%------------------------------------------------------------------------------
% File : Vampire-SAT---5.0.1
% Problem : SEV240^5 : TPTP v9.3.1. Released v4.0.0.
% Transfm : none
% Format : tptp:raw
% Command : run_vampire /export/starexec/sandbox2/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 : Wed Sep 30 08:39:12 AM UTC 2026
% Result : Theorem 0.09s 0.15s
% Output : Refutation 0.09s
% Verified :
% SZS Type : Refutation
% Derivation depth : 9
% Number of leaves : 1
% Syntax : Number of formulae : 12 ( 4 unt; 0 typ; 0 def)
% Number of atoms : 60 ( 19 equ; 0 cnn)
% Maximal formula atoms : 4 ( 5 avg)
% Number of connectives : 62 ( 12 ~; 4 |; 8 &; 30 @)
% ( 0 <=>; 8 =>; 0 <=; 0 <~>)
% Maximal formula depth : 9 ( 5 avg)
% Number of types : 2 ( 1 usr)
% Number of type conns : 12 ( 12 >; 0 *; 0 +; 0 <<)
% Number of symbols : 8 ( 5 usr; 3 con; 0-2 aty)
% Number of variables : 17 ( 0 ^; 11 !; 6 ?; 17 :)
% Comments :
%------------------------------------------------------------------------------
thf(type_def_5,type,
a: $tType ).
thf(type_def_6,type,
sTfun: ( $tType * $tType ) > $tType ).
thf(func_def_0,type,
cA: ( a > $o ) > $o ).
thf(func_def_4,type,
sK0: a > $o ).
thf(func_def_5,type,
sK1: a ).
thf(func_def_6,type,
vNOT: $o > $o ).
thf(f1,conjecture,
! [X0: a > $o] :
( ( cA @ X0 )
=> ! [X1: a] :
( ( X0 @ X1 )
=> ? [X2: a > $o] :
( ( X2 @ X1 )
& ( cA @ X2 ) ) ) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',cDOMTHM1_pme) ).
thf(f2,negated_conjecture,
~ ! [X0: a > $o] :
( ( cA @ X0 )
=> ! [X1: a] :
( ( X0 @ X1 )
=> ? [X2: a > $o] :
( ( X2 @ X1 )
& ( cA @ X2 ) ) ) ),
inference(negated_conjecture,[status(cth)],[f1]) ).
thf(f3,plain,
~ ! [X0: a > $o] :
( ( cA @ X0 )
=> ! [X1: a] :
( ( X0 @ X1 )
=> ? [X2: a > $o] :
( ( X2 @ X1 )
& ( cA @ X2 ) ) ) ),
inference(rectify,[],[f2]) ).
thf(f4,plain,
~ ! [X0: a > $o] :
( ( ( cA @ X0 )
= $true )
=> ! [X1: a] :
( ( ( X0 @ X1 )
= $true )
=> ? [X2: a > $o] :
( ( ( X2 @ X1 )
= $true )
& ( ( cA @ X2 )
= $true ) ) ) ),
inference(fool_elimination,[],[f3]) ).
thf(f5,plain,
? [X0: a > $o] :
( ? [X1: a] :
( ! [X2: a > $o] :
( ( ( X2 @ X1 )
!= $true )
| ( ( cA @ X2 )
!= $true ) )
& ( ( X0 @ X1 )
= $true ) )
& ( ( cA @ X0 )
= $true ) ),
inference(ennf_transformation,[],[f4]) ).
thf(f6,plain,
( ! [X2: a > $o] :
( ( $true
!= ( X2 @ sK1 ) )
| ( ( cA @ X2 )
!= $true ) )
& ( $true
= ( sK0 @ sK1 ) )
& ( $true
= ( cA @ sK0 ) ) ),
inference(skolemize,[status(esa),new_symbols(skolem,[sK0,sK1]),skolemize(X0,sK0),skolemize(X1,sK1)],[f5]) ).
thf(f7,plain,
( $true
= ( cA @ sK0 ) ),
inference(cnf_transformation,[],[f6]) ).
thf(f8,plain,
( $true
= ( sK0 @ sK1 ) ),
inference(cnf_transformation,[],[f6]) ).
thf(f9,plain,
! [X2: a > $o] :
( ( ( cA @ X2 )
!= $true )
| ( $true
!= ( X2 @ sK1 ) ) ),
inference(cnf_transformation,[],[f6]) ).
thf(f12,plain,
( ( $true != $true )
| ( $true
!= ( sK0 @ sK1 ) ) ),
inference(constrained_superposition,[],[f9,f7]) ).
thf(f13,plain,
( $true
!= ( sK0 @ sK1 ) ),
inference(trivial_inequality_removal,[],[f12]) ).
thf(f14,plain,
$false,
inference(forward_subsumption_resolution,[],[f13,f8]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.01 % Problem : SEV240^5 : TPTP v9.3.1. Released v4.0.0.
