TSTP Solution File: SET071+1 by SnakeForV-SAT---1.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SnakeForV-SAT---1.0
% Problem  : SET071+1 : TPTP v8.1.0. Bugfixed v5.4.0.
% 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 18:23:31 EDT 2022

% Result   : Theorem 0.18s 0.57s
% Output   : Refutation 0.18s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   10
%            Number of leaves      :    8
% Syntax   : Number of formulae    :   42 (   8 unt;   0 def)
%            Number of atoms       :  125 (  50 equ)
%            Maximal formula atoms :    8 (   2 avg)
%            Number of connectives :  136 (  53   ~;  36   |;  37   &)
%                                         (   4 <=>;   6  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    9 (   4 avg)
%            Maximal term depth    :    2 (   1 avg)
%            Number of predicates  :    6 (   4 usr;   3 prp; 0-2 aty)
%            Number of functors    :    7 (   7 usr;   5 con; 0-2 aty)
%            Number of variables   :   42 (  30   !;  12   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f894,plain,
    $false,
    inference(avatar_sat_refutation,[],[f868,f884,f892]) ).

fof(f892,plain,
    ~ spl9_49,
    inference(avatar_contradiction_clause,[],[f891]) ).

fof(f891,plain,
    ( $false
    | ~ spl9_49 ),
    inference(subsumption_resolution,[],[f890,f288]) ).

fof(f288,plain,
    null_class != sF8,
    inference(definition_folding,[],[f214,f287]) ).

fof(f287,plain,
    unordered_pair(sK4,sK3) = sF8,
    introduced(function_definition,[]) ).

fof(f214,plain,
    null_class != unordered_pair(sK4,sK3),
    inference(cnf_transformation,[],[f133]) ).

fof(f133,plain,
    ( null_class != unordered_pair(sK4,sK3)
    & ~ member(sK3,universal_class)
    & ~ member(sK4,universal_class) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK3,sK4])],[f131,f132]) ).

fof(f132,plain,
    ( ? [X0,X1] :
        ( null_class != unordered_pair(X1,X0)
        & ~ member(X0,universal_class)
        & ~ member(X1,universal_class) )
   => ( null_class != unordered_pair(sK4,sK3)
      & ~ member(sK3,universal_class)
      & ~ member(sK4,universal_class) ) ),
    introduced(choice_axiom,[]) ).

fof(f131,plain,
    ? [X0,X1] :
      ( null_class != unordered_pair(X1,X0)
      & ~ member(X0,universal_class)
      & ~ member(X1,universal_class) ),
    inference(rectify,[],[f84]) ).

fof(f84,plain,
    ? [X1,X0] :
      ( unordered_pair(X0,X1) != null_class
      & ~ member(X1,universal_class)
      & ~ member(X0,universal_class) ),
    inference(flattening,[],[f83]) ).

fof(f83,plain,
    ? [X1,X0] :
      ( unordered_pair(X0,X1) != null_class
      & ~ member(X0,universal_class)
      & ~ member(X1,universal_class) ),
    inference(ennf_transformation,[],[f45]) ).

fof(f45,negated_conjecture,
    ~ ! [X1,X0] :
        ( ( ~ member(X0,universal_class)
          & ~ member(X1,universal_class) )
       => unordered_pair(X0,X1) = null_class ),
    inference(negated_conjecture,[],[f44]) ).

fof(f44,conjecture,
    ! [X1,X0] :
      ( ( ~ member(X0,universal_class)
        & ~ member(X1,universal_class) )
     => unordered_pair(X0,X1) = null_class ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',null_unordered_pair) ).

fof(f890,plain,
    ( null_class = sF8
    | ~ spl9_49 ),
    inference(subsumption_resolution,[],[f887,f213]) ).

fof(f213,plain,
    ~ member(sK3,universal_class),
    inference(cnf_transformation,[],[f133]) ).

fof(f887,plain,
    ( member(sK3,universal_class)
    | null_class = sF8
    | ~ spl9_49 ),
    inference(superposition,[],[f196,f867]) ).

