TSTP Solution File: SET157-6 by SnakeForV-SAT---1.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SnakeForV-SAT---1.0
% Problem  : SET157-6 : TPTP v8.1.0. Bugfixed v2.1.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : vampire --input_syntax tptp --proof tptp --output_axiom_names on --mode portfolio --schedule snake_tptp_sat --cores 0 -t %d %s

% Computer : n024.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 31 18:23:59 EDT 2022

% Result   : Unsatisfiable 0.18s 0.56s
% Output   : Refutation 0.18s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   12
%            Number of leaves      :   13
% Syntax   : Number of formulae    :   47 (  12 unt;   0 def)
%            Number of atoms       :   91 (  12 equ)
%            Maximal formula atoms :    3 (   1 avg)
%            Number of connectives :   92 (  48   ~;  44   |;   0   &)
%                                         (   0 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    7 (   3 avg)
%            Maximal term depth    :    4 (   1 avg)
%            Number of predicates  :    4 (   2 usr;   1 prp; 0-2 aty)
%            Number of functors    :    9 (   9 usr;   4 con; 0-2 aty)
%            Number of variables   :   32 (  32   !;   0   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f385,plain,
    $false,
    inference(subsumption_resolution,[],[f382,f316]) ).

fof(f316,plain,
    member(not_subclass_element(complement(x),y),complement(x)),
    inference(subsumption_resolution,[],[f313,f287]) ).

fof(f287,plain,
    ( member(not_subclass_element(y,complement(x)),x)
    | member(not_subclass_element(complement(x),y),complement(x)) ),
    inference(subsumption_resolution,[],[f283,f247]) ).

fof(f247,plain,
    ( member(not_subclass_element(y,complement(x)),universal_class)
    | member(not_subclass_element(complement(x),y),complement(x)) ),
    inference(resolution,[],[f243,f199]) ).

fof(f199,plain,
    ! [X0,X1] :
      ( ~ member(X0,X1)
      | member(X0,universal_class) ),
    inference(resolution,[],[f1,f4]) ).

fof(f4,axiom,
    ! [X0] : subclass(X0,universal_class),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',class_elements_are_sets) ).

fof(f1,axiom,
    ! [X2,X0,X1] :
      ( ~ subclass(X0,X1)
      | ~ member(X2,X0)
      | member(X2,X1) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',subclass_members) ).

fof(f243,plain,
    ( member(not_subclass_element(y,complement(x)),y)
    | member(not_subclass_element(complement(x),y),complement(x)) ),
    inference(resolution,[],[f241,f2]) ).

fof(f2,axiom,
    ! [X0,X1] :
      ( subclass(X0,X1)
      | member(not_subclass_element(X0,X1),X0) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',not_subclass_members1) ).

fof(f241,plain,
    ( ~ subclass(complement(x),y)
    | member(not_subclass_element(y,complement(x)),y) ),
    inference(resolution,[],[f224,f2]) ).

fof(f224,plain,
    ( ~ subclass(y,complement(x))
    | ~ subclass(complement(x),y) ),
    inference(extensionality_resolution,[],[f7,f115]) ).

fof(f115,axiom,
    y != complement(x),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_complement_is_unique_3) ).

fof(f7,axiom,
    ! [X0,X1] :
      ( ~ subclass(X1,X0)
      | ~ subclass(X0,X1)
      | X0 = X1 ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',subclass_implies_equal) ).

fof(f283,plain,
    ( member(not_subclass_element(complement(x),y),complement(x))
    | ~ member(not_subclass_element(y,complement(x)),universal_class)
    | member(not_subclass_element(y,complement(x)),x) ),
    inference(resolution,[],[f25,f245]) ).

fof(f245,plain,
    ( ~ member(not_subclass_element(y,complement(x)),complement(x))
    | member(not_subclass_element(complement(x),y),complement(x)) ),
    inference(resolution,[],[f240,f2]) ).

fof(f240,plain,
    ( ~ subclass(complement(x),y)
    | ~ member(not_subclass_element(y,complement(x)),complement(x)) ),
    inference(resolution,[],[f224,f3]) ).

fof(f3,axiom,
    ! [X0,X1] :
      ( subclass(X0,X1)
      | ~ member(not_subclass_element(X0,X1),X1) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',not_subclass_members2) ).

fof(f25,axiom,
    ! [X0,X4] :
      ( member(X4,complement(X0))
      | member(X4,X0)
      | ~ member(X4,universal_class) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',complement2) ).

