%------------------------------------------------------------------------------
% File : iProver---3.9.4
% Problem : LCL178-3 : TPTP v9.3.1. Released v2.3.0.
% Transfm : none
% Format : tptp:raw
% Command : run_iprover 300 /export/starexec/sandbox/benchmark/theBenchmark.p THM
% Computer : n008.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 02:05:51 PM UTC 2026
% Result : Unsatisfiable 2.23s 6.19s
% Output : CNFRefutation 2.23s
% Verified :
% SZS Type : Refutation
% Derivation depth : 7
% Number of leaves : 11
% Syntax : Number of formulae : 38 ( 30 unt; 3 def)
% Number of atoms : 70 ( 4 equ)
% Maximal formula atoms : 3 ( 1 avg)
% Number of connectives : 27 ( 16 ~; 11 |; 0 &)
% ( 0 <=>; 0 =>; 0 <=; 0 <~>)
% Maximal formula depth : 6 ( 3 avg)
% Maximal term depth : 5 ( 2 avg)
% Number of types : 1 ( 0 usr)
% Number of type conns : 0 ( 0 >; 0 *; 0 +; 0 <<)
% Number of predicates : 7 ( 5 usr; 4 prp; 0-2 aty)
% Number of functors : 4 ( 4 usr; 1 con; 0-2 aty)
% Number of variables : 48 ( 0 sgn 48 !; 0 ?; 25 :)
% Comments :
%------------------------------------------------------------------------------
fof(f1,axiom,
! [X0] : axiom(implies(or(X0,X0),X0)),
file('/export/starexec/sandbox/benchmark/Axioms/LCL004-0.ax',axiom_1_2) ).
fof(f2,axiom,
! [X0,X1] : axiom(implies(X0,or(X1,X0))),
file('/export/starexec/sandbox/benchmark/Axioms/LCL004-0.ax',axiom_1_3) ).
fof(f3,axiom,
! [X0,X1] : axiom(implies(or(X0,X1),or(X1,X0))),
file('/export/starexec/sandbox/benchmark/Axioms/LCL004-0.ax',axiom_1_4) ).
fof(f4,axiom,
! [X2,X0,X1] : axiom(implies(or(X0,or(X1,X2)),or(X1,or(X0,X2)))),
file('/export/starexec/sandbox/benchmark/Axioms/LCL004-0.ax',axiom_1_5) ).
fof(f6,axiom,
! [X0,X1] : implies(X0,X1) = or(not(X0),X1),
file('/export/starexec/sandbox/benchmark/Axioms/LCL004-0.ax',implies_definition) ).
fof(f7,axiom,
! [X0] :
( ~ axiom(X0)
| theorem(X0) ),
file('/export/starexec/sandbox/benchmark/Axioms/LCL004-0.ax',rule_1) ).
fof(f8,axiom,
! [X0,X1] :
( ~ theorem(X1)
| ~ theorem(implies(X1,X0))
| theorem(X0) ),
file('/export/starexec/sandbox/benchmark/Axioms/LCL004-0.ax',rule_2) ).
fof(f9,negated_conjecture,
~ theorem(implies(p,not(not(p)))),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_this) ).
fof(f10,plain,
! [X0] : axiom(or(not(or(X0,X0)),X0)),
inference(definition_unfolding,[],[f1,f6]) ).
fof(f11,plain,
! [X0,X1] : axiom(or(not(X0),or(X1,X0))),
inference(definition_unfolding,[],[f2,f6]) ).
fof(f12,plain,
! [X0,X1] : axiom(or(not(or(X0,X1)),or(X1,X0))),
inference(definition_unfolding,[],[f3,f6]) ).
fof(f13,plain,
! [X2,X0,X1] : axiom(or(not(or(X0,or(X1,X2))),or(X1,or(X0,X2)))),
inference(definition_unfolding,[],[f4,f6]) ).
fof(f15,plain,
! [X0,X1] :
( ~ theorem(X1)
| ~ theorem(or(not(X1),X0))
| theorem(X0) ),
inference(definition_unfolding,[],[f8,f6]) ).
fof(f16,plain,
~ theorem(or(not(p),not(not(p)))),
inference(definition_unfolding,[],[f9,f6]) ).
tcf(c_58,plain,
! [X0: $i] : axiom(or(not(or(X0,X0)),X0)),
inference(cnf_transformation,[],[f10]) ).