fof(f867,plain,
    ( sK2(sF8) = sK3
    | ~ spl9_49 ),
    inference(avatar_component_clause,[],[f865]) ).

fof(f865,plain,
    ( spl9_49
  <=> sK2(sF8) = sK3 ),
    introduced(avatar_definition,[new_symbols(naming,[spl9_49])]) ).

fof(f196,plain,
    ! [X0] :
      ( member(sK2(X0),universal_class)
      | null_class = X0 ),
    inference(cnf_transformation,[],[f120]) ).

fof(f120,plain,
    ! [X0] :
      ( null_class = X0
      | ( member(sK2(X0),X0)
        & member(sK2(X0),universal_class)
        & disjoint(sK2(X0),X0) ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK2])],[f82,f119]) ).

fof(f119,plain,
    ! [X0] :
      ( ? [X1] :
          ( member(X1,X0)
          & member(X1,universal_class)
          & disjoint(X1,X0) )
     => ( member(sK2(X0),X0)
        & member(sK2(X0),universal_class)
        & disjoint(sK2(X0),X0) ) ),
    introduced(choice_axiom,[]) ).

fof(f82,plain,
    ! [X0] :
      ( null_class = X0
      | ? [X1] :
          ( member(X1,X0)
          & member(X1,universal_class)
          & disjoint(X1,X0) ) ),
    inference(ennf_transformation,[],[f65]) ).

fof(f65,plain,
    ! [X0] :
      ( null_class != X0
     => ? [X1] :
          ( member(X1,X0)
          & member(X1,universal_class)
          & disjoint(X1,X0) ) ),
    inference(rectify,[],[f41]) ).

fof(f41,axiom,
    ! [X0] :
      ( null_class != X0
     => ? [X2] :
          ( disjoint(X2,X0)
          & member(X2,X0)
          & member(X2,universal_class) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',regularity) ).

fof(f884,plain,
    ~ spl9_48,
    inference(avatar_contradiction_clause,[],[f883]) ).

fof(f883,plain,
    ( $false
    | ~ spl9_48 ),
    inference(subsumption_resolution,[],[f882,f288]) ).

fof(f882,plain,
    ( null_class = sF8
    | ~ spl9_48 ),
    inference(subsumption_resolution,[],[f878,f212]) ).

fof(f212,plain,
    ~ member(sK4,universal_class),
    inference(cnf_transformation,[],[f133]) ).

fof(f878,plain,
    ( member(sK4,universal_class)
    | null_class = sF8
    | ~ spl9_48 ),
    inference(superposition,[],[f196,f863]) ).

fof(f863,plain,
    ( sK4 = sK2(sF8)
    | ~ spl9_48 ),
    inference(avatar_component_clause,[],[f861]) ).

fof(f861,plain,
    ( spl9_48
  <=> sK4 = sK2(sF8) ),
    introduced(avatar_definition,[new_symbols(naming,[spl9_48])]) ).

fof(f868,plain,
    ( spl9_48
    | spl9_49 ),
    inference(avatar_split_clause,[],[f859,f865,f861]) ).

fof(f859,plain,
    ( sK2(sF8) = sK3
    | sK4 = sK2(sF8) ),
    inference(subsumption_resolution,[],[f854,f288]) ).

fof(f854,plain,
    ( sK2(sF8) = sK3
    | null_class = sF8
    | sK4 = sK2(sF8) ),
    inference(resolution,[],[f771,f197]) ).

fof(f197,plain,
    ! [X0] :
      ( member(sK2(X0),X0)
      | null_class = X0 ),
    inference(cnf_transformation,[],[f120]) ).

fof(f771,plain,
    ! [X0] :
      ( ~ member(X0,sF8)
      | sK3 = X0
      | sK4 = X0 ),
    inference(superposition,[],[f201,f287]) ).

