%------------------------------------------------------------------------------
% File : iProver---3.9.4
% Problem : GEO245+1 : TPTP v9.3.1. Bugfixed v6.4.0.
% Transfm : none
% Format : tptp:raw
% Command : run_iprover 300 /export/starexec/sandbox2/benchmark/theBenchmark.p THM
% Computer : n002.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 01:20:32 PM UTC 2026
% Result : Theorem 1.09s 1.38s
% Output : CNFRefutation 1.09s
% Verified :
% SZS Type : Refutation
% Derivation depth : 7
% Number of leaves : 3
% Syntax : Number of formulae : 18 ( 6 unt; 0 def)
% Number of atoms : 45 ( 0 equ)
% Maximal formula atoms : 4 ( 2 avg)
% Number of connectives : 45 ( 18 ~; 14 |; 8 &)
% ( 0 <=>; 5 =>; 0 <=; 0 <~>)
% Maximal formula depth : 8 ( 5 avg)
% Maximal term depth : 3 ( 1 avg)
% Number of types : 1 ( 0 usr)
% Number of type conns : 0 ( 0 >; 0 *; 0 +; 0 <<)
% Number of predicates : 4 ( 3 usr; 1 prp; 0-2 aty)
% Number of functors : 5 ( 5 usr; 3 con; 0-2 aty)
% Number of variables : 37 ( 0 sgn 31 !; 6 ?; 7 :)
% Comments :
%------------------------------------------------------------------------------
fof(f15,axiom,
! [X0,X1] :
~ ( left_apart_point(X0,reverse_line(X1))
| left_apart_point(X0,X1) ),
file('/export/starexec/sandbox2/benchmark/Axioms/GEO007+0.ax',oag10) ).
fof(f28,axiom,
! [X0,X1,X2] :
( ( left_apart_point(X0,X2)
& distinct_points(X0,X1) )
=> ( left_convergent_lines(line_connecting(X0,X1),X2)
| left_apart_point(X1,X2) ) ),
file('/export/starexec/sandbox2/benchmark/Axioms/GEO007+0.ax',oaguc2) ).
fof(f32,conjecture,
! [X0,X1,X2] :
( distinct_points(X0,X1)
=> ( left_apart_point(X2,line_connecting(X0,X1))
=> left_apart_point(X1,reverse_line(line_connecting(X0,X2))) ) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',con) ).
fof(f33,negated_conjecture,
~ ! [X0,X1,X2] :
( distinct_points(X0,X1)
=> ( left_apart_point(X2,line_connecting(X0,X1))
=> left_apart_point(X1,reverse_line(line_connecting(X0,X2))) ) ),
inference(negated_conjecture,[status(cth)],[f32]) ).
fof(f48,plain,
! [X0,X1] :
( ~ left_apart_point(X0,reverse_line(X1))
& ~ left_apart_point(X0,X1) ),
inference(ennf_transformation,[],[f15]) ).
fof(f62,plain,
! [X0,X1,X2] :
( ~ left_apart_point(X0,X2)
| ~ distinct_points(X0,X1)
| left_convergent_lines(line_connecting(X0,X1),X2)
| left_apart_point(X1,X2) ),
inference(ennf_transformation,[],[f28]) ).
fof(f63,plain,
! [X0,X1,X2] :
( ~ left_apart_point(X0,X2)
| ~ distinct_points(X0,X1)
| left_convergent_lines(line_connecting(X0,X1),X2)
| left_apart_point(X1,X2) ),
inference(flattening,[],[f62]) ).
fof(f70,plain,
? [X0,X1,X2] :
( distinct_points(X0,X1)
& left_apart_point(X2,line_connecting(X0,X1))
& ~ left_apart_point(X1,reverse_line(line_connecting(X0,X2))) ),
inference(ennf_transformation,[],[f33]) ).
fof(f71,plain,
? [X0,X1,X2] :
( distinct_points(X0,X1)
& left_apart_point(X2,line_connecting(X0,X1))
& ~ left_apart_point(X1,reverse_line(line_connecting(X0,X2))) ),
inference(flattening,[],[f70]) ).
