%------------------------------------------------------------------------------
% File : Vampire-SAT---5.0.1
% Problem : NLP141-1 : 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 : n010.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 12:09:03 PM UTC 2026
% Result : Unsatisfiable 0.16s 0.47s
% 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/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] :
( artifact(X0,X1)
| ~ instrumentality(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] :
( unisex(X0,X1)
| ~ object(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] :
( ~ two(X0,X1)
| member(X0,skf10(X1,X0),X1) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause60) ).
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] :
( be(skc6,skf6(X0),X0,skf5(X0))
| ~ member(skc6,X0,skc7) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause92) ).
fof(f99,definition,
( spl0_2
<=> ! [X0] : ~ member(skc6,X0,skc7) ),
introduced(definition,[new_symbols(definition,[spl0_2])],[avatar_definition]) ).
fof(f100,plain,
( ! [X0] : ~ member(skc6,X0,skc7)
| ~ spl0_2 ),
inference(avatar_component_clause,[],[f99]) ).
fof(f103,definition,
( spl0_3
<=> ! [X1] : frontseat(skc6,skf5(X1)) ),
introduced(definition,[new_symbols(definition,[spl0_3])],[avatar_definition]) ).
fof(f104,plain,
( ! [X1] : frontseat(skc6,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(skc6,X0)
| ~ member(skc6,X0,skc7) ),
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(skc6,X0,skc7)
| skf5(X0) = X0 ),
inference(resolution,[],[f59,f94]) ).
fof(f127,plain,
member(skc6,skf10(skc7,skc6),skc7),
inference(resolution,[],[f60,f77]) ).
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(skc7,skc6) = skf5(skf10(skc7,skc6)),
inference(resolution,[],[f125,f127]) ).
fof(f171,plain,
! [X0,X1] :
( ~ frontseat(X0,X1)
| instrumentality(X0,X1) ),
inference(resolution,[],[f116,f48]) ).
fof(f172,plain,
! [X0] :
( ~ unisex(skc6,X0)
| ~ member(skc6,X0,skc7) ),
inference(resolution,[],[f118,f106]) ).
fof(f174,plain,
! [X0] :
( ~ object(skc6,X0)
| ~ member(skc6,X0,skc7) ),
inference(resolution,[],[f172,f35]) ).
fof(f190,plain,
( ! [X0] : instrumentality(skc6,skf5(X0))
| ~ spl0_3 ),
inference(resolution,[],[f171,f104]) ).
fof(f193,plain,
( ! [X0] : object(skc6,skf5(X0))
| ~ spl0_3 ),
inference(resolution,[],[f190,f111]) ).
fof(f197,plain,
( ! [X0] : ~ member(skc6,skf5(X0),skc7)
| ~ spl0_3 ),
inference(resolution,[],[f193,f174]) ).
fof(f215,plain,
( ~ member(skc6,skf10(skc7,skc6),skc7)
| ~ spl0_3 ),
inference(superposition,[],[f197,f151]) ).
fof(f219,plain,
( $false
| ~ spl0_3 ),
inference(forward_subsumption_resolution,[],[f215,f127]) ).
fof(f220,plain,
~ spl0_3,
inference(avatar_contradiction_clause,[],[f219]) ).
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,[],[f220]) ).
cnf(s10,plain,
$false,
inference(rat,[],[s2,s8,s3]) ).
fof(f221,plain,
$false,
inference(avatar_sat_refutation,[],[s10]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : NLP141-1 : TPTP v9.3.1. Released v2.4.0.
% 0.00/0.06 % Command : run_vampire /export/starexec/sandbox/benchmark/theBenchmark.p 300 SAT
% 0.11/0.39 % Computer : n010.cluster.edu
% 0.11/0.39 % Model : x86_64 x86_64
% 0.11/0.39 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.11/0.39 % Memory : 8046.5625MB
% 0.11/0.39 % OS : Linux 6.8.0-71-generic
% 0.11/0.39 % CPULimit : 300
% 0.11/0.39 % WCLimit : 300
% 0.11/0.39 % DateTime : Sun Sep 27 18:09:32 UTC 2026
% 0.11/0.39 % CPUTime :
% 0.11/0.39 Running run_vampire /export/starexec/sandbox/benchmark/theBenchmark.p 300 SAT
% 0.11/0.42 Running first-order model finding
% 0.11/0.42 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
% 0.16/0.47 % (1221741)Will run a generic schedule for satisfiability detection.
