%------------------------------------------------------------------------------
% File : Vampire-SAT---5.0.1
% Problem : NLP149-1 : TPTP v9.3.1. Released v2.4.0.
% Transfm : none
% Format : tptp:raw
% Command : run_vampire /export/starexec/sandbox/benchmark/theBenchmark.p 300 SAT
% Computer : n007.cluster.edu
% Model : x86_64 x86_64
% CPU : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory : 8046.5625MB
% OS : Linux 6.8.0-71-generic
% CPULimit : 300s
% WCLimit : 300s
% DateTime : Tue Sep 29 12:09:06 PM UTC 2026
% Result : Unsatisfiable 0.10s 0.44s
% Output : Refutation 0.10s
% Verified :
% SZS Type : Refutation
% Derivation depth : 15
% Number of leaves : 21
% Syntax : Number of formulae : 67 ( 10 unt; 5 def)
% Number of atoms : 127 ( 6 equ)
% Maximal formula atoms : 3 ( 1 avg)
% Number of connectives : 131 ( 71 ~; 55 |; 0 &)
% ( 5 <=>; 0 =>; 0 <=; 0 <~>)
% Maximal formula depth : 7 ( 4 avg)
% Maximal term depth : 3 ( 1 avg)
% Number of predicates : 20 ( 18 usr; 6 prp; 0-4 aty)
% Number of functors : 6 ( 6 usr; 2 con; 0-2 aty)
% Number of variables : 64 ( 0 sgn 64 !; 0 ?)
% Comments :
%------------------------------------------------------------------------------
fof(f2,axiom,
! [X0,X1] :
( man(X0,X1)
| ~ fellow(X0,X1) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause2) ).
fof(f14,axiom,
! [X0,X1] :
( male(X0,X1)
| ~ man(X0,X1) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause14) ).
fof(f30,axiom,
! [X0,X1] :
( ~ instrumentality(X0,X1)
| artifact(X0,X1) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause30) ).
fof(f31,axiom,
! [X0,X1] :
( ~ artifact(X0,X1)
| object(X0,X1) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause31) ).
fof(f35,axiom,
! [X0,X1] :
( ~ object(X0,X1)
| unisex(X0,X1) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause35) ).
fof(f48,axiom,
! [X0,X1] :
( seat(X0,X1)
| ~ frontseat(X0,X1) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause48) ).
fof(f49,axiom,
! [X0,X1] :
( furniture(X0,X1)
| ~ seat(X0,X1) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause49) ).
fof(f50,axiom,
! [X0,X1] :
( ~ furniture(X0,X1)
| instrumentality(X0,X1) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause50) ).
fof(f52,axiom,
! [X0,X1] :
( ~ male(X0,X1)
| ~ unisex(X0,X1) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause52) ).
fof(f59,axiom,
! [X2,X3,X0,X1] :
( ~ be(X0,X1,X2,X3)
| X2 = X3 ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause59) ).
fof(f60,axiom,
! [X0,X1] :
( member(X0,skf10(X1,X0),X1)
| ~ two(X0,X1) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause60) ).
fof(f61,axiom,
! [X0,X1] :
( member(X0,skf8(X1,X0),X1)
| ~ two(X0,X1) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause61) ).
fof(f77,negated_conjecture,
two(skc6,skc7),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause75) ).
fof(f90,negated_conjecture,
! [X0] :
( fellow(skc6,X0)
| ~ member(skc6,X0,skc7) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause88) ).
fof(f91,negated_conjecture,
! [X0,X1] :
( ~ member(skc6,X0,skc7)
| frontseat(skc6,skf5(X1)) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause89) ).
fof(f94,negated_conjecture,
! [X0] :
( ~ member(skc6,X0,skc7)
| be(skc6,skf6(X0),X0,skf5(X0)) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause92) ).
fof(f116,plain,
! [X0,X1] :
( ~ artifact(X0,X1)
| instrumentality(X0,X1) ),
inference(consistent_polarity_flipping,[],[f30]) ).
fof(f117,plain,
! [X0,X1] :
( ~ object(X0,X1)
| artifact(X0,X1) ),
inference(consistent_polarity_flipping,[],[f31]) ).
fof(f120,plain,
! [X0,X1] :
( object(X0,X1)
| ~ unisex(X0,X1) ),
inference(consistent_polarity_flipping,[],[f35]) ).
fof(f131,plain,
! [X0,X1] :
( ~ furniture(X0,X1)
| ~ instrumentality(X0,X1) ),
inference(consistent_polarity_flipping,[],[f50]) ).
fof(f133,plain,
! [X0,X1] :
( unisex(X0,X1)
| ~ male(X0,X1) ),
inference(consistent_polarity_flipping,[],[f52]) ).