fof(f72,plain,
( distinct_points(sK0,sK1)
& left_apart_point(sK2,line_connecting(sK0,sK1))
& ~ left_apart_point(sK1,reverse_line(line_connecting(sK0,sK2))) ),
inference(skolemize,[status(esa),new_symbols(skolem,[sK0,sK1,sK2]),skolemize(X0,sK0),skolemize(X1,sK1),skolemize(X2,sK2)],[f71]) ).
fof(f88,plain,
! [X0,X1] : ~ left_apart_point(X0,X1),
inference(cnf_transformation,[],[f48]) ).
fof(f104,plain,
! [X2,X0,X1] :
( ~ left_apart_point(X0,X2)
| ~ distinct_points(X0,X1)
| left_convergent_lines(line_connecting(X0,X1),X2)
| left_apart_point(X1,X2) ),
inference(cnf_transformation,[],[f63]) ).
fof(f109,plain,
left_apart_point(sK2,line_connecting(sK0,sK1)),
inference(cnf_transformation,[],[f72]) ).
tcf(c_63,plain,
! [X0: $i,X1: $i] : ~ left_apart_point(X0,X1),
inference(cnf_transformation,[],[f88]) ).
tcf(c_80,plain,
! [X0: $i,X1: $i,X2: $i] :
( left_apart_point(X2,X1)
| left_convergent_lines(line_connecting(X0,X2),X1)
| ~ distinct_points(X0,X2)
| ~ left_apart_point(X0,X1) ),
inference(cnf_transformation,[],[f104]) ).
tcf(c_85,negated_conjecture,
left_apart_point(sK2,line_connecting(sK0,sK1)),
inference(cnf_transformation,[],[f109]) ).
tcf(c_117,plain,
! [X0: $i,X1: $i] : ~ left_apart_point(X0,X1),
inference(global_subsumption_just,[status(thm)],[c_80,c_63]) ).
tcf(c_141,plain,
$false,
inference(backward_subsumption_resolution,[status(thm)],[c_85,c_117]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : GEO245+1 : TPTP v9.3.1. Bugfixed v6.4.0.
% 0.00/0.04 % Command : run_iprover 300 /export/starexec/sandbox2/benchmark/theBenchmark.p THM
% 0.09/0.57 % Computer : n002.cluster.edu
% 0.09/0.57 % Model : x86_64 x86_64
% 0.09/0.57 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.09/0.57 % Memory : 8046.5625MB
% 0.09/0.57 % OS : Linux 6.8.0-71-generic
% 0.09/0.57 % CPULimit : 300
% 0.09/0.57 % WCLimit : 300
% 0.09/0.57 % DateTime : Wed Sep 23 11:42:22 UTC 2026
% 0.09/0.57 % CPUTime :
% 0.09/0.57 Running run_iprover 300 /export/starexec/sandbox2/benchmark/theBenchmark.p THM
% 0.09/0.61 Running first-order theorem proving
% 0.09/0.61 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
% 0.09/0.62
% 0.09/0.62 % ======== iProver multi-core TPTP/SMT =========
% 0.09/0.62
% 0.09/0.63 % Detected problem language: tptp
% 0.13/0.64 % Proving...
% 1.09/1.38 % SZS status Started for theBenchmark.p
% 1.09/1.38 % SZS status Theorem for theBenchmark.p
% 1.09/1.38
% 1.09/1.38 %---------------- iProver v3.9.4 (pre CASC 2026/SMT-COMP 2026) ----------------%
% 1.09/1.38
% 1.09/1.38 % ------ iProver source info
% 1.09/1.38
% 1.09/1.38 % git: date: 2026-07-19 20:42:38 +0200
% 1.09/1.38 % git: sha1: 804e7d636a263075307957e923b7a22a4035de61
% 1.09/1.38 % git: non_committed_changes: false
% 1.09/1.38
% 1.09/1.38 % ------ Parsing...
% 1.09/1.38 % ------ Clausification by vclausify_rel & Parsing by iProver...%
% 1.09/1.38
% 1.09/1.38 % ------ Preprocessing...%
% 1.09/1.38
% 1.09/1.38 % SZS status Theorem for theBenchmark.p
% 1.09/1.38
% 1.09/1.38 % SZS output start CNFRefutation for theBenchmark.p
% See solution above
% 1.09/1.38
% 1.09/1.38
%------------------------------------------------------------------------------