TSTP Solution File: SET622+3 by iProver---3.8
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%------------------------------------------------------------------------------
% File : iProver---3.8
% Problem : SET622+3 : TPTP v8.1.2. Released v2.2.0.
% Transfm : none
% Format : tptp:raw
% Command : run_iprover %s %d THM
% Computer : n008.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 : Thu Aug 31 15:08:43 EDT 2023
% Result : Theorem 3.21s 1.16s
% Output : CNFRefutation 3.21s
% Verified :
% SZS Type : Refutation
% Derivation depth : 9
% Number of leaves : 7
% Syntax : Number of formulae : 28 ( 27 unt; 0 def)
% Number of atoms : 29 ( 28 equ)
% Maximal formula atoms : 2 ( 1 avg)
% Number of connectives : 11 ( 10 ~; 0 |; 0 &)
% ( 0 <=>; 1 =>; 0 <=; 0 <~>)
% Maximal formula depth : 6 ( 3 avg)
% Maximal term depth : 4 ( 2 avg)
% Number of predicates : 2 ( 0 usr; 1 prp; 0-2 aty)
% Number of functors : 7 ( 7 usr; 3 con; 0-2 aty)
% Number of variables : 57 ( 0 sgn; 30 !; 6 ?)
% Comments :
%------------------------------------------------------------------------------
fof(f1,axiom,
! [X0,X1,X2] : intersection(intersection(X0,X1),X2) = intersection(X0,intersection(X1,X2)),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',associativity_of_intersection) ).
fof(f2,axiom,
! [X0,X1,X2] : difference(X0,difference(X1,X2)) = union(difference(X0,X1),intersection(X0,X2)),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',difference_difference_union2) ).
fof(f3,axiom,
! [X0,X1] : symmetric_difference(X0,X1) = difference(union(X0,X1),intersection(X0,X1)),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',symmetric_difference_and_difference) ).
fof(f9,axiom,
! [X0,X1] : union(X0,X1) = union(X1,X0),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',commutativity_of_union) ).
fof(f10,axiom,
! [X0,X1] : intersection(X0,X1) = intersection(X1,X0),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',commutativity_of_intersection) ).
fof(f15,conjecture,
! [X0,X1,X2] : difference(X0,symmetric_difference(X1,X2)) = union(difference(X0,union(X1,X2)),intersection(intersection(X0,X1),X2)),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_th98) ).
fof(f16,negated_conjecture,
~ ! [X0,X1,X2] : difference(X0,symmetric_difference(X1,X2)) = union(difference(X0,union(X1,X2)),intersection(intersection(X0,X1),X2)),
inference(negated_conjecture,[],[f15]) ).
fof(f18,plain,
? [X0,X1,X2] : difference(X0,symmetric_difference(X1,X2)) != union(difference(X0,union(X1,X2)),intersection(intersection(X0,X1),X2)),
inference(ennf_transformation,[],[f16]) ).
fof(f35,plain,
( ? [X0,X1,X2] : difference(X0,symmetric_difference(X1,X2)) != union(difference(X0,union(X1,X2)),intersection(intersection(X0,X1),X2))
=> difference(sK2,symmetric_difference(sK3,sK4)) != union(difference(sK2,union(sK3,sK4)),intersection(intersection(sK2,sK3),sK4)) ),
introduced(choice_axiom,[]) ).
fof(f36,plain,
difference(sK2,symmetric_difference(sK3,sK4)) != union(difference(sK2,union(sK3,sK4)),intersection(intersection(sK2,sK3),sK4)),
inference(skolemisation,[status(esa),new_symbols(skolem,[sK2,sK3,sK4])],[f18,f35]) ).
fof(f37,plain,
! [X2,X0,X1] : intersection(intersection(X0,X1),X2) = intersection(X0,intersection(X1,X2)),
inference(cnf_transformation,[],[f1]) ).
fof(f38,plain,
! [X2,X0,X1] : difference(X0,difference(X1,X2)) = union(difference(X0,X1),intersection(X0,X2)),
inference(cnf_transformation,[],[f2]) ).
fof(f39,plain,
! [X0,X1] : symmetric_difference(X0,X1) = difference(union(X0,X1),intersection(X0,X1)),
inference(cnf_transformation,[],[f3]) ).
fof(f53,plain,
! [X0,X1] : union(X0,X1) = union(X1,X0),
inference(cnf_transformation,[],[f9]) ).
fof(f54,plain,
! [X0,X1] : intersection(X0,X1) = intersection(X1,X0),
inference(cnf_transformation,[],[f10]) ).
fof(f64,plain,
difference(sK2,symmetric_difference(sK3,sK4)) != union(difference(sK2,union(sK3,sK4)),intersection(intersection(sK2,sK3),sK4)),
inference(cnf_transformation,[],[f36]) ).
fof(f67,plain,
union(difference(sK2,union(sK3,sK4)),intersection(intersection(sK2,sK3),sK4)) != difference(sK2,difference(union(sK3,sK4),intersection(sK3,sK4))),
inference(definition_unfolding,[],[f64,f39]) ).
cnf(c_49,plain,
intersection(intersection(X0,X1),X2) = intersection(X0,intersection(X1,X2)),
inference(cnf_transformation,[],[f37]) ).
cnf(c_50,plain,
union(difference(X0,X1),intersection(X0,X2)) = difference(X0,difference(X1,X2)),
inference(cnf_transformation,[],[f38]) ).
cnf(c_64,plain,
union(X0,X1) = union(X1,X0),
inference(cnf_transformation,[],[f53]) ).
cnf(c_65,plain,
intersection(X0,X1) = intersection(X1,X0),
inference(cnf_transformation,[],[f54]) ).