fof(f201,plain,
    ! [X2,X0,X1] :
      ( ~ member(X1,unordered_pair(X0,X2))
      | X1 = X2
      | X0 = X1 ),
    inference(cnf_transformation,[],[f123]) ).

fof(f123,plain,
    ! [X0,X1,X2] :
      ( ( ( ( X1 = X2
            | X0 = X1 )
          & member(X1,universal_class) )
        | ~ member(X1,unordered_pair(X0,X2)) )
      & ( member(X1,unordered_pair(X0,X2))
        | ( X1 != X2
          & X0 != X1 )
        | ~ member(X1,universal_class) ) ),
    inference(rectify,[],[f122]) ).

fof(f122,plain,
    ! [X2,X0,X1] :
      ( ( ( ( X0 = X1
            | X0 = X2 )
          & member(X0,universal_class) )
        | ~ member(X0,unordered_pair(X2,X1)) )
      & ( member(X0,unordered_pair(X2,X1))
        | ( X0 != X1
          & X0 != X2 )
        | ~ member(X0,universal_class) ) ),
    inference(flattening,[],[f121]) ).

fof(f121,plain,
    ! [X2,X0,X1] :
      ( ( ( ( X0 = X1
            | X0 = X2 )
          & member(X0,universal_class) )
        | ~ member(X0,unordered_pair(X2,X1)) )
      & ( member(X0,unordered_pair(X2,X1))
        | ( X0 != X1
          & X0 != X2 )
        | ~ member(X0,universal_class) ) ),
    inference(nnf_transformation,[],[f49]) ).

fof(f49,plain,
    ! [X2,X0,X1] :
      ( ( ( X0 = X1
          | X0 = X2 )
        & member(X0,universal_class) )
    <=> member(X0,unordered_pair(X2,X1)) ),
    inference(rectify,[],[f4]) ).

