%------------------------------------------------------------------------------
% File : Vampire-SAT---5.0.1
% Problem : NLP145-1 : TPTP v9.3.1. Released v2.4.0.
% Transfm : none
% Format : tptp:raw
% Command : run_vampire /export/starexec/sandbox2/benchmark/theBenchmark.p 300 SAT
% Computer : n013.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 12:09:04 PM UTC 2026
% Result : Unsatisfiable 0.16s 0.46s
% Output : Refutation 0.16s
% Verified :
% SZS Type : Refutation
% Derivation depth : 11
% Number of leaves : 17
% Syntax : Number of formulae : 43 ( 9 unt; 2 def)
% Number of atoms : 77 ( 3 equ)
% Maximal formula atoms : 2 ( 1 avg)
% Number of connectives : 76 ( 42 ~; 32 |; 0 &)
% ( 2 <=>; 0 =>; 0 <=; 0 <~>)
% Maximal formula depth : 7 ( 4 avg)
% Maximal term depth : 3 ( 1 avg)
% Number of predicates : 17 ( 15 usr; 3 prp; 0-4 aty)
% Number of functors : 5 ( 5 usr; 2 con; 0-2 aty)
% Number of variables : 47 ( 0 sgn 47 !; 0 ?)
% Comments :
%------------------------------------------------------------------------------
fof(f2,axiom,
! [X0,X1] :
( ~ fellow(X0,X1)
| man(X0,X1) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',clause2) ).
fof(f14,axiom,
! [X0,X1] :
( male(X0,X1)
| ~ man(X0,X1) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',clause14) ).
fof(f30,axiom,
! [X0,X1] :
( artifact(X0,X1)
| ~ instrumentality(X0,X1) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',clause30) ).
fof(f31,axiom,
! [X0,X1] :
( ~ artifact(X0,X1)
| object(X0,X1) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',clause31) ).
fof(f35,axiom,
! [X0,X1] :
( unisex(X0,X1)
| ~ object(X0,X1) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',clause35) ).
fof(f48,axiom,
! [X0,X1] :
( seat(X0,X1)
| ~ frontseat(X0,X1) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',clause48) ).
fof(f49,axiom,
! [X0,X1] :
( furniture(X0,X1)
| ~ seat(X0,X1) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',clause49) ).
fof(f50,axiom,
! [X0,X1] :
( ~ furniture(X0,X1)
| instrumentality(X0,X1) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',clause50) ).
fof(f52,axiom,
! [X0,X1] :
( ~ male(X0,X1)
| ~ unisex(X0,X1) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',clause52) ).
fof(f59,axiom,
! [X2,X3,X0,X1] :
( ~ be(X0,X1,X2,X3)
| X2 = X3 ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',clause59) ).
fof(f60,axiom,
! [X0,X1] :
( ~ two(X0,X1)
| member(X0,skf10(X1,X0),X1) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',clause60) ).
fof(f76,negated_conjecture,
two(skc7,skc8),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',clause74) ).
fof(f90,negated_conjecture,
! [X0] :
( fellow(skc7,X0)
| ~ member(skc7,X0,skc8) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',clause88) ).
fof(f91,negated_conjecture,
! [X0,X1] :
( ~ member(skc7,X0,skc8)
| frontseat(skc7,skf5(X1)) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',clause89) ).
fof(f94,negated_conjecture,
! [X0] :
( be(skc7,skf6(X0),X0,skf5(X0))
| ~ member(skc7,X0,skc8) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',clause92) ).
fof(f99,definition,
( spl0_2
<=> ! [X0] : ~ member(skc7,X0,skc8) ),
introduced(definition,[new_symbols(definition,[spl0_2])],[avatar_definition]) ).
fof(f100,plain,
( ! [X0] : ~ member(skc7,X0,skc8)
| ~ spl0_2 ),
inference(avatar_component_clause,[],[f99]) ).
fof(f103,definition,
( spl0_3
<=> ! [X1] : frontseat(skc7,skf5(X1)) ),
introduced(definition,[new_symbols(definition,[spl0_3])],[avatar_definition]) ).
fof(f104,plain,
( ! [X1] : frontseat(skc7,skf5(X1))
| ~ spl0_3 ),
inference(avatar_component_clause,[],[f103]) ).
fof(f105,plain,
( spl0_3
| spl0_2 ),
inference(avatar_split_clause,[],[f91,f99,f103]) ).
fof(f106,plain,
! [X0] :
( man(skc7,X0)
| ~ member(skc7,X0,skc8) ),
inference(resolution,[],[f2,f90]) ).
fof(f111,plain,
! [X0,X1] :
( ~ instrumentality(X0,X1)
| object(X0,X1) ),
inference(resolution,[],[f31,f30]) ).
fof(f116,plain,
! [X0,X1] :
( ~ seat(X0,X1)
| instrumentality(X0,X1) ),
inference(resolution,[],[f50,f49]) ).
fof(f118,plain,
! [X0,X1] :
( ~ man(X0,X1)
| ~ unisex(X0,X1) ),
inference(resolution,[],[f52,f14]) ).
