%------------------------------------------------------------------------------
% File : iProver---3.9.4
% Problem : GEO177+1 : TPTP v9.3.1. Released v3.3.0.
% Transfm : none
% Format : tptp:raw
% Command : run_iprover 300 /export/starexec/sandbox/benchmark/theBenchmark.p THM
% Computer : n003.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 01:20:07 PM UTC 2026
% Result : Theorem 2.78s 6.31s
% Output : CNFRefutation 2.78s
% Verified :
% SZS Type : Refutation
% Derivation depth : 17
% Number of leaves : 7
% Syntax : Number of formulae : 59 ( 20 unt; 2 def)
% Number of atoms : 187 ( 2 equ)
% Maximal formula atoms : 6 ( 3 avg)
% Number of connectives : 151 ( 52 ~; 76 |; 15 &)
% ( 0 <=>; 8 =>; 0 <=; 0 <~>)
% Maximal formula depth : 11 ( 4 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 : 7 ( 5 usr; 3 prp; 0-2 aty)
% Number of functors : 5 ( 5 usr; 4 con; 0-2 aty)
% Number of variables : 75 ( 0 sgn 67 !; 8 ?; 19 :)
% Comments :
%------------------------------------------------------------------------------
fof(f7,axiom,
! [X0,X1] :
( distinct_points(X0,X1)
=> ~ apart_point_and_line(X0,line_connecting(X0,X1)) ),
file('/export/starexec/sandbox/benchmark/Axioms/GEO006+0.ax',ci1) ).
fof(f8,axiom,
! [X0,X1] :
( distinct_points(X0,X1)
=> ~ apart_point_and_line(X1,line_connecting(X0,X1)) ),
file('/export/starexec/sandbox/benchmark/Axioms/GEO006+0.ax',ci2) ).
fof(f11,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/sandbox/benchmark/Axioms/GEO006+0.ax',cu1) ).
fof(f13,axiom,
! [X0,X1,X2] :
( apart_point_and_line(X0,X1)
=> ( apart_point_and_line(X0,X2)
| distinct_lines(X1,X2) ) ),
file('/export/starexec/sandbox/benchmark/Axioms/GEO006+0.ax',ceq2) ).
fof(f15,conjecture,
! [X0,X1,X2,X3] :
( ( distinct_points(X2,X3)
& distinct_points(X0,X1) )
=> ( ( apart_point_and_line(X1,line_connecting(X2,X3))
| apart_point_and_line(X0,line_connecting(X2,X3)) )
=> ( apart_point_and_line(X3,line_connecting(X0,X1))
| apart_point_and_line(X2,line_connecting(X0,X1)) ) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',con) ).
fof(f16,negated_conjecture,
~ ! [X0,X1,X2,X3] :
( ( distinct_points(X2,X3)
& distinct_points(X0,X1) )
=> ( ( apart_point_and_line(X1,line_connecting(X2,X3))
| apart_point_and_line(X0,line_connecting(X2,X3)) )
=> ( apart_point_and_line(X3,line_connecting(X0,X1))
| apart_point_and_line(X2,line_connecting(X0,X1)) ) ) ),
inference(negated_conjecture,[status(cth)],[f15]) ).
fof(f23,plain,
! [X0,X1] :
( ~ distinct_points(X0,X1)
| ~ apart_point_and_line(X0,line_connecting(X0,X1)) ),
inference(ennf_transformation,[],[f7]) ).
fof(f24,plain,
! [X0,X1] :
( ~ distinct_points(X0,X1)
| ~ apart_point_and_line(X1,line_connecting(X0,X1)) ),
inference(ennf_transformation,[],[f8]) ).
fof(f27,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,[],[f11]) ).
fof(f28,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,[],[f27]) ).
fof(f31,plain,
! [X0,X1,X2] :
( ~ apart_point_and_line(X0,X1)
| apart_point_and_line(X0,X2)
| distinct_lines(X1,X2) ),
inference(ennf_transformation,[],[f13]) ).
fof(f32,plain,
! [X0,X1,X2] :
( ~ apart_point_and_line(X0,X1)
| apart_point_and_line(X0,X2)
| distinct_lines(X1,X2) ),
inference(flattening,[],[f31]) ).
fof(f35,plain,
? [X0,X1,X2,X3] :
( distinct_points(X2,X3)
& distinct_points(X0,X1)
& ( apart_point_and_line(X1,line_connecting(X2,X3))
| apart_point_and_line(X0,line_connecting(X2,X3)) )
& ~ apart_point_and_line(X3,line_connecting(X0,X1))
& ~ apart_point_and_line(X2,line_connecting(X0,X1)) ),
inference(ennf_transformation,[],[f16]) ).
