%------------------------------------------------------------------------------
% File : iProver---3.9.4
% Problem : HWV021-2 : TPTP v9.3.1. Released v2.5.0.
% Transfm : none
% Format : tptp:raw
% Command : run_iprover 300 /export/starexec/sandbox/benchmark/theBenchmark.p THM
% Computer : n015.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 01:40:00 PM UTC 2026
% Result : Unsatisfiable 3.93s 6.56s
% Output : CNFRefutation 3.93s
% Verified :
% SZS Type : Refutation
% Derivation depth : 9
% Number of leaves : 8
% Syntax : Number of formulae : 25 ( 10 unt; 0 def)
% Number of atoms : 55 ( 6 equ)
% Maximal formula atoms : 5 ( 2 avg)
% Number of connectives : 58 ( 28 ~; 30 |; 0 &)
% ( 0 <=>; 0 =>; 0 <=; 0 <~>)
% Maximal formula depth : 7 ( 3 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 ( 2 usr; 1 prp; 0-2 aty)
% Number of functors : 10 ( 10 usr; 3 con; 0-2 aty)
% Number of variables : 14 ( 0 sgn 14 !; 0 ?; 8 :)
% Comments :
%------------------------------------------------------------------------------
fof(f10,axiom,
! [X0] :
( fwork_DOTfifo_DOTrtl_DOTint__level_(X0) != n0
| p__pred_(fwork_DOTfifo_DOTrtl_DOTempty_(X0)) ),
file('/export/starexec/sandbox/benchmark/Axioms/HWV004-0.ax',axiom_8) ).
fof(f19,axiom,
! [X0] :
( ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTreset_(X0))
| ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTrd__error_(f_ADD_(X0,n1))) ),
file('/export/starexec/sandbox/benchmark/Axioms/HWV004-0.ax',axiom_14) ).
fof(f42,axiom,
! [X0] :
( p__pred_(fwork_DOTfifo_DOTrtl_DOTreset_(X0))
| ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTwr_(X0))
| ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTrd_(X0))
| p_LES_EQU_(fwork_DOTfifo_DOTrtl_DOTint__level_(X0),n0)
| ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTrd__error_(f_ADD_(X0,n1))) ),
file('/export/starexec/sandbox/benchmark/Axioms/HWV004-0.ax',axiom_34) ).
fof(f55,axiom,
! [X0] :
( p__pred_(fwork_DOTfifo_DOTrtl_DOTreset_(X0))
| p__pred_(fwork_DOTfifo_DOTrtl_DOTwr_(X0))
| ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTrd_(X0))
| p_LES_EQU_(fwork_DOTfifo_DOTrtl_DOTint__level_(X0),n0)
| ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTrd__error_(f_ADD_(X0,n1))) ),
file('/export/starexec/sandbox/benchmark/Axioms/HWV004-0.ax',axiom_46) ).
fof(f85,axiom,
! [X0] :
( X0 = n0
| ~ p_LES_EQU_(X0,n0) ),
file('/export/starexec/sandbox/benchmark/Axioms/HWV004-0.ax',axiom_73) ).
fof(f86,plain,
! [X0] :
( n0 = X0
| ~ p_LES_EQU_(X0,n0) ),
inference(reorient_equations,[],[f85]) ).
fof(f152,negated_conjecture,
p__pred_(fwork_DOTfifo_DOTrtl_DOTrd__error_(f_ADD_(t_206,n1))),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',quest_1) ).
fof(f154,negated_conjecture,
p__pred_(fwork_DOTfifo_DOTrtl_DOTrd_(t_206)),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',quest_3) ).
fof(f155,negated_conjecture,
~ p__pred_(fwork_DOTfifo_DOTrtl_DOTempty_(t_206)),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',quest_4) ).
tcf(c_186,negated_conjecture,
p__pred_(fwork_DOTfifo_DOTrtl_DOTrd__error_(f_ADD_(t_206,n1))),
inference(cnf_transformation,[],[f152]) ).
tcf(c_188,negated_conjecture,
p__pred_(fwork_DOTfifo_DOTrtl_DOTrd_(t_206)),
inference(cnf_transformation,[],[f154]) ).
