%------------------------------------------------------------------------------
% File : iProver---3.9.4
% Problem : GEO201+2 : 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 : 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 : Fri Sep 25 01:20:18 PM UTC 2026
% Result : Theorem 0.59s 1.08s
% Output : CNFRefutation 0.59s
% Verified :
% SZS Type : Refutation
% Derivation depth : 9
% Number of leaves : 11
% Syntax : Number of formulae : 69 ( 22 unt; 2 def)
% Number of atoms : 256 ( 23 equ)
% Maximal formula atoms : 6 ( 3 avg)
% Number of connectives : 207 ( 90 ~; 105 |; 5 &)
% ( 0 <=>; 7 =>; 0 <=; 0 <~>)
% Maximal formula depth : 11 ( 5 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 : 8 ( 6 usr; 3 prp; 0-2 aty)
% Number of functors : 3 ( 3 usr; 2 con; 0-2 aty)
% Number of variables : 103 ( 0 sgn 101 !; 2 ?; 44 :)
% Comments :
%------------------------------------------------------------------------------
fof(f1,axiom,
! [X0] : ~ distinct_points(X0,X0),
file('/export/starexec/sandbox2/benchmark/Axioms/GEO008+0.ax',apart1) ).
fof(f3,axiom,
! [X0] : ~ convergent_lines(X0,X0),
file('/export/starexec/sandbox2/benchmark/Axioms/GEO008+0.ax',apart3) ).
fof(f6,axiom,
! [X0,X1,X2] :
( convergent_lines(X0,X1)
=> ( convergent_lines(X1,X2)
| convergent_lines(X0,X2) ) ),
file('/export/starexec/sandbox2/benchmark/Axioms/GEO008+0.ax',apart6) ).
fof(f8,axiom,
! [X0,X1,X2] :
( convergent_lines(X0,X1)
=> ( ( apart_point_and_line(X2,X1)
| apart_point_and_line(X2,X0) )
=> distinct_points(X2,intersection_point(X0,X1)) ) ),
file('/export/starexec/sandbox2/benchmark/Axioms/GEO008+0.ax',con2) ).
fof(f9,axiom,
! [X0,X1,X2,X3] :
( ( distinct_lines(X2,X3)
& distinct_points(X0,X1) )
=> ( apart_point_and_line(X1,X3)
| apart_point_and_line(X1,X2)
| apart_point_and_line(X0,X3)
| apart_point_and_line(X0,X2) ) ),
file('/export/starexec/sandbox2/benchmark/Axioms/GEO008+0.ax',cu1) ).
fof(f12,axiom,
! [X0,X1] :
( convergent_lines(X0,X1)
=> distinct_lines(X0,X1) ),
file('/export/starexec/sandbox2/benchmark/Axioms/GEO008+0.ax',ceq3) ).
fof(f13,conjecture,
! [X0,X1] :
( convergent_lines(X0,X1)
=> ~ distinct_points(intersection_point(X0,X1),intersection_point(X1,X0)) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',con) ).
fof(f14,negated_conjecture,
~ ! [X0,X1] :
( convergent_lines(X0,X1)
=> ~ distinct_points(intersection_point(X0,X1),intersection_point(X1,X0)) ),
inference(negated_conjecture,[status(cth)],[f13]) ).
fof(f19,plain,
! [X0,X1,X2] :
( ~ convergent_lines(X0,X1)
| convergent_lines(X1,X2)
| convergent_lines(X0,X2) ),
inference(ennf_transformation,[],[f6]) ).
fof(f20,plain,
! [X0,X1,X2] :
( ~ convergent_lines(X0,X1)
| convergent_lines(X1,X2)
| convergent_lines(X0,X2) ),
inference(flattening,[],[f19]) ).
fof(f23,plain,
! [X0,X1,X2] :
( ~ convergent_lines(X0,X1)
| ( ~ apart_point_and_line(X2,X1)
& ~ apart_point_and_line(X2,X0) )
| distinct_points(X2,intersection_point(X0,X1)) ),
inference(ennf_transformation,[],[f8]) ).
fof(f24,plain,
! [X0,X1,X2] :
( ~ convergent_lines(X0,X1)
| ( ~ apart_point_and_line(X2,X1)
& ~ apart_point_and_line(X2,X0) )
| distinct_points(X2,intersection_point(X0,X1)) ),
inference(flattening,[],[f23]) ).
fof(f25,plain,
! [X0,X1,X2,X3] :
( ~ distinct_lines(X2,X3)
| ~ distinct_points(X0,X1)
| apart_point_and_line(X1,X3)
| apart_point_and_line(X1,X2)
| apart_point_and_line(X0,X3)
| apart_point_and_line(X0,X2) ),
inference(ennf_transformation,[],[f9]) ).
