%------------------------------------------------------------------------------
% File : Vampire---5.0.1
% Problem : ARI090_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 : n019.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 09:32:30 AM UTC 2026
% Result : Theorem 2.65s 1.15s
% Output : Refutation 2.65s
% Verified :
% SZS Type : Refutation
% Derivation depth : 7
% Number of leaves : 1
% Syntax : Number of formulae : 9 ( 4 unt; 0 typ; 0 def)
% Number of atoms : 14 ( 13 equ)
% Maximal formula atoms : 2 ( 1 avg)
% Number of connectives : 10 ( 5 ~; 0 |; 2 &)
% ( 0 <=>; 3 =>; 0 <=; 0 <~>)
% Maximal formula depth : 4 ( 3 avg)
% Maximal term depth : 3 ( 1 avg)
% Number arithmetic : 33 ( 0 atm; 10 fun; 19 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 : 7 ( 1 usr; 4 con; 0-2 aty)
% Number of variables : 4 ( 3 !; 1 ?; 4 :)
% Comments :
%------------------------------------------------------------------------------
tff(func_def_8,type,
sK0: $int ).
tff(f1,conjecture,
! [X0: $int] :
( ( $difference(5,3) = X0 )
=> ( X0 = 2 ) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',diff_5_3_only_2) ).
tff(f2,negated_conjecture,
~ ! [X0: $int] :
( ( $difference(5,3) = X0 )
=> ( X0 = 2 ) ),
inference(negated_conjecture,[status(cth)],[f1]) ).
tff(f3,plain,
~ ! [X0: $int] :
( ( $sum(5,$uminus(3)) = X0 )
=> ( X0 = 2 ) ),
inference(theory_normalization,[],[f2]) ).
tff(f16,plain,
? [X0: $int] :
( ( $sum(5,$uminus(3)) = X0 )
& ( 2 != X0 ) ),
inference(ennf_transformation,[],[f3]) ).
tff(f17,plain,
( ( sK0 = $sum(5,$uminus(3)) )
& ( 2 != sK0 ) ),
inference(skolemize,[status(esa),new_symbols(skolem,[sK0]),skolemize(X0,sK0)],[f16]) ).
tff(f18,plain,
2 != sK0,
inference(cnf_transformation,[],[f17]) ).
tff(f19,plain,
sK0 = $sum(5,$uminus(3)),
inference(cnf_transformation,[],[f17]) ).
tff(f20,plain,
2 = sK0,
inference(evaluation,[],[f19]) ).
tff(f21,plain,
$false,
inference(forward_subsumption_resolution,[],[f18,f20]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : ARI090_1 : TPTP v9.3.1. Released v5.0.0.
% 0.00/0.06 % Command : run_vampire /export/starexec/sandbox2/benchmark/theBenchmark.p 300 THM
% 0.09/0.19 % Computer : n019.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 20:42:33 UTC 2026
% 0.09/0.19 % CPUTime :
% 0.09/0.19 Running run_vampire /export/starexec/sandbox2/benchmark/theBenchmark.p 300 THM
% 0.09/0.23 Running first-order theorem proving
% 0.09/0.23 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
% 2.65/1.15 % (209093)Detected arithmetic, will pick strategies from an ALASCA-aware ARI schedule.
% 2.65/1.15 % (209185)lrs+1002_4:1_to=lpo:sil=64000:si=on:br=off:random_seed=3112620045:s2a=on:i=7:rtra=on:inst=on_2999 on theBenchmark for (2999ds/7Mi)
% 2.65/1.15 % (209185)First to succeed.
% 2.65/1.15 % (209185)Solution written to "/export/starexec/sandbox2/tmp/vampire-proof-209093"
% 2.65/1.15 % (209184)dis+10_3_slsqr=1,4:to=lpo:sil=128000:thi=strong:si=on:uwa=off:s2agt=20:slsqc=1:slsq=on:random_seed=897794795:i=201:slsql=off:asg=cautious:rtra=on:gtg=all:ss=axioms:sgt=16_2999 on theBenchmark for (2999ds/201Mi)
% 2.65/1.15 % (209182)dis+1002_16:1_to=lpo:sil=64000:sas=z3:si=on:norm_ineq=on:gve=force:uwa=one_side_constant:random_seed=2338912827:i=12:doe=on:rtra=on:gtg=exists_top:ss=axioms_2999 on theBenchmark for (2999ds/12Mi)
% 2.65/1.15 % (209183)dis+1002_1_to=kbo:sil=128000:tgt=ground:sas=z3:si=on:spb=units:tha=off:random_seed=2212250100:i=307:kws=precedence:nm=0:rtra=on_2999 on theBenchmark for (2999ds/307Mi)
% 2.65/1.15 % (209188)lrs+10_1_tgt=ground:sas=z3:si=on:random_seed=202587182:i=33:rtra=on_2999 on theBenchmark for (2999ds/33Mi)
% 2.65/1.15 % (209187)lrs+10_1_to=lpo:sas=z3:si=on:tha=off:random_seed=186185095:i=46:rtra=on_2999 on theBenchmark for (2999ds/46Mi)
% 2.65/1.15 % (209184)Also succeeded, but the first one will report.
% 2.65/1.15 % (209182)Also succeeded, but the first one will report.
% 2.65/1.15 % (209183)Also succeeded, but the first one will report.
% 2.65/1.15 % (209187)Also succeeded, but the first one will report.
% 2.65/1.15 % (209188)Also succeeded, but the first one will report.
% 2.65/1.15 % (209186)dis+21_64_to=kbo:sil=128000:si=on:sp=weighted_frequency:uwa=alasca_can_abstract:random_seed=2397275296:i=4:rtra=on_2999 on theBenchmark for (2999ds/4Mi)
% 2.65/1.15 % (209186)Also succeeded, but the first one will report.
% 2.65/1.15 % (209185)Refutation found. Thanks to Tanya!
% 2.65/1.15 % SZS status Theorem for theBenchmark
% 2.65/1.15 % SZS output start Proof for theBenchmark
% See solution above
% 2.65/1.15 % (209185)------------------------------
% 2.65/1.15 % (209185)Version: Vampire 5.0.1 (Release build, commit ea8961452 on 2026-07-16 15:14:34 +0200)
% 2.65/1.15 % (209185)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 2.65/1.15 % (209185)CaDiCaL version: 2.1.3
% 2.65/1.15 % (209185)Termination reason: Refutation
% 2.65/1.15 % (209185)Time elapsed: 0.001 s
% 2.65/1.15 % (209185)Peak memory usage: 89 MB
% 2.65/1.15 % (209185)Instructions burned: 1 (million)
% 2.65/1.15 % (209185)------------------------------
% 2.65/1.15 % (209185)------------------------------
% 2.65/1.15 % (209093)Success in time 0.305 s
% 2.65/1.15 % Vampire exiting
%------------------------------------------------------------------------------