cnf(c_73,negated_conjecture,
union(difference(sK2,union(sK3,sK4)),intersection(intersection(sK2,sK3),sK4)) != difference(sK2,difference(union(sK3,sK4),intersection(sK3,sK4))),
inference(cnf_transformation,[],[f67]) ).
cnf(c_90,negated_conjecture,
union(difference(sK2,union(sK3,sK4)),intersection(sK3,intersection(sK4,sK2))) != difference(sK2,difference(union(sK3,sK4),intersection(sK3,sK4))),
inference(theory_normalisation,[status(thm)],[c_73,c_49,c_65]) ).
cnf(c_253,plain,
union(intersection(sK3,intersection(sK4,sK2)),difference(sK2,union(sK3,sK4))) != difference(sK2,difference(union(sK3,sK4),intersection(sK3,sK4))),
inference(demodulation,[status(thm)],[c_90,c_64]) ).
cnf(c_979,plain,
union(difference(X0,X1),intersection(X2,X0)) = difference(X0,difference(X1,X2)),
inference(superposition,[status(thm)],[c_65,c_50]) ).
cnf(c_2456,plain,
union(difference(X0,X1),intersection(X2,intersection(X3,X0))) = difference(X0,difference(X1,intersection(X2,X3))),
inference(superposition,[status(thm)],[c_49,c_979]) ).
cnf(c_16292,plain,
union(intersection(X0,intersection(X1,X2)),difference(X2,X3)) = difference(X2,difference(X3,intersection(X0,X1))),
inference(superposition,[status(thm)],[c_2456,c_64]) ).
cnf(c_16356,plain,
$false,
inference(backward_subsumption_resolution,[status(thm)],[c_253,c_16292]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.12 % Problem : SET622+3 : TPTP v8.1.2. Released v2.2.0.
% 0.12/0.12 % Command : run_iprover %s %d THM
% 0.12/0.34 % Computer : n008.cluster.edu
% 0.12/0.34 % Model : x86_64 x86_64
% 0.12/0.34 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.34 % Memory : 8042.1875MB
% 0.12/0.34 % OS : Linux 3.10.0-693.el7.x86_64
% 0.12/0.34 % CPULimit : 300
% 0.12/0.34 % WCLimit : 300
% 0.12/0.34 % DateTime : Sat Aug 26 09:56:17 EDT 2023
% 0.12/0.34 % CPUTime :
% 0.19/0.46 Running first-order theorem proving
% 0.19/0.46 Running: /export/starexec/sandbox2/solver/bin/run_problem --schedule fof_schedule --no_cores 8 /export/starexec/sandbox2/benchmark/theBenchmark.p 300
% 3.21/1.16 % SZS status Started for theBenchmark.p
% 3.21/1.16 % SZS status Theorem for theBenchmark.p
% 3.21/1.16
% 3.21/1.16 %---------------- iProver v3.8 (pre SMT-COMP 2023/CASC 2023) ----------------%
% 3.21/1.16
% 3.21/1.16 ------ iProver source info
% 3.21/1.16
% 3.21/1.16 git: date: 2023-05-31 18:12:56 +0000
% 3.21/1.16 git: sha1: 8abddc1f627fd3ce0bcb8b4cbf113b3cc443d7b6
% 3.21/1.16 git: non_committed_changes: false
% 3.21/1.16 git: last_make_outside_of_git: false
% 3.21/1.16
% 3.21/1.16 ------ Parsing...
% 3.21/1.16 ------ Clausification by vclausify_rel & Parsing by iProver...
% 3.21/1.16
% 3.21/1.16 ------ Preprocessing... sup_sim: 2 sf_s rm: 1 0s sf_e pe_s pe_e sup_sim: 0 sf_s rm: 1 0s sf_e pe_s pe_e
% 3.21/1.16
% 3.21/1.16 ------ Preprocessing... gs_s sp: 0 0s gs_e snvd_s sp: 0 0s snvd_e
% 3.21/1.16
% 3.21/1.16 ------ Preprocessing... sf_s rm: 1 0s sf_e sf_s rm: 0 0s sf_e
% 3.21/1.16 ------ Proving...
% 3.21/1.16 ------ Problem Properties
% 3.21/1.16
% 3.21/1.16
% 3.21/1.16 clauses 22
% 3.21/1.16 conjectures 0
% 3.21/1.16 EPR 3
% 3.21/1.16 Horn 18
% 3.21/1.16 unary 7
% 3.21/1.16 binary 8
% 3.21/1.16 lits 44
% 3.21/1.16 lits eq 9
% 3.21/1.16 fd_pure 0
% 3.21/1.16 fd_pseudo 0
% 3.21/1.16 fd_cond 0
% 3.21/1.16 fd_pseudo_cond 3
% 3.21/1.16 AC symbols 1
% 3.21/1.16
% 3.21/1.16 ------ Schedule dynamic 5 is on
% 3.21/1.16
% 3.21/1.16 ------ no conjectures: strip conj schedule
% 3.21/1.16
% 3.21/1.16 ------ Input Options "--resolution_flag false --inst_lit_sel_side none" stripped conjectures Time Limit: 10.
% 3.21/1.16
% 3.21/1.16
% 3.21/1.16 ------
% 3.21/1.16 Current options:
% 3.21/1.16 ------
% 3.21/1.16
% 3.21/1.16
% 3.21/1.16
% 3.21/1.16
% 3.21/1.16 ------ Proving...
% 3.21/1.16
% 3.21/1.16
% 3.21/1.16 % SZS status Theorem for theBenchmark.p
% 3.21/1.16
% 3.21/1.16 % SZS output start CNFRefutation for theBenchmark.p
% See solution above
% 3.21/1.16
% 3.21/1.16
%------------------------------------------------------------------------------