%------------------------------------------------------------------------------
% File : Vampire---5.0.1
% Problem : SWC026-1 : TPTP v9.3.1. Released v2.4.0.
% Transfm : none
% Format : tptp:raw
% Command : run_vampire /export/starexec/sandbox2/benchmark/theBenchmark.p 300 THM
% Computer : n009.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 01:02:06 PM UTC 2026
% Result : Unsatisfiable 3.43s 1.46s
% Output : Refutation 3.43s
% Verified :
% SZS Type : Refutation
% Derivation depth : 7
% Number of leaves : 8
% Syntax : Number of formulae : 22 ( 6 unt; 2 def)
% Number of atoms : 38 ( 16 equ)
% Maximal formula atoms : 2 ( 1 avg)
% Number of connectives : 30 ( 14 ~; 14 |; 0 &)
% ( 2 <=>; 0 =>; 0 <=; 0 <~>)
% Maximal formula depth : 3 ( 2 avg)
% Maximal term depth : 1 ( 1 avg)
% Number of predicates : 4 ( 2 usr; 3 prp; 0-2 aty)
% Number of functors : 5 ( 5 usr; 5 con; 0-0 aty)
% Number of variables : 0 ( 0 sgn 0 !; 0 ?)
% Comments :
%------------------------------------------------------------------------------
fof(f204,negated_conjecture,
sk2 = sk4,
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',co1_5) ).
fof(f205,negated_conjecture,
sk1 = sk3,
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',co1_6) ).
fof(f206,negated_conjecture,
( nil = sk4
| nil != sk3 ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',co1_7) ).
fof(f207,negated_conjecture,
( nil = sk3
| nil != sk4 ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',co1_8) ).
fof(f208,negated_conjecture,
( nil = sk2
| nil = sk1 ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',co1_9) ).
fof(f211,negated_conjecture,
( nil != sk1
| nil != sk2 ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',co1_12) ).
fof(f214,plain,
( nil = sk4
| nil = sk3 ),
inference(definition_unfolding,[],[f208,f204,f205]) ).
fof(f217,plain,
( nil != sk3
| nil != sk4 ),
inference(definition_unfolding,[],[f211,f205,f204]) ).
fof(f229,definition,
( spl0_3
<=> nil = sk4 ),
introduced(definition,[new_symbols(definition,[spl0_3])],[avatar_definition]) ).
fof(f232,definition,
( spl0_4
<=> nil = sk3 ),
introduced(definition,[new_symbols(definition,[spl0_4])],[avatar_definition]) ).
fof(f234,plain,
( ~ spl0_3
| ~ spl0_4 ),
inference(avatar_split_clause,[],[f217,f232,f229]) ).
fof(f237,plain,
( spl0_4
| spl0_3 ),
inference(avatar_split_clause,[],[f214,f229,f232]) ).
fof(f238,plain,
( ~ spl0_3
| spl0_4 ),
inference(avatar_split_clause,[],[f207,f232,f229]) ).
fof(f239,plain,
( ~ spl0_4
| spl0_3 ),
inference(avatar_split_clause,[],[f206,f229,f232]) ).
cnf(s2,plain,
( ~ spl0_3
| ~ spl0_4 ),
inference(sat_conversion,[],[f234]) ).
cnf(s3,plain,
( spl0_3
| spl0_4 ),
inference(sat_conversion,[],[f237]) ).
cnf(s4,plain,
( ~ spl0_3
| spl0_4 ),
inference(sat_conversion,[],[f238]) ).
cnf(s5,plain,
( spl0_3
| ~ spl0_4 ),
inference(sat_conversion,[],[f239]) ).
cnf(s6,plain,
spl0_3,
inference(rat,[],[s3,s5]) ).
cnf(s7,plain,
spl0_4,
inference(rat,[],[s4,s6]) ).
cnf(s8,plain,
$false,
inference(rat,[],[s2,s7,s6]) ).
fof(f240,plain,
$false,
inference(avatar_sat_refutation,[],[s8]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : SWC026-1 : TPTP v9.3.1. Released v2.4.0.
