.44      ( ~ (v4 = v3) & count(v2) = v3 & count(v1) = v4)) &  ! [v0: int] :  ! [v1:
% 12.44/2.44      collection] :  ! [v2: collection] : ( ~ (remove(v0, v1) = v2) |  ~
% 12.44/2.44      collection(v1) | in(v0, v1) |  ? [v3: int] : (count(v2) = v3 & count(v1) =
% 12.44/2.44        v3))
% 12.44/2.44  
% 12.44/2.44    (co1)
% 12.44/2.44    collection(empty) &  ? [v0: collection] :  ? [v1: collection] :  ? [v2:
% 12.44/2.44      collection] :  ? [v3: collection] :  ? [v4: int] : ( ~ (v4 = 3) & remove(3,
% 12.44/2.44        v0) = v1 & add(5, v1) = v2 & add(2, empty) = v0 & add(1, v2) = v3 &
% 12.44/2.44      count(v3) = v4 & collection(v3) & collection(v2) & collection(v1) &
% 12.44/2.44      collection(v0))
% 12.44/2.44  
% 12.44/2.44    (function-axioms)
% 12.44/2.45     ! [v0: collection] :  ! [v1: collection] :  ! [v2: collection] :  ! [v3: int]
% 12.44/2.45    : (v1 = v0 |  ~ (remove(v3, v2) = v1) |  ~ (remove(v3, v2) = v0)) &  ! [v0:
% 12.44/2.45      collection] :  ! [v1: collection] :  ! [v2: collection] :  ! [v3: int] : (v1
% 12.44/2.45      = v0 |  ~ (add(v3, v2) = v1) |  ~ (add(v3, v2) = v0)) &  ! [v0: int] :  !
% 12.44/2.45    [v1: int] :  ! [v2: collection] : (v1 = v0 |  ~ (count(v2) = v1) |  ~
% 12.44/2.45      (count(v2) = v0))
% 12.44/2.45  
% 12.44/2.45  Further assumptions not needed in the proof:
% 12.44/2.45  --------------------------------------------
% 12.44/2.45  ax7
% 12.44/2.45  
% 12.44/2.45  Those formulas are unsatisfiable:
% 12.44/2.45  ---------------------------------
% 12.44/2.45  
% 12.44/2.45  Begin of proof
% 12.44/2.45  | 
% 12.44/2.45  | ALPHA: (ax1) implies:
% 12.44/2.45  |   (1)   ! [v0: int] :  ~ in(v0, empty)
% 12.44/2.45  | 
% 12.44/2.45  | ALPHA: (ax2) implies:
% 12.44/2.45  |   (2)   ! [v0: int] : (v0 = 0 |  ~ (count(empty) = v0))
% 12.44/2.45  | 
% 12.44/2.45  | ALPHA: (ax3) implies:
% 12.44/2.45  |   (3)   ! [v0: int] :  ! [v1: collection] :  ! [v2: collection] : ( ~ (add(v0,
% 12.44/2.45  |              v1) = v2) |  ~ collection(v1) | in(v0, v1) |  ? [v3: int] :
% 12.44/2.45  |          (count(v2) = v3 & count(v1) = $sum(v3, -1)))
% 12.44/2.45  | 
% 12.44/2.45  | ALPHA: (ax4) implies:
% 12.44/2.45  |   (4)   ! [v0: int] :  ! [v1: collection] :  ! [v2: collection] : ( ~ (add(v0,
% 12.44/2.45  |              v1) = v2) |  ~ collection(v1) | in(v0, v1) |  ? [v3: int] :  ?
