%------------------------------------------------------------------------------
% File : Vampire---5.0.1
% Problem : CAT006-4 : TPTP v9.3.1. Released v1.0.0.
% Transfm : none
% Format : tptp:raw
% Command : run_vampire /export/starexec/sandbox2/benchmark/theBenchmark.p 300 THM
% Computer : n014.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 09:36:35 AM UTC 2026
% Result : Unsatisfiable 2.63s 1.23s
% Output : Refutation 2.63s
% Verified :
% SZS Type : Refutation
% Derivation depth : 8
% Number of leaves : 8
% Syntax : Number of formulae : 25 ( 13 unt; 1 def)
% Number of atoms : 37 ( 9 equ)
% Maximal formula atoms : 2 ( 1 avg)
% Number of connectives : 26 ( 14 ~; 11 |; 0 &)
% ( 1 <=>; 0 =>; 0 <=; 0 <~>)
% Maximal formula depth : 5 ( 2 avg)
% Maximal term depth : 3 ( 1 avg)
% Number of predicates : 4 ( 2 usr; 2 prp; 0-2 aty)
% Number of functors : 5 ( 5 usr; 2 con; 0-2 aty)
% Number of variables : 7 ( 0 sgn 7 !; 0 ?)
% Comments :
%------------------------------------------------------------------------------
fof(f4,axiom,
! [X0] :
( ~ there_exists(domain(X0))
| there_exists(X0) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',domain_has_elements) ).
fof(f6,axiom,
! [X0,X1] :
( ~ there_exists(compose(X0,X1))
| there_exists(domain(X0)) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',composition_implies_domain) ).
fof(f7,axiom,
! [X0,X1] :
( ~ there_exists(compose(X0,X1))
| domain(X0) = codomain(X1) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',domain_codomain_composition1) ).
fof(f10,axiom,
! [X0] : compose(X0,domain(X0)) = X0,
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',compose_domain) ).
fof(f12,axiom,
there_exists(compose(d,a)),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',da_exists) ).
fof(f14,axiom,
! [X0] :
( ~ there_exists(compose(d,X0))
| compose(d,X0) = X0 ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',dx_equals_x) ).
fof(f15,negated_conjecture,
codomain(a) != d,
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_codomain_of_a_is_d) ).
fof(f16,plain,
d != codomain(a),
inference(reorient_equations,[],[f15]) ).
fof(f17,plain,
there_exists(domain(d)),
inference(resolution,[],[f6,f12]) ).
fof(f26,definition,
( spl0_2
<=> there_exists(d) ),
introduced(definition,[new_symbols(definition,[spl0_2])],[avatar_definition]) ).
fof(f27,plain,
( there_exists(d)
| ~ spl0_2 ),
inference(avatar_component_clause,[],[f26]) ).
fof(f28,plain,
( ~ there_exists(d)
| spl0_2 ),
inference(avatar_component_clause,[],[f26]) ).
fof(f31,plain,
( ~ there_exists(d)
| d = domain(d) ),
inference(superposition,[],[f14,f10]) ).
fof(f32,plain,
there_exists(d),
inference(resolution,[],[f17,f4]) ).
fof(f33,plain,
( $false
| spl0_2 ),
inference(forward_subsumption_resolution,[],[f32,f28]) ).
fof(f34,plain,
spl0_2,
inference(avatar_contradiction_clause,[],[f33]) ).
fof(f35,plain,
( d = domain(d)
| ~ spl0_2 ),
inference(forward_subsumption_resolution,[],[f31,f27]) ).
fof(f36,plain,
codomain(a) = domain(d),
inference(resolution,[],[f7,f12]) ).
fof(f39,plain,
( d = codomain(a)
| ~ spl0_2 ),
inference(forward_demodulation,[],[f36,f35]) ).
fof(f40,plain,
( $false
| ~ spl0_2 ),
inference(forward_subsumption_resolution,[],[f39,f16]) ).
fof(f41,plain,
~ spl0_2,
inference(avatar_contradiction_clause,[],[f40]) ).
cnf(s2,plain,
spl0_2,
inference(sat_conversion,[],[f34]) ).
cnf(s3,plain,
~ spl0_2,
inference(sat_conversion,[],[f41]) ).
cnf(s4,plain,
$false,
inference(rat,[],[s2,s3]) ).
fof(f42,plain,
$false,
inference(avatar_sat_refutation,[],[s4]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.02 % Problem : CAT006-4 : TPTP v9.3.1. Released v1.0.0.
