TSTP Solution File: HEN004-3 by Vampire---4.8

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Vampire---4.8
% Problem  : HEN004-3 : TPTP v8.1.2. Released v1.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : vampire --input_syntax tptp --proof tptp --output_axiom_names on --mode portfolio --schedule file --schedule_file /export/starexec/sandbox2/solver/bin/quickGreedyProduceRating_steal_pow3.txt --cores 8 -m 12000 -t %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 May  1 02:33:22 EDT 2024

% Result   : Unsatisfiable 0.68s 0.87s
% Output   : Refutation 0.68s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   14
%            Number of leaves      :    9
% Syntax   : Number of formulae    :   39 (  16 unt;   0 def)
%            Number of atoms       :   66 (  19 equ)
%            Maximal formula atoms :    3 (   1 avg)
%            Number of connectives :   57 (  30   ~;  26   |;   0   &)
%                                         (   1 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    6 (   3 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of predicates  :    4 (   2 usr;   2 prp; 0-2 aty)
%            Number of functors    :    4 (   4 usr;   3 con; 0-2 aty)
%            Number of variables   :   22 (  22   !;   0   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f934,plain,
    $false,
    inference(avatar_sat_refutation,[],[f569,f920]) ).

fof(f920,plain,
    ~ spl1_6,
    inference(avatar_contradiction_clause,[],[f919]) ).

fof(f919,plain,
    ( $false
    | ~ spl1_6 ),
    inference(subsumption_resolution,[],[f909,f32]) ).

fof(f32,plain,
    ~ less_equal(a,sF0),
    inference(subsumption_resolution,[],[f31,f10]) ).

fof(f10,plain,
    a != sF0,
    inference(definition_folding,[],[f8,f9]) ).

fof(f9,plain,
    divide(a,zero) = sF0,
    introduced(function_definition,[new_symbols(definition,[sF0])]) ).

fof(f8,axiom,
    a != divide(a,zero),
    file('/export/starexec/sandbox2/tmp/tmp.eJLGxawjb1/Vampire---4.8_21734',prove_x_divide_zero_is_x) ).

fof(f31,plain,
    ( a = sF0
    | ~ less_equal(a,sF0) ),
    inference(resolution,[],[f6,f11]) ).

fof(f11,plain,
    less_equal(sF0,a),
    inference(superposition,[],[f3,f9]) ).

fof(f3,axiom,
    ! [X0,X1] : less_equal(divide(X0,X1),X0),
    file('/export/starexec/sandbox2/tmp/tmp.eJLGxawjb1/Vampire---4.8_21734',quotient_smaller_than_numerator) ).

fof(f6,axiom,
    ! [X0,X1] :
      ( ~ less_equal(X1,X0)
      | X0 = X1
      | ~ less_equal(X0,X1) ),
    file('/export/starexec/sandbox2/tmp/tmp.eJLGxawjb1/Vampire---4.8_21734',less_equal_and_equal) ).

fof(f909,plain,
    ( less_equal(a,sF0)
    | ~ spl1_6 ),
    inference(trivial_inequality_removal,[],[f885]) ).

fof(f885,plain,
    ( zero != zero
    | less_equal(a,sF0)
    | ~ spl1_6 ),
    inference(superposition,[],[f2,f837]) ).

fof(f837,plain,
    ( zero = divide(a,sF0)
    | ~ spl1_6 ),
    inference(resolution,[],[f804,f29]) ).

fof(f29,plain,
    ! [X0] :
      ( ~ less_equal(X0,zero)
      | zero = X0 ),
    inference(resolution,[],[f6,f5]) ).

fof(f5,axiom,
    ! [X0] : less_equal(zero,X0),
    file('/export/starexec/sandbox2/tmp/tmp.eJLGxawjb1/Vampire---4.8_21734',zero_is_smallest) ).

fof(f804,plain,
    ( less_equal(divide(a,sF0),zero)
    | ~ spl1_6 ),
    inference(trivial_inequality_removal,[],[f780]) ).

fof(f780,plain,
    ( zero != zero
    | less_equal(divide(a,sF0),zero)
    | ~ spl1_6 ),
    inference(superposition,[],[f2,f726]) ).