fof(f139,plain,
! [X2,X3,X0,X1] :
( be(X0,X1,X2,X3)
| X2 = X3 ),
inference(consistent_polarity_flipping,[],[f59]) ).
fof(f145,plain,
! [X0] :
( ~ be(skc6,skf6(X0),X0,skf5(X0))
| ~ member(skc6,X0,skc7) ),
inference(consistent_polarity_flipping,[],[f94]) ).
fof(f150,definition,
( spl0_2
<=> ! [X0] : ~ member(skc6,X0,skc7) ),
introduced(definition,[new_symbols(definition,[spl0_2])],[avatar_definition]) ).
fof(f151,plain,
( ! [X0] : ~ member(skc6,X0,skc7)
| ~ spl0_2 ),
inference(avatar_component_clause,[],[f150]) ).
fof(f154,definition,
( spl0_3
<=> ! [X1] : frontseat(skc6,skf5(X1)) ),
introduced(definition,[new_symbols(definition,[spl0_3])],[avatar_definition]) ).
fof(f155,plain,
( ! [X1] : frontseat(skc6,skf5(X1))
| ~ spl0_3 ),
inference(avatar_component_clause,[],[f154]) ).
fof(f156,plain,
( spl0_3
| spl0_2 ),
inference(avatar_split_clause,[],[f91,f150,f154]) ).
fof(f167,plain,
! [X0,X1] :
( artifact(X0,X1)
| ~ unisex(X0,X1) ),
inference(resolution,[],[f120,f117]) ).
fof(f173,plain,
! [X0,X1] :
( ~ seat(X0,X1)
| ~ instrumentality(X0,X1) ),
inference(resolution,[],[f131,f49]) ).
fof(f181,plain,
! [X0,X1] :
( instrumentality(X0,X1)
| ~ unisex(X0,X1) ),
inference(resolution,[],[f167,f116]) ).
fof(f194,plain,
! [X0,X1] :
( ~ frontseat(X0,X1)
| ~ instrumentality(X0,X1) ),
inference(resolution,[],[f173,f48]) ).
fof(f211,plain,
( ~ two(skc6,skc7)
| ~ spl0_2 ),
inference(resolution,[],[f60,f151]) ).
fof(f213,plain,
( $false
| ~ spl0_2 ),
inference(resolution,[],[f211,f77]) ).
fof(f214,plain,
~ spl0_2,
inference(avatar_contradiction_clause,[],[f213]) ).
fof(f221,definition,
( spl0_4
<=> two(skc6,skc7) ),
introduced(definition,[new_symbols(definition,[spl0_4])],[avatar_definition]) ).
fof(f223,plain,
( ~ two(skc6,skc7)
| spl0_4 ),
inference(avatar_component_clause,[],[f221]) ).
fof(f229,plain,
( $false
| spl0_4 ),
inference(resolution,[],[f223,f77]) ).
fof(f230,plain,
spl0_4,
inference(avatar_contradiction_clause,[],[f229]) ).
fof(f232,plain,
! [X0] :
( ~ member(skc6,X0,skc7)
| skf5(X0) = X0 ),
inference(resolution,[],[f145,f139]) ).
fof(f250,plain,
( ~ two(skc6,skc7)
| skf8(skc7,skc6) = skf5(skf8(skc7,skc6)) ),
inference(resolution,[],[f61,f232]) ).
fof(f258,definition,
( spl0_10
<=> skf8(skc7,skc6) = skf5(skf8(skc7,skc6)) ),
introduced(definition,[new_symbols(definition,[spl0_10])],[avatar_definition]) ).
fof(f260,plain,
( skf8(skc7,skc6) = skf5(skf8(skc7,skc6))
| ~ spl0_10 ),
inference(avatar_component_clause,[],[f258]) ).
fof(f261,plain,
( spl0_10
| ~ spl0_4 ),
inference(avatar_split_clause,[],[f250,f221,f258]) ).
fof(f270,definition,
( spl0_11
<=> member(skc6,skf8(skc7,skc6),skc7) ),
introduced(definition,[new_symbols(definition,[spl0_11])],[avatar_definition]) ).
fof(f272,plain,
( ~ member(skc6,skf8(skc7,skc6),skc7)
| spl0_11 ),
inference(avatar_component_clause,[],[f270]) ).
fof(f278,plain,
( ~ two(skc6,skc7)
| spl0_11 ),
inference(resolution,[],[f272,f61]) ).
fof(f279,plain,
( ~ spl0_4
| spl0_11 ),
inference(avatar_split_clause,[],[f278,f270,f221]) ).
fof(f292,plain,
( ! [X0] : ~ instrumentality(skc6,skf5(X0))
| ~ spl0_3 ),
inference(resolution,[],[f194,f155]) ).
fof(f295,plain,
( ! [X0] : ~ unisex(skc6,skf5(X0))
| ~ spl0_3 ),
inference(resolution,[],[f292,f181]) ).
