%------------------------------------------------------------------------------
% File : Vampire-SAT---5.0.1
% Problem : SYO290^5 : 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 : n006.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 08:49:40 AM UTC 2026
% Result : Theorem 0.21s 0.27s
% Output : Refutation 0.21s
% Verified :
% SZS Type : Refutation
% Derivation depth : 7
% Number of leaves : 1
% Syntax : Number of formulae : 9 ( 3 unt; 0 typ; 0 def)
% Number of atoms : 31 ( 8 equ; 0 cnn)
% Maximal formula atoms : 2 ( 3 avg)
% Number of connectives : 59 ( 11 ~; 5 |; 1 &; 42 @)
% ( 0 <=>; 0 =>; 0 <=; 0 <~>)
% Maximal formula depth : 8 ( 4 avg)
% Number of types : 2 ( 1 usr)
% Number of type conns : 0 ( 0 >; 0 *; 0 +; 0 <<)
% Number of symbols : 9 ( 6 usr; 2 con; 0-4 aty)
% Number of variables : 14 ( 14 ^; 0 !; 0 ?; 14 :)
% Comments :
%------------------------------------------------------------------------------
thf(type_def_5,type,
a: $tType ).
thf(type_def_6,type,
sTfun: ( $tType * $tType ) > $tType ).
thf(func_def_0,type,
g2: a > a ).
thf(func_def_1,type,
g1: a > a ).
thf(func_def_2,type,
p: ( a > a ) > $o ).
thf(func_def_4,type,
db0:
!>[X0: $tType] : X0 ).
thf(func_def_5,type,
vLAM:
!>[X0: $tType,X1: $tType] : ( X1 > X0 > X1 ) ).
thf(f1,conjecture,
( ( p
@ ^ [X1: a] : ( g1 @ ( g2 @ X1 ) ) )
| ~ ( p
@ ^ [X0: a] : ( g1 @ ( g2 @ X0 ) ) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',cTRANS_BUG_EX2) ).
thf(f2,negated_conjecture,
~ ( ( p
@ ^ [X1: a] : ( g1 @ ( g2 @ X1 ) ) )
| ~ ( p
@ ^ [X0: a] : ( g1 @ ( g2 @ X0 ) ) ) ),
inference(negated_conjecture,[status(cth)],[f1]) ).
thf(f3,plain,
~ ( ( p
@ ^ [X0: a] : ( g1 @ ( g2 @ X0 ) ) )
| ~ ( p
@ ^ [X1: a] : ( g1 @ ( g2 @ X1 ) ) ) ),
inference(rectify,[],[f2]) ).
thf(f4,plain,
~ ( ( ( p
@ ^ [Y0: a] : ( g1 @ ( g2 @ Y0 ) ) )
= $true )
| ( ( p
@ ^ [Y0: a] : ( g1 @ ( g2 @ Y0 ) ) )
!= $true ) ),
inference(fool_elimination,[],[f3]) ).
thf(f5,plain,
~ ( ( ( p
@ ^ [Y0: a] : ( g1 @ ( g2 @ Y0 ) ) )
= $true )
| ( ( p
@ ^ [Y0: a] : ( g1 @ ( g2 @ Y0 ) ) )
!= $true ) ),
inference(flattening,[],[f4]) ).
thf(f6,plain,
( ( ( p
@ ^ [Y0: a] : ( g1 @ ( g2 @ Y0 ) ) )
!= $true )
& ( ( p
@ ^ [Y0: a] : ( g1 @ ( g2 @ Y0 ) ) )
= $true ) ),
inference(ennf_transformation,[],[f5]) ).
thf(f7,plain,
( ( p
@ ^ [Y0: a] : ( g1 @ ( g2 @ Y0 ) ) )
= $true ),
inference(cnf_transformation,[],[f6]) ).
thf(f8,plain,
( ( p
@ ^ [Y0: a] : ( g1 @ ( g2 @ Y0 ) ) )
!= $true ),
inference(cnf_transformation,[],[f6]) ).
thf(f11,plain,
$false,
inference(forward_subsumption_resolution,[],[f8,f7]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : SYO290^5 : TPTP v9.3.1. Released v4.0.0.