tcf(c_59,plain,
! [X0: $i,X1: $i] : axiom(or(not(X0),or(X1,X0))),
inference(cnf_transformation,[],[f11]) ).
tcf(c_60,plain,
! [X0: $i,X1: $i] : axiom(or(not(or(X0,X1)),or(X1,X0))),
inference(cnf_transformation,[],[f12]) ).
tcf(c_61,plain,
! [X0: $i,X1: $i,X2: $i] : axiom(or(not(or(X0,or(X1,X2))),or(X1,or(X0,X2)))),
inference(cnf_transformation,[],[f13]) ).
tcf(c_63,plain,
! [X0: $i] :
( theorem(X0)
| ~ axiom(X0) ),
inference(cnf_transformation,[],[f7]) ).
tcf(c_64,plain,
! [X0: $i,X1: $i] :
( theorem(X1)
| ~ theorem(X0)
| ~ theorem(or(not(X0),X1)) ),
inference(cnf_transformation,[],[f15]) ).
tcf(c_65,negated_conjecture,
~ theorem(or(not(p),not(not(p)))),
inference(cnf_transformation,[],[f16]) ).
tcf(c_94,plain,
! [X0: $i] : theorem(or(not(or(X0,X0)),X0)),
inference(resolution,[status(thm)],[c_63,c_58]) ).
tcf(c_99,plain,
! [X0: $i,X1: $i] : theorem(or(not(X0),or(X1,X0))),
inference(resolution,[status(thm)],[c_63,c_59]) ).
tcf(c_104,plain,
! [X0: $i,X1: $i] : theorem(or(not(or(X0,X1)),or(X1,X0))),
inference(resolution,[status(thm)],[c_63,c_60]) ).
tcf(c_109,plain,
! [X0: $i,X1: $i,X2: $i] : theorem(or(not(or(X0,or(X1,X2))),or(X1,or(X0,X2)))),
inference(resolution,[status(thm)],[c_63,c_61]) ).
tcf(c_142,definition,
iPr_def_10 = not(p),
introduced(definition,[new_symbols(definition,[iPr_def_10])],[]) ).
tcf(c_143,definition,
iPr_def_11 = not(iPr_def_10),
introduced(definition,[new_symbols(definition,[iPr_def_11])],[]) ).
tcf(c_144,definition,
iPr_def_12 = or(iPr_def_10,iPr_def_11),
introduced(definition,[new_symbols(definition,[iPr_def_12])],[]) ).
tcf(c_145,negated_conjecture,
~ theorem(iPr_def_12),
inference(demodulation,[status(thm)],[c_65,c_143,c_142,c_144]) ).
tcf(c_255,plain,
! [X0: $i] : theorem(or(iPr_def_11,or(X0,iPr_def_10))),
inference(superposition,[status(thm)],[c_143,c_99]) ).
tcf(c_260,plain,
theorem(or(not(or(iPr_def_11,iPr_def_10)),iPr_def_12)),
inference(superposition,[status(thm)],[c_144,c_104]) ).
tcf(c_264,plain,
! [X0: $i] :
( theorem(X0)
| ~ theorem(or(X0,X0)) ),
inference(superposition,[status(thm)],[c_94,c_64]) ).
tcf(c_287,plain,
( theorem(iPr_def_12)
| ~ theorem(or(iPr_def_11,iPr_def_10)) ),
inference(superposition,[status(thm)],[c_260,c_64]) ).
tcf(c_288,plain,
~ theorem(or(iPr_def_11,iPr_def_10)),
inference(forward_subsumption_resolution,[status(thm)],[c_287,c_145]) ).
tcf(c_349,plain,
! [X0: $i,X1: $i,X2: $i] :
( theorem(or(X1,or(X0,X2)))
| ~ theorem(or(X0,or(X1,X2))) ),
inference(superposition,[status(thm)],[c_109,c_64]) ).
tcf(c_533,plain,
! [X0: $i] : theorem(or(X0,or(iPr_def_11,iPr_def_10))),
inference(superposition,[status(thm)],[c_255,c_349]) ).
tcf(c_633,plain,
theorem(or(iPr_def_11,iPr_def_10)),
inference(superposition,[status(thm)],[c_533,c_264]) ).
tcf(c_637,plain,
$false,
inference(forward_subsumption_resolution,[status(thm)],[c_633,c_288]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : LCL178-3 : TPTP v9.3.1. Released v2.3.0.