fof(f299,plain,
( ! [X0] : ~ male(skc6,skf5(X0))
| ~ spl0_3 ),
inference(resolution,[],[f295,f133]) ).
fof(f304,plain,
( ! [X0] : ~ man(skc6,skf5(X0))
| ~ spl0_3 ),
inference(resolution,[],[f299,f14]) ).
fof(f307,plain,
( ! [X0] : ~ fellow(skc6,skf5(X0))
| ~ spl0_3 ),
inference(resolution,[],[f304,f2]) ).
fof(f310,plain,
( ! [X0] : ~ member(skc6,skf5(X0),skc7)
| ~ spl0_3 ),
inference(resolution,[],[f307,f90]) ).
fof(f314,plain,
( ~ member(skc6,skf8(skc7,skc6),skc7)
| ~ spl0_3
| ~ spl0_10 ),
inference(superposition,[],[f310,f260]) ).
fof(f315,plain,
( ~ spl0_11
| ~ spl0_3
| ~ spl0_10 ),
inference(avatar_split_clause,[],[f314,f258,f154,f270]) ).
cnf(s2,plain,
( spl0_2
| spl0_3 ),
inference(sat_conversion,[],[f156]) ).
cnf(s3,plain,
~ spl0_2,
inference(sat_conversion,[],[f214]) ).
cnf(s5,plain,
spl0_4,
inference(sat_conversion,[],[f230]) ).
cnf(s9,plain,
( ~ spl0_4
| spl0_10 ),
inference(sat_conversion,[],[f261]) ).
cnf(s12,plain,
( ~ spl0_4
| spl0_11 ),
inference(sat_conversion,[],[f279]) ).
cnf(s13,plain,
( ~ spl0_3
| ~ spl0_10
| ~ spl0_11 ),
inference(sat_conversion,[],[f315]) ).
cnf(s15,plain,
spl0_11,
inference(rat,[],[s12,s5]) ).
cnf(s17,plain,
spl0_10,
inference(rat,[],[s9,s5]) ).
cnf(s20,plain,
~ spl0_3,
inference(rat,[],[s13,s15,s17]) ).
cnf(s24,plain,
$false,
inference(rat,[],[s2,s20,s3]) ).
fof(f317,plain,
$false,
inference(avatar_sat_refutation,[],[s24]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : NLP149-1 : TPTP v9.3.1. Released v2.4.0.
% 0.00/0.05 % Command : run_vampire /export/starexec/sandbox/benchmark/theBenchmark.p 300 SAT
% 0.10/0.36 % Computer : n007.cluster.edu
% 0.10/0.36 % Model : x86_64 x86_64
% 0.10/0.36 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.10/0.36 % Memory : 8046.5625MB
% 0.10/0.36 % OS : Linux 6.8.0-71-generic
% 0.10/0.36 % CPULimit : 300
% 0.10/0.36 % WCLimit : 300
% 0.10/0.36 % DateTime : Sun Sep 27 18:08:55 UTC 2026
% 0.10/0.36 % CPUTime :
% 0.10/0.36 Running run_vampire /export/starexec/sandbox/benchmark/theBenchmark.p 300 SAT
% 0.10/0.39 Running first-order model finding
% 0.10/0.39 Running: /export/starexec/sandbox/solver/bin/vampire-ho --input_syntax tptp --output_axiom_names on --mode casc --intent sat -m 16384 --cores 7 -t 300 /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.10/0.44 % (1694358)Will run a generic schedule for satisfiability detection.
% 0.10/0.44 % (1694369)ott-3_16_to=lpo:sil=16000:sp=arity:fd=off:rp=on:random_seed=1809689420:i=159:bs=unit_only:nicw=on:fsr=off:amm=off_2999 on theBenchmark for (2999ds/159Mi)
% 0.10/0.44 % (1694369) found proof, printing to "/export/starexec/sandbox/tmp/vampire-proof-1694358-1694369"...
% 0.10/0.44 % (1694369)...printing done.
% 0.10/0.44 % (1694369)Refutation found. Thanks to Tanya!
% 0.10/0.44 % SZS status Unsatisfiable for theBenchmark
% 0.10/0.44 % SZS output start Proof for theBenchmark
% See solution above
% 0.10/0.45 % (1694369)------------------------------
% 0.10/0.45 % (1694369)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 0.10/0.45 % (1694369)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 0.10/0.45 % (1694369)CaDiCaL version: 2.1.3
% 0.10/0.45 % (1694369)Termination reason: Refutation
% 0.10/0.45 % (1694369)Time elapsed: 0.004 s
% 0.10/0.45 % (1694369)Peak memory usage: 12 MB
% 0.10/0.45 % (1694369)Instructions burned: 7 (million)
% 0.10/0.45 % (1694358)Success in time 0.04 s
% 0.10/0.45 % Vampire exiting
%------------------------------------------------------------------------------