TSTP Solution File: SEU172+2 by SnakeForV---1.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SnakeForV---1.0
% Problem  : SEU172+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_uns --cores 0 -t %d %s

% Computer : n017.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 18:27:06 EDT 2022

% Result   : Theorem 0.19s 0.52s
% Output   : Refutation 0.19s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   10
%            Number of leaves      :    5
% Syntax   : Number of formulae    :   28 (   7 unt;   0 def)
%            Number of atoms       :  123 (  16 equ)
%            Maximal formula atoms :   14 (   4 avg)
%            Number of connectives :  145 (  50   ~;  44   |;  41   &)
%                                         (   4 <=>;   6  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   11 (   6 avg)
%            Maximal term depth    :    2 (   1 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   :   68 (  52   !;  16   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f606,plain,
    $false,
    inference(subsumption_resolution,[],[f605,f567]) ).

fof(f567,plain,
    ! [X0] : ~ in(sK25,set_difference(X0,sK24)),
    inference(unit_resulting_resolution,[],[f508,f527]) ).

fof(f527,plain,
    ! [X2,X1,X4] :
      ( ~ in(X4,set_difference(X1,X2))
      | ~ in(X4,X2) ),
    inference(equality_resolution,[],[f363]) ).

fof(f363,plain,
    ! [X2,X0,X1,X4] :
      ( ~ in(X4,X2)
      | ~ in(X4,X0)
      | set_difference(X1,X2) != X0 ),
    inference(cnf_transformation,[],[f234]) ).

fof(f234,plain,
    ! [X0,X1,X2] :
      ( ( set_difference(X1,X2) = X0
        | ( ( in(sK2(X0,X1,X2),X2)
            | ~ in(sK2(X0,X1,X2),X1)
            | ~ in(sK2(X0,X1,X2),X0) )
          & ( ( ~ in(sK2(X0,X1,X2),X2)
              & in(sK2(X0,X1,X2),X1) )
            | in(sK2(X0,X1,X2),X0) ) ) )
      & ( ! [X4] :
            ( ( in(X4,X0)
              | in(X4,X2)
              | ~ in(X4,X1) )
            & ( ( ~ in(X4,X2)
                & in(X4,X1) )
              | ~ in(X4,X0) ) )
        | set_difference(X1,X2) != X0 ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK2])],[f232,f233]) ).

fof(f233,plain,
    ! [X0,X1,X2] :
      ( ? [X3] :
          ( ( in(X3,X2)
            | ~ in(X3,X1)
            | ~ in(X3,X0) )
          & ( ( ~ in(X3,X2)
              & in(X3,X1) )
            | in(X3,X0) ) )
     => ( ( in(sK2(X0,X1,X2),X2)
          | ~ in(sK2(X0,X1,X2),X1)
          | ~ in(sK2(X0,X1,X2),X0) )
        & ( ( ~ in(sK2(X0,X1,X2),X2)
            & in(sK2(X0,X1,X2),X1) )
          | in(sK2(X0,X1,X2),X0) ) ) ),
    introduced(choice_axiom,[]) ).

fof(f232,plain,
    ! [X0,X1,X2] :
      ( ( set_difference(X1,X2) = X0
        | ? [X3] :
            ( ( in(X3,X2)
              | ~ in(X3,X1)
              | ~ in(X3,X0) )
            & ( ( ~ in(X3,X2)
                & in(X3,X1) )
              | in(X3,X0) ) ) )
      & ( ! [X4] :
            ( ( in(X4,X0)
              | in(X4,X2)
              | ~ in(X4,X1) )
            & ( ( ~ in(X4,X2)
                & in(X4,X1) )
              | ~ in(X4,X0) ) )
        | set_difference(X1,X2) != X0 ) ),
    inference(rectify,[],[f231]) ).

fof(f231,plain,
    ! [X1,X2,X0] :
      ( ( set_difference(X2,X0) = X1
        | ? [X3] :
            ( ( in(X3,X0)
              | ~ in(X3,X2)
              | ~ in(X3,X1) )
            & ( ( ~ in(X3,X0)
                & in(X3,X2) )
              | in(X3,X1) ) ) )
      & ( ! [X3] :
            ( ( in(X3,X1)
              | in(X3,X0)
              | ~ in(X3,X2) )
            & ( ( ~ in(X3,X0)
                & in(X3,X2) )
              | ~ in(X3,X1) ) )
        | set_difference(X2,X0) != X1 ) ),
    inference(flattening,[],[f230]) ).

fof(f230,plain,
    ! [X1,X2,X0] :
      ( ( set_difference(X2,X0) = X1
        | ? [X3] :
            ( ( in(X3,X0)
              | ~ in(X3,X2)
              | ~ in(X3,X1) )
            & ( ( ~ in(X3,X0)
                & in(X3,X2) )
              | in(X3,X1) ) ) )
      & ( ! [X3] :
            ( ( in(X3,X1)
              | in(X3,X0)
              | ~ in(X3,X2) )
            & ( ( ~ in(X3,X0)
                & in(X3,X2) )
              | ~ in(X3,X1) ) )
        | set_difference(X2,X0) != X1 ) ),
    inference(nnf_transformation,[],[f155]) ).

