%------------------------------------------------------------------------------
% File : Vampire-SAT---5.0.1
% Problem : ARI128_1 : TPTP v9.3.1. Released v5.0.0.
% Transfm : none
% Format : tptp:raw
% Command : run_vampire /export/starexec/sandbox2/benchmark/theBenchmark.p 300 SAT
% Computer : n026.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 09:34:06 AM UTC 2026
% Result : Theorem 0.20s 0.28s
% Output : Refutation 0.20s
% Verified :
% SZS Type : Refutation
% Derivation depth : 4
% Number of leaves : 1
% Syntax : Number of formulae : 5 ( 5 unt; 0 typ; 0 def)
% Number of atoms : 5 ( 4 equ)
% Maximal formula atoms : 1 ( 1 avg)
% Number of connectives : 3 ( 3 ~; 0 |; 0 &)
% ( 0 <=>; 0 =>; 0 <=; 0 <~>)
% Maximal formula depth : 2 ( 1 avg)
% Maximal term depth : 2 ( 1 avg)
% Number of FOOLs : 1 ( 1 fml; 0 var)
% Number arithmetic : 12 ( 0 atm; 4 fun; 8 num; 0 var)
% Number of types : 0 ( 0 usr)
% Number of type conns : 0 ( 0 >; 0 *; 0 +; 0 <<)
% Number of predicates : 2 ( 0 usr; 1 prp; 0-2 aty)
% Number of functors : 3 ( 0 usr; 2 con; 0-1 aty)
% Number of variables : 0 ( 0 !; 0 ?; 0 :)
% Comments :
%------------------------------------------------------------------------------
tff(f1,conjecture,
-2 = $uminus(2),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',n2_equal_uminus_2) ).
tff(f2,negated_conjecture,
( ( ~ -2 ) = $uminus(2) ),
inference(negated_conjecture,[status(cth)],[f1]) ).
tff(f15,plain,
-2 != $uminus(2),
inference(flattening,[],[f2]) ).
tff(f16,plain,
-2 != $uminus(2),
inference(cnf_transformation,[],[f15]) ).
tff(f17,plain,
$false,
inference(evaluation,[],[f16]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : ARI128_1 : TPTP v9.3.1. Released v5.0.0.
% 0.00/0.06 % Command : run_vampire /export/starexec/sandbox2/benchmark/theBenchmark.p 300 SAT
% 0.08/0.20 % Computer : n026.cluster.edu
% 0.08/0.20 % Model : x86_64 x86_64
% 0.08/0.20 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.08/0.20 % Memory : 8046.5625MB
% 0.08/0.20 % OS : Linux 6.8.0-71-generic
% 0.08/0.20 % CPULimit : 300
% 0.08/0.20 % WCLimit : 300
% 0.08/0.20 % DateTime : Mon Sep 28 20:45:57 UTC 2026
% 0.08/0.21 % CPUTime :
% 0.08/0.21 Running run_vampire /export/starexec/sandbox2/benchmark/theBenchmark.p 300 SAT
% 0.08/0.24 Running first-order model finding
% 0.08/0.24 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
% 0.20/0.28 % (34080)Will run a generic schedule for satisfiability detection.
% 0.20/0.28 % (34090)fmb+10_1_sas=cadical:bce=on:rp=on:random_seed=1187089400_2999 on theBenchmark for (2999ds/0Mi)
% 0.20/0.28 % (34090)WARNING: trying to run FMB on interpreted or otherwise provably infinite-domain problem!
% 0.20/0.28 % (34090)Terminated due to inappropriate strategy.
% 0.20/0.28 % (34090)------------------------------
% 0.20/0.28 % (34090)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 0.20/0.28 % (34090)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 0.20/0.28 % (34090)CaDiCaL version: 2.1.3
% 0.20/0.28 % (34090)Termination reason: Inappropriate
% 0.20/0.28 % (34090)Time elapsed: 0.0000 s
% 0.20/0.28 % (34090)Peak memory usage: 10 MB
% 0.20/0.28 % (34090)------------------------------
% 0.20/0.28 % (34090)------------------------------
% 0.20/0.28 % (34091)% WARNING: option uhcvi not known.
% 0.20/0.28 % (34091)dis+11_61:31_drc=ordering:lsd=5:bsr=unit_only:rp=on:newcnf=on:random_seed=4072291285:i=135531:add=off:rawr=on_2999 on theBenchmark for (2999ds/135531Mi)
% 0.20/0.28 % (34094)dis+10_1_sil=32000:sp=arity:random_seed=3054242361:i=103:fgj=on_2999 on theBenchmark for (2999ds/103Mi)
% 0.20/0.28 % (34092)dis+10_161_sil=256000:plsq=on:plsqr=61199697,1048576:gs=on:alpa=true:sac=on:slsq=on:cn=on:random_seed=3397972531:i=88024:add=on:rawr=on_2999 on theBenchmark for (2999ds/88024Mi)
% 0.20/0.28 % (34091) found proof, printing to "/export/starexec/sandbox2/tmp/vampire-proof-34080-34091"...
% 0.20/0.28 % (34094) found proof, printing to "/export/starexec/sandbox2/tmp/vampire-proof-34080-34094"...
% 0.20/0.28 % (34096)ott+1_1_to=lpo:sil=16000:sp=reverse_arity:erd=off:random_seed=18153416:i=131_2999 on theBenchmark for (2999ds/131Mi)
% 0.20/0.28 % (34092) found proof, printing to "/export/starexec/sandbox2/tmp/vampire-proof-34080-34092"...
% 0.20/0.28 % (34091)...printing done.
% 0.20/0.28 % (34096) found proof, printing to "/export/starexec/sandbox2/tmp/vampire-proof-34080-34096"...
% 0.20/0.28 % (34094)...printing done.
% 0.20/0.28 % (34095)ott+31_1_sil=16000:lcm=predicate:bce=on:newcnf=on:random_seed=769228737:i=116_2999 on theBenchmark for (2999ds/116Mi)
% 0.20/0.28 % (34097)ott-3_16_to=lpo:sil=16000:sp=arity:fd=off:rp=on:random_seed=1646570695:i=159:bs=unit_only:nicw=on:fsr=off:amm=off_2999 on theBenchmark for (2999ds/159Mi)
% 0.20/0.28 % (34092)...printing done.
% 0.20/0.28 % (34094)Refutation found. Thanks to Tanya!
% 0.20/0.28 % SZS status Theorem for theBenchmark
% 0.20/0.28 % SZS output start Proof for theBenchmark
% See solution above
% 0.20/0.28 % (34094)------------------------------
% 0.20/0.28 % (34094)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 0.20/0.28 % (34094)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 0.20/0.28 % (34094)CaDiCaL version: 2.1.3
% 0.20/0.28 % (34094)Termination reason: Refutation
% 0.20/0.28 % (34094)Time elapsed: 0.001 s
% 0.20/0.28 % (34094)Peak memory usage: 11 MB
% 0.20/0.28 % (34080)Success in time 0.035 s
% 0.20/0.28 % Vampire exiting
%------------------------------------------------------------------------------