%------------------------------------------------------------------------------
% File : Vampire-SAT---5.0.1
% Problem : GRA001-1 : TPTP v9.3.1. Released v1.0.0.
% Transfm : none
% Format : tptp:raw
% Command : run_vampire /export/starexec/sandbox/benchmark/theBenchmark.p 300 SAT
% Computer : n012.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 10:08:25 AM UTC 2026
% Result : Unsatisfiable 0.07s 0.36s
% Output : Refutation 0.07s
% Verified :
% SZS Type : Refutation
% Derivation depth : 2
% Number of leaves : 12
% Syntax : Number of formulae : 23 ( 1 unt; 0 def)
% Number of atoms : 61 ( 0 equ)
% Maximal formula atoms : 3 ( 2 avg)
% Number of connectives : 68 ( 30 ~; 38 |; 0 &)
% ( 0 <=>; 0 =>; 0 <=; 0 <~>)
% Maximal formula depth : 4 ( 3 avg)
% Maximal term depth : 0 ( 0 avg)
% Number of predicates : 6 ( 5 usr; 6 prp; 0-0 aty)
% Number of functors : 0 ( 0 usr; 0 con; --- aty)
% Number of variables : 0 ( 0 !; 0 ?)
% Comments :
%------------------------------------------------------------------------------
fof(f1,negated_conjecture,
( a
| b ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause_1) ).
fof(f2,negated_conjecture,
( ~ a
| ~ b ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause_2) ).
fof(f3,negated_conjecture,
( a
| c
| ~ d ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause_3) ).
fof(f4,negated_conjecture,
( a
| ~ c
| d ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause_4) ).
fof(f5,negated_conjecture,
( ~ a
| c
| d ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause_5) ).
fof(f6,negated_conjecture,
( ~ a
| ~ c
| ~ d ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause_6) ).
fof(f7,negated_conjecture,
( b
| c
| ~ e ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause_7) ).
fof(f8,negated_conjecture,
( b
| ~ c
| e ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause_8) ).
fof(f9,negated_conjecture,
( ~ b
| c
| e ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause_9) ).
fof(f10,negated_conjecture,
( ~ b
| ~ c
| ~ e ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause_10) ).
fof(f11,negated_conjecture,
( d
| ~ e ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause_11) ).
fof(f12,negated_conjecture,
( ~ d
| e ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause_12) ).
fof(f13,plain,
( a
| ~ c
| d ),
inference(consistent_polarity_flipping,[],[f3]) ).
fof(f14,plain,
( a
| c
| ~ d ),
inference(consistent_polarity_flipping,[],[f4]) ).
fof(f15,plain,
( ~ a
| ~ c
| ~ d ),
inference(consistent_polarity_flipping,[],[f5]) ).
fof(f16,plain,
( ~ a
| c
| d ),
inference(consistent_polarity_flipping,[],[f6]) ).
fof(f17,plain,
( b
| ~ c
| e ),
inference(consistent_polarity_flipping,[],[f7]) ).
fof(f18,plain,
( b
| c
| ~ e ),
inference(consistent_polarity_flipping,[],[f8]) ).
fof(f19,plain,
( ~ b
| ~ c
| ~ e ),
inference(consistent_polarity_flipping,[],[f9]) ).
fof(f20,plain,
( ~ b
| c
| e ),
inference(consistent_polarity_flipping,[],[f10]) ).
fof(f21,plain,
( ~ d
| e ),
inference(consistent_polarity_flipping,[],[f11]) ).
fof(f22,plain,
( d
| ~ e ),
inference(consistent_polarity_flipping,[],[f12]) ).
fof(f23,plain,
$false,
inference(finite_model_not_found_(exhaustively_excluded_all_possible_domain_size_assignments),[],[f1,f2,f13,f14,f15,f16,f17,f18,f19,f20,f21,f22]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.01 % Problem : GRA001-1 : TPTP v9.3.1. Released v1.0.0.
% 0.00/0.03 % Command : run_vampire /export/starexec/sandbox/benchmark/theBenchmark.p 300 SAT
% 0.04/0.31 % Computer : n012.cluster.edu
% 0.04/0.31 % Model : x86_64 x86_64
% 0.04/0.31 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.04/0.31 % Memory : 8046.5625MB
% 0.04/0.31 % OS : Linux 6.8.0-71-generic
% 0.04/0.31 % CPULimit : 300
% 0.04/0.31 % WCLimit : 300
% 0.04/0.31 % DateTime : Sun Sep 27 08:44:50 UTC 2026
% 0.04/0.31 % CPUTime :
% 0.04/0.31 Running run_vampire /export/starexec/sandbox/benchmark/theBenchmark.p 300 SAT
% 0.07/0.33 Running first-order model finding
% 0.07/0.33 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
% 0.07/0.36 % (2070583)Will run a generic schedule for satisfiability detection.