% 0.00/0.06 % Command : run_vampire /export/starexec/sandbox2/benchmark/theBenchmark.p 300 THM
% 0.13/0.39 % Computer : n009.cluster.edu
% 0.13/0.39 % Model : x86_64 x86_64
% 0.13/0.39 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.39 % Memory : 8046.5625MB
% 0.13/0.39 % OS : Linux 6.8.0-71-generic
% 0.13/0.39 % CPULimit : 300
% 0.13/0.39 % WCLimit : 300
% 0.13/0.39 % DateTime : Mon Sep 28 07:30:16 UTC 2026
% 0.13/0.39 % CPUTime :
% 0.13/0.39 Running run_vampire /export/starexec/sandbox2/benchmark/theBenchmark.p 300 THM
% 0.13/0.43 Running first-order theorem proving
% 0.13/0.43 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
% 3.43/1.46 % (2861490)Input is clausal, will run a generic CNF schedule.
% 3.43/1.46 % (2861496)lrs+10_1_ncem=casc2026/models/loop8.pt:sil=128000:npcc=on:urr=on:br=off:random_seed=2024199812:i=132376:av=off_2999 on theBenchmark for (2999ds/132376Mi)
% 3.43/1.46 % (2861499)dis-1002_1_to=lpo:sil=16000:fd=off:random_seed=3808834132:st=1.5:i=114:aac=none:ins=7:ss=axioms:fsd=on_2999 on theBenchmark for (2999ds/114Mi)
% 3.43/1.46 % (2861499)First to succeed.
% 3.43/1.46 % (2861499)Solution written to "/export/starexec/sandbox2/tmp/vampire-proof-2861490"
% 3.43/1.46 % (2861495)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=1780977184:i=140167_2999 on theBenchmark for (2999ds/140167Mi)
% 3.43/1.46 % (2861497)lrs+1002_1_ncem=casc2026/models/loop8.pt:sil=128000:tgt=ground:npcc=on:sp=reverse_frequency:spb=intro:random_seed=3017915373:i=137899:s2at=10:gtgl=3:kws=precedence:add=on:bd=preordered:gtg=position_2999 on theBenchmark for (2999ds/137899Mi)
% 3.43/1.46 % (2861498)lrs+10_1_sil=8000:sp=occurrence:random_seed=3129064186:i=107:sd=3:ss=axioms:sgt=8_2999 on theBenchmark for (2999ds/107Mi)
% 3.43/1.46 % (2861498)Also succeeded, but the first one will report.
% 3.43/1.46 % (2861500)dis-1011_1_sil=16000:fde=unused:s2agt=70:random_seed=2636086307:s2a=on:i=180:gtg=position_2999 on theBenchmark for (2999ds/180Mi)
% 3.43/1.46 % (2861501)dis-21_1_sil=8000:lcm=predicate:random_seed=3400419412: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)
% 3.43/1.46 % (2861501)Also succeeded, but the first one will report.
% 3.43/1.46 % (2861500)Also succeeded, but the first one will report.
% 3.43/1.46 % (2861499)Refutation found. Thanks to Tanya!
% 3.43/1.46 % SZS status Unsatisfiable for theBenchmark
% 3.43/1.46 % SZS output start Proof for theBenchmark
% See solution above
% 3.43/1.46 % (2861499)------------------------------
% 3.43/1.46 % (2861499)Version: Vampire 5.0.1 (Release build, commit ea8961452 on 2026-07-16 15:14:34 +0200)
% 3.43/1.46 % (2861499)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 3.43/1.46 % (2861499)CaDiCaL version: 2.1.3
% 3.43/1.46 % (2861499)Termination reason: Refutation
% 3.43/1.46 % (2861499)Time elapsed: 0.003 s
% 3.43/1.46 % (2861499)Peak memory usage: 89 MB
% 3.43/1.46 % (2861499)Instructions burned: 1 (million)
% 3.43/1.46 % (2861499)------------------------------
% 3.43/1.46 % (2861499)------------------------------
% 3.43/1.46 % (2861490)Success in time 0.406 s
% 3.43/1.46 % Vampire exiting
%------------------------------------------------------------------------------