TSTP Solution File: ARI742_1 by Princess---230619

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Princess---230619
% Problem  : ARI742_1 : TPTP v8.1.2. Released v7.0.0.
% Transfm  : none
% Format   : tptp
% Command  : princess -inputFormat=tptp +threads -portfolio=casc +printProof -timeoutSec=%d %s

% Computer : n007.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 17:48:59 EDT 2023

% Result   : Theorem 6.68s 1.68s
% Output   : Proof 9.12s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.11/0.12  % Problem  : ARI742_1 : TPTP v8.1.2. Released v7.0.0.
% 0.11/0.13  % Command  : princess -inputFormat=tptp +threads -portfolio=casc +printProof -timeoutSec=%d %s
% 0.13/0.34  % Computer : n007.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 : Tue Aug 29 17:58:13 EDT 2023
% 0.13/0.34  % CPUTime  : 
% 0.68/0.65  ________       _____
% 0.68/0.65  ___  __ \_________(_)________________________________
% 0.68/0.65  __  /_/ /_  ___/_  /__  __ \  ___/  _ \_  ___/_  ___/
% 0.68/0.65  _  ____/_  /   _  / _  / / / /__ /  __/(__  )_(__  )
% 0.68/0.65  /_/     /_/    /_/  /_/ /_/\___/ \___//____/ /____/
% 0.68/0.65  
% 0.68/0.65  A Theorem Prover for First-Order Logic modulo Linear Integer Arithmetic
% 0.68/0.65  (2023-06-19)
% 0.68/0.65  
% 0.68/0.65  (c) Philipp Rümmer, 2009-2023
% 0.68/0.65  Contributors: Peter Backeman, Peter Baumgartner, Angelo Brillout, Zafer Esen,
% 0.68/0.65                Amanda Stjerna.
% 0.68/0.65  Free software under BSD-3-Clause.
% 0.68/0.65  
% 0.68/0.65  For more information, visit http://www.philipp.ruemmer.org/princess.shtml
% 0.68/0.65  
% 0.68/0.65  Loading /export/starexec/sandbox/benchmark/theBenchmark.p ...
% 0.68/0.67  Running up to 7 provers in parallel.
% 0.68/0.69  Prover 1: Options:  +triggersInConjecture -genTotalityAxioms -tightFunctionScopes -clausifier=none -reverseFunctionalityPropagation -boolFunsAsPreds -triggerStrategy=maximal -realRatSaturationRounds=0 +ignoreQuantifiers -constructProofs=always -generateTriggers=all -randomSeed=-1571432423
% 0.68/0.69  Prover 0: Options:  +triggersInConjecture +genTotalityAxioms +tightFunctionScopes -clausifier=simple -reverseFunctionalityPropagation -boolFunsAsPreds -triggerStrategy=allUni -realRatSaturationRounds=0 -ignoreQuantifiers -constructProofs=never -generateTriggers=all -randomSeed=1042961893
% 0.68/0.69  Prover 2: Options:  +triggersInConjecture +genTotalityAxioms -tightFunctionScopes -clausifier=simple +reverseFunctionalityPropagation +boolFunsAsPreds -triggerStrategy=allMinimalAndEmpty -realRatSaturationRounds=1 -ignoreQuantifiers -constructProofs=never -generateTriggers=all -randomSeed=-1065072994
% 0.68/0.69  Prover 3: Options:  +triggersInConjecture -genTotalityAxioms -tightFunctionScopes -clausifier=none -reverseFunctionalityPropagation -boolFunsAsPreds -triggerStrategy=maximal -realRatSaturationRounds=1 +ignoreQuantifiers -constructProofs=never -generateTriggers=all -randomSeed=1922548996