fof(f313,plain,
    ( member(not_subclass_element(complement(x),y),complement(x))
    | ~ member(not_subclass_element(y,complement(x)),x) ),
    inference(resolution,[],[f309,f243]) ).

fof(f309,plain,
    ! [X4] :
      ( ~ member(X4,y)
      | ~ member(X4,x) ),
    inference(subsumption_resolution,[],[f308,f278]) ).

fof(f278,plain,
    ! [X0] : ~ member(X0,null_class),
    inference(subsumption_resolution,[],[f274,f199]) ).

fof(f274,plain,
    ! [X0] :
      ( ~ member(X0,universal_class)
      | ~ member(X0,null_class) ),
    inference(backward_demodulation,[],[f185,f273]) ).

fof(f273,plain,
    null_class = intersection(complement(x),complement(y)),
    inference(duplicate_literal_removal,[],[f269]) ).

fof(f269,plain,
    ( null_class = intersection(complement(x),complement(y))
    | null_class = intersection(complement(x),complement(y)) ),
    inference(resolution,[],[f213,f188]) ).

fof(f188,plain,
    ( ~ member(regular(intersection(complement(x),complement(y))),universal_class)
    | null_class = intersection(complement(x),complement(y)) ),
    inference(resolution,[],[f66,f185]) ).

fof(f66,axiom,
    ! [X0] :
      ( member(regular(X0),X0)
      | null_class = X0 ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',regularity1) ).

fof(f213,plain,
    ! [X0] :
      ( member(regular(X0),universal_class)
      | null_class = X0 ),
    inference(resolution,[],[f199,f66]) ).

fof(f185,plain,
    ! [X0] :
      ( ~ member(X0,intersection(complement(x),complement(y)))
      | ~ member(X0,universal_class) ),
    inference(superposition,[],[f24,f158]) ).

fof(f158,plain,
    universal_class = complement(intersection(complement(x),complement(y))),
    inference(definition_unfolding,[],[f113,f26]) ).

fof(f26,axiom,
    ! [X0,X1] : complement(intersection(complement(X0),complement(X1))) = union(X0,X1),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',union) ).

fof(f113,axiom,
    universal_class = union(x,y),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_complement_is_unique_1) ).

fof(f24,axiom,
    ! [X0,X4] :
      ( ~ member(X4,complement(X0))
      | ~ member(X4,X0) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',complement1) ).

fof(f308,plain,
    ! [X4] :
      ( ~ member(X4,x)
      | member(X4,null_class)
      | ~ member(X4,y) ),
    inference(superposition,[],[f23,f114]) ).

fof(f114,axiom,
    null_class = intersection(x,y),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_complement_is_unique_2) ).

fof(f23,axiom,
    ! [X0,X1,X4] :
      ( member(X4,intersection(X0,X1))
      | ~ member(X4,X0)
      | ~ member(X4,X1) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',intersection3) ).

fof(f382,plain,
    ~ member(not_subclass_element(complement(x),y),complement(x)),
    inference(resolution,[],[f361,f317]) ).

fof(f317,plain,
    ~ member(not_subclass_element(complement(x),y),y),
    inference(subsumption_resolution,[],[f314,f286]) ).

fof(f286,plain,
    ( member(not_subclass_element(y,complement(x)),x)
    | ~ member(not_subclass_element(complement(x),y),y) ),
    inference(subsumption_resolution,[],[f284,f246]) ).

fof(f246,plain,
    ( member(not_subclass_element(y,complement(x)),universal_class)
    | ~ member(not_subclass_element(complement(x),y),y) ),
    inference(resolution,[],[f242,f199]) ).

fof(f242,plain,
    ( member(not_subclass_element(y,complement(x)),y)
    | ~ member(not_subclass_element(complement(x),y),y) ),
    inference(resolution,[],[f241,f3]) ).

fof(f284,plain,
    ( ~ member(not_subclass_element(y,complement(x)),universal_class)
    | member(not_subclass_element(y,complement(x)),x)
    | ~ member(not_subclass_element(complement(x),y),y) ),
    inference(resolution,[],[f25,f244]) ).

fof(f244,plain,
    ( ~ member(not_subclass_element(y,complement(x)),complement(x))
    | ~ member(not_subclass_element(complement(x),y),y) ),
    inference(resolution,[],[f240,f3]) ).

fof(f314,plain,
    ( ~ member(not_subclass_element(y,complement(x)),x)
    | ~ member(not_subclass_element(complement(x),y),y) ),
    inference(resolution,[],[f309,f242]) ).

