TSTP Solution File: SWC014-1 by Vampire-SAT---4.8

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Vampire-SAT---4.8
% Problem  : SWC014-1 : TPTP v8.1.2. Released v2.4.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : vampire --mode casc_sat -m 16384 --cores 7 -t %d %s

% Computer : n029.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 : Tue Apr 30 15:46:40 EDT 2024

% Result   : Unsatisfiable 0.21s 0.42s
% Output   : Refutation 0.21s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   20
%            Number of leaves      :   14
% Syntax   : Number of formulae    :   52 (  18 unt;   0 def)
%            Number of atoms       :  125 (  36 equ)
%            Maximal formula atoms :    7 (   2 avg)
%            Number of connectives :  157 (  84   ~;  73   |;   0   &)
%                                         (   0 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   10 (   3 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of predicates  :    5 (   3 usr;   1 prp; 0-2 aty)
%            Number of functors    :   10 (  10 usr;   7 con; 0-2 aty)
%            Number of variables   :   16 (  16   !;   0   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f1153,plain,
    $false,
    inference(resolution,[],[f1151,f8]) ).

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

fof(f1151,plain,
    ~ ssList(nil),
    inference(resolution,[],[f1094,f235]) ).

fof(f235,plain,
    ! [X1] :
      ( ~ neq(X1,X1)
      | ~ ssList(X1) ),
    inference(duplicate_literal_removal,[],[f216]) ).

fof(f216,plain,
    ! [X1] :
      ( ~ ssList(X1)
      | ~ ssList(X1)
      | ~ neq(X1,X1) ),
    inference(equality_resolution,[],[f115]) ).

fof(f115,axiom,
    ! [X0,X1] :
      ( ~ ssList(X0)
      | ~ ssList(X1)
      | X0 != X1
      | ~ neq(X0,X1) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause115) ).

fof(f1094,plain,
    neq(nil,nil),
    inference(backward_demodulation,[],[f238,f1092]) ).

fof(f1092,plain,
    nil = sk2,
    inference(resolution,[],[f1091,f8]) ).

fof(f1091,plain,
    ( ~ ssList(nil)
    | nil = sk2 ),
    inference(resolution,[],[f1090,f240]) ).

fof(f240,plain,
    ssList(sk2),
    inference(forward_demodulation,[],[f189,f190]) ).

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

fof(f189,axiom,
    ssList(sk4),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1_4) ).

fof(f1090,plain,
    ( ~ ssList(sk2)
    | nil = sk2
    | ~ ssList(nil) ),
    inference(resolution,[],[f1079,f250]) ).

fof(f250,plain,
    ssList(sk6),
    inference(resolution,[],[f242,f238]) ).

fof(f242,plain,
    ( ~ neq(sk2,nil)
    | ssList(sk6) ),
    inference(forward_demodulation,[],[f201,f190]) ).

fof(f201,axiom,
    ( ssList(sk6)
    | ~ neq(sk4,nil) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1_16) ).

fof(f1079,plain,
    ( ~ ssList(sk6)
    | ~ ssList(sk2)
    | nil = sk2
    | ~ ssList(nil) ),
    inference(duplicate_literal_removal,[],[f1078]) ).

fof(f1078,plain,
    ( ~ ssList(sk2)
    | ~ ssList(sk6)
    | ~ ssList(sk2)
    | nil = sk2
    | ~ ssList(nil) ),
    inference(resolution,[],[f1073,f100]) ).

fof(f100,axiom,
    ! [X0,X1] :
      ( neq(X1,X0)
      | ~ ssList(X0)
      | X0 = X1
      | ~ ssList(X1) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause100) ).

fof(f1073,plain,
    ( ~ neq(nil,sk2)
    | ~ ssList(sk2)
    | ~ ssList(sk6) ),
    inference(resolution,[],[f1046,f238]) ).

fof(f1046,plain,
    ( ~ neq(sk2,nil)
    | ~ ssList(sk2)
    | ~ neq(nil,sk2)
    | ~ ssList(sk6) ),
    inference(forward_demodulation,[],[f1045,f1035]) ).

fof(f1035,plain,
    tl(sk2) = sk6,
    inference(backward_demodulation,[],[f461,f1033]) ).

fof(f1033,plain,
    sk2 = cons(sk5,sk6),
    inference(forward_demodulation,[],[f1031,f253]) ).

fof(f253,plain,
    sk2 = app(sk1,sk6),
    inference(resolution,[],[f252,f238]) ).

fof(f252,plain,
    ( ~ neq(sk2,nil)
    | sk2 = app(sk1,sk6) ),
    inference(backward_demodulation,[],[f247,f251]) ).

fof(f251,plain,
    sk1 = cons(sk5,nil),
    inference(resolution,[],[f245,f238]) ).

fof(f245,plain,
    ( ~ neq(sk2,nil)
    | sk1 = cons(sk5,nil) ),
    inference(forward_demodulation,[],[f244,f191]) ).