% 0.68/0.69  Prover 4: Options:  +triggersInConjecture -genTotalityAxioms -tightFunctionScopes -clausifier=simple -reverseFunctionalityPropagation -boolFunsAsPreds -triggerStrategy=allUni -realRatSaturationRounds=0 +ignoreQuantifiers -constructProofs=always -generateTriggers=all -randomSeed=1868514696
% 0.68/0.69  Prover 5: Options:  +triggersInConjecture -genTotalityAxioms +tightFunctionScopes -clausifier=none +reverseFunctionalityPropagation +boolFunsAsPreds -triggerStrategy=allMaximal -realRatSaturationRounds=1 -ignoreQuantifiers -constructProofs=never -generateTriggers=complete -randomSeed=1259561288
% 0.68/0.69  Prover 6: Options:  -triggersInConjecture -genTotalityAxioms +tightFunctionScopes -clausifier=none +reverseFunctionalityPropagation -boolFunsAsPreds -triggerStrategy=maximalOutermost -realRatSaturationRounds=0 -ignoreQuantifiers -constructProofs=never -generateTriggers=all -randomSeed=-1399714365
% 1.67/0.94  Prover 1: Warning: Problem contains reals, using incomplete axiomatisation
% 1.67/0.94  Prover 0: Warning: Problem contains reals, using incomplete axiomatisation
% 1.67/0.94  Prover 6: Warning: Problem contains reals, using incomplete axiomatisation
% 1.67/0.94  Prover 3: Warning: Problem contains reals, using incomplete axiomatisation
% 1.67/0.94  Prover 4: Warning: Problem contains reals, using incomplete axiomatisation
% 1.67/0.94  Prover 2: Warning: Problem contains reals, using incomplete axiomatisation
% 1.67/0.94  Prover 5: Warning: Problem contains reals, using incomplete axiomatisation
% 2.62/1.08  Prover 4: Preprocessing ...
% 2.62/1.08  Prover 1: Preprocessing ...
% 2.62/1.12  Prover 3: Preprocessing ...
% 2.62/1.12  Prover 6: Preprocessing ...
% 2.62/1.12  Prover 5: Preprocessing ...
% 2.62/1.12  Prover 0: Preprocessing ...
% 2.62/1.12  Prover 2: Preprocessing ...
% 5.76/1.51  Prover 5: Proving ...
% 5.76/1.52  Prover 3: Constructing countermodel ...
% 5.76/1.52  Prover 1: Constructing countermodel ...
% 5.96/1.53  Prover 6: Constructing countermodel ...
% 5.96/1.56  Prover 2: Proving ...
% 6.68/1.63  Prover 4: Constructing countermodel ...
% 6.68/1.65  Prover 0: Proving ...
% 6.68/1.68  Prover 3: proved (994ms)
% 6.68/1.68  
% 6.68/1.68  % SZS status Theorem for /export/starexec/sandbox/benchmark/theBenchmark.p
% 6.68/1.68  
% 6.68/1.68  Prover 6: stopped
% 6.68/1.68  Prover 0: stopped
% 6.68/1.68  Prover 2: stopped
% 6.68/1.68  Prover 7: Options:  +triggersInConjecture -genTotalityAxioms +tightFunctionScopes -clausifier=simple +reverseFunctionalityPropagation +boolFunsAsPreds -triggerStrategy=allUni -realRatSaturationRounds=1 +ignoreQuantifiers -constructProofs=always -generateTriggers=all -randomSeed=-236303470