% 12.44/2.45  |          [v4: int] : ( ~ (v4 = v3) & count(v2) = v3 & count(v1) = v4))
% 12.44/2.45  |   (5)   ! [v0: int] :  ! [v1: collection] :  ! [v2: int] :  ! [v3: collection]
% 12.44/2.45  |        : (v2 = v0 |  ~ (add(v2, v1) = v3) |  ~ collection(v1) |  ~ in(v0, v3)
% 12.44/2.45  |          | in(v0, v1))
% 12.44/2.45  | 
% 12.44/2.45  | ALPHA: (ax5) implies:
% 12.44/2.45  |   (6)   ! [v0: int] :  ! [v1: collection] :  ! [v2: collection] : ( ~
% 12.44/2.45  |          (remove(v0, v1) = v2) |  ~ collection(v1) | in(v0, v1) |  ? [v3: int]
% 12.44/2.45  |          :  ? [v4: int] : ( ~ ($difference(v4, v3) = 1) & count(v2) = v3 &
% 12.44/2.45  |            count(v1) = v4))
% 12.44/2.45  |   (7)   ! [v0: int] :  ! [v1: collection] :  ! [v2: int] :  ! [v3: collection]
% 12.44/2.45  |        : ( ~ (remove(v2, v1) = v3) |  ~ collection(v1) |  ~ in(v0, v3) |
% 12.44/2.45  |          in(v0, v1))
% 12.44/2.45  | 
% 12.44/2.45  | ALPHA: (ax6) implies:
% 12.44/2.46  |   (8)   ! [v0: int] :  ! [v1: collection] :  ! [v2: collection] : ( ~
% 12.44/2.46  |          (remove(v0, v1) = v2) |  ~ collection(v1) | in(v0, v1) |  ? [v3: int]
% 12.44/2.46  |          : (count(v2) = v3 & count(v1) = v3))
% 12.44/2.46  | 
% 12.44/2.46  | ALPHA: (co1) implies:
% 12.44/2.46  |   (9)  collection(empty)
% 12.44/2.46  |   (10)   ? [v0: collection] :  ? [v1: collection] :  ? [v2: collection] :  ?
% 12.44/2.46  |         [v3: collection] :  ? [v4: int] : ( ~ (v4 = 3) & remove(3, v0) = v1 &
% 12.44/2.46  |           add(5, v1) = v2 & add(2, empty) = v0 & add(1, v2) = v3 & count(v3) =
% 12.44/2.46  |           v4 & collection(v3) & collection(v2) & collection(v1) &
% 12.44/2.46  |           collection(v0))
% 12.44/2.46  | 
% 12.44/2.46  | ALPHA: (function-axioms) implies:
% 12.44/2.46  |   (11)   ! [v0: int] :  ! [v1: int] :  ! [v2: collection] : (v1 = v0 |  ~
% 12.44/2.46  |           (count(v2) = v1) |  ~ (count(v2) = v0))
% 12.44/2.46  | 
% 12.44/2.46  | DELTA: instantiating (10) with fresh symbols all_13_0, all_13_1, all_13_2,
% 12.44/2.46  |        all_13_3, all_13_4 gives:
% 12.44/2.46  |   (12)   ~ (all_13_0 = 3) & remove(3, all_13_4) = all_13_3 & add(5, all_13_3)
% 12.44/2.46  |         = all_13_2 & add(2, empty) = all_13_4 & add(1, all_13_2) = all_13_1 &
% 12.44/2.46  |         count(all_13_1) = all_13_0 & collection(all_13_1) &
% 12.44/2.46  |         collection(all_13_2) & collection(all_13_3) & collection(all_13_4)
% 12.44/2.46  | 
% 12.44/2.46  | ALPHA: (12) implies:
% 12.44/2.46  |   (13)   ~ (all_13_0 = 3)
% 12.44/2.46  |   (14)  collection(all_13_4)
% 12.44/2.46  |   (15)  collection(all_13_3)
% 12.44/2.46  |   (16)  collection(all_13_2)
% 12.44/2.46  |   (17)  count(all_13_1) = all_13_0
% 12.44/2.46  |   (18)  add(1, all_13_2) = all_13_1
% 12.44/2.46  |   (19)  add(2, empty) = all_13_4
% 12.44/2.46  |   (20)  add(5, all_13_3) = all_13_2
% 12.44/2.46  |   (21)  remove(3, all_13_4) = all_13_3
% 12.44/2.46  | 
% 12.44/2.46  | GROUND_INST: instantiating (4) with 1, all_13_2, all_13_1, simplifying with
% 12.44/2.46  |              (16), (18) gives:
% 12.44/2.46  |   (22)  in(1, all_13_2) |  ? [v0: int] :  ? [v1: int] : ( ~ (v1 = v0) &
% 12.44/2.46  |           count(all_13_1) = v0 & count(all_13_2) = v1)
% 12.44/2.46  | 
% 12.44/2.46  | GROUND_INST: instantiating (3) with 1, all_13_2, all_13_1, simplifying with
% 12.44/2.46  |              (16), (18) gives:
