%------------------------------------------------------------------------------
% File : Vampire-SAT---5.0.1
% Problem : SEU161+3 : TPTP v9.3.1. Released v3.2.0.
% 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 12:52:11 PM UTC 2026
% Result : Theorem 0.19s 0.47s
% Output : Refutation 0.19s
% Verified :
% SZS Type : Refutation
% Derivation depth : 5
% Number of leaves : 2
% Syntax : Number of formulae : 10 ( 4 unt; 0 def)
% Number of atoms : 16 ( 8 equ)
% Maximal formula atoms : 2 ( 1 avg)
% Number of connectives : 11 ( 5 ~; 2 |; 1 &)
% ( 0 <=>; 3 =>; 0 <=; 0 <~>)
% Maximal formula depth : 5 ( 3 avg)
% Maximal term depth : 3 ( 1 avg)
% Number of predicates : 3 ( 1 usr; 1 prp; 0-2 aty)
% Number of functors : 4 ( 4 usr; 2 con; 0-2 aty)
% Number of variables : 12 ( 10 !; 2 ?)
% Comments :
%------------------------------------------------------------------------------
fof(f8,conjecture,
! [X0,X1] :
( in(X0,X1)
=> set_union2(singleton(X0),X1) = X1 ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t46_zfmisc_1) ).
fof(f9,negated_conjecture,
~ ! [X0,X1] :
( in(X0,X1)
=> set_union2(singleton(X0),X1) = X1 ),
inference(negated_conjecture,[status(cth)],[f8]) ).
fof(f10,axiom,
! [X0,X1] :
( in(X0,X1)
=> set_union2(singleton(X0),X1) = X1 ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',l23_zfmisc_1) ).
fof(f15,plain,
? [X0,X1] :
( set_union2(singleton(X0),X1) != X1
& in(X0,X1) ),
inference(ennf_transformation,[],[f9]) ).
fof(f16,plain,
! [X0,X1] :
( set_union2(singleton(X0),X1) = X1
| ~ in(X0,X1) ),
inference(ennf_transformation,[],[f10]) ).
fof(f24,plain,
in(sK2,sK3),
inference(cnf_transformation,[],[f15]) ).
fof(f25,plain,
sK3 != set_union2(singleton(sK2),sK3),
inference(cnf_transformation,[],[f15]) ).
fof(f26,plain,
! [X0,X1] :
( ~ in(X0,X1)
| set_union2(singleton(X0),X1) = X1 ),
inference(cnf_transformation,[],[f16]) ).
fof(f40,plain,
sK3 = set_union2(singleton(sK2),sK3),
inference(resolution,[],[f26,f24]) ).
fof(f41,plain,
$false,
inference(forward_subsumption_resolution,[],[f40,f25]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : SEU161+3 : TPTP v9.3.1. Released v3.2.0.
% 0.00/0.05 % Command : run_vampire /export/starexec/sandbox2/benchmark/theBenchmark.p 300 SAT
% 0.13/0.39 % Computer : n013.cluster.edu
% 0.13/0.39 % Model : x86_64 x86_64
% 0.13/0.39 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.39 % Memory : 8046.5625MB
% 0.13/0.39 % OS : Linux 6.8.0-71-generic
% 0.13/0.40 % CPULimit : 300
% 0.13/0.40 % WCLimit : 300
% 0.13/0.40 % DateTime : Mon Sep 28 03:48:37 UTC 2026
% 0.13/0.40 % CPUTime :
% 0.13/0.40 Running run_vampire /export/starexec/sandbox2/benchmark/theBenchmark.p 300 SAT
% 0.13/0.43 Running first-order model finding
% 0.13/0.43 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
% 0.19/0.47 % (782242)Will run a generic schedule for satisfiability detection.