% 6.68/1.68  Prover 8: Options:  +triggersInConjecture +genTotalityAxioms -tightFunctionScopes -clausifier=none -reverseFunctionalityPropagation -boolFunsAsPreds -triggerStrategy=maximal -realRatSaturationRounds=0 +ignoreQuantifiers -constructProofs=always -generateTriggers=all -randomSeed=-200781089
% 6.68/1.68  Prover 10: Options:  +triggersInConjecture -genTotalityAxioms +tightFunctionScopes -clausifier=simple -reverseFunctionalityPropagation +boolFunsAsPreds -triggerStrategy=maximal -realRatSaturationRounds=1 +ignoreQuantifiers -constructProofs=always -generateTriggers=all -randomSeed=919308125
% 6.68/1.68  Prover 11: Options:  +triggersInConjecture -genTotalityAxioms +tightFunctionScopes -clausifier=simple -reverseFunctionalityPropagation -boolFunsAsPreds -triggerStrategy=allUni -realRatSaturationRounds=1 +ignoreQuantifiers -constructProofs=always -generateTriggers=all -randomSeed=-1509710984
% 6.68/1.69  Prover 10: Warning: Problem contains reals, using incomplete axiomatisation
% 6.68/1.69  Prover 7: Warning: Problem contains reals, using incomplete axiomatisation
% 6.68/1.69  Prover 11: Warning: Problem contains reals, using incomplete axiomatisation
% 6.68/1.69  Prover 5: proved (1005ms)
% 6.68/1.69  
% 6.68/1.69  % SZS status Theorem for /export/starexec/sandbox/benchmark/theBenchmark.p
% 6.68/1.69  
% 7.26/1.71  Prover 8: Warning: Problem contains reals, using incomplete axiomatisation
% 7.26/1.71  Prover 13: Options:  +triggersInConjecture -genTotalityAxioms -tightFunctionScopes -clausifier=simple -reverseFunctionalityPropagation +boolFunsAsPreds -triggerStrategy=maximal -realRatSaturationRounds=0 +ignoreQuantifiers -constructProofs=always -generateTriggers=complete -randomSeed=1138197443
% 7.26/1.71  Prover 13: Warning: Problem contains reals, using incomplete axiomatisation
% 7.26/1.72  Prover 7: Preprocessing ...
% 7.26/1.72  Prover 11: Preprocessing ...
% 7.26/1.72  Prover 10: Preprocessing ...
% 7.26/1.72  Prover 8: Preprocessing ...
% 7.26/1.73  Prover 13: Preprocessing ...
% 7.95/1.80  Prover 10: Warning: ignoring some quantifiers
% 8.08/1.82  Prover 10: Constructing countermodel ...
% 8.08/1.83  Prover 7: Warning: ignoring some quantifiers
% 8.08/1.84  Prover 7: Constructing countermodel ...
% 8.08/1.84  Prover 1: Found proof (size 23)
% 8.08/1.85  Prover 1: proved (1163ms)
% 8.08/1.85  Prover 4: stopped
% 8.08/1.85  Prover 10: stopped
% 8.08/1.85  Prover 7: stopped
% 8.08/1.86  Prover 8: Warning: ignoring some quantifiers
% 8.08/1.86  Prover 13: Warning: ignoring some quantifiers
% 8.08/1.86  Prover 8: Constructing countermodel ...
% 8.08/1.87  Prover 13: Constructing countermodel ...
% 8.08/1.87  Prover 8: stopped
% 8.08/1.88  Prover 13: stopped
% 8.08/1.91  Prover 11: Constructing countermodel ...
% 8.72/1.92  Prover 11: stopped
% 8.72/1.92  