fof(f726,plain,
    ( zero = divide(divide(a,sF0),zero)
    | ~ spl1_6 ),
    inference(subsumption_resolution,[],[f718,f5]) ).

fof(f718,plain,
    ( ~ less_equal(zero,divide(divide(a,sF0),zero))
    | zero = divide(divide(a,sF0),zero)
    | ~ spl1_6 ),
    inference(superposition,[],[f117,f651]) ).

fof(f651,plain,
    ( zero = divide(sF0,sF0)
    | ~ spl1_6 ),
    inference(resolution,[],[f102,f29]) ).

fof(f102,plain,
    ( less_equal(divide(sF0,sF0),zero)
    | ~ spl1_6 ),
    inference(avatar_component_clause,[],[f100]) ).

fof(f100,plain,
    ( spl1_6
  <=> less_equal(divide(sF0,sF0),zero) ),
    introduced(avatar_definition,[new_symbols(naming,[spl1_6])]) ).

fof(f117,plain,
    ! [X0] :
      ( ~ less_equal(divide(sF0,X0),divide(divide(a,X0),zero))
      | divide(divide(a,X0),zero) = divide(sF0,X0) ),
    inference(forward_demodulation,[],[f116,f43]) ).

fof(f43,plain,
    ! [X0] : zero = divide(zero,X0),
    inference(resolution,[],[f29,f3]) ).

fof(f116,plain,
    ! [X0] :
      ( divide(divide(a,X0),zero) = divide(sF0,X0)
      | ~ less_equal(divide(sF0,X0),divide(divide(a,X0),divide(zero,X0))) ),
    inference(forward_demodulation,[],[f109,f43]) ).

fof(f109,plain,
    ! [X0] :
      ( divide(divide(a,X0),divide(zero,X0)) = divide(sF0,X0)
      | ~ less_equal(divide(sF0,X0),divide(divide(a,X0),divide(zero,X0))) ),
    inference(resolution,[],[f39,f6]) ).

fof(f39,plain,
    ! [X0] : less_equal(divide(divide(a,X0),divide(zero,X0)),divide(sF0,X0)),
    inference(superposition,[],[f4,f9]) ).

fof(f4,axiom,
    ! [X2,X0,X1] : less_equal(divide(divide(X0,X2),divide(X1,X2)),divide(divide(X0,X1),X2)),
    file('/export/starexec/sandbox2/tmp/tmp.eJLGxawjb1/Vampire---4.8_21734',quotient_property) ).

fof(f2,axiom,
    ! [X0,X1] :
      ( divide(X0,X1) != zero
      | less_equal(X0,X1) ),
    file('/export/starexec/sandbox2/tmp/tmp.eJLGxawjb1/Vampire---4.8_21734',quotient_less_equal2) ).

fof(f569,plain,
    spl1_6,
    inference(avatar_split_clause,[],[f568,f100]) ).

fof(f568,plain,
    less_equal(divide(sF0,sF0),zero),
    inference(forward_demodulation,[],[f567,f9]) ).

fof(f567,plain,
    less_equal(divide(divide(a,zero),sF0),zero),
    inference(subsumption_resolution,[],[f524,f11]) ).

fof(f524,plain,
    ( less_equal(divide(divide(a,zero),sF0),zero)
    | ~ less_equal(sF0,a) ),
    inference(superposition,[],[f36,f218]) ).

fof(f218,plain,
    ! [X0] :
      ( zero = divide(divide(a,X0),zero)
      | ~ less_equal(sF0,X0) ),
    inference(resolution,[],[f120,f29]) ).

fof(f120,plain,
    ! [X0] :
      ( less_equal(divide(divide(a,X0),zero),zero)
      | ~ less_equal(sF0,X0) ),
    inference(forward_demodulation,[],[f115,f43]) ).

fof(f115,plain,
    ! [X0] :
      ( less_equal(divide(divide(a,X0),divide(zero,X0)),zero)
      | ~ less_equal(sF0,X0) ),
    inference(superposition,[],[f39,f1]) ).

fof(f1,axiom,
    ! [X0,X1] :
      ( divide(X0,X1) = zero
      | ~ less_equal(X0,X1) ),
    file('/export/starexec/sandbox2/tmp/tmp.eJLGxawjb1/Vampire---4.8_21734',quotient_less_equal1) ).

