TSTP Solution File: PLA004-2 by SnakeForV---1.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SnakeForV---1.0
% Problem  : PLA004-2 : TPTP v8.1.0. Released v1.1.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : vampire --input_syntax tptp --proof tptp --output_axiom_names on --mode portfolio --schedule snake_tptp_uns --cores 0 -t %d %s

% Computer : n002.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 18:08:29 EDT 2022

% Result   : Unsatisfiable 0.20s 0.53s
% Output   : Refutation 0.20s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   26
%            Number of leaves      :   23
% Syntax   : Number of formulae    :   56 (  18 unt;   0 def)
%            Number of atoms       :  162 (   3 equ)
%            Maximal formula atoms :    7 (   2 avg)
%            Number of connectives :  238 ( 132   ~; 106   |;   0   &)
%                                         (   0 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    9 (   5 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of predicates  :    4 (   2 usr;   1 prp; 0-2 aty)
%            Number of functors    :   16 (  16 usr;   9 con; 0-2 aty)
%            Number of variables   :   70 (  70   !;   0   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f214,plain,
    $false,
    inference(subsumption_resolution,[],[f213,f27]) ).

fof(f27,axiom,
    holds(clear(b),s0),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',initial_state6) ).

fof(f213,plain,
    ~ holds(clear(b),s0),
    inference(subsumption_resolution,[],[f212,f29]) ).

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

fof(f212,plain,
    ( ~ holds(empty,s0)
    | ~ holds(clear(b),s0) ),
    inference(subsumption_resolution,[],[f211,f26]) ).

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

fof(f211,plain,
    ( ~ holds(clear(a),s0)
    | ~ holds(clear(b),s0)
    | ~ holds(empty,s0) ),
    inference(resolution,[],[f204,f28]) ).

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

fof(f204,plain,
    ! [X0] :
      ( ~ holds(clear(c),X0)
      | ~ holds(clear(b),X0)
      | ~ holds(clear(a),X0)
      | ~ holds(empty,X0) ),
    inference(subsumption_resolution,[],[f203,f12]) ).

fof(f12,axiom,
    differ(a,b),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',differ_a_b) ).

fof(f203,plain,
    ! [X0] :
      ( ~ holds(empty,X0)
      | ~ holds(clear(c),X0)
      | ~ differ(a,b)
      | ~ holds(clear(a),X0)
      | ~ holds(clear(b),X0) ),
    inference(subsumption_resolution,[],[f202,f18]) ).

fof(f18,axiom,
    differ(b,table),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',differ_b_table) ).

fof(f202,plain,
    ! [X0] :
      ( ~ holds(clear(c),X0)
      | ~ holds(clear(b),X0)
      | ~ holds(clear(a),X0)
      | ~ holds(empty,X0)
      | ~ differ(b,table)
      | ~ differ(a,b) ),
    inference(subsumption_resolution,[],[f201,f40]) ).

fof(f40,plain,
    differ(c,b),
    inference(resolution,[],[f11,f16]) ).

fof(f16,axiom,
    differ(b,c),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',differ_b_c) ).

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

fof(f201,plain,
    ! [X0] :
      ( ~ holds(empty,X0)
      | ~ holds(clear(c),X0)
      | ~ differ(c,b)
      | ~ holds(clear(a),X0)
      | ~ holds(clear(b),X0)
      | ~ differ(a,b)
      | ~ differ(b,table) ),
    inference(resolution,[],[f200,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(f200,plain,
    ! [X2,X3] :
      ( ~ holds(holding(b),do(pickup(X2),X3))
      | ~ holds(clear(c),X3)
      | ~ holds(clear(a),X3)
      | ~ differ(a,X2)
      | ~ differ(c,X2) ),
    inference(resolution,[],[f184,f5]) ).

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

fof(f184,plain,
    ! [X2,X3] :
      ( ~ holds(clear(a),do(pickup(X2),X3))
      | ~ holds(holding(b),do(pickup(X2),X3))
      | ~ holds(clear(c),X3)
      | ~ differ(c,X2) ),
    inference(resolution,[],[f166,f5]) ).

fof(f166,plain,
    ! [X2] :
      ( ~ holds(clear(c),X2)
      | ~ holds(holding(b),X2)
      | ~ holds(clear(a),X2) ),
    inference(subsumption_resolution,[],[f165,f38]) ).

fof(f38,plain,
    differ(c,a),
    inference(resolution,[],[f11,f13]) ).