% 8.72/1.92  % SZS status Theorem for /export/starexec/sandbox/benchmark/theBenchmark.p
% 8.72/1.92  
% 8.72/1.93  % SZS output start Proof for theBenchmark
% 8.72/1.93  Assumptions after simplification:
% 8.72/1.93  ---------------------------------
% 8.72/1.93  
% 8.72/1.93    (sqrt_positive)
% 8.72/1.95     ! [v0: $real] : ( ~ (real_$lesseq(real_0, v0) = 0) |  ? [v1: $real] :
% 8.72/1.95      (sqrt(v0) = v1 & real_$lesseq(real_0, v1) = 0))
% 8.72/1.95  
% 8.72/1.95    (sqrt_square)
% 8.72/1.95     ! [v0: $real] : ( ~ (real_$lesseq(real_0, v0) = 0) |  ? [v1: $real] :
% 8.72/1.95      (sqrt(v0) = v1 & sqr(v1) = v0))
% 8.72/1.95  
% 8.72/1.95    (sqrt_zero)
% 8.72/1.95     ? [v0: $real] : ( ~ (v0 = real_0) & sqrt(real_0) = v0)
% 8.72/1.95  
% 8.72/1.96    (square_sqrt)
% 8.72/1.96     ! [v0: $real] : ( ~ (real_$lesseq(real_0, v0) = 0) |  ? [v1: $real] :
% 8.72/1.96      (sqrt(v1) = v0 & real_$product(v0, v0) = v1))
% 8.72/1.96  
% 8.72/1.96    (input)
% 8.72/1.97     ~ (real_very_large = real_very_small) &  ~ (real_very_large = real_0) &  ~
% 8.72/1.97    (real_very_small = real_0) & real_$is_int(real_0) = 0 & real_$is_rat(real_0) =
% 8.72/1.97    0 & real_$floor(real_0) = real_0 & real_$ceiling(real_0) = real_0 &
% 8.72/1.97    real_$truncate(real_0) = real_0 & real_$round(real_0) = real_0 &
% 8.72/1.97    real_$to_int(real_0) = 0 & real_$to_rat(real_0) = rat_0 &
% 8.72/1.97    real_$to_real(real_0) = real_0 & int_$to_real(0) = real_0 &
% 8.72/1.97    real_$difference(real_0, real_0) = real_0 & real_$uminus(real_0) = real_0 &
% 8.72/1.97    real_$sum(real_0, real_0) = real_0 & real_$greatereq(real_very_small,
% 8.72/1.97      real_very_large) = 1 & real_$greatereq(real_0, real_0) = 0 &
% 8.72/1.97    real_$greater(real_very_large, real_0) = 0 & real_$greater(real_very_small,
% 8.72/1.97      real_very_large) = 1 & real_$greater(real_0, real_very_small) = 0 &
% 8.72/1.97    real_$greater(real_0, real_0) = 1 & real_$less(real_very_small,
% 8.72/1.97      real_very_large) = 0 & real_$less(real_very_small, real_0) = 0 &
% 8.72/1.97    real_$less(real_0, real_very_large) = 0 & real_$less(real_0, real_0) = 1 &
% 8.72/1.97    real_$lesseq(real_very_small, real_very_large) = 0 & real_$lesseq(real_0,
% 8.72/1.97      real_0) = 0 & real_$product(real_0, real_0) = real_0 &  ! [v0: $real] :  !
% 8.72/1.97    [v1: $real] :  ! [v2: $real] :  ! [v3: $real] :  ! [v4: $real] : ( ~
% 8.72/1.97      (real_$sum(v3, v0) = v4) |  ~ (real_$sum(v2, v1) = v3) |  ? [v5: $real] :
% 8.72/1.97      (real_$sum(v2, v5) = v4 & real_$sum(v1, v0) = v5)) &  ! [v0: $real] :  !
% 8.72/1.97    [v1: $real] :  ! [v2: $real] :  ! [v3: $real] : (v3 = v1 | v0 = real_0 |  ~
% 8.72/1.97      (real_$quotient(v2, v0) = v3) |  ~ (real_$product(v1, v0) = v2)) &  ! [v0:
% 8.72/1.97      $real] :  ! [v1: $real] :  ! [v2: $real] :  ! [v3: int] : (v3 = 0 |  ~
