TSTP Solution File: KRS187+1 by SnakeForV-SAT---1.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SnakeForV-SAT---1.0
% Problem  : KRS187+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 17:31:03 EDT 2022

% Result   : Theorem 0.20s 0.53s
% Output   : Refutation 0.20s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   11
%            Number of leaves      :    8
% Syntax   : Number of formulae    :   35 (   9 unt;   0 def)
%            Number of atoms       :  104 (   0 equ)
%            Maximal formula atoms :    6 (   2 avg)
%            Number of connectives :  106 (  37   ~;  29   |;  23   &)
%                                         (   7 <=>;  10  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    8 (   5 avg)
%            Maximal term depth    :    2 (   1 avg)
%            Number of predicates  :    4 (   3 usr;   1 prp; 0-3 aty)
%            Number of functors    :    7 (   7 usr;   2 con; 0-2 aty)
%            Number of variables   :   94 (  75   !;  19   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f409,plain,
    $false,
    inference(subsumption_resolution,[],[f408,f280]) ).

fof(f280,plain,
    ~ isa(tac,thm),
    inference(cnf_transformation,[],[f49]) ).

fof(f49,plain,
    ~ isa(tac,thm),
    inference(flattening,[],[f34]) ).

fof(f34,negated_conjecture,
    ~ isa(tac,thm),
    inference(negated_conjecture,[],[f33]) ).

fof(f33,conjecture,
    isa(tac,thm),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',isa_tac_thm) ).

fof(f408,plain,
    isa(tac,thm),
    inference(resolution,[],[f406,f230]) ).

fof(f230,plain,
    ! [X0,X1] :
      ( ~ status(sK12(X0,X1),sK11(X0,X1),X0)
      | isa(X1,X0) ),
    inference(cnf_transformation,[],[f101]) ).

fof(f101,plain,
    ! [X0,X1] :
      ( ( status(sK12(X0,X1),sK11(X0,X1),X1)
        & ~ status(sK12(X0,X1),sK11(X0,X1),X0) )
      | isa(X1,X0) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK11,sK12])],[f99,f100]) ).

fof(f100,plain,
    ! [X0,X1] :
      ( ? [X2,X3] :
          ( status(X3,X2,X1)
          & ~ status(X3,X2,X0) )
     => ( status(sK12(X0,X1),sK11(X0,X1),X1)
        & ~ status(sK12(X0,X1),sK11(X0,X1),X0) ) ),
    introduced(choice_axiom,[]) ).

fof(f99,plain,
    ! [X0,X1] :
      ( ? [X2,X3] :
          ( status(X3,X2,X1)
          & ~ status(X3,X2,X0) )
      | isa(X1,X0) ),
    inference(rectify,[],[f71]) ).

fof(f71,plain,
    ! [X1,X0] :
      ( ? [X3,X2] :
          ( status(X2,X3,X0)
          & ~ status(X2,X3,X1) )
      | isa(X0,X1) ),
    inference(ennf_transformation,[],[f62]) ).

fof(f62,plain,
    ! [X0,X1] :
      ( ! [X3,X2] :
          ( status(X2,X3,X0)
         => status(X2,X3,X1) )
     => isa(X0,X1) ),
    inference(unused_predicate_definition_removal,[],[f44]) ).

fof(f44,plain,
    ! [X0,X1] :
      ( ! [X3,X2] :
          ( status(X2,X3,X0)
         => status(X2,X3,X1) )
    <=> isa(X0,X1) ),
    inference(rectify,[],[f21]) ).

fof(f21,axiom,
    ! [X6,X7] :
      ( ! [X0,X1] :
          ( status(X0,X1,X6)
         => status(X0,X1,X7) )
    <=> isa(X6,X7) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',isa) ).

fof(f406,plain,
    ! [X4] : status(X4,sK11(thm,tac),thm),
    inference(resolution,[],[f400,f306]) ).

fof(f306,plain,
    ! [X0,X1] :
      ( ~ model(sK60(X0,X1),X1)
      | status(X0,X1,thm) ),
    inference(cnf_transformation,[],[f212]) ).