% 12.44/2.46  |   (23)  in(1, all_13_2) |  ? [v0: int] : (count(all_13_1) = v0 &
% 12.44/2.46  |           count(all_13_2) = $sum(v0, -1))
% 12.44/2.46  | 
% 12.44/2.46  | GROUND_INST: instantiating (3) with 2, empty, all_13_4, simplifying with (9),
% 12.44/2.46  |              (19) gives:
% 12.44/2.46  |   (24)  in(2, empty) |  ? [v0: int] : (count(all_13_4) = v0 & count(empty) =
% 12.44/2.46  |           $sum(v0, -1))
% 12.44/2.46  | 
% 12.44/2.46  | GROUND_INST: instantiating (4) with 5, all_13_3, all_13_2, simplifying with
% 12.44/2.46  |              (15), (20) gives:
% 12.44/2.46  |   (25)  in(5, all_13_3) |  ? [v0: int] :  ? [v1: int] : ( ~ (v1 = v0) &
% 12.44/2.46  |           count(all_13_2) = v0 & count(all_13_3) = v1)
% 12.44/2.46  | 
% 12.44/2.47  | GROUND_INST: instantiating (3) with 5, all_13_3, all_13_2, simplifying with
% 12.44/2.47  |              (15), (20) gives:
% 12.44/2.47  |   (26)  in(5, all_13_3) |  ? [v0: int] : (count(all_13_2) = v0 &
% 12.44/2.47  |           count(all_13_3) = $sum(v0, -1))
% 12.44/2.47  | 
% 12.44/2.47  | GROUND_INST: instantiating (6) with 3, all_13_4, all_13_3, simplifying with
% 12.44/2.47  |              (14), (21) gives:
% 12.44/2.47  |   (27)  in(3, all_13_4) |  ? [v0: int] :  ? [v1: int] : ( ~ ($difference(v1,
% 12.44/2.47  |               v0) = 1) & count(all_13_3) = v0 & count(all_13_4) = v1)
% 12.44/2.47  | 
% 12.44/2.47  | GROUND_INST: instantiating (8) with 3, all_13_4, all_13_3, simplifying with
% 12.44/2.47  |              (14), (21) gives:
% 12.44/2.47  |   (28)  in(3, all_13_4) |  ? [v0: int] : (count(all_13_3) = v0 &
% 12.44/2.47  |           count(all_13_4) = v0)
% 12.44/2.47  | 
% 12.44/2.47  | BETA: splitting (24) gives:
% 12.44/2.47  | 
% 12.44/2.47  | Case 1:
% 12.44/2.47  | | 
% 12.44/2.47  | |   (29)  in(2, empty)
% 12.44/2.47  | | 
% 12.44/2.47  | | GROUND_INST: instantiating (1) with 2, simplifying with (29) gives:
% 12.44/2.47  | |   (30)  $false
% 12.44/2.47  | | 
% 12.44/2.47  | | CLOSE: (30) is inconsistent.
% 12.44/2.47  | | 
% 12.44/2.47  | Case 2:
% 12.44/2.47  | | 
% 12.44/2.47  | |   (31)   ? [v0: int] : (count(all_13_4) = v0 & count(empty) = $sum(v0, -1))
% 12.44/2.47  | | 
% 12.44/2.47  | | DELTA: instantiating (31) with fresh symbol all_50_0 gives:
% 12.44/2.47  | |   (32)  count(all_13_4) = all_50_0 & count(empty) = $sum(all_50_0, -1)
% 12.44/2.47  | | 
% 12.44/2.47  | | ALPHA: (32) implies:
% 12.44/2.47  | |   (33)  count(empty) = $sum(all_50_0, -1)
% 12.44/2.47  | |   (34)  count(all_13_4) = all_50_0
% 12.44/2.47  | | 
% 12.44/2.47  | | GROUND_INST: instantiating (2) with $sum(all_50_0, -1), simplifying with
% 12.44/2.47  | |              (33) gives:
% 12.44/2.47  | |   (35)  all_50_0 = 1
% 12.44/2.47  | | 
% 12.44/2.47  | | REDUCE: (34), (35) imply:
% 12.44/2.47  | |   (36)  count(all_13_4) = 1
% 12.44/2.47  | | 
% 12.44/2.47  | | BETA: splitting (23) gives:
% 12.44/2.47  | | 
% 12.44/2.47  | | Case 1:
% 12.44/2.47  | | | 
% 12.44/2.47  | | |   (37)  in(1, all_13_2)
% 12.44/2.47  | | | 
% 12.44/2.47  | | | GROUND_INST: instantiating (5) with 1, all_13_3, 5, all_13_2, simplifying
% 12.44/2.47  | | |              with (15), (20), (37) gives:
% 12.44/2.47  | | |   (38)  in(1, all_13_3)
% 12.44/2.47  | | | 
% 12.44/2.47  | | | REF_CLOSE: (1), (5), (7), (9), (14), (19), (21), (38) are inconsistent by
% 12.44/2.47  | | |            sub-proof #1.
