%------------------------------------------------------------------------------
% File : Vampire---5.0.1
% Problem : NUM912_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 : n011.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 12:17:25 PM UTC 2026
% Result : Theorem 2.65s 1.40s
% Output : Refutation 2.65s
% Verified :
% SZS Type : Refutation
% Derivation depth : 7
% Number of leaves : 3
% Syntax : Number of formulae : 12 ( 1 unt; 0 typ; 2 def)
% Number of atoms : 27 ( 20 equ)
% Maximal formula atoms : 4 ( 2 avg)
% Number of connectives : 24 ( 9 ~; 8 |; 2 &)
% ( 4 <=>; 0 =>; 0 <=; 1 <~>)
% Maximal formula depth : 5 ( 3 avg)
% Maximal term depth : 2 ( 1 avg)
% Number arithmetic : 24 ( 0 atm; 10 fun; 10 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 : 4 ( 2 usr; 3 prp; 0-2 aty)
% Number of functors : 3 ( 1 usr; 2 con; 0-1 aty)
% Number of variables : 4 ( 2 !; 2 ?; 4 :)
% Comments :
%------------------------------------------------------------------------------
tff(func_def_2,type,
sK0: $real ).
tff(f1,conjecture,
! [X0: $real] :
( ( X0 = $uminus(X0) )
<=> ( X0 = 0/1 ) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',real_uminus_problem_9) ).
tff(f2,negated_conjecture,
~ ! [X0: $real] :
( ( X0 = $uminus(X0) )
<=> ( X0 = 0/1 ) ),
inference(negated_conjecture,[status(cth)],[f1]) ).
tff(f3,plain,
? [X0: $real] :
( ( X0 = 0/1 )
<~> ( X0 = $uminus(X0) ) ),
inference(ennf_transformation,[],[f2]) ).
tff(f4,plain,
? [X0: $real] :
( ( ( $uminus(X0) != X0 )
| ( 0/1 != X0 ) )
& ( ( X0 = $uminus(X0) )
| ( X0 = 0/1 ) ) ),
inference(nnf_transformation,[],[f3]) ).
tff(f5,plain,
( ( ( $uminus(sK0) != sK0 )
| ( 0/1 != sK0 ) )
& ( ( $uminus(sK0) = sK0 )
| ( 0/1 = sK0 ) ) ),
inference(skolemize,[status(esa),new_symbols(skolem,[sK0]),skolemize(X0,sK0)],[f4]) ).
tff(f6,plain,
( ( 0/1 = sK0 )
| ( $uminus(sK0) = sK0 ) ),
inference(cnf_transformation,[],[f5]) ).
tff(f7,plain,
( ( $uminus(sK0) != sK0 )
| ( 0/1 != sK0 ) ),
inference(cnf_transformation,[],[f5]) ).
tff(f9,definition,
( spl1_1
<=> ( 0/1 = sK0 ) ),
introduced(definition,[new_symbols(definition,[spl1_1])],[avatar_definition]) ).
tff(f13,definition,
( spl1_2
<=> ( $uminus(sK0) = sK0 ) ),
introduced(definition,[new_symbols(definition,[spl1_2])],[avatar_definition]) ).
tff(f16,plain,
( spl1_1
| spl1_2 ),
inference(avatar_split_clause,[],[f6,f13,f9]) ).
tff(f17,plain,
( ~ spl1_1
| ~ spl1_2 ),
inference(avatar_split_clause,[],[f7,f13,f9]) ).
tff(f18,plain,
$false,
inference(avatar_smt_refutation,[],[f17,f16]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : NUM912_1 : TPTP v9.3.1. Released v5.0.0.
% 0.00/0.05 % Command : run_vampire /export/starexec/sandbox2/benchmark/theBenchmark.p 300 THM
% 0.12/0.38 % Computer : n011.cluster.edu
% 0.12/0.38 % Model : x86_64 x86_64
% 0.12/0.38 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.38 % Memory : 8046.5625MB
% 0.12/0.38 % OS : Linux 6.8.0-71-generic
% 0.12/0.38 % CPULimit : 300
% 0.12/0.38 % WCLimit : 300
% 0.12/0.38 % DateTime : Sun Sep 27 21:39:31 UTC 2026
% 0.12/0.39 % CPUTime :
% 0.12/0.39 Running run_vampire /export/starexec/sandbox2/benchmark/theBenchmark.p 300 THM
% 0.12/0.44 Running first-order theorem proving
% 0.12/0.44 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
% 2.65/1.39 % (2781734)Detected arithmetic, will pick strategies from an ALASCA-aware ARI schedule.
% 2.65/1.39 % (2781746)lrs+10_1_to=lpo:sas=z3:si=on:tha=off:random_seed=275104497:i=46:rtra=on_3000 on theBenchmark for (3000ds/46Mi)
% 2.65/1.39 % (2781746)First to succeed.
% 2.65/1.39 % (2781746)Solution written to "/export/starexec/sandbox2/tmp/vampire-proof-2781734"
% 2.65/1.39 % (2781744)lrs+1002_4:1_to=lpo:sil=64000:si=on:br=off:random_seed=1659503530:s2a=on:i=7:rtra=on:inst=on_3000 on theBenchmark for (3000ds/7Mi)
% 2.65/1.39 % (2781743)dis+10_3_slsqr=1,4:to=lpo:sil=128000:thi=strong:si=on:uwa=off:s2agt=20:slsqc=1:slsq=on:random_seed=2628763366:i=201:slsql=off:asg=cautious:rtra=on:gtg=all:ss=axioms:sgt=16_3000 on theBenchmark for (3000ds/201Mi)
% 2.65/1.39 % (2781741)dis+1002_16:1_to=lpo:sil=64000:sas=z3:si=on:norm_ineq=on:gve=force:uwa=one_side_constant:random_seed=3791694459:i=12:doe=on:rtra=on:gtg=exists_top:ss=axioms_3000 on theBenchmark for (3000ds/12Mi)
% 2.65/1.39 % (2781742)dis+1002_1_to=kbo:sil=128000:tgt=ground:sas=z3:si=on:spb=units:tha=off:random_seed=308785806:i=307:kws=precedence:nm=0:rtra=on_3000 on theBenchmark for (3000ds/307Mi)
% 2.65/1.40 % (2781744)Instruction limit reached!
