TSTP Solution File: SEU124+2 by SnakeForV-SAT---1.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SnakeForV-SAT---1.0
% Problem  : SEU124+2 : TPTP v8.1.0. Released v3.3.0.
% 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 18:32:01 EDT 2022

% Result   : Theorem 0.21s 0.54s
% Output   : Refutation 0.21s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   10
%            Number of leaves      :    6
% Syntax   : Number of formulae    :   29 (  11 unt;   0 def)
%            Number of atoms       :  126 (  11 equ)
%            Maximal formula atoms :   14 (   4 avg)
%            Number of connectives :  155 (  58   ~;  55   |;  32   &)
%                                         (   6 <=>;   4  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   11 (   6 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of predicates  :    4 (   2 usr;   1 prp; 0-2 aty)
%            Number of functors    :    5 (   5 usr;   2 con; 0-3 aty)
%            Number of variables   :   75 (  62   !;  13   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f222,plain,
    $false,
    inference(subsumption_resolution,[],[f213,f140]) ).

fof(f140,plain,
    ~ subset(sK7,set_union2(sK7,sK8)),
    inference(cnf_transformation,[],[f94]) ).

fof(f94,plain,
    ~ subset(sK7,set_union2(sK7,sK8)),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK7,sK8])],[f92,f93]) ).

fof(f93,plain,
    ( ? [X0,X1] : ~ subset(X0,set_union2(X0,X1))
   => ~ subset(sK7,set_union2(sK7,sK8)) ),
    introduced(choice_axiom,[]) ).

fof(f92,plain,
    ? [X0,X1] : ~ subset(X0,set_union2(X0,X1)),
    inference(rectify,[],[f48]) ).

fof(f48,plain,
    ? [X1,X0] : ~ subset(X1,set_union2(X1,X0)),
    inference(ennf_transformation,[],[f41]) ).

fof(f41,plain,
    ~ ! [X1,X0] : subset(X1,set_union2(X1,X0)),
    inference(rectify,[],[f31]) ).

fof(f31,negated_conjecture,
    ~ ! [X1,X0] : subset(X0,set_union2(X0,X1)),
    inference(negated_conjecture,[],[f30]) ).

fof(f30,conjecture,
    ! [X1,X0] : subset(X0,set_union2(X0,X1)),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t7_xboole_1) ).

fof(f213,plain,
    subset(sK7,set_union2(sK7,sK8)),
    inference(resolution,[],[f208,f104]) ).

fof(f104,plain,
    ! [X0,X1] :
      ( ~ in(sK0(X0,X1),X1)
      | subset(X0,X1) ),
    inference(cnf_transformation,[],[f65]) ).

fof(f65,plain,
    ! [X0,X1] :
      ( ( ! [X2] :
            ( ~ in(X2,X0)
            | in(X2,X1) )
        | ~ subset(X0,X1) )
      & ( subset(X0,X1)
        | ( in(sK0(X0,X1),X0)
          & ~ in(sK0(X0,X1),X1) ) ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK0])],[f63,f64]) ).

fof(f64,plain,
    ! [X0,X1] :
      ( ? [X3] :
          ( in(X3,X0)
          & ~ in(X3,X1) )
     => ( in(sK0(X0,X1),X0)
        & ~ in(sK0(X0,X1),X1) ) ),
    introduced(choice_axiom,[]) ).

fof(f63,plain,
    ! [X0,X1] :
      ( ( ! [X2] :
            ( ~ in(X2,X0)
            | in(X2,X1) )
        | ~ subset(X0,X1) )
      & ( subset(X0,X1)
        | ? [X3] :
            ( in(X3,X0)
            & ~ in(X3,X1) ) ) ),
    inference(rectify,[],[f62]) ).

fof(f62,plain,
    ! [X0,X1] :
      ( ( ! [X2] :
            ( ~ in(X2,X0)
            | in(X2,X1) )
        | ~ subset(X0,X1) )
      & ( subset(X0,X1)
        | ? [X2] :
            ( in(X2,X0)
            & ~ in(X2,X1) ) ) ),
    inference(nnf_transformation,[],[f59]) ).

fof(f59,plain,
    ! [X0,X1] :
      ( ! [X2] :
          ( ~ in(X2,X0)
          | in(X2,X1) )
    <=> subset(X0,X1) ),
    inference(ennf_transformation,[],[f7]) ).

fof(f7,axiom,
    ! [X0,X1] :
      ( subset(X0,X1)
    <=> ! [X2] :
          ( in(X2,X0)
         => in(X2,X1) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d3_tarski) ).

fof(f208,plain,
    ! [X8] : in(sK0(sK7,set_union2(sK7,sK8)),set_union2(sK7,X8)),
    inference(resolution,[],[f151,f193]) ).

fof(f193,plain,
    in(sK0(sK7,set_union2(sK7,sK8)),sK7),
    inference(resolution,[],[f105,f140]) ).

fof(f105,plain,
    ! [X0,X1] :
      ( subset(X0,X1)
      | in(sK0(X0,X1),X0) ),
    inference(cnf_transformation,[],[f65]) ).