fof(f26,plain,
! [X0,X1,X2,X3] :
( ~ distinct_lines(X2,X3)
| ~ distinct_points(X0,X1)
| apart_point_and_line(X1,X3)
| apart_point_and_line(X1,X2)
| apart_point_and_line(X0,X3)
| apart_point_and_line(X0,X2) ),
inference(flattening,[],[f25]) ).
fof(f31,plain,
! [X0,X1] :
( ~ convergent_lines(X0,X1)
| distinct_lines(X0,X1) ),
inference(ennf_transformation,[],[f12]) ).
fof(f32,plain,
? [X0,X1] :
( convergent_lines(X0,X1)
& distinct_points(intersection_point(X0,X1),intersection_point(X1,X0)) ),
inference(ennf_transformation,[],[f14]) ).
fof(f33,plain,
( convergent_lines(sK0,sK1)
& distinct_points(intersection_point(sK0,sK1),intersection_point(sK1,sK0)) ),
inference(skolemize,[status(esa),new_symbols(skolem,[sK0,sK1]),skolemize(X0,sK0),skolemize(X1,sK1)],[f32]) ).
fof(f34,plain,
! [X0] : ~ distinct_points(X0,X0),
inference(cnf_transformation,[],[f1]) ).
fof(f36,plain,
! [X0] : ~ convergent_lines(X0,X0),
inference(cnf_transformation,[],[f3]) ).
fof(f39,plain,
! [X2,X0,X1] :
( ~ convergent_lines(X0,X1)
| convergent_lines(X1,X2)
| convergent_lines(X0,X2) ),
inference(cnf_transformation,[],[f20]) ).
fof(f42,plain,
! [X2,X0,X1] :
( ~ convergent_lines(X0,X1)
| ~ apart_point_and_line(X2,X1)
| distinct_points(X2,intersection_point(X0,X1)) ),
inference(cnf_transformation,[],[f24]) ).
fof(f43,plain,
! [X2,X0,X1] :
( ~ convergent_lines(X0,X1)
| ~ apart_point_and_line(X2,X0)
| distinct_points(X2,intersection_point(X0,X1)) ),
inference(cnf_transformation,[],[f24]) ).
fof(f44,plain,
! [X2,X3,X0,X1] :
( ~ distinct_lines(X2,X3)
| ~ distinct_points(X0,X1)
| apart_point_and_line(X1,X3)
| apart_point_and_line(X1,X2)
| apart_point_and_line(X0,X3)
| apart_point_and_line(X0,X2) ),
inference(cnf_transformation,[],[f26]) ).
fof(f47,plain,
! [X0,X1] :
( ~ convergent_lines(X0,X1)
| distinct_lines(X0,X1) ),
inference(cnf_transformation,[],[f31]) ).
fof(f48,plain,
convergent_lines(sK0,sK1),
inference(cnf_transformation,[],[f33]) ).
fof(f49,plain,
distinct_points(intersection_point(sK0,sK1),intersection_point(sK1,sK0)),
inference(cnf_transformation,[],[f33]) ).
tcf(c_49,plain,
! [X0: $i] : ~ distinct_points(X0,X0),
inference(cnf_transformation,[],[f34]) ).
tcf(c_51,plain,
! [X0: $i] : ~ convergent_lines(X0,X0),
inference(cnf_transformation,[],[f36]) ).
tcf(c_54,plain,
! [X0: $i,X1: $i,X2: $i] :
( convergent_lines(X1,X2)
| convergent_lines(X0,X2)
| ~ convergent_lines(X0,X1) ),
inference(cnf_transformation,[],[f39]) ).
tcf(c_57,plain,
! [X0: $i,X1: $i,X2: $i] :
( distinct_points(X2,intersection_point(X0,X1))
| ~ apart_point_and_line(X2,X0)
| ~ convergent_lines(X0,X1) ),
inference(cnf_transformation,[],[f43]) ).
tcf(c_58,plain,
! [X0: $i,X1: $i,X2: $i] :
( distinct_points(X2,intersection_point(X0,X1))
| ~ apart_point_and_line(X2,X1)
| ~ convergent_lines(X0,X1) ),
inference(cnf_transformation,[],[f42]) ).
