%------------------------------------------------------------------------------
% File : iProver---3.9.4
% Problem : SWX233-1 : TPTP v9.3.1. Released v9.3.0.
% Transfm : none
% Format : tptp:raw
% Command : run_iprover 300 /export/starexec/sandbox2/benchmark/theBenchmark.p THM
% Computer : n004.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 03:32:54 PM UTC 2026
% Result : Unsatisfiable 0.26s 1.05s
% Output : CNFRefutation 0.26s
% Verified :
% SZS Type : Refutation
% Derivation depth : 5
% Number of leaves : 5
% Syntax : Number of formulae : 16 ( 16 unt; 0 def)
% Number of atoms : 16 ( 15 equ)
% Maximal formula atoms : 1 ( 1 avg)
% Number of connectives : 5 ( 5 ~; 0 |; 0 &)
% ( 0 <=>; 0 =>; 0 <=; 0 <~>)
% Maximal formula depth : 3 ( 2 avg)
% Maximal term depth : 4 ( 1 avg)
% Number of types : 1 ( 0 usr)
% Number of type conns : 0 ( 0 >; 0 *; 0 +; 0 <<)
% Number of predicates : 2 ( 0 usr; 1 prp; 0-2 aty)
% Number of functors : 6 ( 6 usr; 3 con; 0-2 aty)
% Number of variables : 8 ( 0 sgn 8 !; 0 ?; 2 :)
% Comments :
%------------------------------------------------------------------------------
fof(f11,axiom,
f(nil) = btrue,
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',axiom_006) ).
fof(f12,plain,
btrue = f(nil),
inference(reorient_equations,[],[f11]) ).
fof(f14,axiom,
! [X0] : prop1(X0) = eq(f(X0),bfalse),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',axiom_008) ).
fof(f17,axiom,
eq(btrue,bfalse) = bfalse,
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',axiom_010) ).
fof(f18,plain,
bfalse = eq(btrue,bfalse),
inference(reorient_equations,[],[f17]) ).
fof(f19,axiom,
! [X0] : eq(X0,X0) = btrue,
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',axiom_011) ).
fof(f20,plain,
! [X0] : btrue = eq(X0,X0),
inference(reorient_equations,[],[f19]) ).
fof(f21,negated_conjecture,
! [X0] : eq(prop1(X0),bfalse) != btrue,
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',goal) ).
fof(f22,plain,
! [X0] : btrue != eq(prop1(X0),bfalse),
inference(reorient_equations,[],[f21]) ).
fof(f23,plain,
! [X0] : btrue != eq(eq(f(X0),bfalse),bfalse),
inference(definition_unfolding,[],[f22,f14]) ).
tcf(c_68,plain,
f(nil) = btrue,
inference(cnf_transformation,[],[f12]) ).
tcf(c_71,plain,
eq(btrue,bfalse) = bfalse,
inference(cnf_transformation,[],[f18]) ).
tcf(c_72,plain,
! [X0: $i] : eq(X0,X0) = btrue,
inference(cnf_transformation,[],[f20]) ).
tcf(c_73,negated_conjecture,
! [X0: $i] : eq(eq(f(X0),bfalse),bfalse) != btrue,
inference(cnf_transformation,[],[f23]) ).
tcf(c_178,plain,
eq(eq(btrue,bfalse),bfalse) != btrue,
inference(superposition,[status(thm)],[c_68,c_73]) ).
tcf(c_179,plain,
$false,
inference(ground_joinability,[status(thm)],[c_178,c_71,c_72]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.02 % Problem : SWX233-1 : TPTP v9.3.1. Released v9.3.0.
