%------------------------------------------------------------------------------
% File : Vampire---5.0.1
% Problem : ARI260_1 : TPTP v9.3.1. Released v5.0.0.
% Transfm : none
% Format : tptp:raw
% Command : run_vampire /export/starexec/sandbox/benchmark/theBenchmark.p 300 THM
% Computer : n009.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 09:32:48 AM UTC 2026
% Result : Theorem 2.54s 0.84s
% Output : Refutation 2.54s
% Verified :
% SZS Type : Refutation
% Derivation depth : 6
% Number of leaves : 3
% Syntax : Number of formulae : 12 ( 11 unt; 0 typ; 2 def)
% Number of atoms : 13 ( 9 equ)
% Maximal formula atoms : 2 ( 1 avg)
% Number of connectives : 6 ( 5 ~; 0 |; 0 &)
% ( 1 <=>; 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 : 25 ( 0 atm; 6 fun; 19 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 : 3 ( 1 usr; 2 prp; 0-2 aty)
% Number of functors : 5 ( 1 usr; 4 con; 0-2 aty)
% Number of variables : 0 ( 0 !; 0 ?; 0 :)
% Comments :
%------------------------------------------------------------------------------
tff(func_def_7,type,
sF0: $rat ).
tff(f1,conjecture,
$sum(-7/2,-1/2) = -4/1,
file('/export/starexec/sandbox/benchmark/theBenchmark.p',rat_sum_problem_15) ).
tff(f2,negated_conjecture,
( ( ~ $sum(-7/2,-1/2) ) = -4/1 ),
inference(negated_conjecture,[status(cth)],[f1]) ).
tff(f14,plain,
$sum(-7/2,-1/2) != -4/1,
inference(flattening,[],[f2]) ).
tff(f15,plain,
$sum(-7/2,-1/2) != -4/1,
inference(cnf_transformation,[],[f14]) ).
tff(f16,definition,
sF0 = $sum(-7/2,-1/2),
introduced(definition,[new_symbols(definition,[sF0])],[function_definition]) ).
tff(f17,plain,
$sum(-7/2,-1/2) = sF0,
inference(reorient_equations,[],[f16]) ).
tff(f18,plain,
-4/1 != sF0,
inference(definition_folding,[],[f15,f17]) ).
tff(f19,plain,
-4/1 = sF0,
inference(evaluation,[],[f17]) ).
tff(f21,definition,
( spl1_1
<=> ( -4/1 = sF0 ) ),
introduced(definition,[new_symbols(definition,[spl1_1])],[avatar_definition]) ).
tff(f24,plain,
spl1_1,
inference(avatar_split_clause,[],[f19,f21]) ).
tff(f25,plain,
~ spl1_1,
inference(avatar_split_clause,[],[f18,f21]) ).
tff(f26,plain,
$false,
inference(avatar_smt_refutation,[],[f25,f24]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.02 % Problem : ARI260_1 : TPTP v9.3.1. Released v5.0.0.
% 0.00/0.05 % Command : run_vampire /export/starexec/sandbox/benchmark/theBenchmark.p 300 THM
% 0.10/0.17 % Computer : n009.cluster.edu
% 0.10/0.17 % Model : x86_64 x86_64
% 0.10/0.17 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.10/0.17 % Memory : 8046.5625MB
% 0.10/0.17 % OS : Linux 6.8.0-71-generic
% 0.10/0.17 % CPULimit : 300
% 0.10/0.17 % WCLimit : 300
% 0.10/0.17 % DateTime : Mon Sep 28 20:45:45 UTC 2026
% 0.10/0.17 % CPUTime :
% 0.10/0.17 Running run_vampire /export/starexec/sandbox/benchmark/theBenchmark.p 300 THM
% 0.10/0.21 Running first-order theorem proving
% 0.10/0.21 Running: /export/starexec/sandbox/solver/bin/vampire --input_syntax tptp --output_axiom_names on --mode casc -m 16384 --cores 7 -t 300 /export/starexec/sandbox/benchmark/theBenchmark.p
% 2.54/0.84 % (3445001)Detected arithmetic, will pick strategies from an ALASCA-aware ARI schedule.