% 8.72/1.97      (real_$less(v2, v1) = 0) |  ~ (real_$less(v2, v0) = v3) |  ? [v4: int] : ( ~
% 8.72/1.97        (v4 = 0) & real_$lesseq(v1, v0) = v4)) &  ! [v0: $real] :  ! [v1: $real] :
% 8.72/1.97     ! [v2: $real] :  ! [v3: int] : (v3 = 0 |  ~ (real_$less(v2, v0) = v3) |  ~
% 8.72/1.97      (real_$less(v1, v0) = 0) |  ? [v4: int] : ( ~ (v4 = 0) & real_$lesseq(v2,
% 8.72/1.97          v1) = v4)) &  ! [v0: $real] :  ! [v1: $real] :  ! [v2: $real] :  ! [v3:
% 8.72/1.97      int] : (v3 = 0 |  ~ (real_$lesseq(v2, v0) = v3) |  ~ (real_$lesseq(v1, v0) =
% 8.72/1.97        0) |  ? [v4: int] : ( ~ (v4 = 0) & real_$lesseq(v2, v1) = v4)) &  ! [v0:
% 8.72/1.97      $real] :  ! [v1: $real] :  ! [v2: $real] :  ! [v3: $real] : ( ~
% 8.72/1.97      (real_$uminus(v0) = v2) |  ~ (real_$sum(v1, v2) = v3) | real_$difference(v1,
% 8.72/1.97        v0) = v3) &  ! [v0: $real] :  ! [v1: $real] :  ! [v2: $real] : (v2 =
% 8.72/1.97      real_0 |  ~ (real_$uminus(v0) = v1) |  ~ (real_$sum(v0, v1) = v2)) &  ! [v0:
% 8.72/1.97      $real] :  ! [v1: $real] :  ! [v2: int] : (v2 = 0 | v1 = v0 |  ~
% 8.72/1.97      (real_$less(v1, v0) = v2) |  ? [v3: int] : ( ~ (v3 = 0) & real_$lesseq(v1,
% 8.72/1.97          v0) = v3)) &  ! [v0: $real] :  ! [v1: $real] :  ! [v2: int] : (v2 = 0 | 
% 8.72/1.97      ~ (real_$greatereq(v0, v1) = v2) |  ? [v3: int] : ( ~ (v3 = 0) &
% 8.72/1.97        real_$lesseq(v1, v0) = v3)) &  ! [v0: $real] :  ! [v1: $real] :  ! [v2:
% 8.72/1.97      int] : (v2 = 0 |  ~ (real_$greater(v0, v1) = v2) |  ? [v3: int] : ( ~ (v3 =
% 8.72/1.97          0) & real_$less(v1, v0) = v3)) &  ! [v0: $real] :  ! [v1: $real] :  !
% 8.72/1.98    [v2: $real] : ( ~ (real_$sum(v0, v1) = v2) | real_$sum(v1, v0) = v2) &  ! [v0:
% 8.72/1.98      $real] :  ! [v1: $real] :  ! [v2: any] : ( ~ (real_$less(v1, v0) = v2) |
% 8.72/1.98      real_$lesseq(v1, v0) = 0 | ( ~ (v2 = 0) &  ~ (v1 = v0))) &  ! [v0: $real] : 
% 8.72/1.98    ! [v1: $real] :  ! [v2: $real] : ( ~ (real_$product(v0, v1) = v2) |
% 8.72/1.98      real_$product(v1, v0) = v2) &  ! [v0: $real] :  ! [v1: $real] : (v1 = v0 | 
% 8.72/1.98      ~ (real_$sum(v0, real_0) = v1)) &  ! [v0: $real] :  ! [v1: $real] : ( ~
% 8.72/1.98      (real_$uminus(v0) = v1) | real_$uminus(v1) = v0) &  ! [v0: $real] :  ! [v1:
% 8.72/1.98      $real] : ( ~ (real_$greatereq(v0, v1) = 0) | real_$lesseq(v1, v0) = 0) &  !
% 8.72/1.98    [v0: $real] :  ! [v1: $real] : ( ~ (real_$greater(v0, v1) = 0) |
% 8.72/1.98      real_$less(v1, v0) = 0) &  ! [v0: $real] : (v0 = real_0 |  ~
% 8.72/1.98      (real_$uminus(v0) = v0))
% 8.72/1.98  
% 8.72/1.98    (function-axioms)
% 8.72/1.98     ! [v0: $real] :  ! [v1: $real] :  ! [v2: $real] :  ! [v3: $real] : (v1 = v0 |
% 8.72/1.98       ~ (real_$quotient(v3, v2) = v1) |  ~ (real_$quotient(v3, v2) = v0)) &  !