tcf(c_189,negated_conjecture,
~ p__pred_(fwork_DOTfifo_DOTrtl_DOTempty_(t_206)),
inference(cnf_transformation,[],[f155]) ).
tcf(c_199,plain,
! [X0: $i] :
( p__pred_(fwork_DOTfifo_DOTrtl_DOTwr_(X0))
| p__pred_(fwork_DOTfifo_DOTrtl_DOTreset_(X0))
| p_LES_EQU_(fwork_DOTfifo_DOTrtl_DOTint__level_(X0),n0)
| ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTrd_(X0))
| ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTrd__error_(f_ADD_(X0,n1))) ),
inference(cnf_transformation,[],[f55]) ).
tcf(c_201,plain,
! [X0: $i] :
( p__pred_(fwork_DOTfifo_DOTrtl_DOTreset_(X0))
| p_LES_EQU_(fwork_DOTfifo_DOTrtl_DOTint__level_(X0),n0)
| ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTwr_(X0))
| ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTrd_(X0))
| ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTrd__error_(f_ADD_(X0,n1))) ),
inference(cnf_transformation,[],[f42]) ).
tcf(c_204,plain,
! [X0: $i] :
( ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTreset_(X0))
| ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTrd__error_(f_ADD_(X0,n1))) ),
inference(cnf_transformation,[],[f19]) ).
tcf(c_210,plain,
! [X0: $i] :
( p__pred_(fwork_DOTfifo_DOTrtl_DOTempty_(X0))
| ( fwork_DOTfifo_DOTrtl_DOTint__level_(X0) != n0 ) ),
inference(cnf_transformation,[],[f10]) ).
tcf(c_213,plain,
! [X0: $i] :
( ( X0 = n0 )
| ~ p_LES_EQU_(X0,n0) ),
inference(cnf_transformation,[],[f86]) ).
tcf(c_258,plain,
! [X0: $i] :
( p_LES_EQU_(fwork_DOTfifo_DOTrtl_DOTint__level_(X0),n0)
| ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTrd_(X0))
| ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTrd__error_(f_ADD_(X0,n1))) ),
inference(global_subsumption_just,[status(thm)],[c_199,c_204,c_199,c_201]) ).
tcf(c_264,plain,
! [X0: $i] :
( ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTrd_(X0))
| ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTrd__error_(f_ADD_(X0,n1)))
| p_LES_EQU_(fwork_DOTfifo_DOTrtl_DOTint__level_(X0),n0) ),
inference(global_subsumption_just,[status(thm)],[c_201,c_258]) ).
tcf(c_265,plain,
! [X0: $i] :
( p_LES_EQU_(fwork_DOTfifo_DOTrtl_DOTint__level_(X0),n0)
| ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTrd_(X0))
| ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTrd__error_(f_ADD_(X0,n1))) ),
inference(renaming,[status(thm)],[c_264]) ).
tcf(c_4080,plain,
( p_LES_EQU_(fwork_DOTfifo_DOTrtl_DOTint__level_(t_206),n0)
| ~ p__pred_(fwork_DOTfifo_DOTrtl_DOTrd_(t_206)) ),
inference(superposition,[status(thm)],[c_186,c_265]) ).
tcf(c_4083,plain,
p_LES_EQU_(fwork_DOTfifo_DOTrtl_DOTint__level_(t_206),n0),
inference(forward_subsumption_resolution,[status(thm)],[c_4080,c_188]) ).
tcf(c_4091,plain,
fwork_DOTfifo_DOTrtl_DOTint__level_(t_206) = n0,
inference(superposition,[status(thm)],[c_4083,c_213]) ).
tcf(c_4148,plain,
p__pred_(fwork_DOTfifo_DOTrtl_DOTempty_(t_206)),
inference(superposition,[status(thm)],[c_4091,c_210]) ).
tcf(c_4149,plain,
$false,
inference(forward_subsumption_resolution,[status(thm)],[c_4148,c_189]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : HWV021-2 : TPTP v9.3.1. Released v2.5.0.
