%------------------------------------------------------------------------------
% File : iProver---3.9.4
% Problem : SEU295+1 : TPTP v9.3.1. Released v3.3.0.
% Transfm : none
% Format : tptp:raw
% Command : run_iprover 300 /export/starexec/sandbox2/benchmark/theBenchmark.p THM
% 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 : Fri Sep 25 02:56:31 PM UTC 2026
% Result : Theorem 2.17s 1.16s
% Output : CNFRefutation 2.17s
% Verified :
% SZS Type : Refutation
% Derivation depth : 7
% Number of leaves : 3
% Syntax : Number of formulae : 17 ( 8 unt; 1 def)
% Number of atoms : 29 ( 1 equ)
% Maximal formula atoms : 2 ( 1 avg)
% Number of connectives : 19 ( 10 ~; 4 |; 2 &)
% ( 0 <=>; 3 =>; 0 <=; 0 <~>)
% Maximal formula depth : 5 ( 3 avg)
% Maximal term depth : 2 ( 1 avg)
% Number of types : 1 ( 0 usr)
% Number of type conns : 0 ( 0 >; 0 *; 0 +; 0 <<)
% Number of predicates : 4 ( 2 usr; 2 prp; 0-2 aty)
% Number of functors : 3 ( 3 usr; 2 con; 0-2 aty)
% Number of variables : 14 ( 0 sgn 12 !; 2 ?; 2 :)
% Comments :
%------------------------------------------------------------------------------
fof(f19,axiom,
! [X0,X1] :
( finite(X0)
=> finite(set_intersection2(X0,X1)) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc11_finset_1) ).
fof(f47,conjecture,
! [X0,X1] :
( finite(X0)
=> finite(set_intersection2(X0,X1)) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t15_finset_1) ).
fof(f48,negated_conjecture,
~ ! [X0,X1] :
( finite(X0)
=> finite(set_intersection2(X0,X1)) ),
inference(negated_conjecture,[status(cth)],[f47]) ).
fof(f88,plain,
! [X0,X1] :
( ~ finite(X0)
| finite(set_intersection2(X0,X1)) ),
inference(ennf_transformation,[],[f19]) ).
fof(f95,plain,
? [X0,X1] :
( finite(X0)
& ~ finite(set_intersection2(X0,X1)) ),
inference(ennf_transformation,[],[f48]) ).
fof(f124,plain,
( finite(sK19)
& ~ finite(set_intersection2(sK19,sK20)) ),
inference(skolemize,[status(esa),new_symbols(skolem,[sK19,sK20]),skolemize(X0,sK19),skolemize(X1,sK20)],[f95]) ).
fof(f148,plain,
! [X0,X1] :
( ~ finite(X0)
| finite(set_intersection2(X0,X1)) ),
inference(cnf_transformation,[],[f88]) ).
fof(f215,plain,
finite(sK19),
inference(cnf_transformation,[],[f124]) ).
fof(f216,plain,
~ finite(set_intersection2(sK19,sK20)),
inference(cnf_transformation,[],[f124]) ).
tcf(c_68,plain,
! [X0: $i,X1: $i] :
( finite(set_intersection2(X0,X1))
| ~ finite(X0) ),
inference(cnf_transformation,[],[f148]) ).
tcf(c_135,negated_conjecture,
~ finite(set_intersection2(sK19,sK20)),
inference(cnf_transformation,[],[f216]) ).
tcf(c_136,negated_conjecture,
finite(sK19),
inference(cnf_transformation,[],[f215]) ).
tcf(c_1640,definition,
iPr_def_10 = set_intersection2(sK19,sK20),
introduced(definition,[new_symbols(definition,[iPr_def_10])],[]) ).
tcf(c_1641,negated_conjecture,
finite(sK19),
inference(demodulation,[status(thm)],[c_136]) ).
tcf(c_1642,negated_conjecture,
~ finite(iPr_def_10),
inference(demodulation,[status(thm)],[c_135,c_1640]) ).
tcf(c_2304,plain,
( finite(iPr_def_10)
| ~ finite(sK19) ),
inference(superposition,[status(thm)],[c_1640,c_68]) ).
tcf(c_2307,plain,
$false,
inference(forward_subsumption_resolution,[status(thm)],[c_2304,c_1642,c_1641]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : SEU295+1 : TPTP v9.3.1. Released v3.3.0.