fof(f212,plain,
    ! [X0,X1] :
      ( ( ! [X2] :
            ( model(X2,X1)
            | ~ model(X2,X0) )
        | ~ status(X0,X1,thm) )
      & ( status(X0,X1,thm)
        | ( ~ model(sK60(X0,X1),X1)
          & model(sK60(X0,X1),X0) ) ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK60])],[f210,f211]) ).

fof(f211,plain,
    ! [X0,X1] :
      ( ? [X3] :
          ( ~ model(X3,X1)
          & model(X3,X0) )
     => ( ~ model(sK60(X0,X1),X1)
        & model(sK60(X0,X1),X0) ) ),
    introduced(choice_axiom,[]) ).

fof(f210,plain,
    ! [X0,X1] :
      ( ( ! [X2] :
            ( model(X2,X1)
            | ~ model(X2,X0) )
        | ~ status(X0,X1,thm) )
      & ( status(X0,X1,thm)
        | ? [X3] :
            ( ~ model(X3,X1)
            & model(X3,X0) ) ) ),
    inference(rectify,[],[f209]) ).

fof(f209,plain,
    ! [X1,X0] :
      ( ( ! [X2] :
            ( model(X2,X0)
            | ~ model(X2,X1) )
        | ~ status(X1,X0,thm) )
      & ( status(X1,X0,thm)
        | ? [X2] :
            ( ~ model(X2,X0)
            & model(X2,X1) ) ) ),
    inference(nnf_transformation,[],[f64]) ).

fof(f64,plain,
    ! [X1,X0] :
      ( ! [X2] :
          ( model(X2,X0)
          | ~ model(X2,X1) )
    <=> status(X1,X0,thm) ),
    inference(ennf_transformation,[],[f48]) ).

fof(f48,plain,
    ! [X1,X0] :
      ( status(X1,X0,thm)
    <=> ! [X2] :
          ( model(X2,X1)
         => model(X2,X0) ) ),
    inference(rectify,[],[f5]) ).

fof(f5,axiom,
    ! [X1,X0] :
      ( status(X0,X1,thm)
    <=> ! [X2] :
          ( model(X2,X0)
         => model(X2,X1) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',thm) ).

fof(f400,plain,
    ! [X0] : model(X0,sK11(thm,tac)),
    inference(resolution,[],[f398,f292]) ).

fof(f292,plain,
    ! [X2,X0,X1] :
      ( ~ status(X0,X1,tac)
      | model(X2,X1) ),
    inference(cnf_transformation,[],[f191]) ).

fof(f191,plain,
    ! [X0,X1] :
      ( ( ( ! [X2] : model(X2,X1)
          & model(sK48(X0),X0) )
        | ~ status(X0,X1,tac) )
      & ( status(X0,X1,tac)
        | ~ model(sK49(X1),X1)
        | ! [X5] : ~ model(X5,X0) ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK48,sK49])],[f188,f190,f189]) ).

fof(f189,plain,
    ! [X0] :
      ( ? [X3] : model(X3,X0)
     => model(sK48(X0),X0) ),
    introduced(choice_axiom,[]) ).

fof(f190,plain,
    ! [X1] :
      ( ? [X4] : ~ model(X4,X1)
     => ~ model(sK49(X1),X1) ),
    introduced(choice_axiom,[]) ).

fof(f188,plain,
    ! [X0,X1] :
      ( ( ( ! [X2] : model(X2,X1)
          & ? [X3] : model(X3,X0) )
        | ~ status(X0,X1,tac) )
      & ( status(X0,X1,tac)
        | ? [X4] : ~ model(X4,X1)
        | ! [X5] : ~ model(X5,X0) ) ),
    inference(rectify,[],[f187]) ).

fof(f187,plain,
    ! [X1,X0] :
      ( ( ( ! [X2] : model(X2,X0)
          & ? [X3] : model(X3,X1) )
        | ~ status(X1,X0,tac) )
      & ( status(X1,X0,tac)
        | ? [X2] : ~ model(X2,X0)
        | ! [X3] : ~ model(X3,X1) ) ),
    inference(flattening,[],[f186]) ).

