%------------------------------------------------------------------------------
% File : Vampire-SAT---5.0.1
% Problem : SEU121+2 : TPTP v9.3.1. Released v3.3.0.
% Transfm : none
% Format : tptp:raw
% Command : run_vampire /export/starexec/sandbox2/benchmark/theBenchmark.p 300 SAT
% Computer : n020.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 12:51:59 PM UTC 2026
% Result : Theorem 0.34s 0.46s
% Output : Refutation 0.34s
% Verified :
% SZS Type : Refutation
% Derivation depth : 8
% Number of leaves : 2
% Syntax : Number of formulae : 19 ( 8 unt; 0 def)
% Number of atoms : 37 ( 0 equ)
% Maximal formula atoms : 3 ( 1 avg)
% Number of connectives : 31 ( 13 ~; 7 |; 6 &)
% ( 2 <=>; 3 =>; 0 <=; 0 <~>)
% Maximal formula depth : 7 ( 4 avg)
% Maximal term depth : 2 ( 1 avg)
% Number of predicates : 3 ( 2 usr; 1 prp; 0-2 aty)
% Number of functors : 4 ( 4 usr; 3 con; 0-2 aty)
% Number of variables : 27 ( 21 !; 6 ?)
% Comments :
%------------------------------------------------------------------------------
fof(f4,axiom,
! [X0,X1] :
( subset(X0,X1)
<=> ! [X2] :
( in(X2,X0)
=> in(X2,X1) ) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d3_tarski) ).
fof(f15,conjecture,
! [X0,X1,X2] :
( ( subset(X0,X1)
& subset(X1,X2) )
=> subset(X0,X2) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t1_xboole_1) ).
fof(f16,negated_conjecture,
~ ! [X0,X1,X2] :
( ( subset(X0,X1)
& subset(X1,X2) )
=> subset(X0,X2) ),
inference(negated_conjecture,[status(cth)],[f15]) ).
fof(f27,plain,
! [X0,X1] :
( subset(X0,X1)
<=> ! [X2] :
( in(X2,X1)
| ~ in(X2,X0) ) ),
inference(ennf_transformation,[],[f4]) ).
fof(f29,plain,
? [X0,X1,X2] :
( ~ subset(X0,X2)
& subset(X0,X1)
& subset(X1,X2) ),
inference(ennf_transformation,[],[f16]) ).
fof(f30,plain,
? [X0,X1,X2] :
( ~ subset(X0,X2)
& subset(X0,X1)
& subset(X1,X2) ),
inference(flattening,[],[f29]) ).
fof(f40,plain,
! [X2,X0,X1] :
( ~ subset(X0,X1)
| in(X2,X1)
| ~ in(X2,X0) ),
inference(cnf_transformation,[],[f27]) ).
fof(f41,plain,
! [X0,X1] :
( subset(X0,X1)
| in(sK1(X0,X1),X0) ),
inference(cnf_transformation,[],[f27]) ).
fof(f42,plain,
! [X0,X1] :
( subset(X0,X1)
| ~ in(sK1(X0,X1),X1) ),
inference(cnf_transformation,[],[f27]) ).
fof(f57,plain,
subset(sK6,sK7),
inference(cnf_transformation,[],[f30]) ).
fof(f58,plain,
subset(sK5,sK6),
inference(cnf_transformation,[],[f30]) ).
fof(f59,plain,
~ subset(sK5,sK7),
inference(cnf_transformation,[],[f30]) ).
fof(f94,plain,
in(sK1(sK5,sK7),sK5),
inference(resolution,[],[f41,f59]) ).
fof(f97,plain,
~ in(sK1(sK5,sK7),sK7),
inference(resolution,[],[f42,f59]) ).
fof(f124,plain,
! [X0] :
( in(X0,sK7)
| ~ in(X0,sK6) ),
inference(resolution,[],[f40,f57]) ).
fof(f125,plain,
! [X0] :
( in(X0,sK6)
| ~ in(X0,sK5) ),
inference(resolution,[],[f40,f58]) ).
fof(f131,plain,
~ in(sK1(sK5,sK7),sK6),
inference(resolution,[],[f124,f97]) ).
fof(f146,plain,
~ in(sK1(sK5,sK7),sK5),
inference(resolution,[],[f125,f131]) ).
fof(f147,plain,
$false,
inference(forward_subsumption_resolution,[],[f146,f94]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : SEU121+2 : TPTP v9.3.1. Released v3.3.0.