fof(f361,plain,
    ! [X0] :
      ( member(X0,y)
      | ~ member(X0,complement(x)) ),
    inference(subsumption_resolution,[],[f358,f199]) ).

fof(f358,plain,
    ! [X0] :
      ( member(X0,y)
      | ~ member(X0,complement(x))
      | ~ member(X0,universal_class) ),
    inference(resolution,[],[f310,f25]) ).

fof(f310,plain,
    ! [X2] :
      ( ~ member(X2,complement(y))
      | ~ member(X2,complement(x)) ),
    inference(subsumption_resolution,[],[f306,f278]) ).

fof(f306,plain,
    ! [X2] :
      ( member(X2,null_class)
      | ~ member(X2,complement(x))
      | ~ member(X2,complement(y)) ),
    inference(superposition,[],[f23,f273]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.11/0.12  % Problem    : SET157-6 : TPTP v8.1.0. Bugfixed v2.1.0.
% 0.11/0.13  % Command    : vampire --input_syntax tptp --proof tptp --output_axiom_names on --mode portfolio --schedule snake_tptp_sat --cores 0 -t %d %s
% 0.12/0.34  % Computer : n024.cluster.edu
% 0.12/0.34  % Model    : x86_64 x86_64
% 0.12/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.34  % Memory   : 8042.1875MB
% 0.12/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.34  % CPULimit   : 300
% 0.12/0.34  % WCLimit    : 300
% 0.12/0.34  % DateTime   : Tue Aug 30 13:25:49 EDT 2022
% 0.12/0.34  % CPUTime    : 
% 0.18/0.49  % (18912)fmb+10_1:1_bce=on:fmbsr=1.5:nm=4:skr=on:i=191324:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/191324Mi)
% 0.18/0.50  % (18919)dis+10_1:1_fsd=on:sp=occurrence:i=7:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/7Mi)
% 0.18/0.50  % (18919)Instruction limit reached!
% 0.18/0.50  % (18919)------------------------------
% 0.18/0.50  % (18919)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 0.18/0.50  % (18919)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 0.18/0.50  % (18919)Termination reason: Unknown
% 0.18/0.50  % (18919)Termination phase: Saturation
% 0.18/0.50  
% 0.18/0.50  % (18919)Memory used [KB]: 5628
% 0.18/0.50  % (18919)Time elapsed: 0.101 s
% 0.18/0.50  % (18919)Instructions burned: 7 (million)
% 0.18/0.50  % (18919)------------------------------
% 0.18/0.50  % (18919)------------------------------
% 0.18/0.51  % (18916)ott+33_1:4_s2a=on:tgt=ground:i=51:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/51Mi)
% 0.18/0.51  % (18924)ott+10_1:28_bd=off:bs=on:tgt=ground:i=101:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/101Mi)
% 0.18/0.51  % (18932)ott+10_1:8_bsd=on:fsd=on:lcm=predicate:nwc=5.0:s2a=on:s2at=1.5:spb=goal_then_units:i=176:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/176Mi)
% 0.18/0.51  % (18927)ott+11_2:3_av=off:fde=unused:nwc=5.0:tgt=ground:i=75:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/75Mi)
% 0.18/0.52  % (18926)ins+10_1:1_awrs=decay:awrsf=30:bsr=unit_only:foolp=on:igrr=8/457:igs=10:igwr=on:nwc=1.5:sp=weighted_frequency:to=lpo:uhcvi=on:i=68:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/68Mi)
% 0.18/0.52  % (18915)ott+10_1:32_bd=off:fsr=off:newcnf=on:tgt=full:i=51:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/51Mi)
% 0.18/0.52  % (18939)ott+11_2:3_av=off:fde=unused:nwc=5.0:tgt=ground:i=177:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/177Mi)
% 0.18/0.52  % (18918)fmb+10_1:1_fmbsr=2.0:nm=4:skr=on:i=51:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/51Mi)
% 0.18/0.52  % (18914)ott+4_1:1_av=off:bd=off:nwc=5.0:s2a=on:s2at=2.0:slsq=on:slsqc=2:slsql=off:slsqr=1,2:sp=frequency:i=37:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/37Mi)
% 0.18/0.53  % (18941)ott+10_7:2_awrs=decay:awrsf=8:bd=preordered:drc=off:fd=preordered:fde=unused:fsr=off:slsq=on:slsqc=2:slsqr=5,8:sp=const_min:spb=units:to=lpo:i=355:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/355Mi)
% 0.18/0.53  % (18921)ott-1_1:6_av=off:cond=on:fsr=off:nwc=3.0:i=51:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/51Mi)