% 0.16/0.47 % (1221746)fmb+10_1_sas=cadical:bce=on:rp=on:random_seed=3020395736_2999 on theBenchmark for (2999ds/0Mi)
% 0.16/0.47 % TRYING [1]
% 0.16/0.47 % TRYING [2]
% 0.16/0.47 % TRYING [3]
% 0.16/0.47 % TRYING [4]
% 0.16/0.47 % (1221747)% WARNING: option uhcvi not known.
% 0.16/0.47 % TRYING [5]
% 0.16/0.47 % TRYING [6]
% 0.16/0.47 % TRYING [7]
% 0.16/0.47 % (1221747)dis+11_61:31_drc=ordering:lsd=5:bsr=unit_only:rp=on:newcnf=on:random_seed=649456005:i=135531:add=off:rawr=on_2999 on theBenchmark for (2999ds/135531Mi)
% 0.16/0.47 % (1221748)dis+10_161_sil=256000:plsq=on:plsqr=61199697,1048576:gs=on:alpa=true:sac=on:slsq=on:cn=on:random_seed=1721395003:i=88024:add=on:rawr=on_2999 on theBenchmark for (2999ds/88024Mi)
% 0.16/0.47 % (1221749)dis+10_1_sil=32000:sp=arity:random_seed=3081006039:i=103:fgj=on_2999 on theBenchmark for (2999ds/103Mi)
% 0.16/0.47 % (1221750)ott+31_1_sil=16000:lcm=predicate:bce=on:newcnf=on:random_seed=1398800303:i=116_2999 on theBenchmark for (2999ds/116Mi)
% 0.16/0.47 % (1221752)ott-3_16_to=lpo:sil=16000:sp=arity:fd=off:rp=on:random_seed=2347815255:i=159:bs=unit_only:nicw=on:fsr=off:amm=off_2999 on theBenchmark for (2999ds/159Mi)
% 0.16/0.47 % (1221751)ott+1_1_to=lpo:sil=16000:sp=reverse_arity:erd=off:random_seed=3706675986:i=131_2999 on theBenchmark for (2999ds/131Mi)
% 0.16/0.47 % TRYING [8]
% 0.16/0.47 % (1221750) found proof, printing to "/export/starexec/sandbox/tmp/vampire-proof-1221741-1221750"...
% 0.16/0.47 % (1221751) found proof, printing to "/export/starexec/sandbox/tmp/vampire-proof-1221741-1221751"...
% 0.16/0.47 % (1221749) found proof, printing to "/export/starexec/sandbox/tmp/vampire-proof-1221741-1221749"...
% 0.16/0.47 % (1221752) found proof, printing to "/export/starexec/sandbox/tmp/vampire-proof-1221741-1221752"...
% 0.16/0.47 % (1221750)...printing done.
% 0.16/0.47 % (1221751)...printing done.
% 0.16/0.47 % (1221749)...printing done.
% 0.16/0.47 % (1221752)...printing done.
% 0.16/0.47 % TRYING [9]
% 0.16/0.47 % (1221750)Refutation found. Thanks to Tanya!
% 0.16/0.47 % SZS status Unsatisfiable for theBenchmark
% 0.16/0.47 % SZS output start Proof for theBenchmark
% See solution above
% 0.16/0.47 % (1221750)------------------------------
% 0.16/0.47 % (1221750)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 0.16/0.47 % (1221750)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 0.16/0.47 % (1221750)CaDiCaL version: 2.1.3
% 0.16/0.47 % (1221750)Termination reason: Refutation
% 0.16/0.47 % (1221750)Time elapsed: 0.006 s
% 0.16/0.47 % (1221750)Peak memory usage: 12 MB
% 0.16/0.47 % (1221750)Instructions burned: 7 (million)
% 0.16/0.47 % (1221741)Success in time 0.038 s
% 0.16/0.47 % Vampire exiting
%------------------------------------------------------------------------------