%------------------------------------------------------------------------------
% File : Vampire-SAT---5.0.1
% Problem : SEU847^5 : TPTP v9.3.1. Released v4.0.0.
% Transfm : none
% Format : tptp:raw
% Command : run_vampire /export/starexec/sandbox/benchmark/theBenchmark.p 300 SAT
% Computer : n008.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 : Wed Sep 30 08:34:17 AM UTC 2026
% Result : Theorem 0.07s 0.26s
% Output : Refutation 0.07s
% Verified :
% SZS Type : Refutation
% Derivation depth : 12
% Number of leaves : 1
% Syntax : Number of formulae : 13 ( 13 unt; 0 typ; 0 def)
% Number of atoms : 47 ( 12 equ; 0 cnn)
% Maximal formula atoms : 1 ( 3 avg)
% Number of connectives : 70 ( 27 ~; 8 |; 17 &; 18 @)
% ( 0 <=>; 0 =>; 0 <=; 0 <~>)
% Maximal formula depth : 3 ( 2 avg)
% Number of types : 2 ( 1 usr)
% Number of type conns : 5 ( 5 >; 0 *; 0 +; 0 <<)
% Number of symbols : 10 ( 7 usr; 2 con; 0-4 aty)
% Number of variables : 16 ( 11 ^; 4 !; 1 ?; 16 :)
% Comments :
%------------------------------------------------------------------------------
thf(type_def_5,type,
a: $tType ).
thf(type_def_6,type,
sTfun: ( $tType * $tType ) > $tType ).
thf(func_def_1,type,
vOR: $o > $o > $o ).
thf(func_def_2,type,
vAND: $o > $o > $o ).
thf(func_def_3,type,
db0:
!>[X0: $tType] : X0 ).
thf(func_def_4,type,
vNOT: $o > $o ).
thf(func_def_7,type,
vLAM:
!>[X0: $tType,X1: $tType] : ( X1 > X0 > X1 ) ).
thf(func_def_8,type,
sK0: a > $o ).
thf(f1,conjecture,
! [X0: a > $o] :
( ( ^ [X1: a] :
( ( ~ ( X0 @ X1 )
& $false )
| ( ~ $false
& ( X0 @ X1 ) ) ) )
= X0 ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',cGAZING_THM41_pme) ).
thf(f2,negated_conjecture,
~ ! [X0: a > $o] :
( ( ^ [X1: a] :
( ( ~ ( X0 @ X1 )
& $false )
| ( ~ $false
& ( X0 @ X1 ) ) ) )
= X0 ),
inference(negated_conjecture,[status(cth)],[f1]) ).
thf(f3,plain,
~ ! [X0: a > $o] :
( ( ^ [X1: a] :
( ( ~ ( X0 @ X1 )
& $false )
| ( ~ $false
& ( X0 @ X1 ) ) ) )
= X0 ),
inference(rectify,[],[f2]) ).
thf(f4,plain,
~ ! [X0: a > $o] :
( ( ^ [Y0: a] :
( ( ( X0 @ Y0 )
& ~ $false )
| ( $false
& ~ ( X0 @ Y0 ) ) ) )
= X0 ),
inference(fool_elimination,[],[f3]) ).
thf(f5,plain,
? [X0: a > $o] :
( ( ^ [Y0: a] :
( ( ( X0 @ Y0 )
& ~ $false )
| ( $false
& ~ ( X0 @ Y0 ) ) ) )
!= X0 ),
inference(ennf_transformation,[],[f4]) ).
thf(f6,plain,
( sK0
!= ( ^ [Y0: a] :
( ( ( sK0 @ Y0 )
& ~ $false )
| ( $false
& ~ ( sK0 @ Y0 ) ) ) ) ),
inference(skolemize,[status(esa),new_symbols(skolem,[sK0]),skolemize(X0,sK0)],[f5]) ).
thf(f7,plain,
( sK0
!= ( ^ [Y0: a] :
( ( ( sK0 @ Y0 )
& ~ $false )
| ( $false
& ~ ( sK0 @ Y0 ) ) ) ) ),
inference(cnf_transformation,[],[f6]) ).
thf(f10,plain,
( sK0
!= ( ^ [Y0: a] :
( ( ( sK0 @ Y0 )
& ~ $false )
| $false ) ) ),
inference(boolean_simplification,[],[f7]) ).
thf(f11,plain,
( sK0
!= ( ^ [Y0: a] :
( ( sK0 @ Y0 )
& ~ $false ) ) ),
inference(boolean_simplification,[],[f10]) ).
thf(f12,plain,
( sK0
!= ( ^ [Y0: a] :
( ( sK0 @ Y0 )
& $true ) ) ),
inference(boolean_simplification,[],[f11]) ).
thf(f13,plain,
( sK0
!= ( ^ [Y0: a] : ( sK0 @ Y0 ) ) ),
inference(boolean_simplification,[],[f12]) ).
thf(f14,plain,
sK0 != sK0,
inference(beta-eta_normalization,[],[f13]) ).
thf(f15,plain,
$false,
inference(trivial_inequality_removal,[],[f14]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.02 % Problem : SEU847^5 : TPTP v9.3.1. Released v4.0.0.
