%------------------------------------------------------------------------------
% File : Vampire---5.0.1
% Problem : ARI457_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 : n020.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 09:33:11 AM UTC 2026
% Result : Theorem 4.20s 1.66s
% Output : Refutation 4.20s
% 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 : 3 ( 2 avg)
% Maximal term depth : 2 ( 1 avg)
% Number arithmetic : 16 ( 0 atm; 4 fun; 8 num; 4 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 : 2 ( 0 usr; 1 prp; 0-2 aty)
% Number of functors : 3 ( 0 usr; 2 con; 0-2 aty)
% Number of variables : 4 ( 2 !; 2 ?; 4 :)
% Comments :
%------------------------------------------------------------------------------
tff(f1,conjecture,
? [X0: $real] : ( $product(X0,-2/25) = -57/50 ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',real_product_problem_22) ).
tff(f2,negated_conjecture,
~ ? [X0: $real] : ( $product(X0,-2/25) = -57/50 ),
inference(negated_conjecture,[status(cth)],[f1]) ).
tff(f20,plain,
! [X0: $real] : ( $product(X0,-2/25) != -57/50 ),
inference(ennf_transformation,[],[f2]) ).
tff(f21,plain,
! [X0: $real] : ( $product(X0,-2/25) != -57/50 ),
inference(cnf_transformation,[],[f20]) ).
tff(f22,plain,
$false,
inference(gaussian_variable_elimination,[],[f21]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.04 % Problem : ARI457_1 : TPTP v9.3.1. Released v5.0.0.
% 0.00/0.07 % Command : run_vampire /export/starexec/sandbox2/benchmark/theBenchmark.p 300 THM
% 0.10/0.25 % Computer : n020.cluster.edu
% 0.10/0.25 % Model : x86_64 x86_64
% 0.10/0.25 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.10/0.25 % Memory : 8046.5625MB
% 0.10/0.25 % OS : Linux 6.8.0-71-generic
% 0.10/0.25 % CPULimit : 300
% 0.10/0.26 % WCLimit : 300
% 0.10/0.26 % DateTime : Mon Sep 28 20:51:34 UTC 2026
% 0.10/0.26 % CPUTime :
% 0.10/0.26 Running run_vampire /export/starexec/sandbox2/benchmark/theBenchmark.p 300 THM
% 0.25/0.31 Running first-order theorem proving
% 0.25/0.31 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
% 4.20/1.66 % (536361)Detected arithmetic, will pick strategies from an ALASCA-aware ARI schedule.
% 4.20/1.66 % (536366)dis+1002_16:1_to=lpo:sil=64000:sas=z3:si=on:norm_ineq=on:gve=force:uwa=one_side_constant:random_seed=823658685:i=12:doe=on:rtra=on:gtg=exists_top:ss=axioms_2999 on theBenchmark for (2999ds/12Mi)
% 4.20/1.66 % (536366)First to succeed.
% 4.20/1.66 % (536366)Solution written to "/export/starexec/sandbox2/tmp/vampire-proof-536361"
% 4.20/1.66 % (536372)lrs+10_1_tgt=ground:sas=z3:si=on:random_seed=834447464:i=33:rtra=on_2999 on theBenchmark for (2999ds/33Mi)
% 4.20/1.66 % (536369)lrs+1002_4:1_to=lpo:sil=64000:si=on:br=off:random_seed=3968695494:s2a=on:i=7:rtra=on:inst=on_2999 on theBenchmark for (2999ds/7Mi)
% 4.20/1.66 % (536370)dis+21_64_to=kbo:sil=128000:si=on:sp=weighted_frequency:uwa=alasca_can_abstract:random_seed=2500575586:i=4:rtra=on_2999 on theBenchmark for (2999ds/4Mi)
% 4.20/1.66 % (536371)lrs+10_1_to=lpo:sas=z3:si=on:tha=off:random_seed=3799360359:i=46:rtra=on_2999 on theBenchmark for (2999ds/46Mi)
% 4.20/1.66 % (536367)dis+1002_1_to=kbo:sil=128000:tgt=ground:sas=z3:si=on:spb=units:tha=off:random_seed=4162140905:i=307:kws=precedence:nm=0:rtra=on_2999 on theBenchmark for (2999ds/307Mi)
% 4.20/1.66 % (536368)dis+10_3_slsqr=1,4:to=lpo:sil=128000:thi=strong:si=on:uwa=off:s2agt=20:slsqc=1:slsq=on:random_seed=1253865807:i=201:slsql=off:asg=cautious:rtra=on:gtg=all:ss=axioms:sgt=16_2999 on theBenchmark for (2999ds/201Mi)
% 4.20/1.66 % (536370)Instruction limit reached!