% 8.72/1.98    [v0: $real] :  ! [v1: $real] :  ! [v2: $real] :  ! [v3: $real] : (v1 = v0 |  ~
% 8.72/1.98      (real_$difference(v3, v2) = v1) |  ~ (real_$difference(v3, v2) = v0)) &  !
% 8.72/1.98    [v0: $real] :  ! [v1: $real] :  ! [v2: $real] :  ! [v3: $real] : (v1 = v0 |  ~
% 8.72/1.98      (real_$sum(v3, v2) = v1) |  ~ (real_$sum(v3, v2) = v0)) &  ! [v0:
% 8.72/1.98      MultipleValueBool] :  ! [v1: MultipleValueBool] :  ! [v2: $real] :  ! [v3:
% 8.72/1.98      $real] : (v1 = v0 |  ~ (real_$greatereq(v3, v2) = v1) |  ~
% 8.72/1.98      (real_$greatereq(v3, v2) = v0)) &  ! [v0: MultipleValueBool] :  ! [v1:
% 8.72/1.98      MultipleValueBool] :  ! [v2: $real] :  ! [v3: $real] : (v1 = v0 |  ~
% 8.72/1.98      (real_$greater(v3, v2) = v1) |  ~ (real_$greater(v3, v2) = v0)) &  ! [v0:
% 8.72/1.98      MultipleValueBool] :  ! [v1: MultipleValueBool] :  ! [v2: $real] :  ! [v3:
% 8.72/1.98      $real] : (v1 = v0 |  ~ (real_$less(v3, v2) = v1) |  ~ (real_$less(v3, v2) =
% 8.72/1.98        v0)) &  ! [v0: MultipleValueBool] :  ! [v1: MultipleValueBool] :  ! [v2:
% 8.72/1.98      $real] :  ! [v3: $real] : (v1 = v0 |  ~ (real_$lesseq(v3, v2) = v1) |  ~
% 8.72/1.98      (real_$lesseq(v3, v2) = v0)) &  ! [v0: $real] :  ! [v1: $real] :  ! [v2:
% 8.72/1.98      $real] :  ! [v3: $real] : (v1 = v0 |  ~ (real_$product(v3, v2) = v1) |  ~
% 8.72/1.98      (real_$product(v3, v2) = v0)) &  ! [v0: MultipleValueBool] :  ! [v1:
% 8.72/1.98      MultipleValueBool] :  ! [v2: $real] : (v1 = v0 |  ~ (real_$is_int(v2) = v1)
% 8.72/1.98      |  ~ (real_$is_int(v2) = v0)) &  ! [v0: MultipleValueBool] :  ! [v1:
% 8.72/1.98      MultipleValueBool] :  ! [v2: $real] : (v1 = v0 |  ~ (real_$is_rat(v2) = v1)
% 8.72/1.98      |  ~ (real_$is_rat(v2) = v0)) &  ! [v0: $real] :  ! [v1: $real] :  ! [v2:
% 8.72/1.98      $real] : (v1 = v0 |  ~ (real_$floor(v2) = v1) |  ~ (real_$floor(v2) = v0)) &
% 8.72/1.98     ! [v0: $real] :  ! [v1: $real] :  ! [v2: $real] : (v1 = v0 |  ~
% 8.72/1.98      (real_$ceiling(v2) = v1) |  ~ (real_$ceiling(v2) = v0)) &  ! [v0: $real] : 
% 8.72/1.98    ! [v1: $real] :  ! [v2: $real] : (v1 = v0 |  ~ (real_$truncate(v2) = v1) |  ~
% 8.72/1.98      (real_$truncate(v2) = v0)) &  ! [v0: $real] :  ! [v1: $real] :  ! [v2:
% 8.72/1.98      $real] : (v1 = v0 |  ~ (real_$round(v2) = v1) |  ~ (real_$round(v2) = v0)) &
% 8.72/1.98     ! [v0: int] :  ! [v1: int] :  ! [v2: $real] : (v1 = v0 |  ~ (real_$to_int(v2)
% 8.72/1.98        = v1) |  ~ (real_$to_int(v2) = v0)) &  ! [v0: $rat] :  ! [v1: $rat] :  !