% 0.00/0.05 % Command : run_vampire /export/starexec/sandbox/benchmark/theBenchmark.p 300 SAT
% 0.07/0.18 % Computer : n008.cluster.edu
% 0.07/0.18 % Model : x86_64 x86_64
% 0.07/0.18 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.07/0.18 % Memory : 8046.5625MB
% 0.07/0.18 % OS : Linux 6.8.0-71-generic
% 0.07/0.18 % CPULimit : 300
% 0.07/0.18 % WCLimit : 300
% 0.07/0.18 % DateTime : Tue Sep 29 14:40:39 UTC 2026
% 0.07/0.18 % CPUTime :
% 0.07/0.18 Running run_vampire /export/starexec/sandbox/benchmark/theBenchmark.p 300 SAT
% 0.07/0.21 Running first-order model finding
% 0.07/0.21 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
% 0.07/0.26 % (3249947)Will run a generic schedule for satisfiability detection.
% 0.07/0.26 % (3249952)fmb+10_1_sas=cadical:bce=on:rp=on:random_seed=1434744316_2999 on theBenchmark for (2999ds/0Mi)
% 0.07/0.26 % Exception at run slice level
% 0.07/0.26 User error: Finite model building is currently not compatible with polymorphism or higher-order constructs
% 0.07/0.26 % (3249953)% WARNING: option uhcvi not known.
% 0.07/0.26 % (3249953)dis+11_61:31_drc=ordering:lsd=5:bsr=unit_only:rp=on:newcnf=on:random_seed=4115632597:i=135531:add=off:rawr=on_2999 on theBenchmark for (2999ds/135531Mi)
% 0.07/0.26 % (3249954)dis+10_161_sil=256000:plsq=on:plsqr=61199697,1048576:gs=on:alpa=true:sac=on:slsq=on:cn=on:random_seed=3448941730:i=88024:add=on:rawr=on_2999 on theBenchmark for (2999ds/88024Mi)
% 0.07/0.26 % (3249955)dis+10_1_sil=32000:sp=arity:random_seed=958248855:i=103:fgj=on_2999 on theBenchmark for (2999ds/103Mi)
% 0.07/0.26 % (3249956)ott+31_1_sil=16000:lcm=predicate:bce=on:newcnf=on:random_seed=3358577660:i=116_2999 on theBenchmark for (2999ds/116Mi)
% 0.07/0.26 % (3249953)WARNING: Not using 'newcnf' as currently not compatible with higher-order inputs.
% 0.07/0.26 % (3249958)ott-3_16_to=lpo:sil=16000:sp=arity:fd=off:rp=on:random_seed=2921684196:i=159:bs=unit_only:nicw=on:fsr=off:amm=off_2999 on theBenchmark for (2999ds/159Mi)
% 0.07/0.26 % (3249953)WARNING: Look ahead literal selection is not currently compatible with higher-order. Ignoring request to use
% 0.07/0.26 % (3249956)WARNING: Not using 'newcnf' as currently not compatible with higher-order inputs.
% 0.07/0.26 % (3249953) found proof, printing to "/export/starexec/sandbox/tmp/vampire-proof-3249947-3249953"...
% 0.07/0.26 % (3249955) found proof, printing to "/export/starexec/sandbox/tmp/vampire-proof-3249947-3249955"...
% 0.07/0.26 % (3249954) found proof, printing to "/export/starexec/sandbox/tmp/vampire-proof-3249947-3249954"...
% 0.07/0.26 % (3249956) found proof, printing to "/export/starexec/sandbox/tmp/vampire-proof-3249947-3249956"...
% 0.07/0.26 % (3249958) found proof, printing to "/export/starexec/sandbox/tmp/vampire-proof-3249947-3249958"...
% 0.07/0.26 % (3249953)...printing done.
% 0.07/0.26 % (3249955)...printing done.
% 0.07/0.26 % (3249954)...printing done.
% 0.07/0.26 % (3249956)...printing done.
% 0.07/0.26 % (3249958)...printing done.
% 0.07/0.26 % (3249953)Refutation found. Thanks to Tanya!
% 0.07/0.26 % SZS status Theorem for theBenchmark
% 0.07/0.26 % SZS output start Proof for theBenchmark
% See solution above
% 0.07/0.26 % (3249953)------------------------------
% 0.07/0.26 % (3249953)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 0.07/0.26 % (3249953)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 0.07/0.26 % (3249953)CaDiCaL version: 2.1.3
% 0.07/0.26 % (3249953)Termination reason: Refutation
% 0.07/0.26 % (3249953)Time elapsed: 0.001 s
% 0.07/0.26 % (3249953)Peak memory usage: 11 MB
% 0.07/0.26 % (3249953)Instructions burned: 1 (million)
% 0.07/0.26 % (3249947)Success in time 0.04 s
% 0.07/0.26 % Vampire exiting
%------------------------------------------------------------------------------