%------------------------------------------------------------------------------
% File : Vampire-SAT---5.0.1
% Problem : SWC146-1 : TPTP v9.3.1. Released v2.4.0.
% Transfm : none
% Format : tptp:raw
% Command : run_vampire /export/starexec/sandbox/benchmark/theBenchmark.p 300 SAT
% Computer : n020.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 01:04:51 PM UTC 2026
% Result : Unsatisfiable 0.16s 0.51s
% Output : Refutation 0.16s
% Verified :
% SZS Type : Refutation
% Derivation depth : 2
% Number of leaves : 3
% Syntax : Number of formulae : 5 ( 5 unt; 0 def)
% Number of atoms : 5 ( 1 equ)
% Maximal formula atoms : 1 ( 1 avg)
% Number of connectives : 1 ( 1 ~; 0 |; 0 &)
% ( 0 <=>; 0 =>; 0 <=; 0 <~>)
% Maximal formula depth : 2 ( 1 avg)
% Maximal term depth : 1 ( 1 avg)
% Number of predicates : 3 ( 1 usr; 1 prp; 0-2 aty)
% Number of functors : 3 ( 3 usr; 3 con; 0-0 aty)
% Number of variables : 0 ( 0 !; 0 ?)
% Comments :
%------------------------------------------------------------------------------
fof(f204,negated_conjecture,
sk2 = sk4,
file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1_5) ).
fof(f206,negated_conjecture,
neq(sk2,nil),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1_7) ).
fof(f207,negated_conjecture,
~ neq(sk4,nil),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1_8) ).
fof(f211,plain,
neq(sk4,nil),
inference(definition_unfolding,[],[f206,f204]) ).
fof(f213,plain,
$false,
inference(forward_subsumption_resolution,[],[f211,f207]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : SWC146-1 : TPTP v9.3.1. Released v2.4.0.
% 0.00/0.05 % Command : run_vampire /export/starexec/sandbox/benchmark/theBenchmark.p 300 SAT
% 0.12/0.42 % Computer : n020.cluster.edu
% 0.12/0.42 % Model : x86_64 x86_64
% 0.12/0.42 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.42 % Memory : 8046.5625MB
% 0.12/0.42 % OS : Linux 6.8.0-71-generic
% 0.12/0.42 % CPULimit : 300
% 0.12/0.42 % WCLimit : 300
% 0.12/0.42 % DateTime : Mon Sep 28 08:08:33 UTC 2026
% 0.12/0.42 % CPUTime :
% 0.12/0.42 Running run_vampire /export/starexec/sandbox/benchmark/theBenchmark.p 300 SAT
% 0.12/0.45 Running first-order model finding
% 0.12/0.45 Running: /export/starexec/sandbox/solver/bin/vampire-ho --input_syntax tptp --output_axiom_names on --mode casc --intent sat -m 16384 --cores 7 -t 300 /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.16/0.51 % (27218)Will run a generic schedule for satisfiability detection.
% 0.16/0.51 % (27223)fmb+10_1_sas=cadical:bce=on:rp=on:random_seed=1856710691_2999 on theBenchmark for (2999ds/0Mi)
% 0.16/0.51 % (27224)% WARNING: option uhcvi not known.
% 0.16/0.51 % TRYING [1]
% 0.16/0.51 % TRYING [2]
% 0.16/0.51 % (27224)dis+11_61:31_drc=ordering:lsd=5:bsr=unit_only:rp=on:newcnf=on:random_seed=3439338685:i=135531:add=off:rawr=on_2999 on theBenchmark for (2999ds/135531Mi)
% 0.16/0.51 % (27225)dis+10_161_sil=256000:plsq=on:plsqr=61199697,1048576:gs=on:alpa=true:sac=on:slsq=on:cn=on:random_seed=118311860:i=88024:add=on:rawr=on_2999 on theBenchmark for (2999ds/88024Mi)
% 0.16/0.51 % (27226)dis+10_1_sil=32000:sp=arity:random_seed=1483190269:i=103:fgj=on_2999 on theBenchmark for (2999ds/103Mi)
% 0.16/0.51 % (27227)ott+31_1_sil=16000:lcm=predicate:bce=on:newcnf=on:random_seed=4200152773:i=116_2999 on theBenchmark for (2999ds/116Mi)
% 0.16/0.51 % (27228)ott+1_1_to=lpo:sil=16000:sp=reverse_arity:erd=off:random_seed=969955743:i=131_2999 on theBenchmark for (2999ds/131Mi)
% 0.16/0.51 % (27229)ott-3_16_to=lpo:sil=16000:sp=arity:fd=off:rp=on:random_seed=2415016034:i=159:bs=unit_only:nicw=on:fsr=off:amm=off_2999 on theBenchmark for (2999ds/159Mi)
% 0.16/0.51 % (27228) found proof, printing to "/export/starexec/sandbox/tmp/vampire-proof-27218-27228"...
% 0.16/0.51 % TRYING [3]
% 0.16/0.51 % (27225) found proof, printing to "/export/starexec/sandbox/tmp/vampire-proof-27218-27225"...
% 0.16/0.51 % (27226) found proof, printing to "/export/starexec/sandbox/tmp/vampire-proof-27218-27226"...
% 0.16/0.51 % (27224) found proof, printing to "/export/starexec/sandbox/tmp/vampire-proof-27218-27224"...
% 0.16/0.51 % (27228)...printing done.
% 0.16/0.51 % (27227) found proof, printing to "/export/starexec/sandbox/tmp/vampire-proof-27218-27227"...
% 0.16/0.51 % (27225)...printing done.
% 0.16/0.51 % (27226)...printing done.
% 0.16/0.51 % (27224)...printing done.
% 0.16/0.51 % (27228)Refutation found. Thanks to Tanya!
% 0.16/0.51 % SZS status Unsatisfiable for theBenchmark
% 0.16/0.51 % SZS output start Proof for theBenchmark
% See solution above
% 0.16/0.51 % (27228)------------------------------
% 0.16/0.51 % (27228)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 0.16/0.51 % (27228)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 0.16/0.51 % (27228)CaDiCaL version: 2.1.3
% 0.16/0.51 % (27228)Termination reason: Refutation
% 0.16/0.51 % (27228)Time elapsed: 0.002 s
% 0.16/0.51 % (27228)Peak memory usage: 11 MB
% 0.16/0.51 % (27228)Instructions burned: 1 (million)
% 0.16/0.51 % (27218)Success in time 0.042 s
% 0.16/0.51 % Vampire exiting
%------------------------------------------------------------------------------