% 0.07/0.36 % (2070589)% WARNING: option uhcvi not known.
% 0.07/0.36 % (2070593)ott+1_1_to=lpo:sil=16000:sp=reverse_arity:erd=off:random_seed=3107942761:i=131_2999 on theBenchmark for (2999ds/131Mi)
% 0.07/0.36 % (2070588)fmb+10_1_sas=cadical:bce=on:rp=on:random_seed=1373297443_2999 on theBenchmark for (2999ds/0Mi)
% 0.07/0.36 % (2070592)ott+31_1_sil=16000:lcm=predicate:bce=on:newcnf=on:random_seed=2572317307:i=116_2999 on theBenchmark for (2999ds/116Mi)
% 0.07/0.36 % (2070591)dis+10_1_sil=32000:sp=arity:random_seed=1329133928:i=103:fgj=on_2999 on theBenchmark for (2999ds/103Mi)
% 0.07/0.36 % (2070589)dis+11_61:31_drc=ordering:lsd=5:bsr=unit_only:rp=on:newcnf=on:random_seed=3790201599:i=135531:add=off:rawr=on_2999 on theBenchmark for (2999ds/135531Mi)
% 0.07/0.36 % (2070590)dis+10_161_sil=256000:plsq=on:plsqr=61199697,1048576:gs=on:alpa=true:sac=on:slsq=on:cn=on:random_seed=2253382398:i=88024:add=on:rawr=on_2999 on theBenchmark for (2999ds/88024Mi)
% 0.07/0.36 % (2070594)ott-3_16_to=lpo:sil=16000:sp=arity:fd=off:rp=on:random_seed=992120911:i=159:bs=unit_only:nicw=on:fsr=off:amm=off_2999 on theBenchmark for (2999ds/159Mi)
% 0.07/0.36 % The problem is propositional so there are no sorts!
% 0.07/0.36 % TRYING []
% 0.07/0.36 % (2070588) found proof, printing to "/export/starexec/sandbox/tmp/vampire-proof-2070583-2070588"...
% 0.07/0.36 % (2070593) found proof, printing to "/export/starexec/sandbox/tmp/vampire-proof-2070583-2070593"...
% 0.07/0.36 % (2070591) found proof, printing to "/export/starexec/sandbox/tmp/vampire-proof-2070583-2070591"...
% 0.07/0.36 % (2070589) found proof, printing to "/export/starexec/sandbox/tmp/vampire-proof-2070583-2070589"...
% 0.07/0.36 % (2070592) found proof, printing to "/export/starexec/sandbox/tmp/vampire-proof-2070583-2070592"...
% 0.07/0.36 % (2070590) found proof, printing to "/export/starexec/sandbox/tmp/vampire-proof-2070583-2070590"...
% 0.07/0.36 % (2070594) found proof, printing to "/export/starexec/sandbox/tmp/vampire-proof-2070583-2070594"...
% 0.07/0.36 % (2070588)...printing done.
% 0.07/0.36 % (2070591)...printing done.
% 0.07/0.36 % (2070593)...printing done.
% 0.07/0.36 % (2070590)...printing done.
% 0.07/0.36 % (2070592)...printing done.
% 0.07/0.36 % (2070589)...printing done.
% 0.07/0.36 % (2070594)...printing done.
% 0.07/0.36 % (2070588)Refutation found. Thanks to Tanya!
% 0.07/0.36 % SZS status Unsatisfiable for theBenchmark
% 0.07/0.36 % SZS output start Proof for theBenchmark
% See solution above
% 0.07/0.36 % (2070588)------------------------------
% 0.07/0.36 % (2070588)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 0.07/0.36 % (2070588)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 0.07/0.36 % (2070588)CaDiCaL version: 2.1.3
% 0.07/0.36 % (2070588)Termination reason: Refutation
% 0.07/0.36 % (2070588)Time elapsed: 0.0000 s
% 0.07/0.36 % (2070588)Peak memory usage: 11 MB
% 0.07/0.36 % (2070583)Success in time 0.023 s
% 0.07/0.36 % Vampire exiting
%------------------------------------------------------------------------------