fof(f125,plain,
! [X0] :
( ~ member(skc7,X0,skc8)
| skf5(X0) = X0 ),
inference(resolution,[],[f59,f94]) ).
fof(f127,plain,
member(skc7,skf10(skc8,skc7),skc8),
inference(resolution,[],[f60,f76]) ).
fof(f128,plain,
( $false
| ~ spl0_2 ),
inference(forward_subsumption_resolution,[],[f127,f100]) ).
fof(f129,plain,
~ spl0_2,
inference(avatar_contradiction_clause,[],[f128]) ).
fof(f151,plain,
skf10(skc8,skc7) = skf5(skf10(skc8,skc7)),
inference(resolution,[],[f125,f127]) ).
fof(f169,plain,
! [X0,X1] :
( ~ frontseat(X0,X1)
| instrumentality(X0,X1) ),
inference(resolution,[],[f116,f48]) ).
fof(f170,plain,
! [X0] :
( ~ unisex(skc7,X0)
| ~ member(skc7,X0,skc8) ),
inference(resolution,[],[f118,f106]) ).
fof(f172,plain,
! [X0] :
( ~ object(skc7,X0)
| ~ member(skc7,X0,skc8) ),
inference(resolution,[],[f170,f35]) ).
fof(f191,plain,
( ! [X0] : instrumentality(skc7,skf5(X0))
| ~ spl0_3 ),
inference(resolution,[],[f169,f104]) ).
fof(f194,plain,
( ! [X0] : object(skc7,skf5(X0))
| ~ spl0_3 ),
inference(resolution,[],[f191,f111]) ).
fof(f198,plain,
( ! [X0] : ~ member(skc7,skf5(X0),skc8)
| ~ spl0_3 ),
inference(resolution,[],[f194,f172]) ).
fof(f216,plain,
( ~ member(skc7,skf10(skc8,skc7),skc8)
| ~ spl0_3 ),
inference(superposition,[],[f198,f151]) ).
fof(f220,plain,
( $false
| ~ spl0_3 ),
inference(forward_subsumption_resolution,[],[f216,f127]) ).
fof(f221,plain,
~ spl0_3,
inference(avatar_contradiction_clause,[],[f220]) ).
cnf(s2,plain,
( spl0_2
| spl0_3 ),
inference(sat_conversion,[],[f105]) ).
cnf(s3,plain,
~ spl0_2,
inference(sat_conversion,[],[f129]) ).
cnf(s8,plain,
~ spl0_3,
inference(sat_conversion,[],[f221]) ).
cnf(s10,plain,
$false,
inference(rat,[],[s2,s8,s3]) ).
fof(f222,plain,
$false,
inference(avatar_sat_refutation,[],[s10]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : NLP145-1 : TPTP v9.3.1. Released v2.4.0.
% 0.00/0.05 % Command : run_vampire /export/starexec/sandbox2/benchmark/theBenchmark.p 300 SAT
% 0.10/0.38 % Computer : n013.cluster.edu
% 0.10/0.38 % Model : x86_64 x86_64
% 0.10/0.38 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.10/0.38 % Memory : 8046.5625MB
% 0.10/0.38 % OS : Linux 6.8.0-71-generic
% 0.10/0.38 % CPULimit : 300
% 0.10/0.38 % WCLimit : 300
% 0.10/0.38 % DateTime : Sun Sep 27 18:08:52 UTC 2026
% 0.10/0.39 % CPUTime :
% 0.10/0.39 Running run_vampire /export/starexec/sandbox2/benchmark/theBenchmark.p 300 SAT
% 0.10/0.42 Running first-order model finding
% 0.10/0.42 Running: /export/starexec/sandbox2/solver/bin/vampire-ho --input_syntax tptp --output_axiom_names on --mode casc --intent sat -m 16384 --cores 7 -t 300 /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.16/0.46 % (465233)Will run a generic schedule for satisfiability detection.
% 0.16/0.46 % (465242)ott+31_1_sil=16000:lcm=predicate:bce=on:newcnf=on:random_seed=2445773677:i=116_2999 on theBenchmark for (2999ds/116Mi)
% 0.16/0.46 % (465239)% WARNING: option uhcvi not known.
% 0.16/0.46 % (465242) found proof, printing to "/export/starexec/sandbox2/tmp/vampire-proof-465233-465242"...
% 0.16/0.46 % (465242)...printing done.
% 0.16/0.46 % (465242)Refutation found. Thanks to Tanya!
% 0.16/0.46 % SZS status Unsatisfiable for theBenchmark
% 0.16/0.46 % SZS output start Proof for theBenchmark
% See solution above
% 0.16/0.46 % (465242)------------------------------
% 0.16/0.46 % (465242)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 0.16/0.46 % (465242)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 0.16/0.46 % (465242)CaDiCaL version: 2.1.3
% 0.16/0.46 % (465242)Termination reason: Refutation
% 0.16/0.46 % (465242)Time elapsed: 0.003 s
% 0.16/0.46 % (465242)Peak memory usage: 12 MB
% 0.16/0.46 % (465242)Instructions burned: 7 (million)
% 0.16/0.46 % (465233)Success in time 0.036 s
% 0.16/0.46 % Vampire exiting
%------------------------------------------------------------------------------