% 2.65/1.40 % (2781744)------------------------------
% 2.65/1.40 % (2781744)Version: Vampire 5.0.1 (Release build, commit ea8961452 on 2026-07-16 15:14:34 +0200)
% 2.65/1.40 % (2781744)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 2.65/1.40 % (2781744)CaDiCaL version: 2.1.3
% 2.65/1.40 % (2781744)Termination reason: Instruction limit
% 2.65/1.40 % (2781744)Termination phase: Saturation
% 2.65/1.40 % (2781744)Time elapsed: 0.006 s
% 2.65/1.40 % (2781744)Peak memory usage: 89 MB
% 2.65/1.40 % (2781744)Instructions burned: 8 (million)
% 2.65/1.40 % (2781745)dis+21_64_to=kbo:sil=128000:si=on:sp=weighted_frequency:uwa=alasca_can_abstract:random_seed=1160155030:i=4:rtra=on_3000 on theBenchmark for (3000ds/4Mi)
% 2.65/1.40 % (2781745)Instruction limit reached!
% 2.65/1.40 % (2781745)------------------------------
% 2.65/1.40 % (2781745)Version: Vampire 5.0.1 (Release build, commit ea8961452 on 2026-07-16 15:14:34 +0200)
% 2.65/1.40 % (2781745)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 2.65/1.40 % (2781745)CaDiCaL version: 2.1.3
% 2.65/1.40 % (2781745)Termination reason: Instruction limit
% 2.65/1.40 % (2781745)Termination phase: Saturation
% 2.65/1.40 % (2781745)Time elapsed: 0.004 s
% 2.65/1.40 % (2781745)Peak memory usage: 89 MB
% 2.65/1.40 % (2781745)Instructions burned: 5 (million)
% 2.65/1.40 % (2781747)lrs+10_1_tgt=ground:sas=z3:si=on:random_seed=781831290:i=33:rtra=on_3000 on theBenchmark for (3000ds/33Mi)
% 2.65/1.40 % (2781741)Also succeeded, but the first one will report.
% 2.65/1.40 % (2781742)Also succeeded, but the first one will report.
% 2.65/1.40 % (2781747)Also succeeded, but the first one will report.
% 2.65/1.40 % (2781743)Instruction limit reached!
% 2.65/1.40 % (2781743)------------------------------
% 2.65/1.40 % (2781743)Version: Vampire 5.0.1 (Release build, commit ea8961452 on 2026-07-16 15:14:34 +0200)
% 2.65/1.40 % (2781743)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 2.65/1.40 % (2781743)CaDiCaL version: 2.1.3
% 2.65/1.40 % (2781743)Termination reason: Instruction limit
% 2.65/1.40 % (2781743)Termination phase: Saturation
% 2.65/1.40 % (2781743)Time elapsed: 0.123 s
% 2.65/1.40 % (2781743)Peak memory usage: 116 MB
% 2.65/1.40 % (2781743)Instructions burned: 201 (million)
% 2.65/1.40 % (2781797)dis+11_3_anc=none:drc=ordering:si=on:urr=ec_only:bce=on:tha=off:sac=on:random_seed=3447590547:st=5:i=14:sd=10:rtra=on:ss=axioms:rawr=on_2998 on theBenchmark for (2998ds/14Mi)
% 2.65/1.40 % (2781797)Refutation not found, incomplete strategy
% 2.65/1.40 % (2781797)------------------------------
% 2.65/1.40 % (2781797)Version: Vampire 5.0.1 (Release build, commit ea8961452 on 2026-07-16 15:14:34 +0200)
% 2.65/1.40 % (2781797)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 2.65/1.40 % (2781797)CaDiCaL version: 2.1.3
% 2.65/1.40 % (2781797)Termination reason: Refutation not found, incomplete strategy
% 2.65/1.40 % (2781797)Time elapsed: 0.001 s
% 2.65/1.40 % (2781797)Peak memory usage: 89 MB
% 2.65/1.40 % (2781746)Refutation found. Thanks to Tanya!
% 2.65/1.40 % SZS status Theorem for theBenchmark
% 2.65/1.40 % SZS output start Proof for theBenchmark
% See solution above
% 2.65/1.40 % (2781746)------------------------------
% 2.65/1.40 % (2781746)Version: Vampire 5.0.1 (Release build, commit ea8961452 on 2026-07-16 15:14:34 +0200)
% 2.65/1.40 % (2781746)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 2.65/1.40 % (2781746)CaDiCaL version: 2.1.3
% 2.65/1.40 % (2781746)Termination reason: Refutation
% 2.65/1.40 % (2781746)Time elapsed: 0.018 s
% 2.65/1.40 % (2781746)Peak memory usage: 115 MB
% 2.65/1.40 % (2781746)Instructions burned: 7 (million)
% 2.65/1.40 % (2781746)------------------------------
% 2.65/1.40 % (2781746)------------------------------
% 2.65/1.40 % (2781734)Success in time 0.282 s
% 2.65/1.40 % Vampire exiting
%------------------------------------------------------------------------------