tcf(c_59,plain,
! [X0: $i,X1: $i,X2: $i,X3: $i] :
( apart_point_and_line(X1,X3)
| apart_point_and_line(X1,X2)
| apart_point_and_line(X0,X3)
| apart_point_and_line(X0,X2)
| ~ distinct_lines(X2,X3)
| ~ distinct_points(X0,X1) ),
inference(cnf_transformation,[],[f44]) ).
tcf(c_62,plain,
! [X0: $i,X1: $i] :
( distinct_lines(X0,X1)
| ~ convergent_lines(X0,X1) ),
inference(cnf_transformation,[],[f47]) ).
tcf(c_63,negated_conjecture,
distinct_points(intersection_point(sK0,sK1),intersection_point(sK1,sK0)),
inference(cnf_transformation,[],[f49]) ).
tcf(c_64,negated_conjecture,
convergent_lines(sK0,sK1),
inference(cnf_transformation,[],[f48]) ).
tcf(c_65,plain,
~ convergent_lines(sK0,sK0),
inference(instantiation,[status(thm)],[c_51]) ).
tcf(c_148,definition,
iPr_def_10 = intersection_point(sK0,sK1),
introduced(definition,[new_symbols(definition,[iPr_def_10])],[]) ).
tcf(c_149,definition,
iPr_def_11 = intersection_point(sK1,sK0),
introduced(definition,[new_symbols(definition,[iPr_def_11])],[]) ).
tcf(c_150,negated_conjecture,
convergent_lines(sK0,sK1),
inference(demodulation,[status(thm)],[c_64]) ).
tcf(c_151,negated_conjecture,
distinct_points(iPr_def_10,iPr_def_11),
inference(demodulation,[status(thm)],[c_63,c_149,c_148]) ).
tcf(c_152,plain,
! [X0: $i] : X0 = X0,
theory(equality) ).
tcf(c_155,plain,
! [X0: $i,X1: $i,X2: $i,X3: $i] :
( distinct_points(X0,X2)
| ~ distinct_points(X1,X3)
| ( X2 != X3 )
| ( X0 != X1 ) ),
theory(equality) ).
tcf(c_406,plain,
distinct_lines(sK0,sK1),
inference(superposition,[status(thm)],[c_150,c_62]) ).
tcf(c_429,plain,
! [X0: $i] :
( convergent_lines(sK1,X0)
| convergent_lines(sK0,X0) ),
inference(superposition,[status(thm)],[c_150,c_54]) ).
tcf(c_432,plain,
( convergent_lines(sK1,sK0)
| convergent_lines(sK0,sK0) ),
inference(instantiation,[status(thm)],[c_429]) ).
tcf(c_630,plain,
! [X0: $i] :
( distinct_points(X0,intersection_point(sK0,sK1))
| ~ convergent_lines(sK0,sK1)
| ~ apart_point_and_line(X0,sK0) ),
inference(instantiation,[status(thm)],[c_57]) ).
tcf(c_652,plain,
! [X0: $i] :
( distinct_points(X0,intersection_point(sK0,sK1))
| ~ convergent_lines(sK0,sK1)
| ~ apart_point_and_line(X0,sK1) ),
inference(instantiation,[status(thm)],[c_58]) ).
tcf(c_689,plain,
! [X0: $i,X1: $i] :
( apart_point_and_line(iPr_def_11,X1)
| apart_point_and_line(iPr_def_11,X0)
| apart_point_and_line(iPr_def_10,X1)
| apart_point_and_line(iPr_def_10,X0)
| ~ distinct_points(iPr_def_10,iPr_def_11)
| ~ distinct_lines(X0,X1) ),
inference(instantiation,[status(thm)],[c_59]) ).
tcf(c_741,plain,
~ distinct_points(iPr_def_10,iPr_def_10),
inference(instantiation,[status(thm)],[c_49]) ).
tcf(c_748,plain,
! [X0: $i,X1: $i,X2: $i] :
( distinct_points(X0,X1)
| ~ distinct_points(iPr_def_10,X2)
| ( X1 != X2 )
| ( X0 != iPr_def_10 ) ),
inference(instantiation,[status(thm)],[c_155]) ).
tcf(c_812,plain,
! [X0: $i,X1: $i] :
( distinct_points(X0,intersection_point(sK1,X1))
| ~ convergent_lines(sK1,X1)
| ~ apart_point_and_line(X0,X1) ),
inference(instantiation,[status(thm)],[c_58]) ).
tcf(c_813,plain,
! [X0: $i,X1: $i] :
( distinct_points(X1,intersection_point(sK1,X0))
| ~ apart_point_and_line(X1,sK1)
| ~ convergent_lines(sK1,X0) ),
inference(instantiation,[status(thm)],[c_57]) ).