% 12.44/2.47  | | | 
% 12.44/2.47  | | Case 2:
% 12.44/2.47  | | | 
% 12.44/2.47  | | |   (39)   ? [v0: int] : (count(all_13_1) = v0 & count(all_13_2) = $sum(v0,
% 12.44/2.47  | | |             -1))
% 12.44/2.47  | | | 
% 12.44/2.47  | | | DELTA: instantiating (39) with fresh symbol all_63_0 gives:
% 12.44/2.47  | | |   (40)  count(all_13_1) = all_63_0 & count(all_13_2) = $sum(all_63_0, -1)
% 12.44/2.47  | | | 
% 12.44/2.47  | | | ALPHA: (40) implies:
% 12.44/2.47  | | |   (41)  count(all_13_2) = $sum(all_63_0, -1)
% 12.44/2.47  | | |   (42)  count(all_13_1) = all_63_0
% 12.44/2.47  | | | 
% 12.44/2.47  | | | BETA: splitting (22) gives:
% 12.44/2.47  | | | 
% 12.44/2.47  | | | Case 1:
% 12.44/2.47  | | | | 
% 12.44/2.47  | | | |   (43)  in(1, all_13_2)
% 12.44/2.47  | | | | 
% 12.44/2.47  | | | | GROUND_INST: instantiating (5) with 1, all_13_3, 5, all_13_2,
% 12.44/2.47  | | | |              simplifying with (15), (20), (43) gives:
% 12.44/2.47  | | | |   (44)  in(1, all_13_3)
% 12.44/2.48  | | | | 
% 12.44/2.48  | | | | REF_CLOSE: (1), (5), (7), (9), (14), (19), (21), (44) are inconsistent
% 12.44/2.48  | | | |            by sub-proof #1.
% 12.44/2.48  | | | | 
% 12.44/2.48  | | | Case 2:
% 12.44/2.48  | | | | 
% 12.44/2.48  | | | |   (45)   ? [v0: int] :  ? [v1: int] : ( ~ (v1 = v0) & count(all_13_1) =
% 12.44/2.48  | | | |           v0 & count(all_13_2) = v1)
% 12.44/2.48  | | | | 
% 12.44/2.48  | | | | DELTA: instantiating (45) with fresh symbols all_69_0, all_69_1 gives:
% 12.44/2.48  | | | |   (46)   ~ (all_69_0 = all_69_1) & count(all_13_1) = all_69_1 &
% 12.44/2.48  | | | |         count(all_13_2) = all_69_0
% 12.44/2.48  | | | | 
% 12.44/2.48  | | | | ALPHA: (46) implies:
% 12.44/2.48  | | | |   (47)  count(all_13_1) = all_69_1
% 12.44/2.48  | | | | 
% 12.44/2.48  | | | | GROUND_INST: instantiating (11) with all_13_0, all_69_1, all_13_1,
% 12.44/2.48  | | | |              simplifying with (17), (47) gives:
% 12.44/2.48  | | | |   (48)  all_69_1 = all_13_0
% 12.44/2.48  | | | | 
% 12.44/2.48  | | | | GROUND_INST: instantiating (11) with all_63_0, all_69_1, all_13_1,
% 12.44/2.48  | | | |              simplifying with (42), (47) gives:
% 12.44/2.48  | | | |   (49)  all_69_1 = all_63_0
% 12.44/2.48  | | | | 
