%------------------------------------------------------------------------------
% File : iProver---3.9.4
% Problem : SYN105-1 : TPTP v9.3.1. Released v1.1.0.
% Transfm : none
% Format : tptp:raw
% Command : run_iprover 300 /export/starexec/sandbox2/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 03:39:12 PM UTC 2026
% Result : Unsatisfiable 2.17s 6.27s
% Output : CNFRefutation 2.17s
% Verified :
% SZS Type : Refutation
% Derivation depth : 3
% Number of leaves : 3
% Syntax : Number of formulae : 8 ( 6 unt; 0 def)
% Number of atoms : 10 ( 0 equ)
% Maximal formula atoms : 2 ( 1 avg)
% Number of connectives : 6 ( 4 ~; 2 |; 0 &)
% ( 0 <=>; 0 =>; 0 <=; 0 <~>)
% Maximal formula depth : 5 ( 2 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 : 2 ( 2 usr; 2 con; 0-0 aty)
% Number of variables : 4 ( 0 sgn 4 !; 0 ?; 2 :)
% Comments :
%------------------------------------------------------------------------------
fof(f15,axiom,
n0(a,b),
file('/export/starexec/sandbox2/benchmark/Axioms/SYN001-0.ax',axiom_15) ).
fof(f39,axiom,
! [X0,X1] :
( ~ n0(X1,X0)
| k1(X0) ),
file('/export/starexec/sandbox2/benchmark/Axioms/SYN001-0.ax',rule_001) ).
fof(f369,negated_conjecture,
~ k1(b),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_this) ).
tcf(c_418,negated_conjecture,
~ k1(b),
inference(cnf_transformation,[],[f369]) ).
tcf(c_438,plain,
! [X0: $i,X1: $i] :
( k1(X1)
| ~ n0(X0,X1) ),
inference(cnf_transformation,[],[f39]) ).
tcf(c_623,plain,
n0(a,b),
inference(cnf_transformation,[],[f15]) ).
tcf(c_1018,plain,
k1(b),
inference(resolution,[status(thm)],[c_623,c_438]) ).
tcf(c_1019,plain,
$false,
inference(prop_impl_just,[status(thm)],[c_1018,c_418]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.04 % Problem : SYN105-1 : TPTP v9.3.1. Released v1.1.0.
% 0.00/0.06 % Command : run_iprover 300 /export/starexec/sandbox2/benchmark/theBenchmark.p THM
% 0.15/5.42 % Computer : n014.cluster.edu
% 0.15/5.42 % Model : x86_64 x86_64
% 0.15/5.42 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.15/5.42 % Memory : 8046.5625MB
% 0.15/5.42 % OS : Linux 6.8.0-71-generic
% 0.15/5.42 % CPULimit : 300
% 0.15/5.42 % WCLimit : 300
% 0.15/5.42 % DateTime : Fri Sep 25 00:10:54 UTC 2026
% 0.15/5.43 % CPUTime :
% 0.15/5.43 Running run_iprover 300 /export/starexec/sandbox2/benchmark/theBenchmark.p THM
% 0.15/5.46 Running EPR theorem proving
% 0.15/5.46 Running: /export/starexec/sandbox2/solver/bin/iproveropt-multi-core.sh -d -n -l tptp -s epr_schedule -t 300 /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.15/5.47
% 0.15/5.47 % ======== iProver multi-core TPTP/SMT =========
% 0.15/5.47
% 0.15/5.47 % Detected problem language: tptp
% 0.15/5.48 % Proving...
% 2.17/6.27 % SZS status Started for theBenchmark.p
% 2.17/6.27 % SZS status Unsatisfiable for theBenchmark.p
% 2.17/6.27
% 2.17/6.27 %---------------- iProver v3.9.4 (pre CASC 2026/SMT-COMP 2026) ----------------%
% 2.17/6.27
% 2.17/6.27 % ------ iProver source info
% 2.17/6.27
% 2.17/6.27 % git: date: 2026-07-19 20:42:38 +0200
% 2.17/6.27 % git: sha1: 804e7d636a263075307957e923b7a22a4035de61
% 2.17/6.27 % git: non_committed_changes: false
% 2.17/6.27
% 2.17/6.27 % ------ Parsing...% successful
% 2.17/6.27
% 2.17/6.27
% 2.17/6.27 % ------ Clausification by vclausify_rel & Parsing by iProver...% ------ preprocesses with Option_epr_horn
% 2.17/6.27 %
% 2.17/6.27
% 2.17/6.27 % ------ Preprocessing... sf_s rm: 302 0s sf_e sf_s rm: 0 0s sf_e %
% 2.17/6.27
% 2.17/6.27 % ------ Preprocessing...% ------ preprocesses with Option_epr_horn
% 2.17/6.27 gs_s sp: 0 0s gs_e snvd_s sp: 0 0s snvd_e
% 2.17/6.27 % ------ Proving...
% 2.17/6.27 % ------ Problem Properties
% 2.17/6.27
% 2.17/6.27 %
% 2.17/6.27 % clauses 10
% 2.17/6.27 % conjectures 1
% 2.17/6.27 % EPR 10
% 2.17/6.27 % Horn 10
% 2.17/6.27 % unary 9
% 2.17/6.27 % binary 1
% 2.17/6.27 % lits 11
% 2.17/6.27 % lits eq 0
% 2.17/6.27 % fd_pure 0
% 2.17/6.27 % fd_pseudo 0
% 2.17/6.27 % fd_cond 0
% 2.17/6.27 % fd_pseudo_cond 0
% 2.17/6.27 % AC symbols 0
% 2.17/6.27
% 2.17/6.27 % ------ Schedule EPR Horn non eq is on
% 2.17/6.27
% 2.17/6.27 % ------ no equalities: superposition off
% 2.17/6.27
% 2.17/6.27 % ------ Option_epr_horn Time Limit: Unbounded
% 2.17/6.27
% 2.17/6.27
% 2.17/6.27 % ------
% 2.17/6.27 % Current options:
% 2.17/6.27 % ------
% 2.17/6.27
% 2.17/6.27
% 2.17/6.27 %
% 2.17/6.27
% 2.17/6.27 % ------ Proving...
% 2.17/6.27 %
% 2.17/6.27
% 2.17/6.27 % SZS status Unsatisfiable for theBenchmark.p
% 2.17/6.27
% 2.17/6.27 % SZS output start CNFRefutation for theBenchmark.p
% See solution above
% 2.17/6.27
% 2.17/6.27
%------------------------------------------------------------------------------