% 0.00/0.05 % Command : run_vampire /export/starexec/sandbox2/benchmark/theBenchmark.p 300 SAT
% 0.09/0.37 % Computer : n020.cluster.edu
% 0.09/0.37 % Model : x86_64 x86_64
% 0.09/0.37 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.09/0.37 % Memory : 8046.5625MB
% 0.09/0.37 % OS : Linux 6.8.0-71-generic
% 0.09/0.37 % CPULimit : 300
% 0.09/0.37 % WCLimit : 300
% 0.09/0.37 % DateTime : Mon Sep 28 03:38:20 UTC 2026
% 0.09/0.37 % CPUTime :
% 0.09/0.37 Running run_vampire /export/starexec/sandbox2/benchmark/theBenchmark.p 300 SAT
% 0.09/0.41 Running first-order model finding
% 0.09/0.41 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
% 0.34/0.46 % (4002771)Will run a generic schedule for satisfiability detection.
% 0.34/0.46 % (4002776)fmb+10_1_sas=cadical:bce=on:rp=on:random_seed=3215472373_2999 on theBenchmark for (2999ds/0Mi)
% 0.34/0.46 % TRYING [1]
% 0.34/0.46 % TRYING [2]
% 0.34/0.46 % TRYING [3]
% 0.34/0.46 % TRYING [4]
% 0.34/0.46 % (4002777)% WARNING: option uhcvi not known.
% 0.34/0.46 % (4002777)dis+11_61:31_drc=ordering:lsd=5:bsr=unit_only:rp=on:newcnf=on:random_seed=1817332106:i=135531:add=off:rawr=on_2999 on theBenchmark for (2999ds/135531Mi)
% 0.34/0.46 % (4002778)dis+10_161_sil=256000:plsq=on:plsqr=61199697,1048576:gs=on:alpa=true:sac=on:slsq=on:cn=on:random_seed=3661077811:i=88024:add=on:rawr=on_2999 on theBenchmark for (2999ds/88024Mi)
% 0.34/0.46 % (4002779)dis+10_1_sil=32000:sp=arity:random_seed=763235536:i=103:fgj=on_2999 on theBenchmark for (2999ds/103Mi)
% 0.34/0.46 % (4002780)ott+31_1_sil=16000:lcm=predicate:bce=on:newcnf=on:random_seed=4042876819:i=116_2999 on theBenchmark for (2999ds/116Mi)
% 0.34/0.46 % TRYING [5]
% 0.34/0.46 % (4002782)ott-3_16_to=lpo:sil=16000:sp=arity:fd=off:rp=on:random_seed=3859128910:i=159:bs=unit_only:nicw=on:fsr=off:amm=off_2999 on theBenchmark for (2999ds/159Mi)
% 0.34/0.46 % (4002781)ott+1_1_to=lpo:sil=16000:sp=reverse_arity:erd=off:random_seed=1284749562:i=131_2999 on theBenchmark for (2999ds/131Mi)
% 0.34/0.46 % (4002780) found proof, printing to "/export/starexec/sandbox2/tmp/vampire-proof-4002771-4002780"...
% 0.34/0.46 % (4002780)...printing done.
% 0.34/0.46 % (4002781) found proof, printing to "/export/starexec/sandbox2/tmp/vampire-proof-4002771-4002781"...
% 0.34/0.46 % (4002781)...printing done.
% 0.34/0.46 % (4002780)Refutation found. Thanks to Tanya!
% 0.34/0.46 % SZS status Theorem for theBenchmark
% 0.34/0.46 % SZS output start Proof for theBenchmark
% See solution above
% 0.34/0.46 % (4002780)------------------------------
% 0.34/0.46 % (4002780)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 0.34/0.46 % (4002780)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 0.34/0.46 % (4002780)CaDiCaL version: 2.1.3
% 0.34/0.46 % (4002780)Termination reason: Refutation
% 0.34/0.46 % (4002780)Time elapsed: 0.004 s
% 0.34/0.46 % (4002780)Peak memory usage: 12 MB
% 0.34/0.46 % (4002780)Instructions burned: 4 (million)
% 0.34/0.46 % (4002771)Success in time 0.046 s
% 0.34/0.46 % Vampire exiting
%------------------------------------------------------------------------------