% 12.44/2.48  | | | | COMBINE_EQS: (48), (49) imply:
% 12.44/2.48  | | | |   (50)  all_63_0 = all_13_0
% 12.44/2.48  | | | | 
% 12.44/2.48  | | | | SIMP: (50) implies:
% 12.44/2.48  | | | |   (51)  all_63_0 = all_13_0
% 12.44/2.48  | | | | 
% 12.44/2.48  | | | | REDUCE: (41), (51) imply:
% 12.44/2.48  | | | |   (52)  count(all_13_2) = $sum(all_13_0, -1)
% 12.44/2.48  | | | | 
% 12.44/2.48  | | | | BETA: splitting (28) gives:
% 12.44/2.48  | | | | 
% 12.44/2.48  | | | | Case 1:
% 12.44/2.48  | | | | | 
% 12.44/2.48  | | | | |   (53)  in(3, all_13_4)
% 12.44/2.48  | | | | | 
% 12.44/2.48  | | | | | GROUND_INST: instantiating (5) with 3, empty, 2, all_13_4, simplifying
% 12.44/2.48  | | | | |              with (9), (19), (53) gives:
% 12.44/2.48  | | | | |   (54)  in(3, empty)
% 12.44/2.48  | | | | | 
% 12.44/2.48  | | | | | GROUND_INST: instantiating (1) with 3, simplifying with (54) gives:
% 12.44/2.48  | | | | |   (55)  $false
% 12.44/2.48  | | | | | 
% 12.44/2.48  | | | | | CLOSE: (55) is inconsistent.
% 12.44/2.48  | | | | | 
% 12.44/2.48  | | | | Case 2:
% 12.44/2.48  | | | | | 
% 12.44/2.48  | | | | |   (56)   ? [v0: int] : (count(all_13_3) = v0 & count(all_13_4) = v0)
% 12.44/2.48  | | | | | 
% 12.44/2.48  | | | | | DELTA: instantiating (56) with fresh symbol all_88_0 gives:
% 12.44/2.48  | | | | |   (57)  count(all_13_3) = all_88_0 & count(all_13_4) = all_88_0
% 12.44/2.48  | | | | | 
% 12.44/2.48  | | | | | ALPHA: (57) implies:
% 12.44/2.48  | | | | |   (58)  count(all_13_4) = all_88_0
% 12.44/2.48  | | | | |   (59)  count(all_13_3) = all_88_0
% 12.44/2.48  | | | | | 
% 12.44/2.48  | | | | | BETA: splitting (27) gives:
% 12.44/2.48  | | | | | 
% 12.44/2.48  | | | | | Case 1:
% 12.44/2.48  | | | | | | 
% 12.44/2.48  | | | | | |   (60)  in(3, all_13_4)
% 12.44/2.48  | | | | | | 
% 12.44/2.48  | | | | | | GROUND_INST: instantiating (5) with 3, empty, 2, all_13_4,
% 12.44/2.48  | | | | | |              simplifying with (9), (19), (60) gives:
% 12.44/2.48  | | | | | |   (61)  in(3, empty)
% 12.44/2.48  | | | | | | 
% 12.44/2.48  | | | | | | GROUND_INST: instantiating (1) with 3, simplifying with (61) gives:
% 12.44/2.48  | | | | | |   (62)  $false
% 12.44/2.48  | | | | | | 
% 12.44/2.48  | | | | | | CLOSE: (62) is inconsistent.