fof(f155,plain,
    ! [X1,X2,X0] :
      ( set_difference(X2,X0) = X1
    <=> ! [X3] :
          ( in(X3,X1)
        <=> ( ~ in(X3,X0)
            & in(X3,X2) ) ) ),
    inference(rectify,[],[f17]) ).

fof(f17,axiom,
    ! [X1,X2,X0] :
      ( ! [X3] :
          ( ( in(X3,X0)
            & ~ in(X3,X1) )
        <=> in(X3,X2) )
    <=> set_difference(X0,X1) = X2 ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d4_xboole_0) ).

fof(f508,plain,
    in(sK25,sK24),
    inference(cnf_transformation,[],[f342]) ).

fof(f342,plain,
    ( in(sK25,subset_complement(sK26,sK24))
    & in(sK25,sK24)
    & element(sK24,powerset(sK26)) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK24,sK25,sK26])],[f340,f341]) ).

fof(f341,plain,
    ( ? [X0,X1,X2] :
        ( in(X1,subset_complement(X2,X0))
        & in(X1,X0)
        & element(X0,powerset(X2)) )
   => ( in(sK25,subset_complement(sK26,sK24))
      & in(sK25,sK24)
      & element(sK24,powerset(sK26)) ) ),
    introduced(choice_axiom,[]) ).

fof(f340,plain,
    ? [X0,X1,X2] :
      ( in(X1,subset_complement(X2,X0))
      & in(X1,X0)
      & element(X0,powerset(X2)) ),
    inference(rectify,[],[f219]) ).

fof(f219,plain,
    ? [X0,X2,X1] :
      ( in(X2,subset_complement(X1,X0))
      & in(X2,X0)
      & element(X0,powerset(X1)) ),
    inference(flattening,[],[f218]) ).

fof(f218,plain,
    ? [X0,X2,X1] :
      ( in(X2,subset_complement(X1,X0))
      & in(X2,X0)
      & element(X0,powerset(X1)) ),
    inference(ennf_transformation,[],[f121]) ).

fof(f121,plain,
    ~ ! [X0,X2,X1] :
        ( element(X0,powerset(X1))
       => ~ ( in(X2,subset_complement(X1,X0))
            & in(X2,X0) ) ),
    inference(rectify,[],[f97]) ).

fof(f97,negated_conjecture,
    ~ ! [X2,X0,X1] :
        ( element(X2,powerset(X0))
       => ~ ( in(X1,X2)
            & in(X1,subset_complement(X0,X2)) ) ),
    inference(negated_conjecture,[],[f96]) ).

fof(f96,conjecture,
    ! [X2,X0,X1] :
      ( element(X2,powerset(X0))
     => ~ ( in(X1,X2)
          & in(X1,subset_complement(X0,X2)) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t54_subset_1) ).

fof(f605,plain,
    in(sK25,set_difference(sK26,sK24)),
    inference(backward_demodulation,[],[f509,f602]) ).

fof(f602,plain,
    set_difference(sK26,sK24) = subset_complement(sK26,sK24),
    inference(unit_resulting_resolution,[],[f507,f380]) ).

fof(f380,plain,
    ! [X0,X1] :
      ( ~ element(X0,powerset(X1))
      | set_difference(X1,X0) = subset_complement(X1,X0) ),
    inference(cnf_transformation,[],[f244]) ).

fof(f244,plain,
    ! [X0,X1] :
      ( set_difference(X1,X0) = subset_complement(X1,X0)
      | ~ element(X0,powerset(X1)) ),
    inference(rectify,[],[f170]) ).

fof(f170,plain,
    ! [X1,X0] :
      ( set_difference(X0,X1) = subset_complement(X0,X1)
      | ~ element(X1,powerset(X0)) ),
    inference(ennf_transformation,[],[f18]) ).

fof(f18,axiom,
    ! [X0,X1] :
      ( element(X1,powerset(X0))
     => set_difference(X0,X1) = subset_complement(X0,X1) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d5_subset_1) ).

fof(f507,plain,
    element(sK24,powerset(sK26)),
    inference(cnf_transformation,[],[f342]) ).