% 2.54/0.84 % (3445091)lrs+10_1_tgt=ground:sas=z3:si=on:random_seed=393686965:i=33:rtra=on_2999 on theBenchmark for (2999ds/33Mi)
% 2.54/0.84 % (3445091)First to succeed.
% 2.54/0.84 % (3445091)Solution written to "/export/starexec/sandbox/tmp/vampire-proof-3445001"
% 2.54/0.84 % (3445087)lrs+1002_4:1_to=lpo:sil=64000:si=on:br=off:random_seed=221586611:s2a=on:i=7:rtra=on:inst=on_2999 on theBenchmark for (2999ds/7Mi)
% 2.54/0.84 % (3445088)dis+21_64_to=kbo:sil=128000:si=on:sp=weighted_frequency:uwa=alasca_can_abstract:random_seed=4172812417:i=4:rtra=on_2999 on theBenchmark for (2999ds/4Mi)
% 2.54/0.84 % (3445085)dis+10_3_slsqr=1,4:to=lpo:sil=128000:thi=strong:si=on:uwa=off:s2agt=20:slsqc=1:slsq=on:random_seed=2201603235:i=201:slsql=off:asg=cautious:rtra=on:gtg=all:ss=axioms:sgt=16_2999 on theBenchmark for (2999ds/201Mi)
% 2.54/0.84 % (3445089)lrs+10_1_to=lpo:sas=z3:si=on:tha=off:random_seed=3266113193:i=46:rtra=on_2999 on theBenchmark for (2999ds/46Mi)
% 2.54/0.84 % (3445084)dis+1002_1_to=kbo:sil=128000:tgt=ground:sas=z3:si=on:spb=units:tha=off:random_seed=735792895:i=307:kws=precedence:nm=0:rtra=on_2999 on theBenchmark for (2999ds/307Mi)
% 2.54/0.84 % (3445082)dis+1002_16:1_to=lpo:sil=64000:sas=z3:si=on:norm_ineq=on:gve=force:uwa=one_side_constant:random_seed=227034596:i=12:doe=on:rtra=on:gtg=exists_top:ss=axioms_2999 on theBenchmark for (2999ds/12Mi)
% 2.54/0.84 % (3445087)Also succeeded, but the first one will report.
% 2.54/0.84 % (3445088)Also succeeded, but the first one will report.
% 2.54/0.84 % (3445082)Also succeeded, but the first one will report.
% 2.54/0.84 % (3445085)Also succeeded, but the first one will report.
% 2.54/0.84 % (3445089)Also succeeded, but the first one will report.
% 2.54/0.84 % (3445084)Also succeeded, but the first one will report.
% 2.54/0.84 % (3445091)Refutation found. Thanks to Tanya!
% 2.54/0.84 % SZS status Theorem for theBenchmark
% 2.54/0.84 % SZS output start Proof for theBenchmark
% See solution above
% 2.54/0.84 % (3445091)------------------------------
% 2.54/0.84 % (3445091)Version: Vampire 5.0.1 (Release build, commit ea8961452 on 2026-07-16 15:14:34 +0200)
% 2.54/0.84 % (3445091)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 2.54/0.84 % (3445091)CaDiCaL version: 2.1.3
% 2.54/0.84 % (3445091)Termination reason: Refutation
% 2.54/0.84 % (3445091)Time elapsed: 0.019 s
% 2.54/0.84 % (3445091)Peak memory usage: 115 MB
% 2.54/0.84 % (3445091)Instructions burned: 8 (million)
% 2.54/0.84 % (3445091)------------------------------
% 2.54/0.84 % (3445091)------------------------------
% 2.54/0.84 % (3445001)Success in time 0.318 s
% 2.54/0.84 % Vampire exiting
%------------------------------------------------------------------------------