% 0.00/0.03 % Command : run_vampire /export/starexec/sandbox2/benchmark/theBenchmark.p 300 SAT
% 0.00/0.10 % Computer : n012.cluster.edu
% 0.00/0.10 % Model : x86_64 x86_64
% 0.00/0.10 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.00/0.10 % Memory : 8046.5625MB
% 0.00/0.10 % OS : Linux 6.8.0-71-generic
% 0.00/0.10 % CPULimit : 300
% 0.00/0.10 % WCLimit : 300
% 0.00/0.10 % DateTime : Tue Sep 29 15:26:19 UTC 2026
% 0.00/0.11 % CPUTime :
% 0.00/0.11 Running run_vampire /export/starexec/sandbox2/benchmark/theBenchmark.p 300 SAT
% 0.09/0.12 Running first-order model finding
% 0.09/0.12 Running: /export/starexec/sandbox2/solver/bin/vampire-ho --input_syntax tptp --output_axiom_names on --mode casc --intent sat -m 16384 --cores 7 -t 300 /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.09/0.15 % (241955)Will run a generic schedule for satisfiability detection.
% 0.09/0.15 % (241968)% WARNING: option uhcvi not known.
% 0.09/0.15 % (241968)dis+11_61:31_drc=ordering:lsd=5:bsr=unit_only:rp=on:newcnf=on:random_seed=1353697147:i=135531:add=off:rawr=on_2999 on theBenchmark for (2999ds/135531Mi)
% 0.09/0.15 % (241969)dis+10_161_sil=256000:plsq=on:plsqr=61199697,1048576:gs=on:alpa=true:sac=on:slsq=on:cn=on:random_seed=2997556380:i=88024:add=on:rawr=on_2999 on theBenchmark for (2999ds/88024Mi)
% 0.09/0.15 % (241967)fmb+10_1_sas=cadical:bce=on:rp=on:random_seed=3365395764_2999 on theBenchmark for (2999ds/0Mi)
% 0.09/0.15 % (241970)dis+10_1_sil=32000:sp=arity:random_seed=2675243396:i=103:fgj=on_2999 on theBenchmark for (2999ds/103Mi)
% 0.09/0.15 % (241968)WARNING: Not using 'newcnf' as currently not compatible with higher-order inputs.
% 0.09/0.15 % (241971)ott+31_1_sil=16000:lcm=predicate:bce=on:newcnf=on:random_seed=930667847:i=116_2999 on theBenchmark for (2999ds/116Mi)
% 0.09/0.15 % (241968)WARNING: Look ahead literal selection is not currently compatible with higher-order. Ignoring request to use
% 0.09/0.15 % Exception at run slice level
% 0.09/0.15 User error: Finite model building is currently not compatible with polymorphism or higher-order constructs
% 0.09/0.15 % (241972)ott+1_1_to=lpo:sil=16000:sp=reverse_arity:erd=off:random_seed=3080537705:i=131_2999 on theBenchmark for (2999ds/131Mi)
% 0.09/0.15 % (241971)WARNING: Not using 'newcnf' as currently not compatible with higher-order inputs.
% 0.09/0.15 % (241973)ott-3_16_to=lpo:sil=16000:sp=arity:fd=off:rp=on:random_seed=3528493825:i=159:bs=unit_only:nicw=on:fsr=off:amm=off_2999 on theBenchmark for (2999ds/159Mi)
% 0.09/0.15 % (241970) found proof, printing to "/export/starexec/sandbox2/tmp/vampire-proof-241955-241970"...
% 0.09/0.15 % (241968) found proof, printing to "/export/starexec/sandbox2/tmp/vampire-proof-241955-241968"...
% 0.09/0.15 % (241971) found proof, printing to "/export/starexec/sandbox2/tmp/vampire-proof-241955-241971"...
% 0.09/0.15 % (241969) found proof, printing to "/export/starexec/sandbox2/tmp/vampire-proof-241955-241969"...
% 0.09/0.15 % (241972) found proof, printing to "/export/starexec/sandbox2/tmp/vampire-proof-241955-241972"...
% 0.09/0.15 % (241973) found proof, printing to "/export/starexec/sandbox2/tmp/vampire-proof-241955-241973"...
% 0.09/0.15 % (241968)...printing done.
% 0.09/0.15 % (241970)...printing done.
% 0.09/0.15 % (241971)...printing done.
% 0.09/0.15 % (241969)...printing done.
% 0.09/0.15 % (241968)Refutation found. Thanks to Tanya!
% 0.09/0.15 % SZS status Theorem for theBenchmark
% 0.09/0.15 % SZS output start Proof for theBenchmark
% See solution above
% 0.09/0.15 % (241968)------------------------------
% 0.09/0.15 % (241968)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 0.09/0.15 % (241968)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 0.09/0.15 % (241968)CaDiCaL version: 2.1.3
% 0.09/0.15 % (241968)Termination reason: Refutation
% 0.09/0.15 % (241968)Time elapsed: 0.001 s
% 0.09/0.15 % (241968)Peak memory usage: 12 MB
% 0.09/0.15 % (241968)Instructions burned: 1 (million)
% 0.09/0.15 % (241955)Success in time 0.024 s
% 0.09/0.15 % Vampire exiting
%------------------------------------------------------------------------------