TSTP Solution File: SET902+1 by SnakeForV-SAT---1.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SnakeForV-SAT---1.0
% Problem  : SET902+1 : TPTP v8.1.0. Released v3.2.0.
% 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 : n027.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 18:26:03 EDT 2022

% Result   : Theorem 0.19s 0.52s
% Output   : Refutation 0.19s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   10
%            Number of leaves      :   14
% Syntax   : Number of formulae    :   70 (  21 unt;   0 def)
%            Number of atoms       :  153 (  91 equ)
%            Maximal formula atoms :    7 (   2 avg)
%            Number of connectives :  157 (  74   ~;  54   |;  21   &)
%                                         (   8 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   11 (   3 avg)
%            Maximal term depth    :    2 (   1 avg)
%            Number of predicates  :    9 (   7 usr;   7 prp; 0-2 aty)
%            Number of functors    :    8 (   8 usr;   6 con; 0-2 aty)
%            Number of variables   :   39 (  36   !;   3   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f183,plain,
    $false,
    inference(avatar_sat_refutation,[],[f55,f64,f65,f118,f123,f147,f162,f180]) ).

fof(f180,plain,
    ( spl7_2
    | ~ spl7_8 ),
    inference(avatar_contradiction_clause,[],[f179]) ).

fof(f179,plain,
    ( $false
    | spl7_2
    | ~ spl7_8 ),
    inference(trivial_inequality_removal,[],[f171]) ).

fof(f171,plain,
    ( sK2 != sK2
    | spl7_2
    | ~ spl7_8 ),
    inference(superposition,[],[f66,f122]) ).

fof(f122,plain,
    ( sK2 = sF5
    | ~ spl7_8 ),
    inference(avatar_component_clause,[],[f120]) ).

fof(f120,plain,
    ( spl7_8
  <=> sK2 = sF5 ),
    introduced(avatar_definition,[new_symbols(naming,[spl7_8])]) ).

fof(f66,plain,
    ( sK2 != sF5
    | spl7_2 ),
    inference(superposition,[],[f54,f43]) ).

fof(f43,plain,
    sF5 = sF6,
    inference(definition_folding,[],[f35,f42,f41]) ).

fof(f41,plain,
    sF5 = set_union2(sK2,sK1),
    introduced(function_definition,[]) ).

fof(f42,plain,
    sF6 = singleton(sK3),
    introduced(function_definition,[]) ).

fof(f35,plain,
    set_union2(sK2,sK1) = singleton(sK3),
    inference(cnf_transformation,[],[f19]) ).

fof(f19,plain,
    ? [X1,X0,X2] :
      ( ( singleton(X2) != X0
        | empty_set != X1 )
      & ( singleton(X2) != X0
        | singleton(X2) != X1 )
      & ( singleton(X2) != X1
        | empty_set != X0 )
      & set_union2(X0,X1) = singleton(X2) ),
    inference(ennf_transformation,[],[f17]) ).

fof(f17,plain,
    ~ ! [X2,X1,X0] :
        ~ ( ~ ( empty_set = X1
              & singleton(X2) = X0 )
          & ~ ( singleton(X2) = X1
              & empty_set = X0 )
          & ~ ( singleton(X2) = X1
              & singleton(X2) = X0 )
          & set_union2(X0,X1) = singleton(X2) ),
    inference(rectify,[],[f12]) ).

fof(f12,negated_conjecture,
    ~ ! [X1,X2,X0] :
        ~ ( ~ ( empty_set = X1
              & singleton(X0) = X2 )
          & ~ ( empty_set = X2
              & singleton(X0) = X1 )
          & ~ ( singleton(X0) = X1
              & singleton(X0) = X2 )
          & singleton(X0) = set_union2(X1,X2) ),
    inference(negated_conjecture,[],[f11]) ).

fof(f11,conjecture,
    ! [X1,X2,X0] :
      ~ ( ~ ( empty_set = X1
            & singleton(X0) = X2 )
        & ~ ( empty_set = X2
            & singleton(X0) = X1 )
        & ~ ( singleton(X0) = X1
            & singleton(X0) = X2 )
        & singleton(X0) = set_union2(X1,X2) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t43_zfmisc_1) ).

fof(f54,plain,
    ( sK2 != sF6
    | spl7_2 ),
    inference(avatar_component_clause,[],[f52]) ).

fof(f52,plain,
    ( spl7_2
  <=> sK2 = sF6 ),
    introduced(avatar_definition,[new_symbols(naming,[spl7_2])]) ).

fof(f162,plain,
    ( spl7_3
    | ~ spl7_7 ),
    inference(avatar_contradiction_clause,[],[f161]) ).

fof(f161,plain,
    ( $false
    | spl7_3
    | ~ spl7_7 ),
    inference(trivial_inequality_removal,[],[f154]) ).

fof(f154,plain,
    ( sK1 != sK1
    | spl7_3
    | ~ spl7_7 ),
    inference(superposition,[],[f67,f117]) ).

fof(f117,plain,
    ( sK1 = sF5
    | ~ spl7_7 ),
    inference(avatar_component_clause,[],[f115]) ).

