%------------------------------------------------------------------------------
% File : Vampire---5.0.1
% Problem : ARI463_1 : TPTP v9.3.1. Released v5.0.0.
% Transfm : none
% Format : tptp:raw
% Command : run_vampire /export/starexec/sandbox2/benchmark/theBenchmark.p 300 THM
% Computer : n004.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 09:33:12 AM UTC 2026
% Result : Theorem 2.74s 1.15s
% Output : Refutation 2.74s
% Verified :
% SZS Type : Refutation
% Derivation depth : 6
% Number of leaves : 6
% Syntax : Number of formulae : 17 ( 14 unt; 0 typ; 5 def)
% Number of atoms : 20 ( 13 equ)
% Maximal formula atoms : 2 ( 1 avg)
% Number of connectives : 8 ( 5 ~; 0 |; 0 &)
% ( 3 <=>; 0 =>; 0 <=; 0 <~>)
% Maximal formula depth : 2 ( 1 avg)
% Maximal term depth : 3 ( 1 avg)
% Number of FOOLs : 1 ( 1 fml; 0 var)
% Number arithmetic : 27 ( 0 atm; 13 fun; 14 num; 0 var)
% Number of types : 1 ( 0 usr; 1 ari; 0 dat; 0 cdt)
% Number of type conns : 0 ( 0 >; 0 *; 0 +; 0 <<)
% Number of predicates : 5 ( 3 usr; 4 prp; 0-2 aty)
% Number of functors : 5 ( 2 usr; 4 con; 0-1 aty)
% Number of variables : 0 ( 0 !; 0 ?; 0 :)
% Comments :
%------------------------------------------------------------------------------
tff(func_def_5,type,
sF0: $real ).
tff(func_def_6,type,
sF1: $real ).
tff(f1,conjecture,
$uminus($uminus(3/4)) = 3/4,
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',real_uminus_problem_5) ).
tff(f2,negated_conjecture,
( ( ~ $uminus($uminus(3/4)) ) = 3/4 ),
inference(negated_conjecture,[status(cth)],[f1]) ).
tff(f14,plain,
3/4 != $uminus($uminus(3/4)),
inference(flattening,[],[f2]) ).
tff(f15,plain,
3/4 != $uminus($uminus(3/4)),
inference(cnf_transformation,[],[f14]) ).
tff(f16,definition,
sF0 = $uminus(3/4),
introduced(definition,[new_symbols(definition,[sF0])],[function_definition]) ).
tff(f17,plain,
$uminus(3/4) = sF0,
inference(reorient_equations,[],[f16]) ).
tff(f18,definition,
sF1 = $uminus(sF0),
introduced(definition,[new_symbols(definition,[sF1])],[function_definition]) ).
tff(f19,plain,
$uminus(sF0) = sF1,
inference(reorient_equations,[],[f18]) ).
tff(f20,plain,
3/4 != sF1,
inference(definition_folding,[],[f15,f19,f17]) ).
tff(f21,plain,
-3/4 = sF0,
inference(evaluation,[],[f17]) ).
tff(f23,definition,
( spl2_1
<=> ( -3/4 = sF0 ) ),
introduced(definition,[new_symbols(definition,[spl2_1])],[avatar_definition]) ).
tff(f26,plain,
spl2_1,
inference(avatar_split_clause,[],[f21,f23]) ).
tff(f28,definition,
( spl2_2
<=> ( $uminus(sF0) = sF1 ) ),
introduced(definition,[new_symbols(definition,[spl2_2])],[avatar_definition]) ).
tff(f31,plain,
spl2_2,
inference(avatar_split_clause,[],[f19,f28]) ).
tff(f33,definition,
( spl2_3
<=> ( 3/4 = sF1 ) ),
introduced(definition,[new_symbols(definition,[spl2_3])],[avatar_definition]) ).
tff(f36,plain,
~ spl2_3,
inference(avatar_split_clause,[],[f20,f33]) ).
tff(f37,plain,
$false,
inference(avatar_smt_refutation,[],[f36,f31,f26]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : ARI463_1 : TPTP v9.3.1. Released v5.0.0.