tcf(c_1032,plain,
iPr_def_10 = iPr_def_10,
inference(instantiation,[status(thm)],[c_152]) ).
tcf(c_1126,plain,
( apart_point_and_line(iPr_def_11,sK1)
| apart_point_and_line(iPr_def_11,sK0)
| apart_point_and_line(iPr_def_10,sK1)
| apart_point_and_line(iPr_def_10,sK0)
| ~ distinct_lines(sK0,sK1)
| ~ distinct_points(iPr_def_10,iPr_def_11) ),
inference(instantiation,[status(thm)],[c_689]) ).
tcf(c_1204,plain,
( distinct_points(iPr_def_10,intersection_point(sK0,sK1))
| ~ apart_point_and_line(iPr_def_10,sK1)
| ~ convergent_lines(sK0,sK1) ),
inference(instantiation,[status(thm)],[c_652]) ).
tcf(c_1636,plain,
! [X0: $i,X1: $i,X2: $i] :
( distinct_points(X0,X1)
| ~ distinct_points(iPr_def_11,X2)
| ( X1 != X2 )
| ( X0 != iPr_def_11 ) ),
inference(instantiation,[status(thm)],[c_155]) ).
tcf(c_1771,plain,
( distinct_points(iPr_def_10,intersection_point(sK0,sK1))
| ~ apart_point_and_line(iPr_def_10,sK0)
| ~ convergent_lines(sK0,sK1) ),
inference(instantiation,[status(thm)],[c_630]) ).
tcf(c_2124,plain,
( distinct_points(iPr_def_11,intersection_point(sK1,sK0))
| ~ apart_point_and_line(iPr_def_11,sK0)
| ~ convergent_lines(sK1,sK0) ),
inference(instantiation,[status(thm)],[c_812]) ).
tcf(c_2391,plain,
~ distinct_points(iPr_def_11,iPr_def_11),
inference(instantiation,[status(thm)],[c_49]) ).
tcf(c_2544,plain,
! [X0: $i,X1: $i] :
( distinct_points(iPr_def_11,X0)
| ~ distinct_points(iPr_def_11,X1)
| ( iPr_def_11 != iPr_def_11 )
| ( X0 != X1 ) ),
inference(instantiation,[status(thm)],[c_1636]) ).
tcf(c_2545,plain,
iPr_def_11 = iPr_def_11,
inference(instantiation,[status(thm)],[c_152]) ).
tcf(c_3162,plain,
! [X0: $i] :
( distinct_points(iPr_def_11,intersection_point(sK1,X0))
| ~ apart_point_and_line(iPr_def_11,sK1)
| ~ convergent_lines(sK1,X0) ),
inference(instantiation,[status(thm)],[c_813]) ).
tcf(c_3164,plain,
( distinct_points(iPr_def_11,intersection_point(sK1,sK0))
| ~ apart_point_and_line(iPr_def_11,sK1)
| ~ convergent_lines(sK1,sK0) ),
inference(instantiation,[status(thm)],[c_3162]) ).
tcf(c_3451,plain,
! [X0: $i,X1: $i] :
( distinct_points(iPr_def_10,X0)
| ~ distinct_points(iPr_def_10,X1)
| ( iPr_def_10 != iPr_def_10 )
| ( X0 != X1 ) ),
inference(instantiation,[status(thm)],[c_748]) ).
tcf(c_5377,plain,
! [X0: $i] :
( distinct_points(iPr_def_11,iPr_def_11)
| ~ distinct_points(iPr_def_11,X0)
| ( iPr_def_11 != iPr_def_11 )
| ( iPr_def_11 != X0 ) ),
inference(instantiation,[status(thm)],[c_2544]) ).
tcf(c_5482,plain,
! [X0: $i] :
( distinct_points(iPr_def_10,iPr_def_10)
| ~ distinct_points(iPr_def_10,X0)
| ( iPr_def_10 != iPr_def_10 )
| ( iPr_def_10 != X0 ) ),
inference(instantiation,[status(thm)],[c_3451]) ).
tcf(c_6722,plain,
( distinct_points(iPr_def_10,iPr_def_10)
| ~ distinct_points(iPr_def_10,intersection_point(sK0,sK1))
| ( iPr_def_10 != iPr_def_10 )
| ( iPr_def_10 != intersection_point(sK0,sK1) ) ),
inference(instantiation,[status(thm)],[c_5482]) ).
tcf(c_7612,plain,
( distinct_points(iPr_def_11,iPr_def_11)
| ~ distinct_points(iPr_def_11,intersection_point(sK1,sK0))
| ( iPr_def_11 != iPr_def_11 )
| ( iPr_def_11 != intersection_point(sK1,sK0) ) ),
inference(instantiation,[status(thm)],[c_5377]) ).
tcf(c_7613,plain,
$false,
inference(prop_impl_just,[status(thm)],[c_7612,c_6722,c_3164,c_2545,c_2391,c_2124,c_1771,c_1204,c_1126,c_1032,c_741,c_432,c_406,c_151,c_149,c_148,c_65,c_64]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.01 % Problem : GEO201+2 : TPTP v9.3.1. Released v3.3.0.