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

fof(f165,plain,
    ! [X2] :
      ( ~ holds(holding(b),X2)
      | ~ holds(clear(a),X2)
      | ~ holds(clear(c),X2)
      | ~ differ(c,a) ),
    inference(duplicate_literal_removal,[],[f164]) ).

fof(f164,plain,
    ! [X2] :
      ( ~ holds(clear(c),X2)
      | ~ holds(clear(a),X2)
      | ~ holds(holding(b),X2)
      | ~ differ(c,a)
      | ~ holds(holding(b),X2)
      | ~ holds(clear(a),X2) ),
    inference(resolution,[],[f150,f58]) ).

fof(f58,plain,
    ! [X0] :
      ( holds(sF0,do(putdown(b,a),X0))
      | ~ holds(holding(b),X0)
      | ~ holds(clear(a),X0) ),
    inference(superposition,[],[f7,f32]) ).

fof(f32,plain,
    on(b,a) = sF0,
    introduced(function_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) ).

fof(f150,plain,
    ! [X3,X4] :
      ( ~ holds(sF0,do(putdown(b,X3),X4))
      | ~ holds(clear(c),X4)
      | ~ holds(holding(b),X4)
      | ~ differ(c,X3)
      | ~ holds(clear(X3),X4) ),
    inference(subsumption_resolution,[],[f149,f6]) ).

fof(f6,axiom,
    ! [X2,X0,X1] :
      ( holds(empty,do(putdown(X0,X1),X2))
      | ~ holds(holding(X0),X2)
      | ~ holds(clear(X1),X2) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',putdown_1) ).

fof(f149,plain,
    ! [X3,X4] :
      ( ~ holds(holding(b),X4)
      | ~ differ(c,X3)
      | ~ holds(sF0,do(putdown(b,X3),X4))
      | ~ holds(clear(X3),X4)
      | ~ holds(clear(c),X4)
      | ~ holds(empty,do(putdown(b,X3),X4)) ),
    inference(resolution,[],[f120,f8]) ).

fof(f8,axiom,
    ! [X2,X0,X1] :
      ( holds(clear(X0),do(putdown(X0,X1),X2))
      | ~ holds(holding(X0),X2)
      | ~ holds(clear(X1),X2) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',putdown_3) ).

fof(f120,plain,
    ! [X6,X4,X5] :
      ( ~ holds(clear(b),do(putdown(X4,X5),X6))
      | ~ differ(c,X5)
      | ~ holds(sF0,do(putdown(X4,X5),X6))
      | ~ holds(clear(c),X6)
      | ~ holds(empty,do(putdown(X4,X5),X6)) ),
    inference(resolution,[],[f117,f10]) ).

fof(f10,axiom,
    ! [X2,X3,X0,X1] :
      ( holds(clear(X3),do(putdown(X0,X1),X2))
      | ~ holds(clear(X3),X2)
      | ~ differ(X3,X1) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',putdown_5) ).

fof(f117,plain,
    ! [X0] :
      ( ~ holds(clear(c),X0)
      | ~ holds(clear(b),X0)
      | ~ holds(sF0,X0)
      | ~ holds(empty,X0) ),
    inference(subsumption_resolution,[],[f116,f16]) ).

fof(f116,plain,
    ! [X0] :
      ( ~ holds(clear(b),X0)
      | ~ holds(clear(c),X0)
      | ~ differ(b,c)
      | ~ holds(sF0,X0)
      | ~ holds(empty,X0) ),
    inference(resolution,[],[f106,f55]) ).

fof(f55,plain,
    ! [X0,X1] :
      ( holds(sF0,do(pickup(X0),X1))
      | ~ differ(b,X0)
      | ~ holds(sF0,X1) ),
    inference(superposition,[],[f4,f32]) ).

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(f106,plain,
    ! [X0] :
      ( ~ holds(sF0,do(pickup(c),X0))
      | ~ holds(clear(b),X0)
      | ~ holds(empty,X0)
      | ~ holds(clear(c),X0) ),
    inference(subsumption_resolution,[],[f105,f16]) ).

fof(f105,plain,
    ! [X0] :
      ( ~ holds(sF0,do(pickup(c),X0))
      | ~ holds(clear(c),X0)
      | ~ holds(clear(b),X0)
      | ~ differ(b,c)
      | ~ holds(empty,X0) ),
    inference(subsumption_resolution,[],[f104,f20]) ).

fof(f20,axiom,
    differ(c,table),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',differ_c_table) ).

fof(f104,plain,
    ! [X0] :
      ( ~ differ(c,table)
      | ~ holds(clear(b),X0)
      | ~ holds(empty,X0)
      | ~ holds(sF0,do(pickup(c),X0))
      | ~ differ(b,c)
      | ~ holds(clear(c),X0) ),
    inference(resolution,[],[f86,f2]) ).

fof(f86,plain,
    ! [X2,X3] :
      ( ~ holds(holding(c),do(pickup(X2),X3))
      | ~ holds(clear(b),X3)
      | ~ holds(sF0,do(pickup(X2),X3))
      | ~ differ(b,X2) ),
    inference(resolution,[],[f70,f5]) ).

fof(f70,plain,
    ! [X0] :
      ( ~ holds(clear(b),X0)
      | ~ holds(sF0,X0)
      | ~ holds(holding(c),X0) ),
    inference(resolution,[],[f69,f49]) ).

fof(f49,plain,
    ! [X2,X0,X1] :
      ( holds(sF0,do(putdown(X0,X1),X2))
      | ~ holds(sF0,X2) ),
    inference(superposition,[],[f9,f32]) ).