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

fof(f244,plain,
    ( ~ neq(sk2,nil)
    | sk3 = cons(sk5,nil) ),
    inference(forward_demodulation,[],[f202,f190]) ).

fof(f202,axiom,
    ( ~ neq(sk4,nil)
    | sk3 = cons(sk5,nil) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1_17) ).

fof(f247,plain,
    ( sk2 = app(cons(sk5,nil),sk6)
    | ~ neq(sk2,nil) ),
    inference(forward_demodulation,[],[f246,f190]) ).

fof(f246,plain,
    ( ~ neq(sk2,nil)
    | sk4 = app(cons(sk5,nil),sk6) ),
    inference(forward_demodulation,[],[f203,f190]) ).

fof(f203,axiom,
    ( ~ neq(sk4,nil)
    | sk4 = app(cons(sk5,nil),sk6) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1_18) ).

fof(f1031,plain,
    app(sk1,sk6) = cons(sk5,sk6),
    inference(resolution,[],[f997,f250]) ).

fof(f997,plain,
    ! [X0] :
      ( ~ ssList(X0)
      | cons(sk5,X0) = app(sk1,X0) ),
    inference(forward_demodulation,[],[f996,f251]) ).

fof(f996,plain,
    ! [X0] :
      ( ~ ssList(X0)
      | cons(sk5,X0) = app(cons(sk5,nil),X0) ),
    inference(resolution,[],[f120,f249]) ).

fof(f249,plain,
    ssItem(sk5),
    inference(resolution,[],[f241,f238]) ).

fof(f241,plain,
    ( ~ neq(sk2,nil)
    | ssItem(sk5) ),
    inference(forward_demodulation,[],[f200,f190]) ).

fof(f200,axiom,
    ( ssItem(sk5)
    | ~ neq(sk4,nil) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1_15) ).

fof(f120,axiom,
    ! [X0,X1] :
      ( ~ ssItem(X0)
      | ~ ssList(X1)
      | cons(X0,X1) = app(cons(X0,nil),X1) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause120) ).

fof(f461,plain,
    sk6 = tl(cons(sk5,sk6)),
    inference(resolution,[],[f427,f250]) ).

fof(f427,plain,
    ! [X0] :
      ( ~ ssList(X0)
      | tl(cons(sk5,X0)) = X0 ),
    inference(resolution,[],[f96,f249]) ).

fof(f96,axiom,
    ! [X0,X1] :
      ( ~ ssItem(X0)
      | ~ ssList(X1)
      | tl(cons(X0,X1)) = X1 ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause96) ).

fof(f1045,plain,
    ( ~ ssList(tl(sk2))
    | ~ ssList(sk2)
    | ~ neq(nil,sk2)
    | ~ neq(sk2,nil) ),
    inference(trivial_inequality_removal,[],[f1044]) ).

fof(f1044,plain,
    ( sk2 != sk2
    | ~ ssList(tl(sk2))
    | ~ ssList(sk2)
    | ~ neq(nil,sk2)
    | ~ neq(sk2,nil) ),
    inference(forward_demodulation,[],[f1043,f253]) ).

fof(f1043,plain,
    ( sk2 != app(sk1,sk6)
    | ~ ssList(tl(sk2))
    | ~ ssList(sk2)
    | ~ neq(nil,sk2)
    | ~ neq(sk2,nil) ),
    inference(backward_demodulation,[],[f248,f1035]) ).

fof(f248,plain,
    ( sk2 != app(sk1,tl(sk2))
    | ~ ssList(tl(sk2))
    | ~ ssList(sk2)
    | ~ neq(nil,sk2)
    | ~ neq(sk2,nil) ),
    inference(forward_demodulation,[],[f205,f190]) ).

fof(f205,plain,
    ( ~ ssList(tl(sk2))
    | ~ ssList(sk2)
    | ~ neq(sk4,nil)
    | ~ neq(nil,sk2)
    | sk2 != app(sk1,tl(sk2)) ),
    inference(equality_resolution,[],[f204]) ).

