TSTP Solution File: PLA022-2 by Vampire-SAT---4.8

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%------------------------------------------------------------------------------
% File     : Vampire-SAT---4.8
% Problem  : PLA022-2 : TPTP v8.1.2. Released v1.1.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : vampire --mode casc_sat -m 16384 --cores 7 -t %d %s

% Computer : n020.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 14:42:01 EDT 2024

% Result   : Unsatisfiable 0.14s 0.37s
% Output   : Refutation 0.14s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    7
%            Number of leaves      :   21
% Syntax   : Number of formulae    :   50 (  13 unt;   0 def)
%            Number of atoms       :  123 (   0 equ)
%            Maximal formula atoms :    6 (   2 avg)
%            Number of connectives :  147 (  74   ~;  66   |;   0   &)
%                                         (   7 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    8 (   4 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of predicates  :   10 (   9 usr;   8 prp; 0-2 aty)
%            Number of functors    :   13 (  13 usr;   6 con; 0-2 aty)
%            Number of variables   :   34 (  34   !;   0   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f139,plain,
    $false,
    inference(avatar_sat_refutation,[],[f99,f102,f106,f119,f132,f134,f136,f138]) ).

fof(f138,plain,
    spl0_13,
    inference(avatar_contradiction_clause,[],[f137]) ).

fof(f137,plain,
    ( $false
    | spl0_13 ),
    inference(resolution,[],[f131,f26]) ).

fof(f26,axiom,
    holds(clear(a),s0),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',initial_state5) ).

fof(f131,plain,
    ( ~ holds(clear(a),s0)
    | spl0_13 ),
    inference(avatar_component_clause,[],[f129]) ).

fof(f129,plain,
    ( spl0_13
  <=> holds(clear(a),s0) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_13])]) ).

fof(f136,plain,
    spl0_12,
    inference(avatar_contradiction_clause,[],[f135]) ).

fof(f135,plain,
    ( $false
    | spl0_12 ),
    inference(resolution,[],[f127,f29]) ).

fof(f29,axiom,
    holds(empty,s0),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',initial_state8) ).

fof(f127,plain,
    ( ~ holds(empty,s0)
    | spl0_12 ),
    inference(avatar_component_clause,[],[f125]) ).

fof(f125,plain,
    ( spl0_12
  <=> holds(empty,s0) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_12])]) ).

fof(f134,plain,
    spl0_2,
    inference(avatar_contradiction_clause,[],[f133]) ).

fof(f133,plain,
    ( $false
    | spl0_2 ),
    inference(resolution,[],[f54,f28]) ).

fof(f28,axiom,
    holds(clear(c),s0),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',initial_state7) ).

fof(f54,plain,
    ( ~ holds(clear(c),s0)
    | spl0_2 ),
    inference(avatar_component_clause,[],[f52]) ).

fof(f52,plain,
    ( spl0_2
  <=> holds(clear(c),s0) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_2])]) ).

fof(f132,plain,
    ( ~ spl0_12
    | ~ spl0_13
    | ~ spl0_2
    | ~ spl0_11 ),
    inference(avatar_split_clause,[],[f123,f117,f52,f129,f125]) ).

fof(f117,plain,
    ( spl0_11
  <=> ! [X0] :
        ( ~ holds(clear(a),X0)
        | ~ holds(clear(c),X0)
        | ~ holds(on(c,d),X0)
        | ~ holds(empty,X0) ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_11])]) ).

fof(f123,plain,
    ( ~ holds(clear(c),s0)
    | ~ holds(clear(a),s0)
    | ~ holds(empty,s0)
    | ~ spl0_11 ),
    inference(resolution,[],[f118,f24]) ).

fof(f24,axiom,
    holds(on(c,d),s0),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',initial_state3) ).

fof(f118,plain,
    ( ! [X0] :
        ( ~ holds(on(c,d),X0)
        | ~ holds(clear(c),X0)
        | ~ holds(clear(a),X0)
        | ~ holds(empty,X0) )
    | ~ spl0_11 ),
    inference(avatar_component_clause,[],[f117]) ).