fof(f36,plain,
    ! [X0] : less_equal(divide(divide(X0,zero),sF0),divide(divide(X0,a),zero)),
    inference(superposition,[],[f4,f9]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.13  % Problem    : HEN004-3 : TPTP v8.1.2. Released v1.0.0.
% 0.07/0.15  % Command    : vampire --input_syntax tptp --proof tptp --output_axiom_names on --mode portfolio --schedule file --schedule_file /export/starexec/sandbox2/solver/bin/quickGreedyProduceRating_steal_pow3.txt --cores 8 -m 12000 -t %d %s
% 0.16/0.36  % Computer : n007.cluster.edu
% 0.16/0.36  % Model    : x86_64 x86_64
% 0.16/0.36  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.16/0.36  % Memory   : 8042.1875MB
% 0.16/0.36  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.16/0.36  % CPULimit   : 300
% 0.16/0.36  % WCLimit    : 300
% 0.16/0.36  % DateTime   : Tue Apr 30 16:22:48 EDT 2024
% 0.16/0.36  % CPUTime    : 
% 0.16/0.36  This is a CNF_UNS_RFO_SEQ_HRN problem
% 0.16/0.36  Running vampire --input_syntax tptp --proof tptp --output_axiom_names on --mode portfolio --schedule file --schedule_file /export/starexec/sandbox2/solver/bin/quickGreedyProduceRating_steal_pow3.txt --cores 8 -m 12000 -t 300 /export/starexec/sandbox2/tmp/tmp.eJLGxawjb1/Vampire---4.8_21734
% 0.68/0.84  % (21943)lrs+1011_461:32768_sil=16000:irw=on:sp=frequency:lsd=20:fd=preordered:nwc=10.0:s2agt=32:alpa=false:cond=fast:s2a=on:i=51:s2at=3.0:awrs=decay:awrsf=691:bd=off:nm=20:fsr=off:amm=sco:uhcvi=on:rawr=on_0 on Vampire---4 for (2995ds/51Mi)
% 0.68/0.84  % (21949)lrs-21_1:1_to=lpo:sil=2000:sp=frequency:sos=on:lma=on:i=56:sd=2:ss=axioms:ep=R_0 on Vampire---4 for (2995ds/56Mi)
% 0.68/0.84  % (21949)Refutation not found, incomplete strategy% (21949)------------------------------
% 0.68/0.84  % (21949)Version: Vampire 4.8 (commit 8e9376e55 on 2024-01-18 13:49:33 +0100)
% 0.68/0.84  % (21949)Termination reason: Refutation not found, incomplete strategy
% 0.68/0.84  
% 0.68/0.84  % (21949)Memory used [KB]: 958
% 0.68/0.84  % (21949)Time elapsed: 0.001 s
% 0.68/0.84  % (21949)Instructions burned: 2 (million)
% 0.68/0.84  % (21949)------------------------------
% 0.68/0.84  % (21949)------------------------------
% 0.68/0.84  % (21942)dis-1011_2:1_sil=2000:lsd=20:nwc=5.0:flr=on:mep=off:st=3.0:i=34:sd=1:ep=RS:ss=axioms_0 on Vampire---4 for (2995ds/34Mi)
% 0.68/0.84  % (21944)lrs+1011_1:1_sil=8000:sp=occurrence:nwc=10.0:i=78:ss=axioms:sgt=8_0 on Vampire---4 for (2995ds/78Mi)
% 0.68/0.84  % (21945)ott+1011_1:1_sil=2000:urr=on:i=33:sd=1:kws=inv_frequency:ss=axioms:sup=off_0 on Vampire---4 for (2995ds/33Mi)
% 0.68/0.84  % (21946)lrs+2_1:1_sil=16000:fde=none:sos=all:nwc=5.0:i=34:ep=RS:s2pl=on:lma=on:afp=100000_0 on Vampire---4 for (2995ds/34Mi)
% 0.68/0.84  % (21947)lrs+1002_1:16_to=lpo:sil=32000:sp=unary_frequency:sos=on:i=45:bd=off:ss=axioms_0 on Vampire---4 for (2995ds/45Mi)
% 0.68/0.84  % (21948)lrs+21_1:5_sil=2000:sos=on:urr=on:newcnf=on:slsq=on:i=83:slsql=off:bd=off:nm=2:ss=axioms:st=1.5:sp=const_min:gsp=on:rawr=on_0 on Vampire---4 for (2995ds/83Mi)