fof(f36,plain,
? [X0,X1,X2,X3] :
( distinct_points(X2,X3)
& distinct_points(X0,X1)
& ( apart_point_and_line(X1,line_connecting(X2,X3))
| apart_point_and_line(X0,line_connecting(X2,X3)) )
& ~ apart_point_and_line(X3,line_connecting(X0,X1))
& ~ apart_point_and_line(X2,line_connecting(X0,X1)) ),
inference(flattening,[],[f35]) ).
fof(f37,plain,
( distinct_points(sK2,sK3)
& distinct_points(sK0,sK1)
& ( apart_point_and_line(sK1,line_connecting(sK2,sK3))
| apart_point_and_line(sK0,line_connecting(sK2,sK3)) )
& ~ apart_point_and_line(sK3,line_connecting(sK0,sK1))
& ~ apart_point_and_line(sK2,line_connecting(sK0,sK1)) ),
inference(skolemize,[status(esa),new_symbols(skolem,[sK0,sK1,sK2,sK3]),skolemize(X0,sK0),skolemize(X1,sK1),skolemize(X2,sK2),skolemize(X3,sK3)],[f36]) ).
fof(f44,plain,
! [X0,X1] :
( ~ distinct_points(X0,X1)
| ~ apart_point_and_line(X0,line_connecting(X0,X1)) ),
inference(cnf_transformation,[],[f23]) ).
fof(f45,plain,
! [X0,X1] :
( ~ distinct_points(X0,X1)
| ~ apart_point_and_line(X1,line_connecting(X0,X1)) ),
inference(cnf_transformation,[],[f24]) ).
fof(f48,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,[],[f28]) ).
fof(f50,plain,
! [X2,X0,X1] :
( ~ apart_point_and_line(X0,X1)
| apart_point_and_line(X0,X2)
| distinct_lines(X1,X2) ),
inference(cnf_transformation,[],[f32]) ).
fof(f52,plain,
distinct_points(sK2,sK3),
inference(cnf_transformation,[],[f37]) ).
fof(f53,plain,
distinct_points(sK0,sK1),
inference(cnf_transformation,[],[f37]) ).
fof(f54,plain,
( apart_point_and_line(sK1,line_connecting(sK2,sK3))
| apart_point_and_line(sK0,line_connecting(sK2,sK3)) ),
inference(cnf_transformation,[],[f37]) ).
fof(f55,plain,
~ apart_point_and_line(sK3,line_connecting(sK0,sK1)),
inference(cnf_transformation,[],[f37]) ).
fof(f56,plain,
~ apart_point_and_line(sK2,line_connecting(sK0,sK1)),
inference(cnf_transformation,[],[f37]) ).
tcf(c_55,plain,
! [X0: $i,X1: $i] :
( ~ distinct_points(X0,X1)
| ~ apart_point_and_line(X0,line_connecting(X0,X1)) ),
inference(cnf_transformation,[],[f44]) ).
tcf(c_56,plain,
! [X0: $i,X1: $i] :
( ~ distinct_points(X1,X0)
| ~ apart_point_and_line(X0,line_connecting(X1,X0)) ),
inference(cnf_transformation,[],[f45]) ).
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,[],[f48]) ).
tcf(c_61,plain,
! [X0: $i,X1: $i,X2: $i] :
( apart_point_and_line(X0,X2)
| distinct_lines(X1,X2)
| ~ apart_point_and_line(X0,X1) ),
inference(cnf_transformation,[],[f50]) ).
tcf(c_63,negated_conjecture,
~ apart_point_and_line(sK2,line_connecting(sK0,sK1)),
inference(cnf_transformation,[],[f56]) ).
tcf(c_64,negated_conjecture,
~ apart_point_and_line(sK3,line_connecting(sK0,sK1)),
inference(cnf_transformation,[],[f55]) ).
tcf(c_65,negated_conjecture,
( apart_point_and_line(sK1,line_connecting(sK2,sK3))
| apart_point_and_line(sK0,line_connecting(sK2,sK3)) ),
inference(cnf_transformation,[],[f54]) ).
tcf(c_66,negated_conjecture,
distinct_points(sK0,sK1),
inference(cnf_transformation,[],[f53]) ).
tcf(c_67,negated_conjecture,
distinct_points(sK2,sK3),
inference(cnf_transformation,[],[f52]) ).
tcf(c_213,definition,
iPr_def_10 = line_connecting(sK2,sK3),
introduced(definition,[new_symbols(definition,[iPr_def_10])],[]) ).
tcf(c_214,definition,
iPr_def_11 = line_connecting(sK0,sK1),
introduced(definition,[new_symbols(definition,[iPr_def_11])],[]) ).
tcf(c_215,negated_conjecture,
distinct_points(sK2,sK3),
inference(demodulation,[status(thm)],[c_67]) ).
tcf(c_216,negated_conjecture,
distinct_points(sK0,sK1),
inference(demodulation,[status(thm)],[c_66]) ).