% 8.72/1.98    [v2: $real] : (v1 = v0 |  ~ (real_$to_rat(v2) = v1) |  ~ (real_$to_rat(v2) =
% 8.72/1.98        v0)) &  ! [v0: $real] :  ! [v1: $real] :  ! [v2: $real] : (v1 = v0 |  ~
% 8.72/1.98      (real_$to_real(v2) = v1) |  ~ (real_$to_real(v2) = v0)) &  ! [v0: $real] : 
% 8.72/1.98    ! [v1: $real] :  ! [v2: int] : (v1 = v0 |  ~ (int_$to_real(v2) = v1) |  ~
% 8.72/1.98      (int_$to_real(v2) = v0)) &  ! [v0: $real] :  ! [v1: $real] :  ! [v2: $real]
% 8.72/1.98    : (v1 = v0 |  ~ (real_$uminus(v2) = v1) |  ~ (real_$uminus(v2) = v0)) &  !
% 8.72/1.98    [v0: $real] :  ! [v1: $real] :  ! [v2: $real] : (v1 = v0 |  ~ (sqrt(v2) = v1)
% 8.72/1.98      |  ~ (sqrt(v2) = v0)) &  ! [v0: $real] :  ! [v1: $real] :  ! [v2: $real] :
% 8.72/1.98    (v1 = v0 |  ~ (sqr(v2) = v1) |  ~ (sqr(v2) = v0))
% 8.72/1.98  
% 8.72/1.98  Further assumptions not needed in the proof:
% 8.72/1.98  --------------------------------------------
% 8.72/1.98  sqr_def, sqrt_le, sqrt_mul
% 8.72/1.98  
% 8.72/1.98  Those formulas are unsatisfiable:
% 8.72/1.98  ---------------------------------
% 8.72/1.98  
% 8.72/1.98  Begin of proof
% 8.72/1.99  | 
% 8.72/1.99  | ALPHA: (function-axioms) implies:
% 8.72/1.99  |   (1)   ! [v0: $real] :  ! [v1: $real] :  ! [v2: $real] : (v1 = v0 |  ~
% 8.72/1.99  |          (sqrt(v2) = v1) |  ~ (sqrt(v2) = v0))
% 8.72/1.99  |   (2)   ! [v0: $real] :  ! [v1: $real] :  ! [v2: $real] :  ! [v3: $real] : (v1
% 8.72/1.99  |          = v0 |  ~ (real_$product(v3, v2) = v1) |  ~ (real_$product(v3, v2) =
% 8.72/1.99  |            v0))
% 8.72/1.99  | 
% 8.72/1.99  | ALPHA: (input) implies:
% 8.72/1.99  |   (3)  real_$product(real_0, real_0) = real_0
% 8.72/1.99  |   (4)  real_$lesseq(real_0, real_0) = 0
% 8.72/1.99  | 
% 8.72/1.99  | DELTA: instantiating (sqrt_zero) with fresh symbol all_11_0 gives:
% 8.72/1.99  |   (5)   ~ (all_11_0 = real_0) & sqrt(real_0) = all_11_0
% 8.72/1.99  | 
% 8.72/1.99  | ALPHA: (5) implies:
% 8.72/1.99  |   (6)   ~ (all_11_0 = real_0)
% 8.72/1.99  |   (7)  sqrt(real_0) = all_11_0
% 8.72/1.99  | 
% 8.72/1.99  | GROUND_INST: instantiating (square_sqrt) with real_0, simplifying with (4)
% 8.72/1.99  |              gives:
% 8.72/1.99  |   (8)   ? [v0: $real] : (sqrt(v0) = real_0 & real_$product(real_0, real_0) =
% 8.72/1.99  |          v0)
% 8.72/1.99  | 
% 8.72/1.99  | GROUND_INST: instantiating (sqrt_positive) with real_0, simplifying with (4)
% 8.72/1.99  |              gives:
% 8.72/1.99  |   (9)   ? [v0: $real] : (sqrt(real_0) = v0 & real_$lesseq(real_0, v0) = 0)
% 8.72/1.99  | 