% 0.18/0.53  % (18913)ott+10_1:32_abs=on:br=off:urr=ec_only:i=50:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/50Mi)
% 0.18/0.53  % (18922)ott+2_1:1_fsr=off:gsp=on:i=50:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/50Mi)
% 0.18/0.53  % (18917)dis+34_1:32_abs=on:add=off:bsr=on:gsp=on:sp=weighted_frequency:i=48:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/48Mi)
% 0.18/0.53  % (18934)dis+21_1:1_av=off:er=filter:slsq=on:slsqc=0:slsqr=1,1:sp=frequency:to=lpo:i=498:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/498Mi)
% 0.18/0.53  % (18920)dis+2_1:64_add=large:bce=on:bd=off:i=2:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/2Mi)
% 0.18/0.53  % (18940)ott+33_1:4_s2a=on:tgt=ground:i=439:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/439Mi)
% 0.18/0.53  % (18920)Instruction limit reached!
% 0.18/0.53  % (18920)------------------------------
% 0.18/0.53  % (18920)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 0.18/0.53  % (18920)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 0.18/0.53  % (18920)Termination reason: Unknown
% 0.18/0.53  % (18920)Termination phase: Property scanning
% 0.18/0.53  
% 0.18/0.53  % (18920)Memory used [KB]: 1023
% 0.18/0.53  % (18920)Time elapsed: 0.004 s
% 0.18/0.53  % (18920)Instructions burned: 4 (million)
% 0.18/0.53  % (18920)------------------------------
% 0.18/0.53  % (18920)------------------------------
% 0.18/0.53  % (18933)ott+3_1:1_gsp=on:lcm=predicate:i=138:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/138Mi)
% 0.18/0.54  % (18936)ott+10_1:1_kws=precedence:tgt=ground:i=482:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/482Mi)
% 0.18/0.54  % (18931)ott+4_1:1_av=off:bd=off:nwc=5.0:rp=on:s2a=on:s2at=2.0:slsq=on:slsqc=2:slsql=off:slsqr=1,2:sp=frequency:i=100:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/100Mi)
% 0.18/0.54  % (18937)ott+10_1:5_bd=off:tgt=full:i=500:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/500Mi)
% 0.18/0.54  % (18935)ott+11_1:1_drc=off:nwc=5.0:slsq=on:slsqc=1:spb=goal_then_units:to=lpo:i=467:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/467Mi)
% 0.18/0.54  % (18938)ins+10_1:1_awrs=decay:awrsf=30:bsr=unit_only:foolp=on:igrr=8/457:igs=10:igwr=on:nwc=1.5:sp=weighted_frequency:to=lpo:uhcvi=on:i=68:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/68Mi)
% 0.18/0.54  % (18928)dis+34_1:32_abs=on:add=off:bsr=on:gsp=on:sp=weighted_frequency:i=99:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/99Mi)
% 0.18/0.54  % (18923)ott+10_1:32_bd=off:fsr=off:newcnf=on:tgt=full:i=100:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/100Mi)
% 0.18/0.54  % (18929)fmb+10_1:1_bce=on:i=59:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/59Mi)
% 0.18/0.55  % (18925)ott+10_1:5_bd=off:tgt=full:i=99:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/99Mi)
% 0.18/0.55  % (18930)ott+10_1:1_tgt=ground:i=100:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/100Mi)
% 0.18/0.56  % (18934)First to succeed.
% 0.18/0.56  % (18934)Refutation found. Thanks to Tanya!
% 0.18/0.56  % SZS status Unsatisfiable for theBenchmark
% 0.18/0.56  % SZS output start Proof for theBenchmark
% See solution above
% 0.18/0.56  % (18934)------------------------------
% 0.18/0.56  % (18934)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 0.18/0.56  % (18934)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 0.18/0.56  % (18934)Termination reason: Refutation
% 0.18/0.56  
% 0.18/0.56  % (18934)Memory used [KB]: 1279
% 0.18/0.56  % (18934)Time elapsed: 0.128 s
% 0.18/0.56  % (18934)Instructions burned: 16 (million)
% 0.18/0.56  % (18934)------------------------------
% 0.18/0.56  % (18934)------------------------------
% 0.18/0.56  % (18911)Success in time 0.214 s
%------------------------------------------------------------------------------