tcf(c_217,negated_conjecture,
( apart_point_and_line(sK1,iPr_def_10)
| apart_point_and_line(sK0,iPr_def_10) ),
inference(demodulation,[status(thm)],[c_65,c_213]) ).
tcf(c_218,negated_conjecture,
~ apart_point_and_line(sK3,iPr_def_11),
inference(demodulation,[status(thm)],[c_64,c_214]) ).
tcf(c_219,negated_conjecture,
~ apart_point_and_line(sK2,iPr_def_11),
inference(demodulation,[status(thm)],[c_63]) ).
tcf(c_445,plain,
( ~ apart_point_and_line(sK0,iPr_def_11)
| ~ distinct_points(sK0,sK1) ),
inference(superposition,[status(thm)],[c_214,c_55]) ).
tcf(c_446,plain,
( ~ apart_point_and_line(sK2,iPr_def_10)
| ~ distinct_points(sK2,sK3) ),
inference(superposition,[status(thm)],[c_213,c_55]) ).
tcf(c_447,plain,
~ apart_point_and_line(sK2,iPr_def_10),
inference(forward_subsumption_resolution,[status(thm)],[c_446,c_215]) ).
tcf(c_448,plain,
~ apart_point_and_line(sK0,iPr_def_11),
inference(forward_subsumption_resolution,[status(thm)],[c_445,c_216]) ).
tcf(c_453,plain,
( ~ apart_point_and_line(sK1,iPr_def_11)
| ~ distinct_points(sK0,sK1) ),
inference(superposition,[status(thm)],[c_214,c_56]) ).
tcf(c_454,plain,
( ~ apart_point_and_line(sK3,iPr_def_10)
| ~ distinct_points(sK2,sK3) ),
inference(superposition,[status(thm)],[c_213,c_56]) ).
tcf(c_455,plain,
~ apart_point_and_line(sK3,iPr_def_10),
inference(forward_subsumption_resolution,[status(thm)],[c_454,c_215]) ).
tcf(c_456,plain,
~ apart_point_and_line(sK1,iPr_def_11),
inference(forward_subsumption_resolution,[status(thm)],[c_453,c_216]) ).
tcf(c_732,plain,
! [X0: $i] :
( apart_point_and_line(sK0,iPr_def_10)
| apart_point_and_line(sK1,X0)
| distinct_lines(iPr_def_10,X0) ),
inference(superposition,[status(thm)],[c_217,c_61]) ).
tcf(c_760,plain,
! [X0: $i,X1: $i] :
( apart_point_and_line(sK3,X1)
| apart_point_and_line(sK3,X0)
| apart_point_and_line(sK2,X1)
| apart_point_and_line(sK2,X0)
| ~ distinct_lines(X0,X1) ),
inference(superposition,[status(thm)],[c_215,c_59]) ).
tcf(c_1146,plain,
! [X0: $i] :
( apart_point_and_line(sK3,iPr_def_10)
| apart_point_and_line(sK0,iPr_def_10)
| apart_point_and_line(sK2,iPr_def_10)
| apart_point_and_line(sK3,X0)
| apart_point_and_line(sK1,X0)
| apart_point_and_line(sK2,X0) ),
inference(superposition,[status(thm)],[c_732,c_760]) ).
tcf(c_1147,plain,
! [X0: $i] :
( apart_point_and_line(sK0,iPr_def_10)
| apart_point_and_line(sK3,X0)
| apart_point_and_line(sK1,X0)
| apart_point_and_line(sK2,X0) ),
inference(forward_subsumption_resolution,[status(thm)],[c_1146,c_455,c_447]) ).
tcf(c_1320,plain,
( apart_point_and_line(sK1,iPr_def_11)
| apart_point_and_line(sK0,iPr_def_10)
| apart_point_and_line(sK2,iPr_def_11) ),
inference(superposition,[status(thm)],[c_1147,c_218]) ).
tcf(c_1322,plain,
apart_point_and_line(sK0,iPr_def_10),
inference(forward_subsumption_resolution,[status(thm)],[c_1320,c_456,c_219]) ).
tcf(c_1323,plain,
! [X0: $i] :
( apart_point_and_line(sK0,X0)
| distinct_lines(iPr_def_10,X0) ),
inference(superposition,[status(thm)],[c_1322,c_61]) ).
tcf(c_1420,plain,
! [X0: $i] :
( apart_point_and_line(sK3,iPr_def_10)
| apart_point_and_line(sK2,iPr_def_10)
| apart_point_and_line(sK3,X0)
| apart_point_and_line(sK0,X0)
| apart_point_and_line(sK2,X0) ),
inference(superposition,[status(thm)],[c_1323,c_760]) ).
tcf(c_1426,plain,
! [X0: $i] :
( apart_point_and_line(sK3,X0)
| apart_point_and_line(sK0,X0)
| apart_point_and_line(sK2,X0) ),
inference(forward_subsumption_resolution,[status(thm)],[c_1420,c_455,c_447]) ).
tcf(c_1693,plain,
( apart_point_and_line(sK0,iPr_def_11)
| apart_point_and_line(sK2,iPr_def_11) ),
inference(superposition,[status(thm)],[c_1426,c_218]) ).
tcf(c_1695,plain,
$false,
inference(forward_subsumption_resolution,[status(thm)],[c_1693,c_448,c_219]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : GEO177+1 : TPTP v9.3.1. Released v3.3.0.