% 0.00/0.04 % Command : run_iprover 300 /export/starexec/sandbox2/benchmark/theBenchmark.p THM
% 0.08/0.35 % Computer : n006.cluster.edu
% 0.08/0.35 % Model : x86_64 x86_64
% 0.08/0.35 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.08/0.35 % Memory : 8046.5625MB
% 0.08/0.35 % OS : Linux 6.8.0-71-generic
% 0.08/0.35 % CPULimit : 300
% 0.08/0.35 % WCLimit : 300
% 0.08/0.35 % DateTime : Thu Sep 24 13:34:41 UTC 2026
% 0.12/0.36 % CPUTime :
% 0.12/0.36 Running run_iprover 300 /export/starexec/sandbox2/benchmark/theBenchmark.p THM
% 0.12/0.39 Running first-order theorem proving
% 0.12/0.39 Running: /export/starexec/sandbox2/solver/bin/iproveropt-multi-core.sh -d -n -l tptp -s fof_schedule -t 300 /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.12/0.40
% 0.12/0.40 % ======== iProver multi-core TPTP/SMT =========
% 0.12/0.40
% 0.12/0.40 % Detected problem language: tptp
% 0.12/0.41 % Proving...
% 2.17/1.16 % SZS status Started for theBenchmark.p
% 2.17/1.16 % SZS status Theorem for theBenchmark.p
% 2.17/1.16
% 2.17/1.16 %---------------- iProver v3.9.4 (pre CASC 2026/SMT-COMP 2026) ----------------%
% 2.17/1.16
% 2.17/1.16 % ------ iProver source info
% 2.17/1.16
% 2.17/1.16 % git: date: 2026-07-19 20:42:38 +0200
% 2.17/1.16 % git: sha1: 804e7d636a263075307957e923b7a22a4035de61
% 2.17/1.16 % git: non_committed_changes: false
% 2.17/1.16
% 2.17/1.16 % ------ Parsing...
% 2.17/1.16 % ------ Clausification by vclausify_rel & Parsing by iProver...%
% 2.17/1.16
% 2.17/1.16 % ------ Preprocessing... sup_sim: 0 sf_s rm: 53 0s sf_e pe_s pe_e sup_sim: 0 sf_s rm: 6 0s sf_e pe_s pe_e %
% 2.17/1.16
% 2.17/1.16 % ------ Preprocessing... gs_s sp: 0 0s gs_e snvd_s sp: 0 0s snvd_e %
% 2.17/1.16
% 2.17/1.16 % ------ Preprocessing... sf_s rm: 1 0s sf_e sf_s rm: 0 0s sf_e
% 2.17/1.16 % ------ Proving...
% 2.17/1.16 % ------ Problem Properties
% 2.17/1.16
% 2.17/1.16 %
% 2.17/1.16 % clauses 45
% 2.17/1.16 % conjectures 2
% 2.17/1.16 % EPR 24
% 2.17/1.16 % Horn 41
% 2.17/1.16 % unary 26
% 2.17/1.16 % binary 14
% 2.17/1.16 % lits 69
% 2.17/1.16 % lits eq 6
% 2.17/1.16 % fd_pure 0
% 2.17/1.16 % fd_pseudo 0
% 2.17/1.16 % fd_cond 1
% 2.17/1.16 % fd_pseudo_cond 1
% 2.17/1.16 % AC symbols 0
% 2.17/1.16
% 2.17/1.16 % ------ Schedule dynamic 5 is on
% 2.17/1.16
% 2.17/1.16 % ------ Input Options "--resolution_flag false --inst_lit_sel_side none" Time Limit: 10.
% 2.17/1.16
% 2.17/1.16
% 2.17/1.16 % ------
% 2.17/1.16 % Current options:
% 2.17/1.16 % ------
% 2.17/1.16
% 2.17/1.16
% 2.17/1.16 %
% 2.17/1.16
% 2.17/1.16 % ------ Proving...
% 2.17/1.16 %
% 2.17/1.16
% 2.17/1.16 % SZS status Theorem for theBenchmark.p
% 2.17/1.16
% 2.17/1.16 % SZS output start CNFRefutation for theBenchmark.p
% See solution above
% 2.17/1.16
% 2.17/1.16
%------------------------------------------------------------------------------