TSTP Solution File: SWC219-1 by SnakeForV-SAT---1.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SnakeForV-SAT---1.0
% Problem  : SWC219-1 : TPTP v8.1.0. Released v2.4.0.
% 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 : n011.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 18:42:27 EDT 2022

% Result   : Unsatisfiable 0.16s 0.50s
% Output   : Refutation 0.16s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   11
%            Number of leaves      :   12
% Syntax   : Number of formulae    :   32 (  13 unt;   0 def)
%            Number of atoms       :   71 (  30 equ)
%            Maximal formula atoms :    7 (   2 avg)
%            Number of connectives :   85 (  46   ~;  39   |;   0   &)
%                                         (   0 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   10 (   3 avg)
%            Maximal term depth    :    4 (   1 avg)
%            Number of predicates  :    5 (   3 usr;   1 prp; 0-2 aty)
%            Number of functors    :    8 (   8 usr;   5 con; 0-3 aty)
%            Number of variables   :   22 (  22   !;   0   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f397,plain,
    $false,
    inference(subsumption_resolution,[],[f396,f8]) ).

fof(f8,axiom,
    ssList(nil),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause8) ).

fof(f396,plain,
    ~ ssList(nil),
    inference(trivial_inequality_removal,[],[f395]) ).

fof(f395,plain,
    ( sk1 != sk1
    | ~ ssList(nil) ),
    inference(superposition,[],[f380,f348]) ).

fof(f348,plain,
    sk1 = app(sk1,nil),
    inference(resolution,[],[f73,f186]) ).

fof(f186,axiom,
    ssList(sk1),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1_1) ).

fof(f73,axiom,
    ! [X0] :
      ( ~ ssList(X0)
      | app(X0,nil) = X0 ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause73) ).

fof(f380,plain,
    ! [X0] :
      ( sk1 != app(sk1,X0)
      | ~ ssList(X0) ),
    inference(backward_demodulation,[],[f270,f378]) ).

fof(f378,plain,
    sk1 = app(nil,sk1),
    inference(resolution,[],[f74,f186]) ).

fof(f74,axiom,
    ! [X0] :
      ( ~ ssList(X0)
      | app(nil,X0) = X0 ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause74) ).

fof(f270,plain,
    ! [X0] :
      ( sk1 != app(app(nil,sk1),X0)
      | ~ ssList(X0) ),
    inference(subsumption_resolution,[],[f269,f253]) ).

fof(f253,plain,
    ssItem(sk6),
    inference(subsumption_resolution,[],[f244,f192]) ).

fof(f192,axiom,
    nil != sk1,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1_7) ).

fof(f244,plain,
    ( nil = sk1
    | ssItem(sk6) ),
    inference(backward_demodulation,[],[f199,f191]) ).

fof(f191,axiom,
    sk1 = sk3,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1_6) ).

fof(f199,axiom,
    ( ssItem(sk6)
    | nil = sk3 ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1_14) ).

fof(f269,plain,
    ! [X0] :
      ( ~ ssList(X0)
      | ~ ssItem(sk6)
      | sk1 != app(app(nil,sk1),X0) ),
    inference(superposition,[],[f268,f256]) ).

fof(f256,plain,
    sk1 = cons(sk6,nil),
    inference(forward_demodulation,[],[f230,f251]) ).

fof(f251,plain,
    sk1 = sF0,
    inference(forward_demodulation,[],[f250,f191]) ).

fof(f250,plain,
    sk3 = sF0,
    inference(subsumption_resolution,[],[f245,f192]) ).

fof(f245,plain,
    ( nil = sk1
    | sk3 = sF0 ),
    inference(backward_demodulation,[],[f231,f191]) ).

fof(f231,plain,
    ( sk3 = sF0
    | nil = sk3 ),
    inference(definition_folding,[],[f203,f230]) ).

fof(f203,axiom,
    ( nil = sk3
    | sk3 = cons(sk6,nil) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1_18) ).

fof(f230,plain,
    cons(sk6,nil) = sF0,
    introduced(function_definition,[]) ).

fof(f268,plain,
    ! [X0,X1] :
      ( sk1 != app(app(nil,cons(X1,nil)),X0)
      | ~ ssList(X0)
      | ~ ssItem(X1) ),
    inference(subsumption_resolution,[],[f267,f8]) ).

fof(f267,plain,
    ! [X0,X1] :
      ( sk1 != app(app(nil,cons(X1,nil)),X0)
      | ~ ssList(nil)
      | ~ ssList(X0)
      | ~ ssItem(X1) ),
    inference(duplicate_literal_removal,[],[f266]) ).