% 0.00/0.05 % Command : run_vampire /export/starexec/sandbox2/benchmark/theBenchmark.p 300 THM
% 0.08/0.18 % Computer : n014.cluster.edu
% 0.08/0.18 % Model : x86_64 x86_64
% 0.08/0.18 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.08/0.18 % Memory : 8046.5625MB
% 0.08/0.18 % OS : Linux 6.8.0-71-generic
% 0.08/0.18 % CPULimit : 300
% 0.08/0.18 % WCLimit : 300
% 0.08/0.18 % DateTime : Mon Sep 28 21:13:01 UTC 2026
% 0.08/0.19 % CPUTime :
% 0.08/0.19 Running run_vampire /export/starexec/sandbox2/benchmark/theBenchmark.p 300 THM
% 0.08/0.22 Running first-order theorem proving
% 0.08/0.22 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
% 2.63/1.23 % (2193058)Input is clausal, will run a generic CNF schedule.
% 2.63/1.23 % (2193084)lrs+10_1_sil=8000:sp=occurrence:random_seed=3133037733:i=107:sd=3:ss=axioms:sgt=8_2999 on theBenchmark for (2999ds/107Mi)
% 2.63/1.23 % (2193084)First to succeed.
% 2.63/1.23 % (2193084)Solution written to "/export/starexec/sandbox2/tmp/vampire-proof-2193058"
% 2.63/1.23 % (2193081)lrs+10_1_ncem=casc2026/models/loop8.pt:sil=128000:tgt=full:npcc=on:drc=off:sp=weighted_frequency:spb=goal:fd=preordered:foolp=on:random_seed=3006525431:i=140167_2999 on theBenchmark for (2999ds/140167Mi)
% 2.63/1.23 % (2193087)dis-21_1_sil=8000:lcm=predicate:random_seed=827232159:st=5:avsq=on:i=117:avsqr=1,16:sd=3:aac=none:ep=RS:fsr=off:ss=included_2999 on theBenchmark for (2999ds/117Mi)
% 2.63/1.23 % (2193085)dis-1002_1_to=lpo:sil=16000:fd=off:random_seed=573265442:st=1.5:i=114:aac=none:ins=7:ss=axioms:fsd=on_2999 on theBenchmark for (2999ds/114Mi)
% 2.63/1.23 % (2193083)lrs+1002_1_ncem=casc2026/models/loop8.pt:sil=128000:tgt=ground:npcc=on:sp=reverse_frequency:spb=intro:random_seed=3101080767:i=137899:s2at=10:gtgl=3:kws=precedence:add=on:bd=preordered:gtg=position_2999 on theBenchmark for (2999ds/137899Mi)
% 2.63/1.23 % (2193082)lrs+10_1_ncem=casc2026/models/loop8.pt:sil=128000:npcc=on:urr=on:br=off:random_seed=1268072395:i=132376:av=off_2999 on theBenchmark for (2999ds/132376Mi)
% 2.63/1.23 % (2193086)dis-1011_1_sil=16000:fde=unused:s2agt=70:random_seed=3918859714:s2a=on:i=180:gtg=position_2999 on theBenchmark for (2999ds/180Mi)
% 2.63/1.23 % (2193087)Refutation not found, incomplete strategy
% 2.63/1.23 % (2193087)------------------------------
% 2.63/1.23 % (2193087)Version: Vampire 5.0.1 (Release build, commit ea8961452 on 2026-07-16 15:14:34 +0200)
% 2.63/1.23 % (2193087)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 2.63/1.23 % (2193087)CaDiCaL version: 2.1.3
% 2.63/1.23 % (2193087)Termination reason: Refutation not found, incomplete strategy
% 2.63/1.23 % (2193087)Time elapsed: 0.001 s
% 2.63/1.23 % (2193087)Peak memory usage: 88 MB
% 2.63/1.23 % (2193087)Instructions burned: 1 (million)
% 2.63/1.23 % (2193085)Also succeeded, but the first one will report.
% 2.63/1.23 % (2193086)Also succeeded, but the first one will report.
% 2.63/1.23 % (2193084)Refutation found. Thanks to Tanya!
% 2.63/1.23 % SZS status Unsatisfiable for theBenchmark
% 2.63/1.23 % SZS output start Proof for theBenchmark
% See solution above
% 2.63/1.23 % (2193084)------------------------------
% 2.63/1.23 % (2193084)Version: Vampire 5.0.1 (Release build, commit ea8961452 on 2026-07-16 15:14:34 +0200)
% 2.63/1.23 % (2193084)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 2.63/1.23 % (2193084)CaDiCaL version: 2.1.3
% 2.63/1.23 % (2193084)Termination reason: Refutation
% 2.63/1.23 % (2193084)Time elapsed: 0.001 s
% 2.63/1.23 % (2193084)Peak memory usage: 89 MB
% 2.63/1.23 % (2193084)Instructions burned: 1 (million)
% 2.63/1.23 % (2193084)------------------------------
% 2.63/1.23 % (2193084)------------------------------
% 2.63/1.23 % (2193058)Success in time 0.256 s
% 2.63/1.23 % Vampire exiting
%------------------------------------------------------------------------------