% 0.00/0.06 % Command : run_vampire /export/starexec/sandbox2/benchmark/theBenchmark.p 300 THM
% 0.07/0.18 % Computer : n004.cluster.edu
% 0.07/0.18 % Model : x86_64 x86_64
% 0.07/0.18 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.07/0.18 % Memory : 8046.5625MB
% 0.07/0.18 % OS : Linux 6.8.0-71-generic
% 0.07/0.18 % CPULimit : 300
% 0.07/0.18 % WCLimit : 300
% 0.07/0.18 % DateTime : Mon Sep 28 20:50:37 UTC 2026
% 0.07/0.19 % CPUTime :
% 0.07/0.19 Running run_vampire /export/starexec/sandbox2/benchmark/theBenchmark.p 300 THM
% 0.07/0.22 Running first-order theorem proving
% 0.07/0.22 Running: /export/starexec/sandbox2/solver/bin/vampire --input_syntax tptp --output_axiom_names on --mode casc -m 16384 --cores 7 -t 300 /export/starexec/sandbox2/benchmark/theBenchmark.p
% 2.74/1.15 % (755084)Detected arithmetic, will pick strategies from an ALASCA-aware ARI schedule.
% 2.74/1.15 % (755115)lrs+10_1_tgt=ground:sas=z3:si=on:random_seed=300522529:i=33:rtra=on_2999 on theBenchmark for (2999ds/33Mi)
% 2.74/1.15 % (755115)First to succeed.
% 2.74/1.15 % (755115)Solution written to "/export/starexec/sandbox2/tmp/vampire-proof-755084"
% 2.74/1.15 % (755112)lrs+1002_4:1_to=lpo:sil=64000:si=on:br=off:random_seed=4288384149:s2a=on:i=7:rtra=on:inst=on_2999 on theBenchmark for (2999ds/7Mi)
% 2.74/1.15 % (755110)dis+1002_1_to=kbo:sil=128000:tgt=ground:sas=z3:si=on:spb=units:tha=off:random_seed=1552581095:i=307:kws=precedence:nm=0:rtra=on_2999 on theBenchmark for (2999ds/307Mi)
% 2.74/1.15 % (755113)dis+21_64_to=kbo:sil=128000:si=on:sp=weighted_frequency:uwa=alasca_can_abstract:random_seed=445476117:i=4:rtra=on_2999 on theBenchmark for (2999ds/4Mi)
% 2.74/1.15 % (755109)dis+1002_16:1_to=lpo:sil=64000:sas=z3:si=on:norm_ineq=on:gve=force:uwa=one_side_constant:random_seed=1954144666:i=12:doe=on:rtra=on:gtg=exists_top:ss=axioms_2999 on theBenchmark for (2999ds/12Mi)
% 2.74/1.15 % (755111)dis+10_3_slsqr=1,4:to=lpo:sil=128000:thi=strong:si=on:uwa=off:s2agt=20:slsqc=1:slsq=on:random_seed=1427032067:i=201:slsql=off:asg=cautious:rtra=on:gtg=all:ss=axioms:sgt=16_2999 on theBenchmark for (2999ds/201Mi)
% 2.74/1.15 % (755113)Also succeeded, but the first one will report.
% 2.74/1.15 % (755112)Also succeeded, but the first one will report.
% 2.74/1.15 % (755114)lrs+10_1_to=lpo:sas=z3:si=on:tha=off:random_seed=3027208961:i=46:rtra=on_2999 on theBenchmark for (2999ds/46Mi)
% 2.74/1.15 % (755111)Also succeeded, but the first one will report.
% 2.74/1.15 % (755109)Also succeeded, but the first one will report.
% 2.74/1.15 % (755110)Also succeeded, but the first one will report.
% 2.74/1.15 % (755114)Also succeeded, but the first one will report.
% 2.74/1.15 % (755115)Refutation found. Thanks to Tanya!
% 2.74/1.15 % SZS status Theorem for theBenchmark
% 2.74/1.15 % SZS output start Proof for theBenchmark
% See solution above
% 2.74/1.15 % (755115)------------------------------
% 2.74/1.15 % (755115)Version: Vampire 5.0.1 (Release build, commit ea8961452 on 2026-07-16 15:14:34 +0200)
% 2.74/1.15 % (755115)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 2.74/1.15 % (755115)CaDiCaL version: 2.1.3
% 2.74/1.15 % (755115)Termination reason: Refutation
% 2.74/1.15 % (755115)Time elapsed: 0.019 s
% 2.74/1.15 % (755115)Peak memory usage: 116 MB
% 2.74/1.15 % (755115)Instructions burned: 9 (million)
% 2.74/1.15 % (755115)------------------------------
% 2.74/1.15 % (755115)------------------------------
% 2.74/1.15 % (755084)Success in time 0.293 s
% 2.74/1.15 % Vampire exiting
%------------------------------------------------------------------------------