fof(f204,plain,
    ! [X7] :
      ( ~ ssList(X7)
      | ~ ssList(sk2)
      | ~ neq(sk4,nil)
      | ~ neq(nil,sk2)
      | tl(sk2) != X7
      | sk2 != app(sk1,X7) ),
    inference(equality_resolution,[],[f199]) ).

fof(f199,axiom,
    ! [X6,X7] :
      ( ~ ssList(X7)
      | ~ ssList(X6)
      | sk2 != X6
      | ~ neq(sk4,nil)
      | ~ neq(nil,sk2)
      | tl(sk2) != X7
      | app(sk1,X7) != X6 ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1_14) ).

fof(f238,plain,
    neq(sk2,nil),
    inference(duplicate_literal_removal,[],[f192]) ).

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

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.09/0.13  % Problem    : SWC014-1 : TPTP v8.1.2. Released v2.4.0.
% 0.09/0.14  % Command    : vampire --mode casc_sat -m 16384 --cores 7 -t %d %s
% 0.14/0.36  % Computer : n029.cluster.edu
% 0.14/0.36  % Model    : x86_64 x86_64
% 0.14/0.36  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.36  % Memory   : 8042.1875MB
% 0.14/0.36  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.14/0.36  % CPULimit   : 300
% 0.14/0.36  % WCLimit    : 300
% 0.14/0.36  % DateTime   : Tue Apr 30 04:33:50 EDT 2024
% 0.14/0.36  % CPUTime    : 
% 0.14/0.36  % (1576)Running in auto input_syntax mode. Trying TPTP
% 0.14/0.38  % (1578)fmb+10_1_bce=on:fmbdsb=on:fmbes=contour:fmbswr=3:fde=none:nm=0_793 on theBenchmark for (793ds/0Mi)
% 0.14/0.38  % (1579)WARNING: value z3 for option sas not known
% 0.14/0.38  % (1577)fmb+10_1_bce=on:fmbas=function:fmbsr=1.2:fde=unused:nm=0_846 on theBenchmark for (846ds/0Mi)
% 0.14/0.38  % (1579)dis+2_11_add=large:afr=on:amm=off:bd=off:bce=on:fsd=off:fde=none:gs=on:gsaa=full_model:gsem=off:irw=on:msp=off:nm=4:nwc=1.3:sas=z3:sims=off:sac=on:sp=reverse_arity_569 on theBenchmark for (569ds/0Mi)
% 0.14/0.38  % (1580)fmb+10_1_bce=on:fmbsr=1.5:nm=32_533 on theBenchmark for (533ds/0Mi)
% 0.14/0.38  % (1581)ott+10_10:1_add=off:afr=on:amm=off:anc=all:bd=off:bs=on:fsr=off:irw=on:lma=on:msp=off:nm=4:nwc=4.0:sac=on:sp=reverse_frequency_531 on theBenchmark for (531ds/0Mi)
% 0.14/0.38  % (1582)ott-10_8_av=off:bd=preordered:bs=on:fsd=off:fsr=off:fde=unused:irw=on:lcm=predicate:lma=on:nm=4:nwc=1.7:sp=frequency_522 on theBenchmark for (522ds/0Mi)
% 0.14/0.38  % (1583)ott+1_64_av=off:bd=off:bce=on:fsd=off:fde=unused:gsp=on:irw=on:lcm=predicate:lma=on:nm=2:nwc=1.1:sims=off:urr=on_497 on theBenchmark for (497ds/0Mi)
% 0.14/0.40  TRYING [1]
% 0.14/0.40  TRYING [2]
% 0.21/0.41  TRYING [3]
% 0.21/0.42  % (1582)First to succeed.
% 0.21/0.42  % (1582)Refutation found. Thanks to Tanya!
% 0.21/0.42  % SZS status Unsatisfiable for theBenchmark
% 0.21/0.42  % SZS output start Proof for theBenchmark
% See solution above
% 0.21/0.43  % (1582)------------------------------
% 0.21/0.43  % (1582)Version: Vampire 4.8 (commit 8e9376e55 on 2024-01-18 13:49:33 +0100)
% 0.21/0.43  % (1582)Termination reason: Refutation
% 0.21/0.43  
% 0.21/0.43  % (1582)Memory used [KB]: 1646
% 0.21/0.43  % (1582)Time elapsed: 0.041 s
% 0.21/0.43  % (1582)Instructions burned: 73 (million)
% 0.21/0.43  % (1582)------------------------------
% 0.21/0.43  % (1582)------------------------------
% 0.21/0.43  % (1576)Success in time 0.061 s
%------------------------------------------------------------------------------