TSTP Solution File: SET244-6 by SnakeForV---1.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SnakeForV---1.0
% Problem  : SET244-6 : 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_uns --cores 0 -t %d %s

% Computer : n022.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 18:19:55 EDT 2022

% Result   : Unsatisfiable 0.14s 0.47s
% Output   : Refutation 0.14s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    9
%            Number of leaves      :    9
% Syntax   : Number of formulae    :   26 (   9 unt;   0 def)
%            Number of atoms       :   46 (   4 equ)
%            Maximal formula atoms :    3 (   1 avg)
%            Number of connectives :   45 (  25   ~;  20   |;   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    :    7 (   7 usr;   3 con; 0-3 aty)
%            Number of variables   :   21 (  21   !;   0   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f285,plain,
    $false,
    inference(subsumption_resolution,[],[f284,f240]) ).

fof(f240,plain,
    member(not_subclass_element(cross_product(x,y),intersection(universal_class,cross_product(x,y))),universal_class),
    inference(resolution,[],[f193,f231]) ).

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

fof(f226,plain,
    ( ~ member(not_subclass_element(intersection(universal_class,cross_product(x,y)),cross_product(x,y)),cross_product(x,y))
    | member(not_subclass_element(cross_product(x,y),intersection(universal_class,cross_product(x,y))),cross_product(x,y)) ),
    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(cross_product(x,y),intersection(universal_class,cross_product(x,y)))
    | ~ member(not_subclass_element(intersection(universal_class,cross_product(x,y)),cross_product(x,y)),cross_product(x,y)) ),
    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(universal_class,cross_product(x,y)),cross_product(x,y))
    | ~ subclass(cross_product(x,y),intersection(universal_class,cross_product(x,y))) ),
    inference(extensionality_resolution,[],[f7,f145]) ).

fof(f145,plain,
    cross_product(x,y) != intersection(universal_class,cross_product(x,y)),
    inference(definition_unfolding,[],[f113,f28]) ).

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(f113,axiom,
    restrict(universal_class,x,y) != cross_product(x,y),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_restriction_with_universal_class_1) ).

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

fof(f229,plain,
    ( member(not_subclass_element(cross_product(x,y),intersection(universal_class,cross_product(x,y))),cross_product(x,y))
    | member(not_subclass_element(intersection(universal_class,cross_product(x,y)),cross_product(x,y)),cross_product(x,y)) ),
    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(universal_class,cross_product(x,y)),cross_product(x,y)),intersection(universal_class,cross_product(x,y)))
    | member(not_subclass_element(cross_product(x,y),intersection(universal_class,cross_product(x,y))),cross_product(x,y)) ),
    inference(resolution,[],[f224,f2]) ).

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

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

fof(f284,plain,
    ~ member(not_subclass_element(cross_product(x,y),intersection(universal_class,cross_product(x,y))),universal_class),
    inference(subsumption_resolution,[],[f281,f231]) ).

fof(f281,plain,
    ( ~ member(not_subclass_element(cross_product(x,y),intersection(universal_class,cross_product(x,y))),cross_product(x,y))
    | ~ member(not_subclass_element(cross_product(x,y),intersection(universal_class,cross_product(x,y))),universal_class) ),
    inference(resolution,[],[f23,f234]) ).

fof(f234,plain,
    ~ member(not_subclass_element(cross_product(x,y),intersection(universal_class,cross_product(x,y))),intersection(universal_class,cross_product(x,y))),
    inference(subsumption_resolution,[],[f232,f225]) ).

fof(f225,plain,
    ( ~ member(not_subclass_element(intersection(universal_class,cross_product(x,y)),cross_product(x,y)),cross_product(x,y))
    | ~ member(not_subclass_element(cross_product(x,y),intersection(universal_class,cross_product(x,y))),intersection(universal_class,cross_product(x,y))) ),
    inference(resolution,[],[f223,f3]) ).

fof(f232,plain,
    ( ~ member(not_subclass_element(cross_product(x,y),intersection(universal_class,cross_product(x,y))),intersection(universal_class,cross_product(x,y)))
    | member(not_subclass_element(intersection(universal_class,cross_product(x,y)),cross_product(x,y)),cross_product(x,y)) ),
    inference(resolution,[],[f227,f22]) ).

fof(f227,plain,
    ( member(not_subclass_element(intersection(universal_class,cross_product(x,y)),cross_product(x,y)),intersection(universal_class,cross_product(x,y)))
    | ~ member(not_subclass_element(cross_product(x,y),intersection(universal_class,cross_product(x,y))),intersection(universal_class,cross_product(x,y))) ),
    inference(resolution,[],[f224,f3]) ).

