TSTP Solution File: PLA021-1 by Vampire-SAT---4.8

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Vampire-SAT---4.8
% Problem  : PLA021-1 : 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 : n025.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 : Sun May  5 08:46:44 EDT 2024

% Result   : Unsatisfiable 0.13s 0.37s
% Output   : Refutation 0.13s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   28
%            Number of leaves      :   23
% Syntax   : Number of formulae    :   56 (  19 unt;   0 def)
%            Number of atoms       :  183 (   0 equ)
%            Maximal formula atoms :   10 (   3 avg)
%            Number of connectives :  282 ( 155   ~; 127   |;   0   &)
%                                         (   0 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   12 (   5 avg)
%            Maximal term depth    :    4 (   1 avg)
%            Number of predicates  :    3 (   2 usr;   1 prp; 0-2 aty)
%            Number of functors    :   14 (  14 usr;   7 con; 0-2 aty)
%            Number of variables   :   65 (  65   !;   0   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f193,plain,
    $false,
    inference(subsumption_resolution,[],[f192,f26]) ).

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

fof(f192,plain,
    ~ holds(clear(a),s0),
    inference(subsumption_resolution,[],[f191,f27]) ).

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

fof(f191,plain,
    ( ~ holds(clear(b),s0)
    | ~ holds(clear(a),s0) ),
    inference(subsumption_resolution,[],[f190,f24]) ).

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

fof(f190,plain,
    ( ~ holds(on(c,d),s0)
    | ~ holds(clear(b),s0)
    | ~ holds(clear(a),s0) ),
    inference(subsumption_resolution,[],[f189,f28]) ).

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

fof(f189,plain,
    ( ~ holds(clear(c),s0)
    | ~ holds(on(c,d),s0)
    | ~ holds(clear(b),s0)
    | ~ holds(clear(a),s0) ),
    inference(resolution,[],[f183,f29]) ).

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

fof(f183,plain,
    ! [X0] :
      ( ~ holds(empty,X0)
      | ~ holds(clear(c),X0)
      | ~ holds(on(c,d),X0)
      | ~ holds(clear(b),X0)
      | ~ holds(clear(a),X0) ),
    inference(subsumption_resolution,[],[f181,f13]) ).

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

fof(f181,plain,
    ! [X0] :
      ( ~ holds(clear(c),X0)
      | ~ holds(empty,X0)
      | ~ holds(on(c,d),X0)
      | ~ holds(clear(b),X0)
      | ~ holds(clear(a),X0)
      | ~ differ(a,c) ),
    inference(resolution,[],[f179,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(f179,plain,
    ! [X0] :
      ( ~ holds(clear(a),do(pickup(c),X0))
      | ~ holds(clear(c),X0)
      | ~ holds(empty,X0)
      | ~ holds(on(c,d),X0)
      | ~ holds(clear(b),X0) ),
    inference(subsumption_resolution,[],[f177,f16]) ).

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

fof(f177,plain,
    ! [X0] :
      ( ~ holds(clear(c),X0)
      | ~ holds(clear(a),do(pickup(c),X0))
      | ~ holds(empty,X0)
      | ~ holds(on(c,d),X0)
      | ~ holds(clear(b),X0)
      | ~ differ(b,c) ),
    inference(resolution,[],[f110,f5]) ).

fof(f110,plain,
    ! [X0] :
      ( ~ holds(clear(b),do(pickup(c),X0))
      | ~ holds(clear(c),X0)
      | ~ holds(clear(a),do(pickup(c),X0))
      | ~ holds(empty,X0)
      | ~ holds(on(c,d),X0) ),
    inference(duplicate_literal_removal,[],[f108]) ).

fof(f108,plain,
    ! [X0] :
      ( ~ holds(empty,X0)
      | ~ holds(clear(c),X0)
      | ~ holds(clear(a),do(pickup(c),X0))
      | ~ holds(clear(b),do(pickup(c),X0))
      | ~ holds(clear(c),X0)
      | ~ holds(on(c,d),X0)
      | ~ holds(empty,X0) ),
    inference(resolution,[],[f106,f3]) ).