fof(f4,axiom,
    ! [X2,X1,X0] :
      ( ( member(X2,universal_class)
        & ( X0 = X2
          | X1 = X2 ) )
    <=> member(X2,unordered_pair(X0,X1)) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',unordered_pair_defn) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.11/0.12  % Problem    : SET071+1 : TPTP v8.1.0. Bugfixed v5.4.0.
% 0.11/0.12  % 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 : n027.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 13:23:16 EDT 2022
% 0.12/0.33  % CPUTime    : 
% 0.18/0.49  % (15973)dis+10_1:1_fsd=on:sp=occurrence:i=7:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/7Mi)
% 0.18/0.49  % (15973)Instruction limit reached!
% 0.18/0.49  % (15973)------------------------------
% 0.18/0.49  % (15973)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 0.18/0.50  % (15989)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)
% 0.18/0.50  % (15966)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)
% 0.18/0.50  % (15973)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 0.18/0.50  % (15973)Termination reason: Unknown
% 0.18/0.50  % (15973)Termination phase: Saturation
% 0.18/0.50  
% 0.18/0.50  % (15973)Memory used [KB]: 5500
% 0.18/0.50  % (15973)Time elapsed: 0.102 s
% 0.18/0.50  % (15973)Instructions burned: 7 (million)
% 0.18/0.51  % (15973)------------------------------
% 0.18/0.51  % (15973)------------------------------
% 0.18/0.51  % (15978)ott+10_1:28_bd=off:bs=on:tgt=ground:i=101:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/101Mi)
% 0.18/0.51  % (15986)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 (2999ds/176Mi)
% 0.18/0.51  % (15969)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)
% 0.18/0.51  % (15980)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)
% 0.18/0.52  % (15972)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)
% 0.18/0.52  % (15975)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 (2999ds/51Mi)
% 0.18/0.52  % (15993)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)
% 0.18/0.52  % (15995)ott+10_7:2_awrs=decay:awrsf=8:bd=preordered:drc=off:fd=preordered:fde=unused:fsr=off:slsq=on:slsqc=2:slsqr=5,8:sp=const_min:spb=units:to=lpo:i=355:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/355Mi)
% 0.18/0.52  % (15994)ott+33_1:4_s2a=on:tgt=ground:i=439:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/439Mi)
% 0.18/0.52  % (15970)ott+33_1:4_s2a=on:tgt=ground:i=51:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/51Mi)
% 0.18/0.52  % (15971)dis+34_1:32_abs=on:add=off:bsr=on:gsp=on:sp=weighted_frequency:i=48:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/48Mi)
% 0.18/0.52  % (15992)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)
% 0.18/0.52  % (15974)dis+2_1:64_add=large:bce=on:bd=off:i=2:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/2Mi)
% 0.18/0.52  % (15974)Instruction limit reached!
% 0.18/0.52  % (15974)------------------------------
% 0.18/0.52  % (15974)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 0.18/0.52  % (15974)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 0.18/0.52  % (15974)Termination reason: Unknown
% 0.18/0.52  % (15974)Termination phase: Preprocessing 1
% 0.18/0.52  
% 0.18/0.52  % (15974)Memory used [KB]: 895
% 0.18/0.52  % (15974)Time elapsed: 0.002 s
% 0.18/0.52  % (15974)Instructions burned: 2 (million)
% 0.18/0.52  % (15974)------------------------------
% 0.18/0.52  % (15974)------------------------------
% 0.18/0.53  % (15968)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)
% 0.18/0.53  % (15984)ott+10_1:1_tgt=ground:i=100:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/100Mi)
% 0.18/0.53  % (15988)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)
% 0.18/0.53  % (15990)ott+10_1:1_kws=precedence:tgt=ground:i=482:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/482Mi)
% 0.18/0.53  % (15987)ott+3_1:1_gsp=on:lcm=predicate:i=138:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/138Mi)
% 0.18/0.53  % (15985)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)
% 0.18/0.53  % (15967)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)
% 0.18/0.53  % (15991)ott+10_1:5_bd=off:tgt=full:i=500:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/500Mi)
% 0.18/0.54  % (15967)Refutation not found, incomplete strategy% (15967)------------------------------
% 0.18/0.54  % (15967)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 0.18/0.54  % (15967)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 0.18/0.54  % (15967)Termination reason: Refutation not found, incomplete strategy
% 0.18/0.54  
% 0.18/0.54  % (15967)Memory used [KB]: 5628
% 0.18/0.54  % (15967)Time elapsed: 0.144 s
% 0.18/0.54  % (15967)Instructions burned: 10 (million)
% 0.18/0.54  % (15967)------------------------------
% 0.18/0.54  % (15967)------------------------------
% 0.18/0.54  % (15979)ott+10_1:5_bd=off:tgt=full:i=99:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/99Mi)
% 0.18/0.54  % (15977)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)
% 0.18/0.54  % (15983)fmb+10_1:1_bce=on:i=59:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/59Mi)
% 0.18/0.54  % (15976)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  % (15982)dis+34_1:32_abs=on:add=off:bsr=on:gsp=on:sp=weighted_frequency:i=99:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/99Mi)
% 0.18/0.55  % (15981)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)
% 0.18/0.55  TRYING [1]
% 0.18/0.55  % (15978)First to succeed.
% 0.18/0.56  TRYING [2]
% 0.18/0.57  % (15978)Refutation found. Thanks to Tanya!
% 0.18/0.57  % SZS status Theorem for theBenchmark
% 0.18/0.57  % SZS output start Proof for theBenchmark
% See solution above
% 0.18/0.58  % (15978)------------------------------
% 0.18/0.58  % (15978)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 0.18/0.58  % (15978)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 0.18/0.58  % (15978)Termination reason: Refutation
% 0.18/0.58  
% 0.18/0.58  % (15978)Memory used [KB]: 6012
% 0.18/0.58  % (15978)Time elapsed: 0.161 s
% 0.18/0.58  % (15978)Instructions burned: 27 (million)
% 0.18/0.58  % (15978)------------------------------
% 0.18/0.58  % (15978)------------------------------
% 0.18/0.58  % (15965)Success in time 0.232 s
%------------------------------------------------------------------------------