%------------------------------------------------------------------------------
% File : Vampire---5.0.1
% Problem : ARI277_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 : n002.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 09:32:51 AM UTC 2026
% Result : Theorem 2.56s 1.06s
% Output : Refutation 2.56s
% Verified :
% SZS Type : Refutation
% Derivation depth : 5
% Number of leaves : 1
% Syntax : Number of formulae : 6 ( 6 unt; 0 typ; 0 def)
% Number of atoms : 6 ( 5 equ)
% Maximal formula atoms : 1 ( 1 avg)
% Number of connectives : 4 ( 4 ~; 0 |; 0 &)
% ( 0 <=>; 0 =>; 0 <=; 0 <~>)
% Maximal formula depth : 2 ( 1 avg)
% Maximal term depth : 3 ( 1 avg)
% Number of FOOLs : 2 ( 2 fml; 0 var)
% Number arithmetic : 23 ( 0 atm; 8 fun; 15 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 : 6 ( 0 usr; 3 con; 0-2 aty)
% Number of variables : 0 ( 0 !; 0 ?; 0 :)
% Comments :
%------------------------------------------------------------------------------
tff(f1,conjecture,
$difference(4/7,-3/7) = 1/1,
file('/export/starexec/sandbox/benchmark/theBenchmark.p',rat_difference_problem_5) ).
tff(f2,negated_conjecture,
( ( ~ $difference(4/7,-3/7) ) = 1/1 ),
inference(negated_conjecture,[status(cth)],[f1]) ).
tff(f3,plain,
( ( ~ 1/1 ) = $sum(4/7,$uminus(-3/7)) ),
inference(theory_normalization,[],[f2]) ).
tff(f15,plain,
1/1 != $sum(4/7,$uminus(-3/7)),
inference(flattening,[],[f3]) ).
tff(f16,plain,
1/1 != $sum(4/7,$uminus(-3/7)),
inference(cnf_transformation,[],[f15]) ).
tff(f17,plain,
$false,
inference(evaluation,[],[f16]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : ARI277_1 : TPTP v9.3.1. Released v5.0.0.
% 0.00/0.05 % Command : run_vampire /export/starexec/sandbox/benchmark/theBenchmark.p 300 THM
% 0.09/0.19 % Computer : n002.cluster.edu
% 0.09/0.19 % Model : x86_64 x86_64
% 0.09/0.19 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.09/0.19 % Memory : 8046.5625MB
% 0.09/0.19 % OS : Linux 6.8.0-71-generic
% 0.09/0.19 % CPULimit : 300
% 0.09/0.19 % WCLimit : 300
% 0.09/0.19 % DateTime : Mon Sep 28 20:48:37 UTC 2026
% 0.09/0.19 % CPUTime :
% 0.09/0.19 Running run_vampire /export/starexec/sandbox/benchmark/theBenchmark.p 300 THM
% 0.09/0.22 Running first-order theorem proving
% 0.09/0.22 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
% 2.56/1.06 % (733457)Detected arithmetic, will pick strategies from an ALASCA-aware ARI schedule.
% 2.56/1.06 % (733482)dis+21_64_to=kbo:sil=128000:si=on:sp=weighted_frequency:uwa=alasca_can_abstract:random_seed=157526085:i=4:rtra=on_3000 on theBenchmark for (3000ds/4Mi)
% 2.56/1.06 % (733482)First to succeed.
% 2.56/1.06 % (733482)Solution written to "/export/starexec/sandbox/tmp/vampire-proof-733457"
% 2.56/1.06 % (733481)lrs+1002_4:1_to=lpo:sil=64000:si=on:br=off:random_seed=3562684240:s2a=on:i=7:rtra=on:inst=on_3000 on theBenchmark for (3000ds/7Mi)
% 2.56/1.06 % (733479)dis+1002_1_to=kbo:sil=128000:tgt=ground:sas=z3:si=on:spb=units:tha=off:random_seed=2498878411:i=307:kws=precedence:nm=0:rtra=on_3000 on theBenchmark for (3000ds/307Mi)
% 2.56/1.06 % (733481)Also succeeded, but the first one will report.
% 2.56/1.06 % (733478)dis+1002_16:1_to=lpo:sil=64000:sas=z3:si=on:norm_ineq=on:gve=force:uwa=one_side_constant:random_seed=2763377423:i=12:doe=on:rtra=on:gtg=exists_top:ss=axioms_3000 on theBenchmark for (3000ds/12Mi)
% 2.56/1.06 % (733480)dis+10_3_slsqr=1,4:to=lpo:sil=128000:thi=strong:si=on:uwa=off:s2agt=20:slsqc=1:slsq=on:random_seed=916696746:i=201:slsql=off:asg=cautious:rtra=on:gtg=all:ss=axioms:sgt=16_3000 on theBenchmark for (3000ds/201Mi)
% 2.56/1.06 % (733484)lrs+10_1_tgt=ground:sas=z3:si=on:random_seed=539620292:i=33:rtra=on_3000 on theBenchmark for (3000ds/33Mi)
% 2.56/1.06 % (733479)Also succeeded, but the first one will report.
% 2.56/1.06 % (733478)Also succeeded, but the first one will report.
% 2.56/1.06 % (733480)Also succeeded, but the first one will report.
% 2.56/1.06 % (733484)Also succeeded, but the first one will report.
% 2.56/1.06 % (733483)lrs+10_1_to=lpo:sas=z3:si=on:tha=off:random_seed=646709393:i=46:rtra=on_3000 on theBenchmark for (3000ds/46Mi)
% 2.56/1.06 % (733483)Also succeeded, but the first one will report.
% 2.56/1.06 % (733482)Refutation found. Thanks to Tanya!
% 2.56/1.06 % SZS status Theorem for theBenchmark
% 2.56/1.06 % SZS output start Proof for theBenchmark
% See solution above
% 2.56/1.06 % (733482)------------------------------
% 2.56/1.06 % (733482)Version: Vampire 5.0.1 (Release build, commit ea8961452 on 2026-07-16 15:14:34 +0200)
% 2.56/1.06 % (733482)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 2.56/1.06 % (733482)CaDiCaL version: 2.1.3
% 2.56/1.06 % (733482)Termination reason: Refutation
% 2.56/1.06 % (733482)Time elapsed: 0.001 s
% 2.56/1.06 % (733482)Peak memory usage: 88 MB
% 2.56/1.06 % (733482)------------------------------
% 2.56/1.06 % (733482)------------------------------
% 2.56/1.06 % (733457)Success in time 0.27 s
% 2.56/1.06 % Vampire exiting
%------------------------------------------------------------------------------