fof(f119,plain,
    ( ~ spl0_9
    | spl0_11
    | ~ spl0_10 ),
    inference(avatar_split_clause,[],[f108,f97,f117,f93]) ).

fof(f93,plain,
    ( spl0_9
  <=> differ(c,a) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_9])]) ).

fof(f97,plain,
    ( spl0_10
  <=> ! [X0] :
        ( ~ holds(clear(c),do(pickup(a),X0))
        | ~ holds(clear(a),X0)
        | ~ holds(empty,X0)
        | ~ holds(on(c,d),X0) ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_10])]) ).

fof(f108,plain,
    ( ! [X0] :
        ( ~ holds(clear(a),X0)
        | ~ holds(empty,X0)
        | ~ holds(on(c,d),X0)
        | ~ holds(clear(c),X0)
        | ~ differ(c,a) )
    | ~ spl0_10 ),
    inference(resolution,[],[f98,f5]) ).

fof(f5,axiom,
    ! [X2,X3,X0] :
      ( holds(clear(X0),do(pickup(X3),X2))
      | ~ holds(clear(X0),X2)
      | ~ differ(X0,X3) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',pickup_4) ).

fof(f98,plain,
    ( ! [X0] :
        ( ~ holds(clear(c),do(pickup(a),X0))
        | ~ holds(clear(a),X0)
        | ~ holds(empty,X0)
        | ~ holds(on(c,d),X0) )
    | ~ spl0_10 ),
    inference(avatar_component_clause,[],[f97]) ).

fof(f106,plain,
    spl0_9,
    inference(avatar_contradiction_clause,[],[f104]) ).

fof(f104,plain,
    ( $false
    | spl0_9 ),
    inference(resolution,[],[f103,f13]) ).

fof(f13,axiom,
    differ(a,c),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',differ_a_c) ).

fof(f103,plain,
    ( ~ differ(a,c)
    | spl0_9 ),
    inference(resolution,[],[f95,f11]) ).

fof(f11,axiom,
    ! [X0,X1] :
      ( differ(X0,X1)
      | ~ differ(X1,X0) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',symmetry_of_differ) ).

fof(f95,plain,
    ( ~ differ(c,a)
    | spl0_9 ),
    inference(avatar_component_clause,[],[f93]) ).

fof(f102,plain,
    spl0_8,
    inference(avatar_contradiction_clause,[],[f100]) ).

fof(f100,plain,
    ( $false
    | spl0_8 ),
    inference(resolution,[],[f91,f15]) ).

fof(f15,axiom,
    differ(a,table),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',differ_a_table) ).

fof(f91,plain,
    ( ~ differ(a,table)
    | spl0_8 ),
    inference(avatar_component_clause,[],[f89]) ).

fof(f89,plain,
    ( spl0_8
  <=> differ(a,table) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_8])]) ).

fof(f99,plain,
    ( ~ spl0_8
    | ~ spl0_9
    | spl0_10 ),
    inference(avatar_split_clause,[],[f57,f97,f93,f89]) ).

fof(f57,plain,
    ! [X0] :
      ( ~ holds(clear(c),do(pickup(a),X0))
      | ~ holds(on(c,d),X0)
      | ~ differ(c,a)
      | ~ holds(empty,X0)
      | ~ holds(clear(a),X0)
      | ~ differ(a,table) ),
    inference(resolution,[],[f45,f2]) ).

fof(f2,axiom,
    ! [X2,X0] :
      ( holds(holding(X0),do(pickup(X0),X2))
      | ~ holds(empty,X2)
      | ~ holds(clear(X0),X2)
      | ~ differ(X0,table) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',pickup_1) ).

fof(f45,plain,
    ! [X0,X1] :
      ( ~ holds(holding(a),do(pickup(X0),X1))
      | ~ holds(clear(c),do(pickup(X0),X1))
      | ~ holds(on(c,d),X1)
      | ~ differ(c,X0) ),
    inference(resolution,[],[f42,f4]) ).

