%------------------------------------------------------------------------------
% File : iProver---3.9.4
% Problem : GEO251+3 : TPTP v9.3.1. Released v4.0.0.
% Transfm : none
% Format : tptp:raw
% Command : run_iprover 300 /export/starexec/sandbox2/benchmark/theBenchmark.p THM
% Computer : n009.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 01:20:34 PM UTC 2026
% Result : Theorem 1.22s 1.28s
% Output : CNFRefutation 1.22s
% Verified :
% SZS Type : Refutation
% Derivation depth : 6
% Number of leaves : 3
% Syntax : Number of formulae : 16 ( 6 unt; 0 def)
% Number of atoms : 28 ( 0 equ)
% Maximal formula atoms : 4 ( 1 avg)
% Number of connectives : 25 ( 13 ~; 5 |; 4 &)
% ( 1 <=>; 2 =>; 0 <=; 0 <~>)
% Maximal formula depth : 6 ( 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 : 3 ( 2 usr; 1 prp; 0-2 aty)
% Number of functors : 5 ( 5 usr; 3 con; 0-2 aty)
% Number of variables : 27 ( 0 sgn 24 !; 3 ?; 6 :)
% Comments :
%------------------------------------------------------------------------------
fof(f2,axiom,
! [X0,X1] :
( right_apart_point(X0,X1)
<=> left_apart_point(X0,reverse_line(X1)) ),
file('/export/starexec/sandbox2/benchmark/Axioms/GEO009+0.ax',a2_defns) ).
fof(f20,axiom,
! [X0,X1] :
~ ( left_apart_point(X0,reverse_line(X1))
| left_apart_point(X0,X1) ),
file('/export/starexec/sandbox2/benchmark/Axioms/GEO009+0.ax',ax10_basics) ).
fof(f37,conjecture,
! [X0,X1,X2] :
( right_apart_point(X1,parallel_through_point(X2,X0))
=> left_apart_point(X0,parallel_through_point(X2,X1)) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',con) ).
fof(f38,negated_conjecture,
~ ! [X0,X1,X2] :
( right_apart_point(X1,parallel_through_point(X2,X0))
=> left_apart_point(X0,parallel_through_point(X2,X1)) ),
inference(negated_conjecture,[status(cth)],[f37]) ).
fof(f53,plain,
! [X0,X1] :
( ~ left_apart_point(X0,reverse_line(X1))
& ~ left_apart_point(X0,X1) ),
inference(ennf_transformation,[],[f20]) ).
fof(f76,plain,
? [X0,X1,X2] :
( right_apart_point(X1,parallel_through_point(X2,X0))
& ~ left_apart_point(X0,parallel_through_point(X2,X1)) ),
inference(ennf_transformation,[],[f38]) ).
fof(f77,plain,
! [X0,X1] :
( ( ~ right_apart_point(X0,X1)
| left_apart_point(X0,reverse_line(X1)) )
& ( ~ left_apart_point(X0,reverse_line(X1))
| right_apart_point(X0,X1) ) ),
inference(nnf_transformation,[],[f2]) ).
fof(f78,plain,
( right_apart_point(sK1,parallel_through_point(sK2,sK0))
& ~ left_apart_point(sK0,parallel_through_point(sK2,sK1)) ),
inference(skolemize,[status(esa),new_symbols(skolem,[sK0,sK1,sK2]),skolemize(X0,sK0),skolemize(X1,sK1),skolemize(X2,sK2)],[f76]) ).
fof(f79,plain,
! [X0,X1] :
( ~ right_apart_point(X0,X1)
| left_apart_point(X0,reverse_line(X1)) ),
inference(cnf_transformation,[],[f77]) ).
fof(f96,plain,
! [X0,X1] : ~ left_apart_point(X0,reverse_line(X1)),
inference(cnf_transformation,[],[f53]) ).
fof(f117,plain,
right_apart_point(sK1,parallel_through_point(sK2,sK0)),
inference(cnf_transformation,[],[f78]) ).
tcf(c_50,plain,
! [X0: $i,X1: $i] :
( left_apart_point(X0,reverse_line(X1))
| ~ right_apart_point(X0,X1) ),
inference(cnf_transformation,[],[f79]) ).
tcf(c_67,plain,
! [X0: $i,X1: $i] : ~ left_apart_point(X0,reverse_line(X1)),
inference(cnf_transformation,[],[f96]) ).
tcf(c_88,negated_conjecture,
right_apart_point(sK1,parallel_through_point(sK2,sK0)),
inference(cnf_transformation,[],[f117]) ).
tcf(c_113,plain,
! [X0: $i,X1: $i] : ~ right_apart_point(X0,X1),
inference(global_subsumption_just,[status(thm)],[c_50,c_67,c_50]) ).
tcf(c_221,plain,
$false,
inference(backward_subsumption_resolution,[status(thm)],[c_88,c_113]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.02 % Problem : GEO251+3 : TPTP v9.3.1. Released v4.0.0.
% 0.00/0.04 % Command : run_iprover 300 /export/starexec/sandbox2/benchmark/theBenchmark.p THM
% 0.11/0.37 % Computer : n009.cluster.edu
% 0.11/0.37 % Model : x86_64 x86_64
% 0.11/0.37 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.11/0.37 % Memory : 8046.5625MB
% 0.11/0.37 % OS : Linux 6.8.0-71-generic
% 0.11/0.37 % CPULimit : 300
% 0.11/0.37 % WCLimit : 300
% 0.11/0.37 % DateTime : Wed Sep 23 11:41:58 UTC 2026
% 0.11/0.37 % CPUTime :
% 0.11/0.37 Running run_iprover 300 /export/starexec/sandbox2/benchmark/theBenchmark.p THM
% 0.11/0.41 Running first-order theorem proving
% 0.11/0.41 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
% 0.11/0.42
% 0.11/0.42 % ======== iProver multi-core TPTP/SMT =========
% 0.11/0.42
% 0.11/0.42 % Detected problem language: tptp
% 0.11/0.43 % Proving...
% 1.22/1.28 % SZS status Started for theBenchmark.p
% 1.22/1.28 % SZS status Theorem for theBenchmark.p
% 1.22/1.28
% 1.22/1.28 %---------------- iProver v3.9.4 (pre CASC 2026/SMT-COMP 2026) ----------------%
% 1.22/1.28
% 1.22/1.28 % ------ iProver source info
% 1.22/1.28
% 1.22/1.28 % git: date: 2026-07-19 20:42:38 +0200
% 1.22/1.28 % git: sha1: 804e7d636a263075307957e923b7a22a4035de61
% 1.22/1.28 % git: non_committed_changes: false
% 1.22/1.28
% 1.22/1.28 % ------ Parsing...
% 1.22/1.28 % ------ Clausification by vclausify_rel & Parsing by iProver...%
% 1.22/1.28
% 1.22/1.28 % ------ Preprocessing...%
% 1.22/1.28
% 1.22/1.28 % SZS status Theorem for theBenchmark.p
% 1.22/1.28
% 1.22/1.28 % SZS output start CNFRefutation for theBenchmark.p
% See solution above
% 1.22/1.28
% 1.22/1.28
%------------------------------------------------------------------------------