% 0.00/0.05 % Command : run_iprover 300 /export/starexec/sandbox/benchmark/theBenchmark.p THM
% 0.13/5.60 % Computer : n015.cluster.edu
% 0.13/5.60 % Model : x86_64 x86_64
% 0.13/5.60 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/5.60 % Memory : 8046.5625MB
% 0.13/5.60 % OS : Linux 6.8.0-71-generic
% 0.13/5.60 % CPULimit : 300
% 0.13/5.60 % WCLimit : 300
% 0.13/5.60 % DateTime : Wed Sep 23 16:30:16 UTC 2026
% 0.13/5.60 % CPUTime :
% 0.13/5.60 Running run_iprover 300 /export/starexec/sandbox/benchmark/theBenchmark.p THM
% 0.13/5.64 Running first-order theorem proving
% 0.13/5.64 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
% 0.13/5.66
% 0.13/5.66 % ======== iProver multi-core TPTP/SMT =========
% 0.13/5.66
% 0.13/5.66 % Detected problem language: tptp
% 0.13/5.67 % Proving...
% 3.93/6.56 % SZS status Started for theBenchmark.p
% 3.93/6.56 % SZS status Unsatisfiable for theBenchmark.p
% 3.93/6.56
% 3.93/6.56 %---------------- iProver v3.9.4 (pre CASC 2026/SMT-COMP 2026) ----------------%
% 3.93/6.56
% 3.93/6.56 % ------ iProver source info
% 3.93/6.56
% 3.93/6.56 % git: date: 2026-07-19 20:42:38 +0200
% 3.93/6.56 % git: sha1: 804e7d636a263075307957e923b7a22a4035de61
% 3.93/6.56 % git: non_committed_changes: false
% 3.93/6.56
% 3.93/6.56 % ------ Parsing...% successful
% 3.93/6.56
% 3.93/6.56
% 3.93/6.56 % ------ Clausification by vclausify_rel & Parsing by iProver...%
% 3.93/6.56
% 3.93/6.56 % ------ Preprocessing... sup_sim: 0 sf_s rm: 1 0s sf_e pe_s pe_e sup_sim: 0 sf_s rm: 1 0s sf_e pe_s pe_e %
% 3.93/6.56
% 3.93/6.56 % ------ Preprocessing... gs_s sp: 0 0s gs_e snvd_s sp: 0 0s snvd_e %
% 3.93/6.56
% 3.93/6.56 % ------ Preprocessing... sf_s rm: 1 0s sf_e sf_s rm: 0 0s sf_e
% 3.93/6.56 % ------ Proving...
% 3.93/6.56 % ------ Problem Properties
% 3.93/6.56
% 3.93/6.56 %
% 3.93/6.56 % clauses 30
% 3.93/6.56 % conjectures 4
% 3.93/6.56 % EPR 4
% 3.93/6.56 % Horn 19
% 3.93/6.56 % unary 8
% 3.93/6.56 % binary 9
% 3.93/6.56 % lits 75
% 3.93/6.56 % lits eq 16
% 3.93/6.56 % fd_pure 0
% 3.93/6.56 % fd_pseudo 0
% 3.93/6.56 % fd_cond 1
% 3.93/6.56 % fd_pseudo_cond 4
% 3.93/6.56 % AC symbols 0
% 3.93/6.56
% 3.93/6.56 % ------ Schedule dynamic 5 is on
% 3.93/6.56
% 3.93/6.56 % ------ Input Options "--resolution_flag false --inst_lit_sel_side none" Time Limit: 10.
% 3.93/6.56
% 3.93/6.56
% 3.93/6.56 % ------
% 3.93/6.56 % Current options:
% 3.93/6.56 % ------
% 3.93/6.56
% 3.93/6.56
% 3.93/6.56 %
% 3.93/6.56
% 3.93/6.56 % ------ Proving...
% 3.93/6.56 %
% 3.93/6.56
% 3.93/6.56 % SZS status Unsatisfiable for theBenchmark.p
% 3.93/6.56
% 3.93/6.56 % SZS output start CNFRefutation for theBenchmark.p
% See solution above
% 3.93/6.56
% 3.93/6.56
%------------------------------------------------------------------------------