% 12.44/2.48  | | | | | | 
% 12.44/2.48  | | | | | Case 2:
% 12.44/2.48  | | | | | | 
% 12.44/2.48  | | | | | |   (63)   ? [v0: int] :  ? [v1: int] : ( ~ ($difference(v1, v0) = 1)
% 12.44/2.48  | | | | | |           & count(all_13_3) = v0 & count(all_13_4) = v1)
% 12.44/2.48  | | | | | | 
% 12.44/2.48  | | | | | | DELTA: instantiating (63) with fresh symbols all_94_0, all_94_1
% 12.44/2.48  | | | | | |        gives:
% 12.44/2.48  | | | | | |   (64)   ~ ($difference(all_94_0, all_94_1) = 1) & count(all_13_3) =
% 12.44/2.48  | | | | | |         all_94_1 & count(all_13_4) = all_94_0
% 12.44/2.48  | | | | | | 
% 12.44/2.48  | | | | | | ALPHA: (64) implies:
% 12.44/2.48  | | | | | |   (65)  count(all_13_4) = all_94_0
% 12.44/2.48  | | | | | | 
% 12.44/2.48  | | | | | | GROUND_INST: instantiating (11) with 1, all_94_0, all_13_4,
% 12.44/2.48  | | | | | |              simplifying with (36), (65) gives:
% 12.44/2.48  | | | | | |   (66)  all_94_0 = 1
% 12.44/2.48  | | | | | | 
% 12.44/2.48  | | | | | | GROUND_INST: instantiating (11) with all_88_0, all_94_0, all_13_4,
% 12.44/2.48  | | | | | |              simplifying with (58), (65) gives:
% 12.44/2.48  | | | | | |   (67)  all_94_0 = all_88_0
% 12.44/2.48  | | | | | | 
% 12.44/2.48  | | | | | | COMBINE_EQS: (66), (67) imply:
% 12.44/2.48  | | | | | |   (68)  all_88_0 = 1
% 12.44/2.48  | | | | | | 
% 12.44/2.48  | | | | | | REDUCE: (59), (68) imply:
% 12.44/2.48  | | | | | |   (69)  count(all_13_3) = 1
% 12.44/2.48  | | | | | | 
% 12.44/2.49  | | | | | | BETA: splitting (26) gives:
% 12.44/2.49  | | | | | | 
% 12.44/2.49  | | | | | | Case 1:
% 12.44/2.49  | | | | | | | 
% 12.44/2.49  | | | | | | |   (70)  in(5, all_13_3)
% 12.44/2.49  | | | | | | | 
% 12.44/2.49  | | | | | | | GROUND_INST: instantiating (7) with 5, all_13_4, 3, all_13_3,
% 12.44/2.49  | | | | | | |              simplifying with (14), (21), (70) gives:
% 12.44/2.49  | | | | | | |   (71)  in(5, all_13_4)
% 12.44/2.49  | | | | | | | 
% 12.44/2.49  | | | | | | | GROUND_INST: instantiating (5) with 5, empty, 2, all_13_4,
% 12.44/2.49  | | | | | | |              simplifying with (9), (19), (71) gives:
% 12.44/2.49  | | | | | | |   (72)  in(5, empty)
% 12.44/2.49  | | | | | | | 
% 12.44/2.49  | | | | | | | GROUND_INST: instantiating (1) with 5, simplifying with (72)
% 12.44/2.49  | | | | | | |              gives:
% 12.44/2.49  | | | | | | |   (73)  $false
% 12.44/2.49  | | | | | | | 
% 12.44/2.49  | | | | | | | CLOSE: (73) is inconsistent.
% 12.44/2.49  | | | | | | | 
% 12.44/2.49  | | | | | | Case 2:
% 12.44/2.49  | | | | | | | 
% 12.44/2.49  | | | | | | |   (74)   ? [v0: int] : (count(all_13_2) = v0 & count(all_13_3) =
% 12.44/2.49  | | | | | | |           $sum(v0, -1))
% 12.44/2.49  | | | | | | | 
% 12.44/2.49  | | | | | | | DELTA: instantiating (74) with fresh symbol all_104_0 gives:
% 12.44/2.49  | | | | | | |   (75)  count(all_13_2) = all_104_0 & count(all_13_3) =
% 12.44/2.49  | | | | | | |         $sum(all_104_0, -1)
% 12.44/2.49  | | | | | | | 
% 12.44/2.49  | | | | | | | ALPHA: (75) implies:
% 12.44/2.49  | | | | | | |   (76)  count(all_13_3) = $sum(all_104_0, -1)
% 12.44/2.49  | | | | | | |   (77)  count(all_13_2) = all_104_0
% 12.44/2.49  | | | | | | | 
% 12.44/2.49  | | | | | | | BETA: splitting (25) gives:
% 12.44/2.49  | | | | | | | 
% 12.44/2.49  | | | | | | | Case 1:
% 12.44/2.49  | | | | | | | | 
% 12.44/2.49  | | | | | | | |   (78)  in(5, all_13_3)
% 12.44/2.49  | | | | | | | | 
% 12.44/2.49  | | | | | | | | GROUND_INST: instantiating (7) with 5, all_13_4, 3, all_13_3,
% 12.44/2.49  | | | | | | | |              simplifying with (14), (21), (78) gives:
% 12.44/2.49  | | | | | | | |   (79)  in(5, all_13_4)
% 12.44/2.49  | | | | | | | | 
% 12.93/2.49  | | | | | | | | GROUND_INST: instantiating (5) with 5, empty, 2, all_13_4,
% 12.93/2.49  | | | | | | | |              simplifying with (9), (19), (79) gives:
% 12.93/2.49  | | | | | | | |   (80)  in(5, empty)
% 12.93/2.49  | | | | | | | | 
% 12.93/2.49  | | | | | | | | GROUND_INST: instantiating (1) with 5, simplifying with (80)
% 12.93/2.49  | | | | | | | |              gives:
% 12.93/2.49  | | | | | | | |   (81)  $false
% 12.93/2.49  | | | | | | | | 
% 12.93/2.49  | | | | | | | | CLOSE: (81) is inconsistent.
