%------------------------------------------------------------------------------
% File : Vampire---5.0.1
% Problem : NUM904_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 : n013.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 12:17:24 PM UTC 2026
% Result : Theorem 5.34s 1.70s
% Output : Refutation 5.34s
% Verified :
% SZS Type : Refutation
% Derivation depth : 6
% Number of leaves : 2
% Syntax : Number of formulae : 8 ( 8 unt; 0 typ; 0 def)
% Number of atoms : 8 ( 7 equ)
% Maximal formula atoms : 1 ( 1 avg)
% Number of connectives : 5 ( 5 ~; 0 |; 0 &)
% ( 0 <=>; 0 =>; 0 <=; 0 <~>)
% Maximal formula depth : 3 ( 2 avg)
% Maximal term depth : 3 ( 2 avg)
% Number arithmetic : 24 ( 0 atm; 12 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 : 4 ( 1 usr; 2 con; 0-2 aty)
% Number of variables : 4 ( 3 !; 1 ?; 4 :)
% Comments :
%------------------------------------------------------------------------------
tff(func_def_4,type,
sK0: $rat ).
tff(f1,conjecture,
! [X0: $rat] : ( $sum(X0,$uminus(X0)) = 0/1 ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',rat_uminus_problem_8) ).
tff(f2,negated_conjecture,
~ ! [X0: $rat] : ( $sum(X0,$uminus(X0)) = 0/1 ),
inference(negated_conjecture,[status(cth)],[f1]) ).
tff(f7,plain,
! [X0: $rat] : ( $sum(X0,$uminus(X0)) = 0/1 ),
introduced(definition,[],[tha_inverse_op_unit]) ).
tff(f14,plain,
? [X0: $rat] : ( $sum(X0,$uminus(X0)) != 0/1 ),
inference(ennf_transformation,[],[f2]) ).
tff(f15,plain,
0/1 != $sum(sK0,$uminus(sK0)),
inference(skolemize,[status(esa),new_symbols(skolem,[sK0]),skolemize(X0,sK0)],[f14]) ).
tff(f16,plain,
0/1 != $sum(sK0,$uminus(sK0)),
inference(cnf_transformation,[],[f15]) ).
tff(f33,plain,
0/1 != 0/1,
inference(superposition,[],[f16,f7]) ).
tff(f39,plain,
$false,
inference(trivial_inequality_removal,[],[f33]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.04 % Problem : NUM904_1 : TPTP v9.3.1. Released v5.0.0.
% 0.00/0.08 % Command : run_vampire /export/starexec/sandbox2/benchmark/theBenchmark.p 300 THM
% 0.17/0.45 % Computer : n013.cluster.edu
% 0.17/0.45 % Model : x86_64 x86_64
% 0.17/0.45 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.17/0.45 % Memory : 8046.5625MB
% 0.17/0.45 % OS : Linux 6.8.0-71-generic
% 0.17/0.45 % CPULimit : 300
% 0.17/0.45 % WCLimit : 300
% 0.17/0.45 % DateTime : Sun Sep 27 21:38:22 UTC 2026
% 0.17/0.46 % CPUTime :
% 0.17/0.46 Running run_vampire /export/starexec/sandbox2/benchmark/theBenchmark.p 300 THM
% 0.22/0.51 Running first-order theorem proving
% 0.22/0.51 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
% 5.34/1.70 % (576265)Detected arithmetic, will pick strategies from an ALASCA-aware ARI schedule.
% 5.34/1.70 % (576277)dis+21_64_to=kbo:sil=128000:si=on:sp=weighted_frequency:uwa=alasca_can_abstract:random_seed=3176585758:i=4:rtra=on_3000 on theBenchmark for (3000ds/4Mi)
% 5.34/1.70 % (576277)Instruction limit reached!