% 4.20/1.66 % (536370)------------------------------
% 4.20/1.66 % (536370)Version: Vampire 5.0.1 (Release build, commit ea8961452 on 2026-07-16 15:14:34 +0200)
% 4.20/1.66 % (536370)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 4.20/1.66 % (536370)CaDiCaL version: 2.1.3
% 4.20/1.66 % (536370)Termination reason: Instruction limit
% 4.20/1.66 % (536370)Termination phase: Saturation
% 4.20/1.66 % (536370)Time elapsed: 0.005 s
% 4.20/1.66 % (536370)Peak memory usage: 89 MB
% 4.20/1.66 % (536370)Instructions burned: 4 (million)
% 4.20/1.66 % (536369)Instruction limit reached!
% 4.20/1.66 % (536369)------------------------------
% 4.20/1.66 % (536369)Version: Vampire 5.0.1 (Release build, commit ea8961452 on 2026-07-16 15:14:34 +0200)
% 4.20/1.66 % (536369)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 4.20/1.66 % (536369)CaDiCaL version: 2.1.3
% 4.20/1.66 % (536369)Termination reason: Instruction limit
% 4.20/1.66 % (536369)Termination phase: Saturation
% 4.20/1.66 % (536369)Time elapsed: 0.007 s
% 4.20/1.66 % (536369)Peak memory usage: 88 MB
% 4.20/1.66 % (536369)Instructions burned: 7 (million)
% 4.20/1.66 % (536372)Instruction limit reached!
% 4.20/1.66 % (536372)------------------------------
% 4.20/1.66 % (536372)Version: Vampire 5.0.1 (Release build, commit ea8961452 on 2026-07-16 15:14:34 +0200)
% 4.20/1.66 % (536372)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 4.20/1.66 % (536372)CaDiCaL version: 2.1.3
% 4.20/1.66 % (536372)Termination reason: Instruction limit
% 4.20/1.66 % (536372)Termination phase: Saturation
% 4.20/1.66 % (536372)Time elapsed: 0.063 s
% 4.20/1.66 % (536372)Peak memory usage: 112 MB
% 4.20/1.66 % (536372)Instructions burned: 33 (million)
% 4.20/1.66 % (536371)Refutation not found, incomplete strategy
% 4.20/1.66 % (536371)------------------------------
% 4.20/1.66 % (536371)Version: Vampire 5.0.1 (Release build, commit ea8961452 on 2026-07-16 15:14:34 +0200)
% 4.20/1.66 % (536371)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 4.20/1.66 % (536371)CaDiCaL version: 2.1.3
% 4.20/1.66 % (536371)Termination reason: Refutation not found, incomplete strategy
% 4.20/1.66 % (536371)Time elapsed: 0.038 s
% 4.20/1.66 % (536367)Refutation not found, incomplete strategy
% 4.20/1.66 % (536367)------------------------------
% 4.20/1.66 % (536367)Version: Vampire 5.0.1 (Release build, commit ea8961452 on 2026-07-16 15:14:34 +0200)
% 4.20/1.66 % (536371)Peak memory usage: 111 MB
% 4.20/1.66 % (536367)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 4.20/1.66 % (536371)Instructions burned: 5 (million)
% 4.20/1.66 % (536367)CaDiCaL version: 2.1.3
% 4.20/1.66 % (536367)Termination reason: Refutation not found, incomplete strategy
% 4.20/1.66 % (536367)Time elapsed: 0.038 s
% 4.20/1.66 % (536367)Peak memory usage: 112 MB
% 4.20/1.66 % (536367)Instructions burned: 5 (million)
% 4.20/1.66 % (536368)Also succeeded, but the first one will report.
% 4.20/1.66 % (536366)Refutation found. Thanks to Tanya!
% 4.20/1.66 % SZS status Theorem for theBenchmark
% 4.20/1.66 % SZS output start Proof for theBenchmark
% See solution above
% 4.20/1.66 % (536366)------------------------------
% 4.20/1.66 % (536366)Version: Vampire 5.0.1 (Release build, commit ea8961452 on 2026-07-16 15:14:34 +0200)
% 4.20/1.66 % (536366)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 4.20/1.66 % (536366)CaDiCaL version: 2.1.3
% 4.20/1.66 % (536366)Termination reason: Refutation
% 4.20/1.66 % (536366)Time elapsed: 0.023 s
% 4.20/1.66 % (536366)Peak memory usage: 112 MB
% 4.20/1.66 % (536366)Instructions burned: 5 (million)
% 4.20/1.66 % (536366)------------------------------
% 4.20/1.66 % (536366)------------------------------
% 4.20/1.66 % (536361)Success in time 0.461 s
% 4.20/1.66 % Vampire exiting
%------------------------------------------------------------------------------