fof(f186,plain,
    ! [X1,X0] :
      ( ( ( ! [X2] : model(X2,X0)
          & ? [X3] : model(X3,X1) )
        | ~ status(X1,X0,tac) )
      & ( status(X1,X0,tac)
        | ? [X2] : ~ model(X2,X0)
        | ! [X3] : ~ model(X3,X1) ) ),
    inference(nnf_transformation,[],[f37]) ).

fof(f37,plain,
    ! [X1,X0] :
      ( ( ! [X2] : model(X2,X0)
        & ? [X3] : model(X3,X1) )
    <=> status(X1,X0,tac) ),
    inference(rectify,[],[f7]) ).

fof(f7,axiom,
    ! [X1,X0] :
      ( status(X0,X1,tac)
    <=> ( ! [X3] : model(X3,X1)
        & ? [X2] : model(X2,X0) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',tac) ).

fof(f398,plain,
    status(sK12(thm,tac),sK11(thm,tac),tac),
    inference(resolution,[],[f231,f280]) ).

fof(f231,plain,
    ! [X0,X1] :
      ( isa(X1,X0)
      | status(sK12(X0,X1),sK11(X0,X1),X1) ),
    inference(cnf_transformation,[],[f101]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.12/0.12  % Problem    : KRS187+1 : TPTP v8.1.0. Bugfixed v5.4.0.
% 0.12/0.13  % Command    : vampire --input_syntax tptp --proof tptp --output_axiom_names on --mode portfolio --schedule snake_tptp_sat --cores 0 -t %d %s
% 0.14/0.34  % Computer : n027.cluster.edu
% 0.14/0.34  % Model    : x86_64 x86_64
% 0.14/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.34  % Memory   : 8042.1875MB
% 0.14/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.14/0.34  % CPULimit   : 300
% 0.14/0.34  % WCLimit    : 300
% 0.14/0.34  % DateTime   : Tue Aug 30 00:50:30 EDT 2022
% 0.14/0.35  % CPUTime    : 
% 0.20/0.50  % (28512)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)
% 0.20/0.50  % (28522)ott+10_1:5_bd=off:tgt=full:i=99:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/99Mi)
% 0.20/0.50  % (28520)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)
% 0.20/0.51  % (28508)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)
% 0.20/0.51  % (28514)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)
% 0.20/0.52  TRYING [1]
% 0.20/0.52  % (28526)fmb+10_1:1_bce=on:i=59:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/59Mi)
% 0.20/0.52  % (28517)dis+2_1:64_add=large:bce=on:bd=off:i=2:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/2Mi)
% 0.20/0.52  % (28529)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)
% 0.20/0.52  % (28537)ott+33_1:4_s2a=on:tgt=ground:i=439:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/439Mi)
% 0.20/0.52  % (28521)ott+10_1:28_bd=off:bs=on:tgt=ground:i=101:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/101Mi)
% 0.20/0.52  % (28529)First to succeed.
% 0.20/0.52  % (28527)ott+10_1:1_tgt=ground:i=100:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/100Mi)
% 0.20/0.52  % (28519)ott+2_1:1_fsr=off:gsp=on:i=50:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/50Mi)
% 0.20/0.53  % (28529)Refutation found. Thanks to Tanya!
% 0.20/0.53  % SZS status Theorem for theBenchmark
% 0.20/0.53  % SZS output start Proof for theBenchmark
% See solution above
% 0.20/0.53  % (28529)------------------------------
% 0.20/0.53  % (28529)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 0.20/0.53  % (28529)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 0.20/0.53  % (28529)Termination reason: Refutation
% 0.20/0.53  
% 0.20/0.53  % (28529)Memory used [KB]: 5628
% 0.20/0.53  % (28529)Time elapsed: 0.114 s
% 0.20/0.53  % (28529)Instructions burned: 8 (million)
% 0.20/0.53  % (28529)------------------------------
% 0.20/0.53  % (28529)------------------------------
% 0.20/0.53  % (28503)Success in time 0.172 s
%------------------------------------------------------------------------------