% 12.93/2.49  | | | | | | | | 
% 12.93/2.49  | | | | | | | Case 2:
% 12.93/2.49  | | | | | | | | 
% 12.93/2.49  | | | | | | | |   (82)   ? [v0: int] :  ? [v1: int] : ( ~ (v1 = v0) &
% 12.93/2.49  | | | | | | | |           count(all_13_2) = v0 & count(all_13_3) = v1)
% 12.93/2.49  | | | | | | | | 
% 12.93/2.49  | | | | | | | | DELTA: instantiating (82) with fresh symbols all_110_0,
% 12.93/2.49  | | | | | | | |        all_110_1 gives:
% 12.93/2.49  | | | | | | | |   (83)   ~ (all_110_0 = all_110_1) & count(all_13_2) = all_110_1
% 12.93/2.49  | | | | | | | |         & count(all_13_3) = all_110_0
% 12.93/2.49  | | | | | | | | 
% 12.93/2.49  | | | | | | | | ALPHA: (83) implies:
% 12.93/2.49  | | | | | | | |   (84)  count(all_13_3) = all_110_0
% 12.93/2.49  | | | | | | | |   (85)  count(all_13_2) = all_110_1
% 12.93/2.49  | | | | | | | | 
% 12.93/2.49  | | | | | | | | GROUND_INST: instantiating (11) with $sum(all_104_0, -1),
% 12.93/2.49  | | | | | | | |              all_110_0, all_13_3, simplifying with (76), (84)
% 12.93/2.49  | | | | | | | |              gives:
% 12.93/2.49  | | | | | | | |   (86)  $difference(all_110_0, all_104_0) = -1
% 12.93/2.49  | | | | | | | | 
% 12.93/2.49  | | | | | | | | GROUND_INST: instantiating (11) with 1, all_110_0, all_13_3,
% 12.93/2.49  | | | | | | | |              simplifying with (69), (84) gives:
% 12.93/2.49  | | | | | | | |   (87)  all_110_0 = 1
% 12.93/2.49  | | | | | | | | 
% 12.93/2.49  | | | | | | | | GROUND_INST: instantiating (11) with $sum(all_13_0, -1),
% 12.93/2.49  | | | | | | | |              all_110_1, all_13_2, simplifying with (52), (85)
% 12.93/2.49  | | | | | | | |              gives:
% 12.93/2.49  | | | | | | | |   (88)  $difference(all_110_1, all_13_0) = -1
% 12.93/2.49  | | | | | | | | 
% 12.93/2.49  | | | | | | | | GROUND_INST: instantiating (11) with all_104_0, all_110_1,
% 12.93/2.49  | | | | | | | |              all_13_2, simplifying with (77), (85) gives:
% 12.93/2.49  | | | | | | | |   (89)  all_110_1 = all_104_0
% 12.93/2.49  | | | | | | | | 
% 12.93/2.49  | | | | | | | | COMBINE_EQS: (86), (87) imply:
% 12.93/2.49  | | | | | | | |   (90)  all_104_0 = 2
% 12.93/2.49  | | | | | | | | 
% 12.93/2.49  | | | | | | | | COMBINE_EQS: (88), (89) imply:
% 12.93/2.50  | | | | | | | |   (91)  $difference(all_104_0, all_13_0) = -1
% 12.93/2.50  | | | | | | | | 
% 12.93/2.50  | | | | | | | | SIMP: (91) implies:
% 12.93/2.50  | | | | | | | |   (92)  $difference(all_104_0, all_13_0) = -1
% 12.93/2.50  | | | | | | | | 
% 12.93/2.50  | | | | | | | | COMBINE_EQS: (90), (92) imply:
% 12.93/2.50  | | | | | | | |   (93)  all_13_0 = 3
% 12.93/2.50  | | | | | | | | 
% 12.93/2.50  | | | | | | | | REDUCE: (13), (93) imply:
% 12.93/2.50  | | | | | | | |   (94)  $false
% 12.93/2.50  | | | | | | | | 
% 12.93/2.50  | | | | | | | | CLOSE: (94) is inconsistent.