% 5.34/1.70 % (576277)------------------------------
% 5.34/1.70 % (576277)Version: Vampire 5.0.1 (Release build, commit ea8961452 on 2026-07-16 15:14:34 +0200)
% 5.34/1.70 % (576277)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 5.34/1.70 % (576277)CaDiCaL version: 2.1.3
% 5.34/1.70 % (576277)Termination reason: Instruction limit
% 5.34/1.70 % (576277)Termination phase: Saturation
% 5.34/1.70 % (576277)Time elapsed: 0.003 s
% 5.34/1.70 % (576277)Peak memory usage: 89 MB
% 5.34/1.70 % (576277)Instructions burned: 7 (million)
% 5.34/1.70 % (576273)dis+1002_16:1_to=lpo:sil=64000:sas=z3:si=on:norm_ineq=on:gve=force:uwa=one_side_constant:random_seed=2025166383:i=12:doe=on:rtra=on:gtg=exists_top:ss=axioms_3000 on theBenchmark for (3000ds/12Mi)
% 5.34/1.70 % (576279)lrs+10_1_tgt=ground:sas=z3:si=on:random_seed=3927773678:i=33:rtra=on_3000 on theBenchmark for (3000ds/33Mi)
% 5.34/1.70 % (576274)dis+1002_1_to=kbo:sil=128000:tgt=ground:sas=z3:si=on:spb=units:tha=off:random_seed=580547326:i=307:kws=precedence:nm=0:rtra=on_3000 on theBenchmark for (3000ds/307Mi)
% 5.34/1.70 % (576278)lrs+10_1_to=lpo:sas=z3:si=on:tha=off:random_seed=3272146735:i=46:rtra=on_3000 on theBenchmark for (3000ds/46Mi)
% 5.34/1.70 % (576276)lrs+1002_4:1_to=lpo:sil=64000:si=on:br=off:random_seed=1061202336:s2a=on:i=7:rtra=on:inst=on_3000 on theBenchmark for (3000ds/7Mi)
% 5.34/1.70 % (576275)dis+10_3_slsqr=1,4:to=lpo:sil=128000:thi=strong:si=on:uwa=off:s2agt=20:slsqc=1:slsq=on:random_seed=2678485338:i=201:slsql=off:asg=cautious:rtra=on:gtg=all:ss=axioms:sgt=16_3000 on theBenchmark for (3000ds/201Mi)
% 5.34/1.70 % (576276)First to succeed.
% 5.34/1.70 % (576276)Solution written to "/export/starexec/sandbox2/tmp/vampire-proof-576265"
% 5.34/1.70 % (576282)dis+11_3_anc=none:drc=ordering:si=on:urr=ec_only:bce=on:tha=off:sac=on:random_seed=1222984270:st=5:i=14:sd=10:rtra=on:ss=axioms:rawr=on_2998 on theBenchmark for (2998ds/14Mi)
% 5.34/1.70 % (576273)Also succeeded, but the first one will report.
% 5.34/1.70 % (576282)Refutation not found, incomplete strategy
% 5.34/1.70 % (576282)------------------------------
% 5.34/1.70 % (576282)Version: Vampire 5.0.1 (Release build, commit ea8961452 on 2026-07-16 15:14:34 +0200)
% 5.34/1.70 % (576282)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 5.34/1.70 % (576282)CaDiCaL version: 2.1.3
% 5.34/1.70 % (576282)Termination reason: Refutation not found, incomplete strategy
% 5.34/1.70 % (576282)Time elapsed: 0.001 s
% 5.34/1.70 % (576282)Peak memory usage: 89 MB
% 5.34/1.70 % (576275)Also succeeded, but the first one will report.
% 5.34/1.70 % (576278)Also succeeded, but the first one will report.
% 5.34/1.70 % (576274)Also succeeded, but the first one will report.
% 5.34/1.70 % (576279)Also succeeded, but the first one will report.
% 5.34/1.70 % (576282)------------------------------
% 5.34/1.70 % (576282)------------------------------
% 5.34/1.70 % (576276)Refutation found. Thanks to Tanya!
% 5.34/1.70 % SZS status Theorem for theBenchmark
% 5.34/1.70 % SZS output start Proof for theBenchmark
% See solution above
% 5.34/1.70 % (576276)------------------------------
% 5.34/1.70 % (576276)Version: Vampire 5.0.1 (Release build, commit ea8961452 on 2026-07-16 15:14:34 +0200)
% 5.34/1.70 % (576276)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 5.34/1.70 % (576276)CaDiCaL version: 2.1.3
% 5.34/1.70 % (576276)Termination reason: Refutation
% 5.34/1.70 % (576276)Time elapsed: 0.003 s
% 5.34/1.70 % (576276)Peak memory usage: 89 MB
% 5.34/1.70 % (576276)Instructions burned: 1 (million)
% 5.34/1.70 % (576276)------------------------------
% 5.34/1.70 % (576276)------------------------------
% 5.34/1.70 % (576265)Success in time 0.687 s
% 5.34/1.70 % Vampire exiting
%------------------------------------------------------------------------------