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) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.05/0.09  % Problem    : SET244-6 : TPTP v8.1.0. Bugfixed v2.1.0.
% 0.05/0.10  % Command    : vampire --input_syntax tptp --proof tptp --output_axiom_names on --mode portfolio --schedule snake_tptp_uns --cores 0 -t %d %s
% 0.09/0.30  % Computer : n022.cluster.edu
% 0.09/0.30  % Model    : x86_64 x86_64
% 0.09/0.30  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.09/0.30  % Memory   : 8042.1875MB
% 0.09/0.30  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.09/0.30  % CPULimit   : 300
% 0.09/0.30  % WCLimit    : 300
% 0.09/0.30  % DateTime   : Tue Aug 30 13:31:56 EDT 2022
% 0.09/0.30  % CPUTime    : 
% 0.14/0.44  % (19348)lrs+1004_1:734_av=off:awrs=converge:awrsf=70:br=off:ep=RSTC:erd=off:gs=on:nwc=3.0:s2a=on:s2agt=16:sp=occurrence:updr=off:urr=on:i=6:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/6Mi)
% 0.14/0.45  % (19345)lrs+1010_1:4_amm=off:bce=on:sd=1:sos=on:ss=included:i=51:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/51Mi)
% 0.14/0.45  % (19356)lrs+1003_1:1024_add=large:afr=on:cond=fast:fsr=off:gs=on:sos=on:sp=reverse_arity:i=28:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/28Mi)
% 0.14/0.45  % (19345)Refutation not found, incomplete strategy% (19345)------------------------------
% 0.14/0.45  % (19345)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 0.14/0.45  % (19346)lrs+1011_1:1_atotf=0.0306256:ep=RST:mep=off:nm=0:sos=all:i=3:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/3Mi)
% 0.14/0.45  % (19344)dis+21_1:1_av=off:er=filter:slsq=on:slsqc=0:slsqr=1,1:sp=frequency:to=lpo:i=49:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/49Mi)
% 0.14/0.45  % (19356)Refutation not found, incomplete strategy% (19356)------------------------------
% 0.14/0.45  % (19356)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 0.14/0.46  % (19362)lrs+1011_1:1_aac=none:bsr=unit_only:ep=R:sac=on:sos=all:i=37:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/37Mi)
% 0.14/0.46  % (19348)Instruction limit reached!
% 0.14/0.46  % (19348)------------------------------
% 0.14/0.46  % (19348)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 0.14/0.46  % (19344)First to succeed.
% 0.14/0.46  % (19346)Instruction limit reached!
% 0.14/0.46  % (19346)------------------------------
% 0.14/0.46  % (19346)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 0.14/0.46  % (19365)lrs+3_8:1_anc=none:erd=off:fsd=on:s2a=on:s2agt=16:sgt=16:sos=on:sp=frequency:ss=included:i=71:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/71Mi)
% 0.14/0.46  % (19348)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 0.14/0.46  % (19348)Termination reason: Unknown
% 0.14/0.46  % (19348)Termination phase: Property scanning
% 0.14/0.46  
% 0.14/0.46  % (19348)Memory used [KB]: 1407
% 0.14/0.46  % (19348)Time elapsed: 0.006 s
% 0.14/0.46  % (19348)Instructions burned: 6 (million)
% 0.14/0.46  % (19348)------------------------------
% 0.14/0.46  % (19348)------------------------------
% 0.14/0.46  % (19353)fmb+10_1:1_fmbes=contour:fmbsr=2.0:fmbsso=input_usage:i=6:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/6Mi)
% 0.14/0.46  % (19345)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 0.14/0.46  % (19345)Termination reason: Refutation not found, incomplete strategy
% 0.14/0.46  
% 0.14/0.46  % (19345)Memory used [KB]: 5884
% 0.14/0.46  % (19345)Time elapsed: 0.092 s
% 0.14/0.46  % (19345)Instructions burned: 2 (million)
% 0.14/0.46  % (19345)------------------------------
% 0.14/0.46  % (19345)------------------------------
% 0.14/0.46  % (19363)dis+10_1:1_add=large:alpa=false:anc=none:fd=off:lcm=reverse:nwc=5.0:sd=2:sgt=20:ss=included:i=46:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/46Mi)
% 0.14/0.46  % (19346)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 0.14/0.46  % (19346)Termination reason: Unknown
% 0.14/0.46  % (19346)Termination phase: Function definition elimination
% 0.14/0.46  
% 0.14/0.46  % (19346)Memory used [KB]: 1407
% 0.14/0.46  % (19346)Time elapsed: 0.004 s
% 0.14/0.46  % (19346)Instructions burned: 3 (million)
% 0.14/0.46  % (19346)------------------------------
% 0.14/0.46  % (19346)------------------------------
% 0.14/0.46  % (19356)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 0.14/0.46  % (19356)Termination reason: Refutation not found, incomplete strategy
% 0.14/0.46  
% 0.14/0.46  % (19356)Memory used [KB]: 10746
% 0.14/0.46  % (19356)Time elapsed: 0.106 s
% 0.14/0.46  % (19356)Instructions burned: 16 (million)
% 0.14/0.46  % (19356)------------------------------
% 0.14/0.46  % (19356)------------------------------
% 0.14/0.47  % (19354)lrs+1_1:1_aac=none:add=large:anc=all_dependent:cond=fast:ep=RST:fsr=off:lma=on:nm=2:sos=on:sp=reverse_arity:stl=30:uhcvi=on:urr=on:i=2:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/2Mi)
% 0.14/0.47  % (19344)Refutation found. Thanks to Tanya!
% 0.14/0.47  % SZS status Unsatisfiable for theBenchmark
% 0.14/0.47  % SZS output start Proof for theBenchmark
% See solution above
% 0.14/0.47  % (19344)------------------------------
% 0.14/0.47  % (19344)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 0.14/0.47  % (19344)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 0.14/0.47  % (19344)Termination reason: Refutation
% 0.14/0.47  
% 0.14/0.47  % (19344)Memory used [KB]: 1535
% 0.14/0.47  % (19344)Time elapsed: 0.098 s
% 0.14/0.47  % (19344)Instructions burned: 12 (million)
% 0.14/0.47  % (19344)------------------------------
% 0.14/0.47  % (19344)------------------------------
% 0.14/0.47  % (19337)Success in time 0.16 s
%------------------------------------------------------------------------------