% 12.93/2.50  | | | | | | | | 
% 12.97/2.50  | | | | | | | End of split
% 12.97/2.50  | | | | | | | 
% 12.97/2.50  | | | | | | End of split
% 12.97/2.50  | | | | | | 
% 12.97/2.50  | | | | | End of split
% 12.97/2.50  | | | | | 
% 12.97/2.50  | | | | End of split
% 12.97/2.50  | | | | 
% 12.97/2.50  | | | End of split
% 12.97/2.50  | | | 
% 12.97/2.50  | | End of split
% 12.97/2.50  | | 
% 12.97/2.50  | End of split
% 12.97/2.50  | 
% 12.97/2.50  End of proof
% 12.97/2.50  
% 12.97/2.50  Sub-proof #1 shows that the following formulas are inconsistent:
% 12.97/2.50  ----------------------------------------------------------------
% 12.97/2.50    (1)  add(2, empty) = all_13_4
% 12.97/2.50    (2)  in(1, all_13_3)
% 12.97/2.50    (3)  collection(empty)
% 12.97/2.50    (4)   ! [v0: int] :  ~ in(v0, empty)
% 12.97/2.50    (5)   ! [v0: int] :  ! [v1: collection] :  ! [v2: int] :  ! [v3: collection] :
% 12.97/2.50         (v2 = v0 |  ~ (add(v2, v1) = v3) |  ~ collection(v1) |  ~ in(v0, v3) |
% 12.97/2.50           in(v0, v1))
% 12.97/2.50    (6)  collection(all_13_4)
% 12.97/2.50    (7)  remove(3, all_13_4) = all_13_3
% 12.97/2.50    (8)   ! [v0: int] :  ! [v1: collection] :  ! [v2: int] :  ! [v3: collection] :
% 12.97/2.50         ( ~ (remove(v2, v1) = v3) |  ~ collection(v1) |  ~ in(v0, v3) | in(v0,
% 12.97/2.50             v1))
% 12.97/2.50  
% 12.97/2.50  Begin of proof
% 12.97/2.50  | 
% 12.97/2.50  | GROUND_INST: instantiating (8) with 1, all_13_4, 3, all_13_3, simplifying with
% 12.97/2.50  |              (2), (6), (7) gives:
% 12.97/2.50  |   (9)  in(1, all_13_4)
% 12.97/2.50  | 
% 12.97/2.50  | GROUND_INST: instantiating (5) with 1, empty, 2, all_13_4, simplifying with
% 12.97/2.50  |              (1), (3), (9) gives:
% 12.97/2.50  |   (10)  in(1, empty)
% 12.97/2.50  | 
% 12.97/2.50  | GROUND_INST: instantiating (4) with 1, simplifying with (10) gives:
% 12.97/2.50  |   (11)  $false
% 12.97/2.50  | 
% 12.97/2.50  | CLOSE: (11) is inconsistent.
% 12.97/2.50  | 
% 12.97/2.50  End of proof
% 12.97/2.50  % SZS output end Proof for theBenchmark
% 12.97/2.50  
% 12.97/2.50  1906ms
%------------------------------------------------------------------------------