fof(f509,plain,
    in(sK25,subset_complement(sK26,sK24)),
    inference(cnf_transformation,[],[f342]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.10/0.11  % Problem    : SEU172+2 : TPTP v8.1.0. Released v3.3.0.
% 0.10/0.12  % Command    : vampire --input_syntax tptp --proof tptp --output_axiom_names on --mode portfolio --schedule snake_tptp_uns --cores 0 -t %d %s
% 0.13/0.33  % Computer : n017.cluster.edu
% 0.13/0.33  % Model    : x86_64 x86_64
% 0.13/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.33  % Memory   : 8042.1875MB
% 0.13/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.33  % CPULimit   : 300
% 0.13/0.33  % WCLimit    : 300
% 0.13/0.33  % DateTime   : Tue Aug 30 14:10:20 EDT 2022
% 0.13/0.34  % CPUTime    : 
% 0.19/0.48  % (4994)lrs+10_5:1_br=off:fde=none:nwc=3.0:sd=1:sgt=10:sos=on:ss=axioms:urr=on:i=51:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/51Mi)
% 0.19/0.49  % (5014)dis+10_1:1_av=off:sos=on:sp=reverse_arity:ss=included:st=2.0:to=lpo:urr=ec_only:i=45:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/45Mi)
% 0.19/0.49  % (5006)lrs+10_1:1_drc=off:sp=reverse_frequency:spb=goal:to=lpo:i=7:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/7Mi)
% 0.19/0.49  % (4996)dis+21_1:1_av=off:sos=on:sp=frequency:ss=included:to=lpo:i=15:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/15Mi)
% 0.19/0.50  % (4994)First to succeed.
% 0.19/0.50  % (4999)dis+10_1:1_newcnf=on:sgt=8:sos=on:ss=axioms:to=lpo:urr=on:i=49:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/49Mi)
% 0.19/0.50  % (4995)lrs+10_1:1024_nm=0:nwc=5.0:ss=axioms:i=13:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/13Mi)
% 0.19/0.50  % (5013)dis+1010_2:3_fs=off:fsr=off:nm=0:nwc=5.0:s2a=on:s2agt=32:i=82:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/82Mi)
% 0.19/0.50  % (4998)lrs+2_1:1_lcm=reverse:lma=on:sos=all:spb=goal_then_units:ss=included:urr=on:i=39:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/39Mi)
% 0.19/0.50  % (5006)Instruction limit reached!
% 0.19/0.50  % (5006)------------------------------
% 0.19/0.50  % (5006)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 0.19/0.50  % (5006)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 0.19/0.50  % (5006)Termination reason: Unknown
% 0.19/0.50  % (5006)Termination phase: Saturation
% 0.19/0.50  
% 0.19/0.50  % (5011)dis+1010_1:1_bs=on:ep=RS:erd=off:newcnf=on:nwc=10.0:s2a=on:sgt=32:ss=axioms:i=30:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/30Mi)
% 0.19/0.50  % (5006)Memory used [KB]: 6268
% 0.19/0.50  % (5006)Time elapsed: 0.008 s
% 0.19/0.50  % (5006)Instructions burned: 8 (million)
% 0.19/0.50  % (5006)------------------------------
% 0.19/0.50  % (5006)------------------------------
% 0.19/0.51  % (4992)lrs+10_1:1_gsp=on:sd=1:sgt=32:sos=on:ss=axioms:i=13:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/13Mi)
% 0.19/0.51  % (5019)dis+2_3:1_aac=none:abs=on:ep=R:lcm=reverse:nwc=10.0:sos=on:sp=const_frequency:spb=units:urr=ec_only:i=8:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/8Mi)
% 0.19/0.51  % (4993)dis+1002_1:1_aac=none:bd=off:sac=on:sos=on:spb=units:i=3:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/3Mi)
% 0.19/0.51  % (4993)Instruction limit reached!
% 0.19/0.51  % (4993)------------------------------
% 0.19/0.51  % (4993)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 0.19/0.51  % (4993)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 0.19/0.51  % (4993)Termination reason: Unknown
% 0.19/0.51  % (4993)Termination phase: Property scanning
% 0.19/0.51  
% 0.19/0.51  % (4993)Memory used [KB]: 1663
% 0.19/0.51  % (4993)Time elapsed: 0.003 s
% 0.19/0.51  % (4993)Instructions burned: 5 (million)
% 0.19/0.51  % (4993)------------------------------
% 0.19/0.51  % (4993)------------------------------
% 0.19/0.51  % (4991)dis+1002_1:12_drc=off:fd=preordered:tgt=full:i=99978:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/99978Mi)
% 0.19/0.51  % (5018)dis+21_1:1_aac=none:abs=on:er=known:fde=none:fsr=off:nwc=5.0:s2a=on:s2at=4.0:sp=const_frequency:to=lpo:urr=ec_only:i=25:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/25Mi)
% 0.19/0.52  % (5004)lrs+10_1:32_br=off:nm=16:sd=2:ss=axioms:st=2.0:urr=on:i=51:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/51Mi)
% 0.19/0.52  % (4994)Refutation found. Thanks to Tanya!
% 0.19/0.52  % SZS status Theorem for theBenchmark
% 0.19/0.52  % SZS output start Proof for theBenchmark
% See solution above
% 0.19/0.52  % (4994)------------------------------
% 0.19/0.52  % (4994)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 0.19/0.52  % (4994)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 0.19/0.52  % (4994)Termination reason: Refutation
% 0.19/0.52  
% 0.19/0.52  % (4994)Memory used [KB]: 6396
% 0.19/0.52  % (4994)Time elapsed: 0.102 s
% 0.19/0.52  % (4994)Instructions burned: 13 (million)
% 0.19/0.52  % (4994)------------------------------
% 0.19/0.52  % (4994)------------------------------
% 0.19/0.52  % (4984)Success in time 0.171 s
%------------------------------------------------------------------------------