% 0.68/0.84  % (21946)Refutation not found, incomplete strategy% (21946)------------------------------
% 0.68/0.84  % (21946)Version: Vampire 4.8 (commit 8e9376e55 on 2024-01-18 13:49:33 +0100)
% 0.68/0.84  % (21946)Termination reason: Refutation not found, incomplete strategy
% 0.68/0.84  
% 0.68/0.84  % (21946)Memory used [KB]: 971
% 0.68/0.84  % (21946)Time elapsed: 0.002 s
% 0.68/0.84  % (21942)Refutation not found, incomplete strategy% (21942)------------------------------
% 0.68/0.84  % (21942)Version: Vampire 4.8 (commit 8e9376e55 on 2024-01-18 13:49:33 +0100)
% 0.68/0.84  % (21946)Instructions burned: 2 (million)
% 0.68/0.84  % (21946)------------------------------
% 0.68/0.84  % (21946)------------------------------
% 0.68/0.84  % (21942)Termination reason: Refutation not found, incomplete strategy
% 0.68/0.84  
% 0.68/0.84  % (21942)Memory used [KB]: 988
% 0.68/0.84  % (21942)Time elapsed: 0.003 s
% 0.68/0.84  % (21942)Instructions burned: 2 (million)
% 0.68/0.84  % (21942)------------------------------
% 0.68/0.84  % (21942)------------------------------
% 0.68/0.84  % (21947)Refutation not found, incomplete strategy% (21947)------------------------------
% 0.68/0.84  % (21947)Version: Vampire 4.8 (commit 8e9376e55 on 2024-01-18 13:49:33 +0100)
% 0.68/0.84  % (21947)Termination reason: Refutation not found, incomplete strategy
% 0.68/0.84  
% 0.68/0.84  % (21947)Memory used [KB]: 973
% 0.68/0.84  % (21947)Time elapsed: 0.003 s
% 0.68/0.84  % (21947)Instructions burned: 2 (million)
% 0.68/0.84  % (21947)------------------------------
% 0.68/0.84  % (21947)------------------------------
% 0.68/0.84  % (21950)lrs+21_1:16_sil=2000:sp=occurrence:urr=on:flr=on:i=55:sd=1:nm=0:ins=3:ss=included:rawr=on:br=off_0 on Vampire---4 for (2995ds/55Mi)
% 0.68/0.85  % (21951)dis+3_25:4_sil=16000:sos=all:erd=off:i=50:s2at=4.0:bd=off:nm=60:sup=off:cond=on:av=off:ins=2:nwc=10.0:etr=on:to=lpo:s2agt=20:fd=off:bsr=unit_only:slsq=on:slsqr=28,19:awrs=converge:awrsf=500:tgt=ground:bs=unit_only_0 on Vampire---4 for (2995ds/50Mi)
% 0.68/0.85  % (21952)lrs+1010_1:2_sil=4000:tgt=ground:nwc=10.0:st=2.0:i=208:sd=1:bd=off:ss=axioms_0 on Vampire---4 for (2995ds/208Mi)
% 0.68/0.85  % (21953)lrs-1011_1:1_sil=4000:plsq=on:plsqr=32,1:sp=frequency:plsql=on:nwc=10.0:i=52:aac=none:afr=on:ss=axioms:er=filter:sgt=16:rawr=on:etr=on:lma=on_0 on Vampire---4 for (2995ds/52Mi)
% 0.68/0.85  % (21951)Refutation not found, incomplete strategy% (21951)------------------------------
% 0.68/0.85  % (21951)Version: Vampire 4.8 (commit 8e9376e55 on 2024-01-18 13:49:33 +0100)
% 0.68/0.85  % (21951)Termination reason: Refutation not found, incomplete strategy
% 0.68/0.85  
% 0.68/0.85  % (21951)Memory used [KB]: 959
% 0.68/0.85  % (21951)Time elapsed: 0.002 s
% 0.68/0.85  % (21951)Instructions burned: 2 (million)
% 0.68/0.85  % (21951)------------------------------
% 0.68/0.85  % (21951)------------------------------
% 0.68/0.85  % (21954)lrs-1010_1:1_to=lpo:sil=2000:sp=reverse_arity:sos=on:urr=ec_only:i=518:sd=2:bd=off:ss=axioms:sgt=16_0 on Vampire---4 for (2995ds/518Mi)
