%------------------------------------------------------------------------------
% File : iProver---3.9.4
% Problem : GEO211+2 : 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 : n014.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 01:20:22 PM UTC 2026
% Result : Theorem 1.08s 1.18s
% Output : CNFRefutation 1.08s
% Verified :
% SZS Type : Refutation
% Derivation depth : 6
% Number of leaves : 3
% Syntax : Number of formulae : 15 ( 11 unt; 0 def)
% Number of atoms : 19 ( 0 equ)
% Maximal formula atoms : 2 ( 1 avg)
% Number of connectives : 13 ( 9 ~; 4 |; 0 &)
% ( 0 <=>; 0 =>; 0 <=; 0 <~>)
% Maximal formula depth : 4 ( 3 avg)
% Maximal term depth : 1 ( 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 : 1 ( 1 usr; 1 con; 0-0 aty)
% Number of variables : 12 ( 0 sgn 11 !; 1 ?; 3 :)
% Comments :
%------------------------------------------------------------------------------
fof(f3,axiom,
! [X0] : ~ convergent_lines(X0,X0),
file('/export/starexec/sandbox/benchmark/Axioms/GEO008+0.ax',apart3) ).
fof(f16,axiom,
! [X0,X1] :
( unorthogonal_lines(X0,X1)
| convergent_lines(X0,X1) ),
file('/export/starexec/sandbox/benchmark/Axioms/GEO006+3.ax',occu1) ).
fof(f21,conjecture,
! [X0] : unorthogonal_lines(X0,X0),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',con) ).
fof(f22,negated_conjecture,
~ ! [X0] : unorthogonal_lines(X0,X0),
inference(negated_conjecture,[status(cth)],[f21]) ).
fof(f46,plain,
? [X0] : ~ unorthogonal_lines(X0,X0),
inference(ennf_transformation,[],[f22]) ).
fof(f47,plain,
~ unorthogonal_lines(sK0,sK0),
inference(skolemize,[status(esa),new_symbols(skolem,[sK0]),skolemize(X0,sK0)],[f46]) ).
fof(f50,plain,
! [X0] : ~ convergent_lines(X0,X0),
inference(cnf_transformation,[],[f3]) ).
fof(f65,plain,
! [X0,X1] :
( unorthogonal_lines(X0,X1)
| convergent_lines(X0,X1) ),
inference(cnf_transformation,[],[f16]) ).
fof(f73,plain,
~ unorthogonal_lines(sK0,sK0),
inference(cnf_transformation,[],[f47]) ).
tcf(c_51,plain,
! [X0: $i] : ~ convergent_lines(X0,X0),
inference(cnf_transformation,[],[f50]) ).
tcf(c_66,plain,
! [X0: $i,X1: $i] :
( unorthogonal_lines(X0,X1)
| convergent_lines(X0,X1) ),
inference(cnf_transformation,[],[f65]) ).
tcf(c_74,negated_conjecture,
~ unorthogonal_lines(sK0,sK0),
inference(cnf_transformation,[],[f73]) ).
tcf(c_75,plain,
~ convergent_lines(sK0,sK0),
inference(instantiation,[status(thm)],[c_51]) ).
tcf(c_80,plain,
( unorthogonal_lines(sK0,sK0)
| convergent_lines(sK0,sK0) ),
inference(instantiation,[status(thm)],[c_66]) ).
tcf(c_81,plain,
$false,
inference(prop_impl_just,[status(thm)],[c_80,c_75,c_74]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : GEO211+2 : TPTP v9.3.1. Released v3.3.0.
% 0.00/0.04 % Command : run_iprover 300 /export/starexec/sandbox/benchmark/theBenchmark.p THM
% 0.10/0.37 % Computer : n014.cluster.edu
% 0.10/0.37 % Model : x86_64 x86_64
% 0.10/0.37 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.10/0.37 % Memory : 8046.5625MB
% 0.10/0.37 % OS : Linux 6.8.0-71-generic
% 0.10/0.37 % CPULimit : 300
% 0.10/0.37 % WCLimit : 300
% 0.10/0.37 % DateTime : Wed Sep 23 11:30:33 UTC 2026
% 0.10/0.37 % CPUTime :
% 0.10/0.37 Running run_iprover 300 /export/starexec/sandbox/benchmark/theBenchmark.p THM
% 0.10/0.41 Running first-order theorem proving
% 0.10/0.41 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
% 0.10/0.42
% 0.10/0.42 % ======== iProver multi-core TPTP/SMT =========
% 0.10/0.42
% 0.10/0.43 % Detected problem language: tptp
% 0.10/0.44 % Proving...
% 1.08/1.18 % SZS status Started for theBenchmark.p
% 1.08/1.18 % SZS status Theorem for theBenchmark.p
% 1.08/1.18
% 1.08/1.18 %---------------- iProver v3.9.4 (pre CASC 2026/SMT-COMP 2026) ----------------%
% 1.08/1.18
% 1.08/1.18 % ------ iProver source info
% 1.08/1.18
% 1.08/1.18 % git: date: 2026-07-19 20:42:38 +0200
% 1.08/1.18 % git: sha1: 804e7d636a263075307957e923b7a22a4035de61
% 1.08/1.18 % git: non_committed_changes: false
% 1.08/1.18
% 1.08/1.18 % ------ Parsing...
% 1.08/1.18 % ------ Clausification by vclausify_rel & Parsing by iProver...%
% 1.08/1.18
% 1.08/1.18 % ------ Preprocessing...%
% 1.08/1.18
% 1.08/1.18 % SZS status Theorem for theBenchmark.p
% 1.08/1.18
% 1.08/1.18 % SZS output start CNFRefutation for theBenchmark.p
% See solution above
% 1.08/1.18
% 1.08/1.18
%------------------------------------------------------------------------------