% 0.19/0.47 % (782247)fmb+10_1_sas=cadical:bce=on:rp=on:random_seed=1039807392_2999 on theBenchmark for (2999ds/0Mi)
% 0.19/0.47 % TRYING [1]
% 0.19/0.47 % TRYING [2]
% 0.19/0.47 % TRYING [3]
% 0.19/0.47 % TRYING [4]
% 0.19/0.47 % TRYING [5]
% 0.19/0.47 % (782248)% WARNING: option uhcvi not known.
% 0.19/0.47 % TRYING [6]
% 0.19/0.47 % TRYING [7]
% 0.19/0.47 % (782248)dis+11_61:31_drc=ordering:lsd=5:bsr=unit_only:rp=on:newcnf=on:random_seed=2797758178:i=135531:add=off:rawr=on_2999 on theBenchmark for (2999ds/135531Mi)
% 0.19/0.47 % (782249)dis+10_161_sil=256000:plsq=on:plsqr=61199697,1048576:gs=on:alpa=true:sac=on:slsq=on:cn=on:random_seed=2530220740:i=88024:add=on:rawr=on_2999 on theBenchmark for (2999ds/88024Mi)
% 0.19/0.47 % (782250)dis+10_1_sil=32000:sp=arity:random_seed=292832068:i=103:fgj=on_2999 on theBenchmark for (2999ds/103Mi)
% 0.19/0.47 % (782251)ott+31_1_sil=16000:lcm=predicate:bce=on:newcnf=on:random_seed=2329180967:i=116_2999 on theBenchmark for (2999ds/116Mi)
% 0.19/0.47 % (782252)ott+1_1_to=lpo:sil=16000:sp=reverse_arity:erd=off:random_seed=2789293214:i=131_2999 on theBenchmark for (2999ds/131Mi)
% 0.19/0.47 % (782253)ott-3_16_to=lpo:sil=16000:sp=arity:fd=off:rp=on:random_seed=518421862:i=159:bs=unit_only:nicw=on:fsr=off:amm=off_2999 on theBenchmark for (2999ds/159Mi)
% 0.19/0.47 % (782248) found proof, printing to "/export/starexec/sandbox2/tmp/vampire-proof-782242-782248"...
% 0.19/0.47 % (782250) found proof, printing to "/export/starexec/sandbox2/tmp/vampire-proof-782242-782250"...
% 0.19/0.47 % (782252) found proof, printing to "/export/starexec/sandbox2/tmp/vampire-proof-782242-782252"...
% 0.19/0.47 % (782251) found proof, printing to "/export/starexec/sandbox2/tmp/vampire-proof-782242-782251"...
% 0.19/0.47 % (782249) found proof, printing to "/export/starexec/sandbox2/tmp/vampire-proof-782242-782249"...
% 0.19/0.47 % (782253) found proof, printing to "/export/starexec/sandbox2/tmp/vampire-proof-782242-782253"...
% 0.19/0.47 % (782248)...printing done.
% 0.19/0.47 % (782250)...printing done.
% 0.19/0.47 % (782252)...printing done.
% 0.19/0.47 % (782251)...printing done.
% 0.19/0.47 % (782249)...printing done.
% 0.19/0.47 % (782253)...printing done.
% 0.19/0.47 % (782248)Refutation found. Thanks to Tanya!
% 0.19/0.47 % SZS status Theorem for theBenchmark
% 0.19/0.47 % SZS output start Proof for theBenchmark
% See solution above
% 0.19/0.47 % (782248)------------------------------
% 0.19/0.47 % (782248)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 0.19/0.47 % (782248)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 0.19/0.47 % (782248)CaDiCaL version: 2.1.3
% 0.19/0.47 % (782248)Termination reason: Refutation
% 0.19/0.47 % (782248)Time elapsed: 0.002 s
% 0.19/0.47 % (782248)Peak memory usage: 12 MB
% 0.19/0.47 % (782248)Instructions burned: 1 (million)
% 0.19/0.47 % (782242)Success in time 0.034 s
% 0.19/0.47 % Vampire exiting
%------------------------------------------------------------------------------