fof(f4,axiom,
    ! [X2,X3,X0,X1] :
      ( holds(on(X0,X1),do(pickup(X3),X2))
      | ~ holds(on(X0,X1),X2)
      | ~ differ(X0,X3) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',pickup_3) ).

fof(f42,plain,
    ! [X0] :
      ( ~ holds(on(c,d),X0)
      | ~ holds(clear(c),X0)
      | ~ holds(holding(a),X0) ),
    inference(resolution,[],[f38,f9]) ).

fof(f9,axiom,
    ! [X2,X3,X0,X1,X4] :
      ( holds(on(X0,X1),do(putdown(X3,X4),X2))
      | ~ holds(on(X0,X1),X2) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',putdown_4) ).

fof(f38,plain,
    ! [X0] :
      ( ~ holds(on(c,d),do(putdown(a,c),X0))
      | ~ holds(holding(a),X0)
      | ~ holds(clear(c),X0) ),
    inference(resolution,[],[f7,f32]) ).

fof(f32,plain,
    ! [X0] :
      ( ~ holds(on(a,c),X0)
      | ~ holds(on(c,d),X0) ),
    inference(resolution,[],[f1,f31]) ).

fof(f31,axiom,
    ! [X2] : ~ holds(and(on(a,c),on(c,d)),X2),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_ACD) ).

fof(f1,axiom,
    ! [X2,X0,X1] :
      ( holds(and(X0,X1),X2)
      | ~ holds(X0,X2)
      | ~ holds(X1,X2) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',and_definition) ).

fof(f7,axiom,
    ! [X2,X0,X1] :
      ( holds(on(X0,X1),do(putdown(X0,X1),X2))
      | ~ holds(clear(X1),X2)
      | ~ holds(holding(X0),X2) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',putdown_2) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12  % Problem    : PLA022-2 : TPTP v8.1.2. Released v1.1.0.
% 0.07/0.14  % Command    : vampire --mode casc_sat -m 16384 --cores 7 -t %d %s
% 0.14/0.35  % Computer : n020.cluster.edu
% 0.14/0.35  % Model    : x86_64 x86_64
% 0.14/0.35  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.35  % Memory   : 8042.1875MB
% 0.14/0.35  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.14/0.35  % CPULimit   : 300
% 0.14/0.35  % WCLimit    : 300
% 0.14/0.35  % DateTime   : Tue Apr 30 02:15:17 EDT 2024
% 0.14/0.36  % CPUTime    : 
% 0.14/0.36  % (25370)Running in auto input_syntax mode. Trying TPTP
% 0.14/0.37  % (25375)dis-2_2:3_amm=sco:anc=none:bce=on:fsr=off:gsp=on:nm=16:nwc=1.2:nicw=on:sac=on:sp=weighted_frequency_476 on theBenchmark for (476ds/0Mi)
% 0.14/0.37  % (25375)First to succeed.
% 0.14/0.37  % (25375)Refutation found. Thanks to Tanya!
% 0.14/0.37  % SZS status Unsatisfiable for theBenchmark
% 0.14/0.37  % SZS output start Proof for theBenchmark
% See solution above
% 0.14/0.37  % (25375)------------------------------
% 0.14/0.37  % (25375)Version: Vampire 4.8 (commit 8e9376e55 on 2024-01-18 13:49:33 +0100)
% 0.14/0.37  % (25375)Termination reason: Refutation
% 0.14/0.37  
% 0.14/0.37  % (25375)Memory used [KB]: 888
% 0.14/0.37  % (25375)Time elapsed: 0.004 s
% 0.14/0.37  % (25375)Instructions burned: 7 (million)
% 0.14/0.37  % (25375)------------------------------
% 0.14/0.37  % (25375)------------------------------
% 0.14/0.37  % (25370)Success in time 0.013 s
%------------------------------------------------------------------------------