TSTP Solution File: SET245-6 by SnakeForV-SAT---1.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SnakeForV-SAT---1.0
% Problem  : SET245-6 : 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 : n020.cluster.edu
% Model    : x86_64 x86_64
% CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory   : 8042.1875MB
% OS       : Linux 3.10.0-693.el7.x86_64
% CPULimit : 300s
% WCLimit  : 300s
% DateTime : Wed Aug 31 18:24:16 EDT 2022

% Result   : Unsatisfiable 0.18s 0.54s
% Output   : Refutation 0.18s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   10
%            Number of leaves      :   11
% Syntax   : Number of formulae    :   32 (  15 unt;   0 def)
%            Number of atoms       :   51 (  12 equ)
%            Maximal formula atoms :    3 (   1 avg)
%            Number of connectives :   38 (  19   ~;  19   |;   0   &)
%                                         (   0 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    7 (   3 avg)
%            Maximal term depth    :    4 (   2 avg)
%            Number of predicates  :    4 (   2 usr;   1 prp; 0-2 aty)
%            Number of functors    :   10 (  10 usr;   4 con; 0-3 aty)
%            Number of variables   :   29 (  29   !;   0   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f392,plain,
    $false,
    inference(subsumption_resolution,[],[f390,f366]) ).

fof(f366,plain,
    member(not_subclass_element(complement(universal_class),intersection(complement(universal_class),cross_product(x,y))),universal_class),
    inference(backward_demodulation,[],[f297,f350]) ).

fof(f350,plain,
    null_class = complement(universal_class),
    inference(duplicate_literal_removal,[],[f346]) ).

fof(f346,plain,
    ( null_class = complement(universal_class)
    | null_class = complement(universal_class) ),
    inference(resolution,[],[f184,f237]) ).

fof(f237,plain,
    ! [X0] :
      ( member(regular(X0),universal_class)
      | null_class = X0 ),
    inference(resolution,[],[f193,f66]) ).

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

fof(f193,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,X1)
      | ~ member(X2,X0) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',subclass_members) ).

fof(f184,plain,
    ! [X0] :
      ( ~ member(regular(complement(X0)),X0)
      | complement(X0) = null_class ),
    inference(resolution,[],[f66,f24]) ).

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

fof(f297,plain,
    member(not_subclass_element(null_class,intersection(null_class,cross_product(x,y))),universal_class),
    inference(backward_demodulation,[],[f244,f166]) ).

fof(f166,plain,
    ! [X0,X1,X5] : intersection(X5,cross_product(X0,X1)) = intersection(cross_product(X0,X1),X5),
    inference(definition_unfolding,[],[f28,f29]) ).

fof(f29,axiom,
    ! [X0,X1,X5] : restrict(X5,X0,X1) = intersection(cross_product(X0,X1),X5),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',restriction2) ).

fof(f28,axiom,
    ! [X0,X1,X5] : intersection(X5,cross_product(X0,X1)) = restrict(X5,X0,X1),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',restriction1) ).

fof(f244,plain,
    member(not_subclass_element(null_class,intersection(cross_product(x,y),null_class)),universal_class),
    inference(resolution,[],[f193,f231]) ).

fof(f231,plain,
    member(not_subclass_element(null_class,intersection(cross_product(x,y),null_class)),null_class),
    inference(subsumption_resolution,[],[f229,f226]) ).

fof(f226,plain,
    ( ~ member(not_subclass_element(intersection(cross_product(x,y),null_class),null_class),null_class)
    | member(not_subclass_element(null_class,intersection(cross_product(x,y),null_class)),null_class) ),
    inference(resolution,[],[f223,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(f223,plain,
    ( ~ subclass(null_class,intersection(cross_product(x,y),null_class))
    | ~ member(not_subclass_element(intersection(cross_product(x,y),null_class),null_class),null_class) ),
    inference(resolution,[],[f207,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(f207,plain,
    ( ~ subclass(intersection(cross_product(x,y),null_class),null_class)
    | ~ subclass(null_class,intersection(cross_product(x,y),null_class)) ),
    inference(extensionality_resolution,[],[f7,f144]) ).

fof(f144,plain,
    null_class != intersection(cross_product(x,y),null_class),
    inference(definition_unfolding,[],[f113,f29]) ).

fof(f113,axiom,
    null_class != restrict(null_class,x,y),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_restriction_with_null_class1_1) ).