% 0.00/0.05 % Command : run_iprover 300 /export/starexec/sandbox/benchmark/theBenchmark.p THM
% 0.12/5.38 % Computer : n003.cluster.edu
% 0.12/5.38 % Model : x86_64 x86_64
% 0.12/5.38 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/5.38 % Memory : 8046.5625MB
% 0.12/5.38 % OS : Linux 6.8.0-71-generic
% 0.12/5.38 % CPULimit : 300
% 0.12/5.38 % WCLimit : 300
% 0.12/5.38 % DateTime : Wed Sep 23 11:19:25 UTC 2026
% 0.12/5.38 % CPUTime :
% 0.12/5.38 Running run_iprover 300 /export/starexec/sandbox/benchmark/theBenchmark.p THM
% 0.15/5.42 Running first-order theorem proving
% 0.15/5.42 Running: /export/starexec/sandbox/solver/bin/iproveropt-multi-core.sh -d -n -l tptp -s fof_schedule -t 300 /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.15/5.43
% 0.15/5.43 % ======== iProver multi-core TPTP/SMT =========
% 0.15/5.43
% 0.15/5.44 % Detected problem language: tptp
% 0.15/5.45 % Proving...
% 2.78/6.31 % SZS status Started for theBenchmark.p
% 2.78/6.31 % SZS status Theorem for theBenchmark.p
% 2.78/6.31
% 2.78/6.31 %---------------- iProver v3.9.4 (pre CASC 2026/SMT-COMP 2026) ----------------%
% 2.78/6.31
% 2.78/6.31 % ------ iProver source info
% 2.78/6.31
% 2.78/6.31 % git: date: 2026-07-19 20:42:38 +0200
% 2.78/6.31 % git: sha1: 804e7d636a263075307957e923b7a22a4035de61
% 2.78/6.31 % git: non_committed_changes: false
% 2.78/6.31
% 2.78/6.31 % ------ Parsing...
% 2.78/6.31 % ------ Clausification by vclausify_rel & Parsing by iProver...%
% 2.78/6.31
% 2.78/6.31 % ------ Preprocessing... sf_s rm: 5 0s sf_e pe_s pe_e sf_s rm: 0 0s sf_e pe_s pe_e %
% 2.78/6.31
% 2.78/6.31 % ------ Preprocessing... gs_s sp: 0 0s gs_e snvd_s sp: 0 0s snvd_e %
% 2.78/6.31
% 2.78/6.31 % ------ Preprocessing... sf_s rm: 1 0s sf_e sf_s rm: 0 0s sf_e
% 2.78/6.31 % ------ Proving...
% 2.78/6.31 % ------ Problem Properties
% 2.78/6.31
% 2.78/6.31 %
% 2.78/6.31 % clauses 16
% 2.78/6.31 % conjectures 5
% 2.78/6.31 % EPR 12
% 2.78/6.31 % Horn 10
% 2.78/6.31 % unary 8
% 2.78/6.31 % binary 3
% 2.78/6.31 % lits 32
% 2.78/6.31 % lits eq 2
% 2.78/6.31 % fd_pure 0
% 2.78/6.31 % fd_pseudo 0
% 2.78/6.31 % fd_cond 0
% 2.78/6.31 % fd_pseudo_cond 0
% 2.78/6.31 % AC symbols 0
% 2.78/6.31
% 2.78/6.31 % ------ Schedule dynamic 5 is on
% 2.78/6.31
% 2.78/6.31 % ------ Input Options "--resolution_flag false --inst_lit_sel_side none" Time Limit: 10.
% 2.78/6.31
% 2.78/6.31
% 2.78/6.31 % ------
% 2.78/6.31 % Current options:
% 2.78/6.31 % ------
% 2.78/6.31
% 2.78/6.31
% 2.78/6.31 %
% 2.78/6.31
% 2.78/6.31 % ------ Proving...
% 2.78/6.31 %
% 2.78/6.31
% 2.78/6.31 % SZS status Theorem for theBenchmark.p
% 2.78/6.31
% 2.78/6.31 % SZS output start CNFRefutation for theBenchmark.p
% See solution above
% 2.78/6.31
% 2.78/6.31
%------------------------------------------------------------------------------