fof(f151,plain,
    ! [X2,X3,X0] :
      ( ~ in(X3,X0)
      | in(X3,set_union2(X0,X2)) ),
    inference(equality_resolution,[],[f131]) ).

fof(f131,plain,
    ! [X2,X3,X0,X1] :
      ( in(X3,X1)
      | ~ in(X3,X0)
      | set_union2(X0,X2) != X1 ),
    inference(cnf_transformation,[],[f85]) ).

fof(f85,plain,
    ! [X0,X1,X2] :
      ( ( ! [X3] :
            ( ( in(X3,X1)
              | ( ~ in(X3,X0)
                & ~ in(X3,X2) ) )
            & ( in(X3,X0)
              | in(X3,X2)
              | ~ in(X3,X1) ) )
        | set_union2(X0,X2) != X1 )
      & ( set_union2(X0,X2) = X1
        | ( ( ( ~ in(sK5(X0,X1,X2),X0)
              & ~ in(sK5(X0,X1,X2),X2) )
            | ~ in(sK5(X0,X1,X2),X1) )
          & ( in(sK5(X0,X1,X2),X0)
            | in(sK5(X0,X1,X2),X2)
            | in(sK5(X0,X1,X2),X1) ) ) ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK5])],[f83,f84]) ).

fof(f84,plain,
    ! [X0,X1,X2] :
      ( ? [X4] :
          ( ( ( ~ in(X4,X0)
              & ~ in(X4,X2) )
            | ~ in(X4,X1) )
          & ( in(X4,X0)
            | in(X4,X2)
            | in(X4,X1) ) )
     => ( ( ( ~ in(sK5(X0,X1,X2),X0)
            & ~ in(sK5(X0,X1,X2),X2) )
          | ~ in(sK5(X0,X1,X2),X1) )
        & ( in(sK5(X0,X1,X2),X0)
          | in(sK5(X0,X1,X2),X2)
          | in(sK5(X0,X1,X2),X1) ) ) ),
    introduced(choice_axiom,[]) ).

fof(f83,plain,
    ! [X0,X1,X2] :
      ( ( ! [X3] :
            ( ( in(X3,X1)
              | ( ~ in(X3,X0)
                & ~ in(X3,X2) ) )
            & ( in(X3,X0)
              | in(X3,X2)
              | ~ in(X3,X1) ) )
        | set_union2(X0,X2) != X1 )
      & ( set_union2(X0,X2) = X1
        | ? [X4] :
            ( ( ( ~ in(X4,X0)
                & ~ in(X4,X2) )
              | ~ in(X4,X1) )
            & ( in(X4,X0)
              | in(X4,X2)
              | in(X4,X1) ) ) ) ),
    inference(rectify,[],[f82]) ).

fof(f82,plain,
    ! [X2,X1,X0] :
      ( ( ! [X3] :
            ( ( in(X3,X1)
              | ( ~ in(X3,X2)
                & ~ in(X3,X0) ) )
            & ( in(X3,X2)
              | in(X3,X0)
              | ~ in(X3,X1) ) )
        | set_union2(X2,X0) != X1 )
      & ( set_union2(X2,X0) = X1
        | ? [X3] :
            ( ( ( ~ in(X3,X2)
                & ~ in(X3,X0) )
              | ~ in(X3,X1) )
            & ( in(X3,X2)
              | in(X3,X0)
              | in(X3,X1) ) ) ) ),
    inference(flattening,[],[f81]) ).

fof(f81,plain,
    ! [X2,X1,X0] :
      ( ( ! [X3] :
            ( ( in(X3,X1)
              | ( ~ in(X3,X2)
                & ~ in(X3,X0) ) )
            & ( in(X3,X2)
              | in(X3,X0)
              | ~ in(X3,X1) ) )
        | set_union2(X2,X0) != X1 )
      & ( set_union2(X2,X0) = X1
        | ? [X3] :
            ( ( ( ~ in(X3,X2)
                & ~ in(X3,X0) )
              | ~ in(X3,X1) )
            & ( in(X3,X2)
              | in(X3,X0)
              | in(X3,X1) ) ) ) ),
    inference(nnf_transformation,[],[f35]) ).

fof(f35,plain,
    ! [X2,X1,X0] :
      ( ! [X3] :
          ( in(X3,X1)
        <=> ( in(X3,X2)
            | in(X3,X0) ) )
    <=> set_union2(X2,X0) = X1 ),
    inference(rectify,[],[f6]) ).