fof(f266,plain,
    ! [X0,X1] :
      ( ~ ssList(nil)
      | sk1 != app(app(nil,cons(X1,nil)),X0)
      | ~ ssList(X0)
      | ~ ssItem(X1)
      | sk1 != app(app(nil,cons(X1,nil)),X0)
      | ~ ssItem(X1)
      | ~ ssList(X0) ),
    inference(resolution,[],[f264,f193]) ).

fof(f193,axiom,
    ! [X8,X6,X7] :
      ( ssItem(sk5(X8,X7,X6))
      | ~ ssItem(X6)
      | ~ ssList(X7)
      | sk1 != app(app(X7,cons(X6,nil)),X8)
      | ~ ssList(X8) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1_8) ).

fof(f264,plain,
    ! [X0,X1] :
      ( ~ ssItem(sk5(X0,nil,X1))
      | ~ ssList(X0)
      | sk1 != app(app(nil,cons(X1,nil)),X0)
      | ~ ssItem(X1) ),
    inference(subsumption_resolution,[],[f262,f8]) ).

fof(f262,plain,
    ! [X0,X1] :
      ( ~ ssItem(sk5(X0,nil,X1))
      | ~ ssItem(X1)
      | ~ ssList(nil)
      | sk1 != app(app(nil,cons(X1,nil)),X0)
      | ~ ssList(X0) ),
    inference(resolution,[],[f71,f194]) ).

fof(f194,axiom,
    ! [X8,X6,X7] :
      ( memberP(X7,sk5(X8,X7,X6))
      | ~ ssItem(X6)
      | ~ ssList(X8)
      | ~ ssList(X7)
      | sk1 != app(app(X7,cons(X6,nil)),X8) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1_9) ).

fof(f71,axiom,
    ! [X0] :
      ( ~ memberP(nil,X0)
      | ~ ssItem(X0) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause71) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.05/0.10  % Problem    : SWC219-1 : TPTP v8.1.0. Released v2.4.0.
% 0.05/0.10  % Command    : vampire --input_syntax tptp --proof tptp --output_axiom_names on --mode portfolio --schedule snake_tptp_sat --cores 0 -t %d %s
% 0.10/0.31  % Computer : n011.cluster.edu
% 0.10/0.31  % Model    : x86_64 x86_64
% 0.10/0.31  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.10/0.31  % Memory   : 8042.1875MB
% 0.10/0.31  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.10/0.31  % CPULimit   : 300
% 0.10/0.31  % WCLimit    : 300
% 0.10/0.31  % DateTime   : Tue Aug 30 18:32:40 EDT 2022
% 0.10/0.31  % CPUTime    : 
% 0.16/0.45  % (30161)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)
% 0.16/0.46  % (30178)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)
% 0.16/0.47  % (30170)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)
% 0.16/0.47  % (30169)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)
% 0.16/0.47  % (30177)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)
% 0.16/0.48  % (30162)dis+10_1:1_fsd=on:sp=occurrence:i=7:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/7Mi)
% 0.16/0.48  % (30155)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)
% 0.16/0.48  TRYING [1]
% 0.16/0.48  % (30160)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)
% 0.16/0.49  % (30162)Instruction limit reached!
% 0.16/0.49  % (30162)------------------------------
% 0.16/0.49  % (30162)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 0.16/0.49  % (30162)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 0.16/0.49  % (30162)Termination reason: Unknown
% 0.16/0.49  % (30162)Termination phase: Saturation
% 0.16/0.49  
% 0.16/0.49  % (30162)Memory used [KB]: 5628
% 0.16/0.49  % (30162)Time elapsed: 0.079 s
% 0.16/0.49  % (30162)Instructions burned: 7 (million)
% 0.16/0.49  % (30162)------------------------------
% 0.16/0.49  % (30162)------------------------------
% 0.16/0.50  TRYING [2]
% 0.16/0.50  % (30158)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)
% 0.16/0.50  % (30170)First to succeed.
% 0.16/0.50  % (30170)Refutation found. Thanks to Tanya!
% 0.16/0.50  % SZS status Unsatisfiable for theBenchmark
% 0.16/0.50  % SZS output start Proof for theBenchmark
% See solution above
% 0.16/0.50  % (30170)------------------------------
% 0.16/0.50  % (30170)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 0.16/0.50  % (30170)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 0.16/0.50  % (30170)Termination reason: Refutation
% 0.16/0.50  
% 0.16/0.50  % (30170)Memory used [KB]: 1407
% 0.16/0.50  % (30170)Time elapsed: 0.076 s
% 0.16/0.50  % (30170)Instructions burned: 16 (million)
% 0.16/0.50  % (30170)------------------------------
% 0.16/0.50  % (30170)------------------------------
% 0.16/0.50  % (30154)Success in time 0.188 s
%------------------------------------------------------------------------------