% 0.00/0.05 % Command : run_vampire /export/starexec/sandbox/benchmark/theBenchmark.p 300 SAT
% 0.08/0.20 % Computer : n006.cluster.edu
% 0.08/0.20 % Model : x86_64 x86_64
% 0.08/0.20 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.08/0.20 % Memory : 8046.5625MB
% 0.08/0.20 % OS : Linux 6.8.0-71-generic
% 0.08/0.20 % CPULimit : 300
% 0.08/0.20 % WCLimit : 300
% 0.08/0.20 % DateTime : Tue Sep 29 16:43:09 UTC 2026
% 0.08/0.20 % CPUTime :
% 0.08/0.20 Running run_vampire /export/starexec/sandbox/benchmark/theBenchmark.p 300 SAT
% 0.08/0.22 Running first-order model finding
% 0.08/0.22 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
% 0.21/0.27 % (993600)Will run a generic schedule for satisfiability detection.
% 0.21/0.27 % (993605)fmb+10_1_sas=cadical:bce=on:rp=on:random_seed=2871607542_2999 on theBenchmark for (2999ds/0Mi)
% 0.21/0.27 % Exception at run slice level
% 0.21/0.27 User error: Finite model building is currently not compatible with polymorphism or higher-order constructs
% 0.21/0.27 % (993606)% WARNING: option uhcvi not known.
% 0.21/0.27 % (993606)dis+11_61:31_drc=ordering:lsd=5:bsr=unit_only:rp=on:newcnf=on:random_seed=2064673163:i=135531:add=off:rawr=on_2999 on theBenchmark for (2999ds/135531Mi)
% 0.21/0.27 % (993607)dis+10_161_sil=256000:plsq=on:plsqr=61199697,1048576:gs=on:alpa=true:sac=on:slsq=on:cn=on:random_seed=1101951494:i=88024:add=on:rawr=on_2999 on theBenchmark for (2999ds/88024Mi)
% 0.21/0.27 % (993608)dis+10_1_sil=32000:sp=arity:random_seed=3452216969:i=103:fgj=on_2999 on theBenchmark for (2999ds/103Mi)
% 0.21/0.27 % (993609)ott+31_1_sil=16000:lcm=predicate:bce=on:newcnf=on:random_seed=1701851733:i=116_2999 on theBenchmark for (2999ds/116Mi)
% 0.21/0.27 % (993606)WARNING: Not using 'newcnf' as currently not compatible with higher-order inputs.
% 0.21/0.27 % (993606)WARNING: Look ahead literal selection is not currently compatible with higher-order. Ignoring request to use
% 0.21/0.27 % (993609)WARNING: Not using 'newcnf' as currently not compatible with higher-order inputs.
% 0.21/0.27 % (993607) found proof, printing to "/export/starexec/sandbox/tmp/vampire-proof-993600-993607"...
% 0.21/0.27 % (993606) found proof, printing to "/export/starexec/sandbox/tmp/vampire-proof-993600-993606"...
% 0.21/0.27 % (993609) found proof, printing to "/export/starexec/sandbox/tmp/vampire-proof-993600-993609"...
% 0.21/0.27 % (993608) found proof, printing to "/export/starexec/sandbox/tmp/vampire-proof-993600-993608"...
% 0.21/0.27 % (993610)ott+1_1_to=lpo:sil=16000:sp=reverse_arity:erd=off:random_seed=88244609:i=131_2999 on theBenchmark for (2999ds/131Mi)
% 0.21/0.27 % (993610) found proof, printing to "/export/starexec/sandbox/tmp/vampire-proof-993600-993610"...
% 0.21/0.27 % (993606)...printing done.
% 0.21/0.27 % (993607)...printing done.
% 0.21/0.27 % (993609)...printing done.
% 0.21/0.27 % (993608)...printing done.
% 0.21/0.27 % (993610)...printing done.
% 0.21/0.27 % (993609)Refutation found. Thanks to Tanya!
% 0.21/0.27 % SZS status Theorem for theBenchmark
% 0.21/0.27 % SZS output start Proof for theBenchmark
% See solution above
% 0.21/0.27 % (993609)------------------------------
% 0.21/0.27 % (993609)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 0.21/0.27 % (993609)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 0.21/0.27 % (993609)CaDiCaL version: 2.1.3
% 0.21/0.27 % (993609)Termination reason: Refutation
% 0.21/0.27 % (993609)Time elapsed: 0.001 s
% 0.21/0.27 % (993609)Peak memory usage: 11 MB
% 0.21/0.27 % (993600)Success in time 0.035 s
% 0.21/0.27 % Vampire exiting
%------------------------------------------------------------------------------