TSTP Solution File: SWC082-1 by SnakeForV-SAT---1.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SnakeForV-SAT---1.0
% Problem  : SWC082-1 : 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 : n015.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 18:41:37 EDT 2022

% Result   : Unsatisfiable 0.19s 0.45s
% Output   : Refutation 0.19s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    7
%            Number of leaves      :    8
% Syntax   : Number of formulae    :   22 (  10 unt;   0 def)
%            Number of atoms       :   37 (   2 equ)
%            Maximal formula atoms :    4 (   1 avg)
%            Number of connectives :   34 (  19   ~;  15   |;   0   &)
%                                         (   0 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    6 (   2 avg)
%            Maximal term depth    :    1 (   1 avg)
%            Number of predicates  :    5 (   3 usr;   1 prp; 0-2 aty)
%            Number of functors    :    6 (   6 usr;   6 con; 0-0 aty)
%            Number of variables   :    1 (   1   !;   0   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f247,plain,
    $false,
    inference(subsumption_resolution,[],[f246,f235]) ).

fof(f235,plain,
    neq(sk5,nil),
    inference(subsumption_resolution,[],[f232,f192]) ).

fof(f192,axiom,
    neq(sk2,nil),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1_7) ).

fof(f232,plain,
    ( ~ neq(sk2,nil)
    | neq(sk5,nil) ),
    inference(backward_demodulation,[],[f196,f190]) ).

fof(f190,axiom,
    sk2 = sk4,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1_5) ).

fof(f196,axiom,
    ( neq(sk5,nil)
    | ~ neq(sk4,nil) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1_11) ).

fof(f246,plain,
    ~ neq(sk5,nil),
    inference(subsumption_resolution,[],[f245,f234]) ).

fof(f234,plain,
    ssList(sk5),
    inference(subsumption_resolution,[],[f229,f192]) ).

fof(f229,plain,
    ( ssList(sk5)
    | ~ neq(sk2,nil) ),
    inference(backward_demodulation,[],[f195,f190]) ).

fof(f195,axiom,
    ( ~ neq(sk4,nil)
    | ssList(sk5) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1_10) ).

fof(f245,plain,
    ( ~ ssList(sk5)
    | ~ neq(sk5,nil) ),
    inference(subsumption_resolution,[],[f244,f241]) ).

fof(f241,plain,
    segmentP(sk1,sk5),
    inference(backward_demodulation,[],[f238,f191]) ).

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

fof(f238,plain,
    segmentP(sk3,sk5),
    inference(subsumption_resolution,[],[f231,f192]) ).

fof(f231,plain,
    ( segmentP(sk3,sk5)
    | ~ neq(sk2,nil) ),
    inference(backward_demodulation,[],[f198,f190]) ).

fof(f198,axiom,
    ( ~ neq(sk4,nil)
    | segmentP(sk3,sk5) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1_13) ).

fof(f244,plain,
    ( ~ segmentP(sk1,sk5)
    | ~ ssList(sk5)
    | ~ neq(sk5,nil) ),
    inference(resolution,[],[f193,f237]) ).

fof(f237,plain,
    segmentP(sk2,sk5),
    inference(subsumption_resolution,[],[f236,f192]) ).

fof(f236,plain,
    ( segmentP(sk2,sk5)
    | ~ neq(sk2,nil) ),
    inference(forward_demodulation,[],[f230,f190]) ).

fof(f230,plain,
    ( ~ neq(sk4,nil)
    | segmentP(sk2,sk5) ),
    inference(backward_demodulation,[],[f197,f190]) ).

fof(f197,axiom,
    ( ~ neq(sk4,nil)
    | segmentP(sk4,sk5) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1_12) ).

fof(f193,axiom,
    ! [X6] :
      ( ~ segmentP(sk2,X6)
      | ~ neq(X6,nil)
      | ~ ssList(X6)
      | ~ segmentP(sk1,X6) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1_8) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.11/0.12  % Problem    : SWC082-1 : TPTP v8.1.0. Released v2.4.0.
% 0.11/0.13  % Command    : vampire --input_syntax tptp --proof tptp --output_axiom_names on --mode portfolio --schedule snake_tptp_sat --cores 0 -t %d %s
% 0.13/0.34  % Computer : n015.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 18:22:21 EDT 2022
% 0.13/0.34  % CPUTime    : 
% 0.19/0.43  % (8316)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)
% 0.19/0.44  % (8307)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)
% 0.19/0.45  % (8307)First to succeed.
% 0.19/0.45  % (8299)dis+10_1:1_fsd=on:sp=occurrence:i=7:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/7Mi)
% 0.19/0.45  % (8307)Refutation found. Thanks to Tanya!
% 0.19/0.45  % SZS status Unsatisfiable for theBenchmark
% 0.19/0.45  % SZS output start Proof for theBenchmark
% See solution above
% 0.19/0.45  % (8307)------------------------------
% 0.19/0.45  % (8307)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 0.19/0.45  % (8307)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 0.19/0.45  % (8307)Termination reason: Refutation
% 0.19/0.45  
% 0.19/0.45  % (8307)Memory used [KB]: 1279
% 0.19/0.45  % (8307)Time elapsed: 0.040 s
% 0.19/0.45  % (8307)Instructions burned: 7 (million)
% 0.19/0.45  % (8307)------------------------------
% 0.19/0.45  % (8307)------------------------------
% 0.19/0.45  % (8289)Success in time 0.109 s
%------------------------------------------------------------------------------