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

fof(f229,plain,
    ( member(not_subclass_element(intersection(cross_product(x,y),null_class),null_class),null_class)
    | member(not_subclass_element(null_class,intersection(cross_product(x,y),null_class)),null_class) ),
    inference(resolution,[],[f228,f22]) ).

fof(f22,axiom,
    ! [X0,X1,X4] :
      ( ~ member(X4,intersection(X0,X1))
      | member(X4,X1) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',intersection2) ).

fof(f228,plain,
    ( member(not_subclass_element(intersection(cross_product(x,y),null_class),null_class),intersection(cross_product(x,y),null_class))
    | member(not_subclass_element(null_class,intersection(cross_product(x,y),null_class)),null_class) ),
    inference(resolution,[],[f224,f2]) ).

fof(f224,plain,
    ( ~ subclass(null_class,intersection(cross_product(x,y),null_class))
    | member(not_subclass_element(intersection(cross_product(x,y),null_class),null_class),intersection(cross_product(x,y),null_class)) ),
    inference(resolution,[],[f207,f2]) ).

fof(f390,plain,
    ~ member(not_subclass_element(complement(universal_class),intersection(complement(universal_class),cross_product(x,y))),universal_class),
    inference(resolution,[],[f364,f24]) ).

fof(f364,plain,
    member(not_subclass_element(complement(universal_class),intersection(complement(universal_class),cross_product(x,y))),complement(universal_class)),
    inference(backward_demodulation,[],[f295,f350]) ).

fof(f295,plain,
    member(not_subclass_element(null_class,intersection(null_class,cross_product(x,y))),null_class),
    inference(backward_demodulation,[],[f231,f166]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.04/0.12  % Problem    : SET245-6 : TPTP v8.1.0. Bugfixed v2.1.0.
% 0.04/0.12  % Command    : vampire --input_syntax tptp --proof tptp --output_axiom_names on --mode portfolio --schedule snake_tptp_sat --cores 0 -t %d %s
% 0.12/0.33  % Computer : n020.cluster.edu
% 0.12/0.33  % Model    : x86_64 x86_64
% 0.12/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.33  % Memory   : 8042.1875MB
% 0.12/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.33  % CPULimit   : 300
% 0.12/0.33  % WCLimit    : 300
% 0.12/0.33  % DateTime   : Tue Aug 30 13:33:15 EDT 2022
% 0.12/0.33  % CPUTime    : 
% 0.18/0.46  % (1292)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)
% 0.18/0.49  % (1308)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)
% 0.18/0.49  % (1310)ott+10_1:1_kws=precedence:tgt=ground:i=482:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/482Mi)
% 0.18/0.49  % (1301)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)
% 0.18/0.49  % (1300)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)
% 0.18/0.50  % (1288)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)
% 0.18/0.50  % (1293)dis+10_1:1_fsd=on:sp=occurrence:i=7:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/7Mi)
% 0.18/0.51  % (1293)Instruction limit reached!
% 0.18/0.51  % (1293)------------------------------
% 0.18/0.51  % (1293)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 0.18/0.51  % (1293)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 0.18/0.51  % (1293)Termination reason: Unknown
% 0.18/0.51  % (1293)Termination phase: Saturation
% 0.18/0.51  
% 0.18/0.51  % (1293)Memory used [KB]: 5500
% 0.18/0.51  % (1293)Time elapsed: 0.078 s
% 0.18/0.51  % (1293)Instructions burned: 7 (million)
% 0.18/0.51  % (1293)------------------------------
% 0.18/0.51  % (1293)------------------------------
% 0.18/0.52  % (1287)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)
% 0.18/0.52  % (1308)First to succeed.
% 0.18/0.52  % (1289)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)
% 0.18/0.53  % (1286)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)
% 0.18/0.54  % (1296)ott+2_1:1_fsr=off:gsp=on:i=50:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/50Mi)
% 0.18/0.54  % (1290)ott+33_1:4_s2a=on:tgt=ground:i=51:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/51Mi)
% 0.18/0.54  % (1305)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  % (1301)Also succeeded, but the first one will report.
% 0.18/0.54  % (1308)Refutation found. Thanks to Tanya!
% 0.18/0.54  % SZS status Unsatisfiable for theBenchmark
% 0.18/0.54  % SZS output start Proof for theBenchmark
% See solution above
% 0.18/0.54  % (1308)------------------------------
% 0.18/0.54  % (1308)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 0.18/0.54  % (1308)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 0.18/0.54  % (1308)Termination reason: Refutation
% 0.18/0.54  
% 0.18/0.54  % (1308)Memory used [KB]: 1279
% 0.18/0.54  % (1308)Time elapsed: 0.136 s
% 0.18/0.54  % (1308)Instructions burned: 18 (million)
% 0.18/0.54  % (1308)------------------------------
% 0.18/0.54  % (1308)------------------------------
% 0.18/0.54  % (1285)Success in time 0.203 s
%------------------------------------------------------------------------------