fof(f115,plain,
    ( spl7_7
  <=> sK1 = sF5 ),
    introduced(avatar_definition,[new_symbols(naming,[spl7_7])]) ).

fof(f67,plain,
    ( sK1 != sF5
    | spl7_3 ),
    inference(superposition,[],[f59,f43]) ).

fof(f59,plain,
    ( sK1 != sF6
    | spl7_3 ),
    inference(avatar_component_clause,[],[f57]) ).

fof(f57,plain,
    ( spl7_3
  <=> sK1 = sF6 ),
    introduced(avatar_definition,[new_symbols(naming,[spl7_3])]) ).

fof(f147,plain,
    ( ~ spl7_1
    | ~ spl7_4 ),
    inference(avatar_contradiction_clause,[],[f146]) ).

fof(f146,plain,
    ( $false
    | ~ spl7_1
    | ~ spl7_4 ),
    inference(trivial_inequality_removal,[],[f141]) ).

fof(f141,plain,
    ( empty_set != empty_set
    | ~ spl7_1
    | ~ spl7_4 ),
    inference(superposition,[],[f71,f128]) ).

fof(f128,plain,
    ( empty_set = sF5
    | ~ spl7_1
    | ~ spl7_4 ),
    inference(forward_demodulation,[],[f127,f38]) ).

fof(f38,plain,
    ! [X1] : set_union2(X1,X1) = X1,
    inference(cnf_transformation,[],[f15]) ).

fof(f15,plain,
    ! [X1] : set_union2(X1,X1) = X1,
    inference(rectify,[],[f5]) ).

fof(f5,axiom,
    ! [X1,X0] : set_union2(X0,X0) = X0,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',idempotence_k2_xboole_0) ).

fof(f127,plain,
    ( set_union2(empty_set,empty_set) = sF5
    | ~ spl7_1
    | ~ spl7_4 ),
    inference(forward_demodulation,[],[f124,f62]) ).

fof(f62,plain,
    ( empty_set = sK2
    | ~ spl7_4 ),
    inference(avatar_component_clause,[],[f61]) ).

fof(f61,plain,
    ( spl7_4
  <=> empty_set = sK2 ),
    introduced(avatar_definition,[new_symbols(naming,[spl7_4])]) ).

fof(f124,plain,
    ( set_union2(empty_set,sK2) = sF5
    | ~ spl7_1 ),
    inference(superposition,[],[f96,f49]) ).

fof(f49,plain,
    ( empty_set = sK1
    | ~ spl7_1 ),
    inference(avatar_component_clause,[],[f48]) ).

fof(f48,plain,
    ( spl7_1
  <=> empty_set = sK1 ),
    introduced(avatar_definition,[new_symbols(naming,[spl7_1])]) ).

fof(f96,plain,
    set_union2(sK1,sK2) = sF5,
    inference(superposition,[],[f41,f27]) ).

fof(f27,plain,
    ! [X0,X1] : set_union2(X0,X1) = set_union2(X1,X0),
    inference(cnf_transformation,[],[f16]) ).

fof(f16,plain,
    ! [X1,X0] : set_union2(X0,X1) = set_union2(X1,X0),
    inference(rectify,[],[f1]) ).

fof(f1,axiom,
    ! [X1,X0] : set_union2(X0,X1) = set_union2(X1,X0),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',commutativity_k2_xboole_0) ).

fof(f71,plain,
    empty_set != sF5,
    inference(superposition,[],[f69,f43]) ).

fof(f69,plain,
    empty_set != sF6,
    inference(superposition,[],[f26,f42]) ).

fof(f26,plain,
    ! [X0] : empty_set != singleton(X0),
    inference(cnf_transformation,[],[f6]) ).

fof(f6,axiom,
    ! [X0] : empty_set != singleton(X0),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',l1_zfmisc_1) ).

fof(f123,plain,
    ( spl7_8
    | spl7_4 ),
    inference(avatar_split_clause,[],[f113,f61,f120]) ).

fof(f113,plain,
    ( empty_set = sK2
    | sK2 = sF5 ),
    inference(resolution,[],[f109,f73]) ).

fof(f73,plain,
    subset(sK2,sF5),
    inference(superposition,[],[f29,f41]) ).

fof(f29,plain,
    ! [X0,X1] : subset(X0,set_union2(X0,X1)),
    inference(cnf_transformation,[],[f13]) ).

fof(f13,axiom,
    ! [X0,X1] : subset(X0,set_union2(X0,X1)),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t7_xboole_1) ).

fof(f109,plain,
    ! [X0] :
      ( ~ subset(X0,sF5)
      | sF5 = X0
      | empty_set = X0 ),
    inference(forward_demodulation,[],[f108,f43]) ).

fof(f108,plain,
    ! [X0] :
      ( ~ subset(X0,sF5)
      | sF6 = X0
      | empty_set = X0 ),
    inference(forward_demodulation,[],[f107,f43]) ).