% 0.68/0.85  % (21954)Refutation not found, incomplete strategy% (21954)------------------------------
% 0.68/0.85  % (21954)Version: Vampire 4.8 (commit 8e9376e55 on 2024-01-18 13:49:33 +0100)
% 0.68/0.85  % (21954)Termination reason: Refutation not found, incomplete strategy
% 0.68/0.85  
% 0.68/0.85  % (21954)Memory used [KB]: 974
% 0.68/0.85  % (21954)Time elapsed: 0.004 s
% 0.68/0.85  % (21954)Instructions burned: 2 (million)
% 0.68/0.85  % (21954)------------------------------
% 0.68/0.85  % (21954)------------------------------
% 0.68/0.85  % (21945)Instruction limit reached!
% 0.68/0.85  % (21945)------------------------------
% 0.68/0.85  % (21945)Version: Vampire 4.8 (commit 8e9376e55 on 2024-01-18 13:49:33 +0100)
% 0.68/0.85  % (21945)Termination reason: Unknown
% 0.68/0.85  % (21945)Termination phase: Saturation
% 0.68/0.85  
% 0.68/0.85  % (21945)Memory used [KB]: 1191
% 0.68/0.85  % (21945)Time elapsed: 0.015 s
% 0.68/0.85  % (21945)Instructions burned: 33 (million)
% 0.68/0.85  % (21945)------------------------------
% 0.68/0.85  % (21945)------------------------------
% 0.68/0.86  % (21943)Instruction limit reached!
% 0.68/0.86  % (21943)------------------------------
% 0.68/0.86  % (21943)Version: Vampire 4.8 (commit 8e9376e55 on 2024-01-18 13:49:33 +0100)
% 0.68/0.86  % (21943)Termination reason: Unknown
% 0.68/0.86  % (21943)Termination phase: Saturation
% 0.68/0.86  
% 0.68/0.86  % (21943)Memory used [KB]: 1266
% 0.68/0.86  % (21943)Time elapsed: 0.018 s
% 0.68/0.86  % (21943)Instructions burned: 53 (million)
% 0.68/0.86  % (21943)------------------------------
% 0.68/0.86  % (21943)------------------------------
% 0.68/0.86  % (21956)lrs+1011_87677:1048576_sil=8000:sos=on:spb=non_intro:nwc=10.0:kmz=on:i=42:ep=RS:nm=0:ins=1:uhcvi=on:rawr=on:fde=unused:afp=2000:afq=1.444:plsq=on:nicw=on_0 on Vampire---4 for (2995ds/42Mi)
% 0.68/0.86  % (21958)dis+1011_1258907:1048576_bsr=unit_only:to=lpo:drc=off:sil=2000:tgt=full:fde=none:sp=frequency:spb=goal:rnwc=on:nwc=6.70083:sac=on:newcnf=on:st=2:i=243:bs=unit_only:sd=3:afp=300:awrs=decay:awrsf=218:nm=16:ins=3:afq=3.76821:afr=on:ss=axioms:sgt=5:rawr=on:add=off:bsd=on_0 on Vampire---4 for (2995ds/243Mi)
% 0.68/0.86  % (21956)Refutation not found, incomplete strategy% (21956)------------------------------
% 0.68/0.86  % (21956)Version: Vampire 4.8 (commit 8e9376e55 on 2024-01-18 13:49:33 +0100)
% 0.68/0.86  % (21956)Termination reason: Refutation not found, incomplete strategy
% 0.68/0.86  
% 0.68/0.86  % (21956)Memory used [KB]: 958
% 0.68/0.86  % (21956)Time elapsed: 0.002 s
% 0.68/0.86  % (21956)Instructions burned: 2 (million)
% 0.68/0.86  % (21956)------------------------------
% 0.68/0.86  % (21956)------------------------------
% 0.68/0.86  % (21950)Instruction limit reached!
% 0.68/0.86  % (21950)------------------------------
% 0.68/0.86  % (21950)Version: Vampire 4.8 (commit 8e9376e55 on 2024-01-18 13:49:33 +0100)