% 0.00/0.02 % Command : run_iprover 300 /export/starexec/sandbox2/benchmark/theBenchmark.p THM
% 0.04/0.30 % Computer : n012.cluster.edu
% 0.04/0.30 % Model : x86_64 x86_64
% 0.04/0.30 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.04/0.30 % Memory : 8046.5625MB
% 0.04/0.30 % OS : Linux 6.8.0-71-generic
% 0.04/0.30 % CPULimit : 300
% 0.04/0.30 % WCLimit : 300
% 0.04/0.30 % DateTime : Wed Sep 23 11:26:51 UTC 2026
% 0.04/0.30 % CPUTime :
% 0.04/0.30 Running run_iprover 300 /export/starexec/sandbox2/benchmark/theBenchmark.p THM
% 0.04/0.33 Running first-order theorem proving
% 0.04/0.33 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
% 0.04/0.33
% 0.04/0.33 % ======== iProver multi-core TPTP/SMT =========
% 0.04/0.33
% 0.04/0.33 % Detected problem language: tptp
% 0.04/0.34 % Proving...
% 0.59/1.08 % SZS status Started for theBenchmark.p
% 0.59/1.08 % SZS status Theorem for theBenchmark.p
% 0.59/1.08
% 0.59/1.08 %---------------- iProver v3.9.4 (pre CASC 2026/SMT-COMP 2026) ----------------%
% 0.59/1.08
% 0.59/1.08 % ------ iProver source info
% 0.59/1.08
% 0.59/1.08 % git: date: 2026-07-19 20:42:38 +0200
% 0.59/1.08 % git: sha1: 804e7d636a263075307957e923b7a22a4035de61
% 0.59/1.08 % git: non_committed_changes: false
% 0.59/1.08
% 0.59/1.08 % ------ Parsing...
% 0.59/1.08 % ------ Clausification by vclausify_rel & Parsing by iProver...%
% 0.59/1.08
% 0.59/1.08 % ------ Preprocessing... sf_s rm: 0 0s sf_e pe_s pe_e %
% 0.59/1.08
% 0.59/1.08 % ------ Preprocessing... gs_s sp: 0 0s gs_e snvd_s sp: 0 0s snvd_e %
% 0.59/1.08
% 0.59/1.08 % ------ Preprocessing... sf_s rm: 1 0s sf_e sf_s rm: 0 0s sf_e
% 0.59/1.08 % ------ Proving...
% 0.59/1.08 % ------ Problem Properties
% 0.59/1.08
% 0.59/1.08 %
% 0.59/1.08 % clauses 18
% 0.59/1.08 % conjectures 2
% 0.59/1.08 % EPR 12
% 0.59/1.08 % Horn 12
% 0.59/1.08 % unary 7
% 0.59/1.08 % binary 1
% 0.59/1.08 % lits 42
% 0.59/1.08 % lits eq 2
% 0.59/1.08 % fd_pure 0
% 0.59/1.08 % fd_pseudo 0
% 0.59/1.08 % fd_cond 0
% 0.59/1.08 % fd_pseudo_cond 0
% 0.59/1.08 % AC symbols 0
% 0.59/1.08
% 0.59/1.08 % ------ Schedule dynamic 5 is on
% 0.59/1.08
% 0.59/1.08 % ------ Input Options "--resolution_flag false --inst_lit_sel_side none" Time Limit: 10.
% 0.59/1.08
% 0.59/1.08
% 0.59/1.08 % ------
% 0.59/1.08 % Current options:
% 0.59/1.08 % ------
% 0.59/1.08
% 0.59/1.08
% 0.59/1.08 %
% 0.59/1.08
% 0.59/1.08 % ------ Proving...
% 0.59/1.08 %
% 0.59/1.08
% 0.59/1.08 % SZS status Theorem for theBenchmark.p
% 0.59/1.08
% 0.59/1.08 % SZS output start CNFRefutation for theBenchmark.p
% See solution above
% 0.59/1.08
% 0.59/1.08
%------------------------------------------------------------------------------