fof(f3,axiom,
    ! [X2,X0,X1] :
      ( holds(clear(X1),do(pickup(X0),X2))
      | ~ holds(clear(X0),X2)
      | ~ holds(on(X0,X1),X2)
      | ~ holds(empty,X2) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',pickup_2) ).

fof(f106,plain,
    ! [X0] :
      ( ~ holds(clear(d),do(pickup(c),X0))
      | ~ holds(empty,X0)
      | ~ holds(clear(c),X0)
      | ~ holds(clear(a),do(pickup(c),X0))
      | ~ holds(clear(b),do(pickup(c),X0)) ),
    inference(subsumption_resolution,[],[f105,f33]) ).

fof(f33,plain,
    differ(b,a),
    inference(resolution,[],[f11,f12]) ).

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

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

fof(f105,plain,
    ! [X0] :
      ( ~ holds(clear(a),do(pickup(c),X0))
      | ~ holds(empty,X0)
      | ~ holds(clear(c),X0)
      | ~ holds(clear(d),do(pickup(c),X0))
      | ~ holds(clear(b),do(pickup(c),X0))
      | ~ differ(b,a) ),
    inference(resolution,[],[f102,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(f102,plain,
    ! [X0] :
      ( ~ holds(clear(b),do(putdown(c,a),do(pickup(c),X0)))
      | ~ holds(clear(a),do(pickup(c),X0))
      | ~ holds(empty,X0)
      | ~ holds(clear(c),X0)
      | ~ holds(clear(d),do(pickup(c),X0)) ),
    inference(subsumption_resolution,[],[f101,f35]) ).

fof(f35,plain,
    differ(d,a),
    inference(resolution,[],[f11,f14]) ).

fof(f14,axiom,
    differ(a,d),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',differ_a_d) ).

fof(f101,plain,
    ! [X0] :
      ( ~ holds(clear(a),do(pickup(c),X0))
      | ~ holds(clear(b),do(putdown(c,a),do(pickup(c),X0)))
      | ~ holds(empty,X0)
      | ~ holds(clear(c),X0)
      | ~ holds(clear(d),do(pickup(c),X0))
      | ~ differ(d,a) ),
    inference(resolution,[],[f96,f10]) ).

fof(f96,plain,
    ! [X0] :
      ( ~ holds(clear(d),do(putdown(c,a),do(pickup(c),X0)))
      | ~ holds(clear(a),do(pickup(c),X0))
      | ~ holds(clear(b),do(putdown(c,a),do(pickup(c),X0)))
      | ~ holds(empty,X0)
      | ~ holds(clear(c),X0) ),
    inference(subsumption_resolution,[],[f95,f20]) ).

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

fof(f95,plain,
    ! [X0] :
      ( ~ holds(clear(d),do(putdown(c,a),do(pickup(c),X0)))
      | ~ holds(clear(a),do(pickup(c),X0))
      | ~ holds(clear(b),do(putdown(c,a),do(pickup(c),X0)))
      | ~ holds(empty,X0)
      | ~ holds(clear(c),X0)
      | ~ differ(c,table) ),
    inference(duplicate_literal_removal,[],[f93]) ).

fof(f93,plain,
    ! [X0] :
      ( ~ holds(clear(d),do(putdown(c,a),do(pickup(c),X0)))
      | ~ holds(clear(a),do(pickup(c),X0))
      | ~ holds(clear(b),do(putdown(c,a),do(pickup(c),X0)))
      | ~ holds(empty,X0)
      | ~ holds(clear(c),X0)
      | ~ differ(c,table)
      | ~ holds(clear(a),do(pickup(c),X0))
      | ~ holds(empty,X0)
      | ~ holds(clear(c),X0)
      | ~ differ(c,table) ),
    inference(resolution,[],[f91,f56]) ).