% 0.68/0.86  % (21950)Termination reason: Unknown
% 0.68/0.86  % (21950)Termination phase: Saturation
% 0.68/0.86  
% 0.68/0.86  % (21950)Memory used [KB]: 1542
% 0.68/0.86  % (21950)Time elapsed: 0.018 s
% 0.68/0.86  % (21950)Instructions burned: 57 (million)
% 0.68/0.86  % (21950)------------------------------
% 0.68/0.86  % (21950)------------------------------
% 0.68/0.86  % (21959)lrs+1011_2:9_sil=2000:lsd=10:newcnf=on:i=117:sd=2:awrs=decay:ss=included:amm=off:ep=R_0 on Vampire---4 for (2995ds/117Mi)
% 0.68/0.86  % (21959)Refutation not found, incomplete strategy% (21959)------------------------------
% 0.68/0.86  % (21959)Version: Vampire 4.8 (commit 8e9376e55 on 2024-01-18 13:49:33 +0100)
% 0.68/0.86  % (21959)Termination reason: Refutation not found, incomplete strategy
% 0.68/0.86  
% 0.68/0.86  % (21959)Memory used [KB]: 973
% 0.68/0.86  % (21959)Time elapsed: 0.002 s
% 0.68/0.86  % (21959)Instructions burned: 2 (million)
% 0.68/0.86  % (21959)------------------------------
% 0.68/0.86  % (21959)------------------------------
% 0.68/0.86  % (21962)lrs+1011_1:2_to=lpo:sil=8000:plsqc=1:plsq=on:plsqr=326,59:sp=weighted_frequency:plsql=on:nwc=10.0:newcnf=on:i=93:awrs=converge:awrsf=200:bd=off:ins=1:rawr=on:alpa=false:avsq=on:avsqr=1,16_0 on Vampire---4 for (2995ds/93Mi)
% 0.68/0.86  % (21961)dis+1011_11:1_sil=2000:avsq=on:i=143:avsqr=1,16:ep=RS:rawr=on:aac=none:lsd=100:mep=off:fde=none:newcnf=on:bsr=unit_only_0 on Vampire---4 for (2995ds/143Mi)
% 0.68/0.86  % (21961)Refutation not found, incomplete strategy% (21961)------------------------------
% 0.68/0.86  % (21961)Version: Vampire 4.8 (commit 8e9376e55 on 2024-01-18 13:49:33 +0100)
% 0.68/0.86  % (21961)Termination reason: Refutation not found, incomplete strategy
% 0.68/0.86  
% 0.68/0.86  % (21961)Memory used [KB]: 973
% 0.68/0.86  % (21961)Time elapsed: 0.003 s
% 0.68/0.86  % (21961)Instructions burned: 2 (million)
% 0.68/0.86  % (21961)------------------------------
% 0.68/0.86  % (21961)------------------------------
% 0.68/0.87  % (21964)lrs+1666_1:1_sil=4000:sp=occurrence:sos=on:urr=on:newcnf=on:i=62:amm=off:ep=R:erd=off:nm=0:plsq=on:plsqr=14,1_0 on Vampire---4 for (2995ds/62Mi)
% 0.68/0.87  % (21952)First to succeed.
% 0.68/0.87  % (21952)Refutation found. Thanks to Tanya!
% 0.68/0.87  % SZS status Unsatisfiable for Vampire---4
% 0.68/0.87  % SZS output start Proof for Vampire---4
% See solution above
% 0.68/0.87  % (21952)------------------------------
% 0.68/0.87  % (21952)Version: Vampire 4.8 (commit 8e9376e55 on 2024-01-18 13:49:33 +0100)
% 0.68/0.87  % (21952)Termination reason: Refutation
% 0.68/0.87  
% 0.68/0.87  % (21952)Memory used [KB]: 1237
% 0.68/0.87  % (21952)Time elapsed: 0.023 s
% 0.68/0.87  % (21952)Instructions burned: 35 (million)
% 0.68/0.87  % (21952)------------------------------
% 0.68/0.87  % (21952)------------------------------
% 0.68/0.87  % (21897)Success in time 0.49 s
% 0.68/0.87  % Vampire---4.8 exiting
%------------------------------------------------------------------------------