% 0.00/0.04 % Command : run_iprover 300 /export/starexec/sandbox/benchmark/theBenchmark.p THM
% 0.10/5.38 % Computer : n008.cluster.edu
% 0.10/5.38 % Model : x86_64 x86_64
% 0.10/5.38 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.10/5.38 % Memory : 8046.5625MB
% 0.10/5.38 % OS : Linux 6.8.0-71-generic
% 0.10/5.38 % CPULimit : 300
% 0.10/5.38 % WCLimit : 300
% 0.10/5.38 % DateTime : Wed Sep 23 22:12:01 UTC 2026
% 0.10/5.38 % CPUTime :
% 0.10/5.38 Running run_iprover 300 /export/starexec/sandbox/benchmark/theBenchmark.p THM
% 0.15/5.42 Running first-order theorem proving
% 0.15/5.42 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
% 0.15/5.43
% 0.15/5.43 % ======== iProver multi-core TPTP/SMT =========
% 0.15/5.43
% 0.15/5.43 % Detected problem language: tptp
% 0.15/5.44 % Proving...
% 2.23/6.19 % SZS status Started for theBenchmark.p
% 2.23/6.19 % SZS status Unsatisfiable for theBenchmark.p
% 2.23/6.19
% 2.23/6.19 %---------------- iProver v3.9.4 (pre CASC 2026/SMT-COMP 2026) ----------------%
% 2.23/6.19
% 2.23/6.19 % ------ iProver source info
% 2.23/6.19
% 2.23/6.19 % git: date: 2026-07-19 20:42:38 +0200
% 2.23/6.19 % git: sha1: 804e7d636a263075307957e923b7a22a4035de61
% 2.23/6.19 % git: non_committed_changes: false
% 2.23/6.19
% 2.23/6.19 % ------ Parsing...% successful
% 2.23/6.19
% 2.23/6.19
% 2.23/6.19 % ------ Clausification by vclausify_rel & Parsing by iProver...%
% 2.23/6.19
% 2.23/6.19 % ------ Preprocessing... sf_s rm: 0 0s sf_e pe_s pe:1:0s pe_e sf_s rm: 0 0s sf_e pe_s pe_e %
% 2.23/6.19
% 2.23/6.19 % ------ Preprocessing... gs_s sp: 0 0s gs_e snvd_s sp: 0 0s snvd_e %
% 2.23/6.19
% 2.23/6.19 % ------ Preprocessing... sf_s rm: 1 0s sf_e sf_s rm: 0 0s sf_e
% 2.23/6.19 % ------ Proving...
% 2.23/6.19 % ------ Problem Properties
% 2.23/6.19
% 2.23/6.19 %
% 2.23/6.19 % clauses 10
% 2.23/6.19 % conjectures 1
% 2.23/6.19 % EPR 1
% 2.23/6.19 % Horn 10
% 2.23/6.19 % unary 9
% 2.23/6.19 % binary 0
% 2.23/6.19 % lits 12
% 2.23/6.19 % lits eq 3
% 2.23/6.19 % fd_pure 0
% 2.23/6.19 % fd_pseudo 0
% 2.23/6.19 % fd_cond 0
% 2.23/6.19 % fd_pseudo_cond 0
% 2.23/6.19 % AC symbols 0
% 2.23/6.19
% 2.23/6.19 % ------ Schedule dynamic 5 is on
% 2.23/6.19
% 2.23/6.19 % ------ Input Options "--resolution_flag false --inst_lit_sel_side none" Time Limit: 10.
% 2.23/6.19
% 2.23/6.19
% 2.23/6.19 % ------
% 2.23/6.19 % Current options:
% 2.23/6.19 % ------
% 2.23/6.19
% 2.23/6.19
% 2.23/6.19 %
% 2.23/6.19
% 2.23/6.19 % ------ Proving...
% 2.23/6.19 %
% 2.23/6.19
% 2.23/6.19 % SZS status Unsatisfiable for theBenchmark.p
% 2.23/6.19
% 2.23/6.19 % SZS output start CNFRefutation for theBenchmark.p
% See solution above
% 2.23/6.19
% 2.23/6.19
%------------------------------------------------------------------------------