fof(f56,plain,
    ! [X2,X0,X1] :
      ( holds(on(X1,X0),do(putdown(X1,X0),do(pickup(X1),X2)))
      | ~ holds(clear(X0),do(pickup(X1),X2))
      | ~ holds(empty,X2)
      | ~ holds(clear(X1),X2)
      | ~ differ(X1,table) ),
    inference(resolution,[],[f7,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(f7,axiom,
    ! [X2,X0,X1] :
      ( ~ holds(holding(X0),X2)
      | ~ holds(clear(X1),X2)
      | holds(on(X0,X1),do(putdown(X0,X1),X2)) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',putdown_2) ).

fof(f91,plain,
    ! [X2,X0,X1] :
      ( ~ holds(on(c,a),do(putdown(X0,X1),do(pickup(X0),X2)))
      | ~ holds(clear(d),do(putdown(X0,X1),do(pickup(X0),X2)))
      | ~ holds(clear(X1),do(pickup(X0),X2))
      | ~ holds(clear(b),do(putdown(X0,X1),do(pickup(X0),X2)))
      | ~ holds(empty,X2)
      | ~ holds(clear(X0),X2)
      | ~ differ(X0,table) ),
    inference(resolution,[],[f71,f2]) ).

fof(f71,plain,
    ! [X2,X0,X1] :
      ( ~ holds(holding(X0),X2)
      | ~ holds(on(c,a),do(putdown(X0,X1),X2))
      | ~ holds(clear(d),do(putdown(X0,X1),X2))
      | ~ holds(clear(X1),X2)
      | ~ holds(clear(b),do(putdown(X0,X1),X2)) ),
    inference(resolution,[],[f68,f6]) ).

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

fof(f68,plain,
    ! [X0] :
      ( ~ holds(empty,X0)
      | ~ holds(clear(b),X0)
      | ~ holds(on(c,a),X0)
      | ~ holds(clear(d),X0) ),
    inference(subsumption_resolution,[],[f66,f37]) ).

fof(f37,plain,
    differ(d,b),
    inference(resolution,[],[f11,f17]) ).

fof(f17,axiom,
    differ(b,d),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',differ_b_d) ).

fof(f66,plain,
    ! [X0] :
      ( ~ holds(clear(b),X0)
      | ~ holds(empty,X0)
      | ~ holds(on(c,a),X0)
      | ~ holds(clear(d),X0)
      | ~ differ(d,b) ),
    inference(resolution,[],[f63,f5]) ).

fof(f63,plain,
    ! [X0] :
      ( ~ holds(clear(d),do(pickup(b),X0))
      | ~ holds(clear(b),X0)
      | ~ holds(empty,X0)
      | ~ holds(on(c,a),X0) ),
    inference(subsumption_resolution,[],[f62,f36]) ).

fof(f36,plain,
    differ(c,b),
    inference(resolution,[],[f11,f16]) ).

fof(f62,plain,
    ! [X0] :
      ( ~ holds(empty,X0)
      | ~ holds(clear(b),X0)
      | ~ holds(clear(d),do(pickup(b),X0))
      | ~ holds(on(c,a),X0)
      | ~ differ(c,b) ),
    inference(resolution,[],[f60,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(f60,plain,
    ! [X0] :
      ( ~ holds(on(c,a),do(pickup(b),X0))
      | ~ holds(empty,X0)
      | ~ holds(clear(b),X0)
      | ~ holds(clear(d),do(pickup(b),X0)) ),
    inference(subsumption_resolution,[],[f58,f18]) ).

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

fof(f58,plain,
    ! [X0] :
      ( ~ holds(clear(d),do(pickup(b),X0))
      | ~ holds(empty,X0)
      | ~ holds(clear(b),X0)
      | ~ differ(b,table)
      | ~ holds(on(c,a),do(pickup(b),X0)) ),
    inference(resolution,[],[f56,f53]) ).

fof(f53,plain,
    ! [X2,X0,X1] :
      ( ~ holds(on(b,d),do(putdown(X0,X1),X2))
      | ~ holds(on(c,a),X2) ),
    inference(resolution,[],[f44,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(f44,plain,
    ! [X0] :
      ( ~ holds(on(c,a),X0)
      | ~ holds(on(b,d),X0) ),
    inference(resolution,[],[f1,f31]) ).