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(f69,plain,
    ! [X0] :
      ( ~ holds(sF0,do(putdown(c,b),X0))
      | ~ holds(holding(c),X0)
      | ~ holds(clear(b),X0) ),
    inference(resolution,[],[f59,f48]) ).

fof(f48,plain,
    ! [X0] :
      ( ~ holds(sF1,X0)
      | ~ holds(sF0,X0) ),
    inference(subsumption_resolution,[],[f47,f35]) ).

fof(f35,plain,
    ! [X2] : ~ holds(sF2,X2),
    inference(definition_folding,[],[f31,f34,f33,f32]) ).

fof(f33,plain,
    on(c,b) = sF1,
    introduced(function_definition,[]) ).

fof(f34,plain,
    and(sF0,sF1) = sF2,
    introduced(function_definition,[]) ).

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

fof(f47,plain,
    ! [X0] :
      ( holds(sF2,X0)
      | ~ holds(sF1,X0)
      | ~ holds(sF0,X0) ),
    inference(superposition,[],[f1,f34]) ).

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

fof(f59,plain,
    ! [X1] :
      ( holds(sF1,do(putdown(c,b),X1))
      | ~ holds(holding(c),X1)
      | ~ holds(clear(b),X1) ),
    inference(superposition,[],[f7,f33]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12  % Problem    : PLA004-2 : TPTP v8.1.0. Released v1.1.0.
% 0.07/0.13  % Command    : vampire --input_syntax tptp --proof tptp --output_axiom_names on --mode portfolio --schedule snake_tptp_uns --cores 0 -t %d %s
% 0.14/0.34  % Computer : n002.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 10:15:29 EDT 2022
% 0.14/0.34  % CPUTime    : 
% 0.20/0.50  % (364)lrs+10_1:1_kws=precedence:lwlo=on:tgt=ground:i=99966:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/99966Mi)
% 0.20/0.51  % (378)dis+1011_3:29_av=off:awrs=decay:awrsf=32:bce=on:drc=off:fde=unused:gsp=on:irw=on:nwc=2.0:spb=goal_then_units:updr=off:urr=ec_only:i=29:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/29Mi)
% 0.20/0.51  % (373)lrs+1010_1:1_bd=off:fd=off:fde=none:ins=3:sac=on:sos=on:spb=goal:to=lpo:i=51:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/51Mi)
% 0.20/0.52  % (364)First to succeed.
% 0.20/0.52  % (367)lrs+10_1:1_bd=off:drc=off:lcm=reverse:nwc=5.0:sd=1:sgt=16:spb=goal_then_units:ss=axioms:to=lpo:i=43:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/43Mi)
% 0.20/0.52  % (370)dis+21_1:1_av=off:er=filter:slsq=on:slsqc=0:slsqr=1,1:sp=frequency:to=lpo:i=49:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/49Mi)
% 0.20/0.52  % (365)dis+21_1:1_av=off:fd=off:lcm=predicate:sos=on:spb=goal:urr=ec_only:i=42:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/42Mi)
% 0.20/0.53  % (368)lrs+10_5:1_br=off:fde=none:nwc=3.0:sd=1:sgt=10:sos=on:ss=axioms:urr=on:i=34:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/34Mi)
% 0.20/0.53  % (368)Refutation not found, incomplete strategy% (368)------------------------------
% 0.20/0.53  % (368)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 0.20/0.53  % (368)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 0.20/0.53  % (368)Termination reason: Refutation not found, incomplete strategy
% 0.20/0.53  
% 0.20/0.53  % (368)Memory used [KB]: 5884
% 0.20/0.53  % (368)Time elapsed: 0.126 s
% 0.20/0.53  % (368)Instructions burned: 2 (million)
% 0.20/0.53  % (368)------------------------------
% 0.20/0.53  % (368)------------------------------
% 0.20/0.53  % (378)Also succeeded, but the first one will report.
% 0.20/0.53  % (364)Refutation found. Thanks to Tanya!
% 0.20/0.53  % SZS status Unsatisfiable for theBenchmark
% 0.20/0.53  % SZS output start Proof for theBenchmark
% See solution above
% 0.20/0.53  % (364)------------------------------
% 0.20/0.53  % (364)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 0.20/0.53  % (364)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 0.20/0.53  % (364)Termination reason: Refutation
% 0.20/0.53  
% 0.20/0.53  % (364)Memory used [KB]: 6012
% 0.20/0.53  % (364)Time elapsed: 0.110 s
% 0.20/0.53  % (364)Instructions burned: 14 (million)
% 0.20/0.53  % (364)------------------------------
% 0.20/0.53  % (364)------------------------------
% 0.20/0.53  % (363)Success in time 0.179 s
%------------------------------------------------------------------------------