fof(f6,axiom,
    ! [X1,X2,X0] :
      ( set_union2(X0,X1) = X2
    <=> ! [X3] :
          ( ( in(X3,X0)
            | in(X3,X1) )
        <=> in(X3,X2) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d2_xboole_0) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.08/0.13  % Problem    : SEU124+2 : TPTP v8.1.0. Released v3.3.0.
% 0.08/0.14  % Command    : vampire --input_syntax tptp --proof tptp --output_axiom_names on --mode portfolio --schedule snake_tptp_sat --cores 0 -t %d %s
% 0.14/0.36  % Computer : n024.cluster.edu
% 0.14/0.36  % Model    : x86_64 x86_64
% 0.14/0.36  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.36  % Memory   : 8042.1875MB
% 0.14/0.36  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.14/0.36  % CPULimit   : 300
% 0.14/0.36  % WCLimit    : 300
% 0.14/0.36  % DateTime   : Tue Aug 30 14:42:19 EDT 2022
% 0.14/0.36  % CPUTime    : 
% 0.21/0.50  % (26193)ott+2_1:1_fsr=off:gsp=on:i=50:si=on:rawr=on:rtra=on_0 on theBenchmark for (3000ds/50Mi)
% 0.21/0.51  % (26185)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 (3000ds/37Mi)
% 0.21/0.51  % (26192)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 (3000ds/51Mi)
% 0.21/0.51  % (26206)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 (3000ds/467Mi)
% 0.21/0.51  % (26203)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 (3000ds/176Mi)
% 0.21/0.51  % (26190)dis+10_1:1_fsd=on:sp=occurrence:i=7:si=on:rawr=on:rtra=on_0 on theBenchmark for (3000ds/7Mi)
% 0.21/0.51  % (26202)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 (3000ds/100Mi)
% 0.21/0.51  % (26189)fmb+10_1:1_fmbsr=2.0:nm=4:skr=on:i=51:si=on:rawr=on:rtra=on_0 on theBenchmark for (3000ds/51Mi)
% 0.21/0.52  % (26208)ott+10_1:5_bd=off:tgt=full:i=500:si=on:rawr=on:rtra=on_0 on theBenchmark for (3000ds/500Mi)
% 0.21/0.52  % (26195)ott+10_1:28_bd=off:bs=on:tgt=ground:i=101:si=on:rawr=on:rtra=on_0 on theBenchmark for (3000ds/101Mi)
% 0.21/0.52  % (26198)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 (3000ds/75Mi)
% 0.21/0.52  % (26211)ott+33_1:4_s2a=on:tgt=ground:i=439:si=on:rawr=on:rtra=on_0 on theBenchmark for (3000ds/439Mi)
% 0.21/0.52  % (26190)Instruction limit reached!
% 0.21/0.52  % (26190)------------------------------
% 0.21/0.52  % (26190)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 0.21/0.52  % (26200)fmb+10_1:1_bce=on:i=59:si=on:rawr=on:rtra=on_0 on theBenchmark for (3000ds/59Mi)
% 0.21/0.53  TRYING [1]
% 0.21/0.53  TRYING [2]
% 0.21/0.53  TRYING [3]
% 0.21/0.53  % (26206)First to succeed.
% 0.21/0.53  % (26190)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 0.21/0.53  % (26190)Termination reason: Unknown
% 0.21/0.53  % (26190)Termination phase: Saturation
% 0.21/0.53  
% 0.21/0.53  % (26190)Memory used [KB]: 5500
% 0.21/0.53  % (26190)Time elapsed: 0.107 s
% 0.21/0.53  % (26190)Instructions burned: 8 (million)
% 0.21/0.53  % (26190)------------------------------
% 0.21/0.53  % (26190)------------------------------
% 0.21/0.53  % (26191)dis+2_1:64_add=large:bce=on:bd=off:i=2:si=on:rawr=on:rtra=on_0 on theBenchmark for (3000ds/2Mi)
% 0.21/0.53  % (26187)ott+33_1:4_s2a=on:tgt=ground:i=51:si=on:rawr=on:rtra=on_0 on theBenchmark for (3000ds/51Mi)
% 0.21/0.53  % (26191)Instruction limit reached!
% 0.21/0.53  % (26191)------------------------------
% 0.21/0.53  % (26191)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 0.21/0.53  % (26191)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 0.21/0.53  % (26191)Termination reason: Unknown
% 0.21/0.53  % (26191)Termination phase: Blocked clause elimination
% 0.21/0.53  
% 0.21/0.53  % (26191)Memory used [KB]: 895
% 0.21/0.53  % (26191)Time elapsed: 0.002 s
% 0.21/0.53  % (26191)Instructions burned: 3 (million)
% 0.21/0.53  % (26191)------------------------------
% 0.21/0.53  % (26191)------------------------------
% 0.21/0.54  % (26206)Refutation found. Thanks to Tanya!
% 0.21/0.54  % SZS status Theorem for theBenchmark
% 0.21/0.54  % SZS output start Proof for theBenchmark
% See solution above
% 0.21/0.54  % (26206)------------------------------
% 0.21/0.54  % (26206)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 0.21/0.54  % (26206)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 0.21/0.54  % (26206)Termination reason: Refutation
% 0.21/0.54  
% 0.21/0.54  % (26206)Memory used [KB]: 5500
% 0.21/0.54  % (26206)Time elapsed: 0.110 s
% 0.21/0.54  % (26206)Instructions burned: 7 (million)
% 0.21/0.54  % (26206)------------------------------
% 0.21/0.54  % (26206)------------------------------
% 0.21/0.54  % (26182)Success in time 0.169 s
%------------------------------------------------------------------------------