% 8.72/1.99  | GROUND_INST: instantiating (sqrt_square) with real_0, simplifying with (4)
% 8.72/1.99  |              gives:
% 8.72/1.99  |   (10)   ? [v0: $real] : (sqrt(real_0) = v0 & sqr(v0) = real_0)
% 8.72/1.99  | 
% 8.72/1.99  | DELTA: instantiating (10) with fresh symbol all_25_0 gives:
% 8.72/1.99  |   (11)  sqrt(real_0) = all_25_0 & sqr(all_25_0) = real_0
% 8.72/1.99  | 
% 9.12/1.99  | ALPHA: (11) implies:
% 9.12/1.99  |   (12)  sqrt(real_0) = all_25_0
% 9.12/1.99  | 
% 9.12/1.99  | DELTA: instantiating (9) with fresh symbol all_27_0 gives:
% 9.12/1.99  |   (13)  sqrt(real_0) = all_27_0 & real_$lesseq(real_0, all_27_0) = 0
% 9.12/1.99  | 
% 9.12/1.99  | ALPHA: (13) implies:
% 9.12/1.99  |   (14)  sqrt(real_0) = all_27_0
% 9.12/1.99  | 
% 9.12/1.99  | DELTA: instantiating (8) with fresh symbol all_31_0 gives:
% 9.12/2.00  |   (15)  sqrt(all_31_0) = real_0 & real_$product(real_0, real_0) = all_31_0
% 9.12/2.00  | 
% 9.12/2.00  | ALPHA: (15) implies:
% 9.12/2.00  |   (16)  real_$product(real_0, real_0) = all_31_0
% 9.12/2.00  |   (17)  sqrt(all_31_0) = real_0
% 9.12/2.00  | 
% 9.12/2.00  | GROUND_INST: instantiating (2) with real_0, all_31_0, real_0, real_0,
% 9.12/2.00  |              simplifying with (3), (16) gives:
% 9.12/2.00  |   (18)  all_31_0 = real_0
% 9.12/2.00  | 
% 9.12/2.00  | GROUND_INST: instantiating (1) with all_11_0, all_27_0, real_0, simplifying
% 9.12/2.00  |              with (7), (14) gives:
% 9.12/2.00  |   (19)  all_27_0 = all_11_0
% 9.12/2.00  | 
% 9.12/2.00  | GROUND_INST: instantiating (1) with all_25_0, all_27_0, real_0, simplifying
% 9.12/2.00  |              with (12), (14) gives:
% 9.12/2.00  |   (20)  all_27_0 = all_25_0
% 9.12/2.00  | 
% 9.12/2.00  | COMBINE_EQS: (19), (20) imply:
% 9.12/2.00  |   (21)  all_25_0 = all_11_0
% 9.12/2.00  | 
% 9.12/2.00  | SIMP: (21) implies:
% 9.12/2.00  |   (22)  all_25_0 = all_11_0
% 9.12/2.00  | 
% 9.12/2.00  | REDUCE: (17), (18) imply:
% 9.12/2.00  |   (23)  sqrt(real_0) = real_0
% 9.12/2.00  | 
% 9.12/2.00  | GROUND_INST: instantiating (1) with all_11_0, real_0, real_0, simplifying with
% 9.12/2.00  |              (7), (23) gives:
% 9.12/2.00  |   (24)  all_11_0 = real_0
% 9.12/2.00  | 
% 9.12/2.00  | REDUCE: (6), (24) imply:
% 9.12/2.00  |   (25)  $false
% 9.12/2.00  | 
% 9.12/2.00  | CLOSE: (25) is inconsistent.
% 9.12/2.00  | 
% 9.12/2.00  End of proof
% 9.12/2.00  % SZS output end Proof for theBenchmark
% 9.12/2.00  
% 9.12/2.00  1348ms
%------------------------------------------------------------------------------