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

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) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.06/0.11  % Problem    : PLA021-1 : TPTP v8.1.2. Released v1.1.0.
% 0.06/0.13  % Command    : vampire --mode casc_sat -m 16384 --cores 7 -t %d %s
% 0.13/0.35  % Computer : n025.cluster.edu
% 0.13/0.35  % Model    : x86_64 x86_64
% 0.13/0.35  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.35  % Memory   : 8042.1875MB
% 0.13/0.35  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.35  % CPULimit   : 300
% 0.13/0.35  % WCLimit    : 300
% 0.13/0.35  % DateTime   : Fri May  3 18:41:08 EDT 2024
% 0.13/0.35  % CPUTime    : 
% 0.13/0.35  % (16264)Running in auto input_syntax mode. Trying TPTP
% 0.13/0.36  % (16270)dis+11_4:5_nm=4_216 on theBenchmark for (216ds/0Mi)
% 0.13/0.36  % (16266)fmb+10_1_bce=on:fmbas=expand:fmbksg=on:fmbsr=1.3_569 on theBenchmark for (569ds/0Mi)
% 0.13/0.37  % (16269)dis+1_20_av=off:lcm=predicate:nm=2:nwc=2.0_396 on theBenchmark for (396ds/0Mi)
% 0.13/0.37  % (16267)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)
% 0.13/0.37  % (16271)fmb+10_1_fmbas=off:fmbsr=1.3:nm=2:si=on:rtra=on:rawr=on:rp=on:fmbksg=on_1451 on theBenchmark for (1451ds/0Mi)
% 0.13/0.37  % (16268)fmb+10_1_bce=on:fmbas=expand:fmbksg=on:fmbsr=1.3:gsp=on:nm=4_470 on theBenchmark for (470ds/0Mi)
% 0.13/0.37  Detected minimum model sizes of [1,1,1,1]
% 0.13/0.37  Detected maximum model sizes of [max,5,max,max]
% 0.13/0.37  TRYING [1,1,1,1]
% 0.13/0.37  TRYING [2,1,1,1]
% 0.13/0.37  TRYING [3,1,1,1]
% 0.13/0.37  % (16265)fmb+10_1_fmbas=off:fmbsr=1.3:nm=2_1451 on theBenchmark for (1451ds/0Mi)
% 0.13/0.37  TRYING [1]
% 0.13/0.37  TRYING [2]
% 0.13/0.37  Detected minimum model sizes of [1,1,1,1]
% 0.13/0.37  Detected maximum model sizes of [max,5,max,max]
% 0.13/0.37  TRYING [1,1,1,1]
% 0.13/0.37  TRYING [2,2,1,1]
% 0.13/0.37  TRYING [2,1,1,1]
% 0.13/0.37  TRYING [3,1,1,1]
% 0.13/0.37  TRYING [1]
% 0.13/0.37  TRYING [3,2,1,1]
% 0.13/0.37  % (16270)First to succeed.
% 0.13/0.37  TRYING [2]
% 0.13/0.37  % (16270)Solution written to "/export/starexec/sandbox2/tmp/vampire-proof-16264"
% 0.13/0.37  TRYING [2,2,1,1]
% 0.13/0.37  TRYING [3]
% 0.13/0.37  % (16270)Refutation found. Thanks to Tanya!
% 0.13/0.37  % SZS status Unsatisfiable for theBenchmark
% 0.13/0.37  % SZS output start Proof for theBenchmark
% See solution above
% 0.13/0.38  % (16270)------------------------------
% 0.13/0.38  % (16270)Version: Vampire 4.8 (commit 3a798227e on 2024-05-03 07:42:47 +0200)
% 0.13/0.38  % (16270)Termination reason: Refutation
% 0.13/0.38  
% 0.13/0.38  % (16270)Memory used [KB]: 894
% 0.13/0.38  % (16270)Time elapsed: 0.009 s
% 0.13/0.38  % (16270)Instructions burned: 18 (million)
% 0.13/0.38  % (16264)Success in time 0.023 s
%------------------------------------------------------------------------------