% 0.00/0.04 % Command : run_iprover 300 /export/starexec/sandbox2/benchmark/theBenchmark.p THM
% 0.10/0.35 % Computer : n004.cluster.edu
% 0.10/0.35 % Model : x86_64 x86_64
% 0.10/0.35 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.10/0.35 % Memory : 8046.5625MB
% 0.10/0.35 % OS : Linux 6.8.0-71-generic
% 0.10/0.35 % CPULimit : 300
% 0.10/0.35 % WCLimit : 300
% 0.10/0.35 % DateTime : Thu Sep 24 23:46:23 UTC 2026
% 0.10/0.35 % CPUTime :
% 0.10/0.35 Running run_iprover 300 /export/starexec/sandbox2/benchmark/theBenchmark.p THM
% 0.12/0.39 Running UEQ theorem proving
% 0.12/0.39 Running: /export/starexec/sandbox2/solver/bin/iproveropt-multi-core.sh -d -n -l tptp -s ueq_schedule -t 300 /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.12/0.40
% 0.12/0.40 % ======== iProver multi-core TPTP/SMT =========
% 0.12/0.40
% 0.12/0.40 % Detected problem language: tptp
% 0.12/0.41 % Proving...
% 0.26/1.05 WARNING - Clausifier option not provided in the heuristic config "heur/vip2_118404", setting default options.
% 0.26/1.05 % SZS status Started for theBenchmark.p
% 0.26/1.05 % SZS status Unsatisfiable for theBenchmark.p
% 0.26/1.05
% 0.26/1.05 %---------------- iProver v3.9.4 (pre CASC 2026/SMT-COMP 2026) ----------------%
% 0.26/1.05
% 0.26/1.05 % ------ iProver source info
% 0.26/1.05
% 0.26/1.05 % git: date: 2026-07-19 20:42:38 +0200
% 0.26/1.05 % git: sha1: 804e7d636a263075307957e923b7a22a4035de61
% 0.26/1.05 % git: non_committed_changes: false
% 0.26/1.05
% 0.26/1.05 % ------ Parsing...% successful
% 0.26/1.05
% 0.26/1.05
% 0.26/1.05 % ------ Clausification by vclausify_rel & Parsing by iProver...%
% 0.26/1.05
% 0.26/1.05 % ------ Preprocessing... sup_sim: 0 sf_s rm: 0 0s sf_e pe_s pe_e %
% 0.26/1.05
% 0.26/1.05 % ------ Preprocessing... gs_s sp: 0 0s gs_e snvd_s sp: 0 0s snvd_e %
% 0.26/1.05
% 0.26/1.05 % ------ Preprocessing... sf_s rm: 0 0s sf_e
% 0.26/1.05 % ------ Proving...
% 0.26/1.05 % ------ Problem Properties
% 0.26/1.05
% 0.26/1.05 %
% 0.26/1.05 % clauses 12
% 0.26/1.05 % conjectures 1
% 0.26/1.05 % EPR 0
% 0.26/1.05 % Horn 12
% 0.26/1.05 % unary 12
% 0.26/1.05 % binary 0
% 0.26/1.05 % lits 12
% 0.26/1.05 % lits eq 12
% 0.26/1.05 % fd_pure 0
% 0.26/1.05 % fd_pseudo 0
% 0.26/1.05 % fd_cond 0
% 0.26/1.05 % fd_pseudo_cond 0
% 0.26/1.05 % AC symbols 0
% 0.26/1.05
% 0.26/1.05 % ------ Input Options Time Limit: Unbounded
% 0.26/1.05
% 0.26/1.05
% 0.26/1.05 % ------
% 0.26/1.05 % Current options:
% 0.26/1.05 % ------
% 0.26/1.05
% 0.26/1.05
% 0.26/1.05 %
% 0.26/1.05
% 0.26/1.05 % ------ Proving...
% 0.26/1.05 %
% 0.26/1.05
% 0.26/1.05 % SZS status Unsatisfiable for theBenchmark.p
% 0.26/1.05
% 0.26/1.05 % SZS output start CNFRefutation for theBenchmark.p
% See solution above
% 0.26/1.05
% 0.26/1.05
%------------------------------------------------------------------------------