TSTP Solution File: SET604+3 by SnakeForV---1.0
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%------------------------------------------------------------------------------
% File : SnakeForV---1.0
% Problem : SET604+3 : TPTP v8.1.0. Released v2.2.0.
% Transfm : none
% Format : tptp:raw
% Command : vampire --input_syntax tptp --proof tptp --output_axiom_names on --mode portfolio --schedule snake_tptp_uns --cores 0 -t %d %s
% Computer : n025.cluster.edu
% Model : x86_64 x86_64
% CPU : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory : 8042.1875MB
% OS : Linux 3.10.0-693.el7.x86_64
% CPULimit : 300s
% WCLimit : 300s
% DateTime : Wed Aug 31 18:21:34 EDT 2022
% Result : Theorem 0.19s 0.51s
% Output : Refutation 0.19s
% Verified :
% SZS Type : Refutation
% Derivation depth : 7
% Number of leaves : 5
% Syntax : Number of formulae : 18 ( 11 unt; 0 def)
% Number of atoms : 29 ( 18 equ)
% Maximal formula atoms : 4 ( 1 avg)
% Number of connectives : 24 ( 13 ~; 6 |; 2 &)
% ( 2 <=>; 1 =>; 0 <=; 0 <~>)
% Maximal formula depth : 6 ( 3 avg)
% Maximal term depth : 2 ( 1 avg)
% Number of predicates : 3 ( 1 usr; 1 prp; 0-2 aty)
% Number of functors : 4 ( 4 usr; 3 con; 0-2 aty)
% Number of variables : 16 ( 14 !; 2 ?)
% Comments :
%------------------------------------------------------------------------------
fof(f64,plain,
$false,
inference(subsumption_resolution,[],[f63,f48]) ).
fof(f48,plain,
empty_set != sF2,
inference(definition_folding,[],[f42,f47]) ).
fof(f47,plain,
sF2 = difference(empty_set,sK1),
introduced(function_definition,[]) ).
fof(f42,plain,
empty_set != difference(empty_set,sK1),
inference(cnf_transformation,[],[f27]) ).
fof(f27,plain,
empty_set != difference(empty_set,sK1),
inference(skolemisation,[status(esa),new_symbols(skolem,[sK1])],[f16,f26]) ).
fof(f26,plain,
( ? [X0] : empty_set != difference(empty_set,X0)
=> empty_set != difference(empty_set,sK1) ),
introduced(choice_axiom,[]) ).
fof(f16,plain,
? [X0] : empty_set != difference(empty_set,X0),
inference(ennf_transformation,[],[f10]) ).
fof(f10,negated_conjecture,
~ ! [X0] : empty_set = difference(empty_set,X0),
inference(negated_conjecture,[],[f9]) ).
fof(f9,conjecture,
! [X0] : empty_set = difference(empty_set,X0),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_no_difference_with_empty_set) ).
fof(f63,plain,
empty_set = sF2,
inference(subsumption_resolution,[],[f60,f36]) ).
fof(f36,plain,
! [X0] : subset(empty_set,X0),
inference(cnf_transformation,[],[f1]) ).
fof(f1,axiom,
! [X0] : subset(empty_set,X0),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',empty_set_subset) ).
fof(f60,plain,
( ~ subset(empty_set,sK1)
| empty_set = sF2 ),
inference(superposition,[],[f47,f43]) ).
fof(f43,plain,
! [X0,X1] :
( empty_set = difference(X0,X1)
| ~ subset(X0,X1) ),
inference(cnf_transformation,[],[f29]) ).
fof(f29,plain,
! [X0,X1] :
( ( subset(X0,X1)
| empty_set != difference(X0,X1) )
& ( empty_set = difference(X0,X1)
| ~ subset(X0,X1) ) ),
inference(rectify,[],[f28]) ).
fof(f28,plain,
! [X1,X0] :
( ( subset(X1,X0)
| empty_set != difference(X1,X0) )
& ( empty_set = difference(X1,X0)
| ~ subset(X1,X0) ) ),
inference(nnf_transformation,[],[f12]) ).
fof(f12,plain,
! [X1,X0] :
( subset(X1,X0)
<=> empty_set = difference(X1,X0) ),
inference(rectify,[],[f2]) ).
fof(f2,axiom,
! [X1,X0] :
( subset(X0,X1)
<=> empty_set = difference(X0,X1) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',difference_empty_set) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.12 % Problem : SET604+3 : TPTP v8.1.0. Released v2.2.0.
% 0.13/0.13 % Command : vampire --input_syntax tptp --proof tptp --output_axiom_names on --mode portfolio --schedule snake_tptp_uns --cores 0 -t %d %s
% 0.13/0.34 % Computer : n025.cluster.edu
% 0.13/0.34 % Model : x86_64 x86_64
% 0.13/0.34 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.34 % Memory : 8042.1875MB
% 0.13/0.34 % OS : Linux 3.10.0-693.el7.x86_64
% 0.13/0.34 % CPULimit : 300
% 0.13/0.34 % WCLimit : 300
% 0.13/0.34 % DateTime : Tue Aug 30 14:13:15 EDT 2022
% 0.13/0.34 % CPUTime :
% 0.19/0.49 % (22931)dis+1002_1:12_drc=off:fd=preordered:tgt=full:i=99978:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/99978Mi)
% 0.19/0.50 % (22946)lrs+10_1:1_drc=off:sp=reverse_frequency:spb=goal:to=lpo:i=7:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/7Mi)
% 0.19/0.50 % (22931)First to succeed.
% 0.19/0.51 % (22954)dis+10_1:1_av=off:sos=on:sp=reverse_arity:ss=included:st=2.0:to=lpo:urr=ec_only:i=45:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/45Mi)
% 0.19/0.51 % (22931)Refutation found. Thanks to Tanya!
% 0.19/0.51 % SZS status Theorem for theBenchmark
% 0.19/0.51 % SZS output start Proof for theBenchmark
% See solution above
% 0.19/0.51 % (22931)------------------------------
% 0.19/0.51 % (22931)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 0.19/0.51 % (22931)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 0.19/0.51 % (22931)Termination reason: Refutation
% 0.19/0.51
% 0.19/0.51 % (22931)Memory used [KB]: 5884
% 0.19/0.51 % (22931)Time elapsed: 0.095 s
% 0.19/0.51 % (22931)Instructions burned: 2 (million)
% 0.19/0.51 % (22931)------------------------------
% 0.19/0.51 % (22931)------------------------------
% 0.19/0.51 % (22930)Success in time 0.158 s
%------------------------------------------------------------------------------