fof(f107,plain,
    ! [X0] :
      ( empty_set = X0
      | ~ subset(X0,sF6)
      | sF6 = X0 ),
    inference(superposition,[],[f25,f42]) ).

fof(f25,plain,
    ! [X0,X1] :
      ( ~ subset(X1,singleton(X0))
      | singleton(X0) = X1
      | empty_set = X1 ),
    inference(cnf_transformation,[],[f18]) ).

fof(f18,plain,
    ! [X0,X1] :
      ( ( empty_set = X1
        | singleton(X0) = X1 )
    <=> subset(X1,singleton(X0)) ),
    inference(rectify,[],[f7]) ).

fof(f7,axiom,
    ! [X1,X0] :
      ( subset(X0,singleton(X1))
    <=> ( singleton(X1) = X0
        | empty_set = X0 ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',l4_zfmisc_1) ).

fof(f118,plain,
    ( spl7_7
    | spl7_1 ),
    inference(avatar_split_clause,[],[f112,f48,f115]) ).

fof(f112,plain,
    ( empty_set = sK1
    | sK1 = sF5 ),
    inference(resolution,[],[f109,f100]) ).

fof(f100,plain,
    subset(sK1,sF5),
    inference(superposition,[],[f95,f41]) ).

fof(f95,plain,
    ! [X4,X5] : subset(X4,set_union2(X5,X4)),
    inference(superposition,[],[f29,f27]) ).

fof(f65,plain,
    ( ~ spl7_3
    | ~ spl7_2 ),
    inference(avatar_split_clause,[],[f45,f52,f57]) ).

fof(f45,plain,
    ( sK2 != sF6
    | sK1 != sF6 ),
    inference(definition_folding,[],[f33,f42,f42]) ).

fof(f33,plain,
    ( sK1 != singleton(sK3)
    | sK2 != singleton(sK3) ),
    inference(cnf_transformation,[],[f19]) ).

fof(f64,plain,
    ( ~ spl7_3
    | ~ spl7_4 ),
    inference(avatar_split_clause,[],[f44,f61,f57]) ).

fof(f44,plain,
    ( empty_set != sK2
    | sK1 != sF6 ),
    inference(definition_folding,[],[f34,f42]) ).

fof(f34,plain,
    ( empty_set != sK2
    | sK1 != singleton(sK3) ),
    inference(cnf_transformation,[],[f19]) ).

fof(f55,plain,
    ( ~ spl7_1
    | ~ spl7_2 ),
    inference(avatar_split_clause,[],[f46,f52,f48]) ).

fof(f46,plain,
    ( sK2 != sF6
    | empty_set != sK1 ),
    inference(definition_folding,[],[f32,f42]) ).

fof(f32,plain,
    ( empty_set != sK1
    | sK2 != singleton(sK3) ),
    inference(cnf_transformation,[],[f19]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.06/0.12  % Problem    : SET902+1 : TPTP v8.1.0. Released v3.2.0.
% 0.06/0.12  % Command    : vampire --input_syntax tptp --proof tptp --output_axiom_names on --mode portfolio --schedule snake_tptp_sat --cores 0 -t %d %s
% 0.13/0.34  % Computer : n027.cluster.edu
% 0.13/0.34  % Model    : x86_64 x86_64
% 0.13/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.34  % Memory   : 8042.1875MB
% 0.13/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.34  % CPULimit   : 300
% 0.13/0.34  % WCLimit    : 300
% 0.13/0.34  % DateTime   : Tue Aug 30 14:44:16 EDT 2022
% 0.13/0.34  % CPUTime    : 
% 0.19/0.50  % (12925)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)
% 0.19/0.50  % (12924)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)
% 0.19/0.50  TRYING [1]
% 0.19/0.50  % (12927)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)
% 0.19/0.51  % (12927)First to succeed.
% 0.19/0.51  % (12947)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)
% 0.19/0.51  % (12951)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)
% 0.19/0.51  % (12926)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)
% 0.19/0.52  % (12937)ott+10_1:5_bd=off:tgt=full:i=99:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/99Mi)
% 0.19/0.52  % (12935)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)
% 0.19/0.52  % (12939)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)
% 0.19/0.52  % (12930)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)
% 0.19/0.52  TRYING [1]
% 0.19/0.52  TRYING [2]
% 0.19/0.52  % (12932)dis+2_1:64_add=large:bce=on:bd=off:i=2:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/2Mi)
% 0.19/0.52  TRYING [3]
% 0.19/0.52  TRYING [4]
% 0.19/0.52  % (12927)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  % (12927)------------------------------
% 0.19/0.52  % (12927)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 0.19/0.52  % (12927)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 0.19/0.52  % (12927)Termination reason: Refutation
% 0.19/0.52  
% 0.19/0.52  % (12927)Memory used [KB]: 5500
% 0.19/0.52  % (12927)Time elapsed: 0.105 s
% 0.19/0.52  % (12927)Instructions burned: 3 (million)
% 0.19/0.52  % (12927)------------------------------
% 0.19/0.52  % (12927)------------------------------
% 0.19/0.52  % (12922)Success in time 0.177 s
%------------------------------------------------------------------------------