%------------------------------------------------------------------------------
% File : iProver---3.9.4
% Problem : SWC411-1 : TPTP v9.3.1. Released v2.4.0.
% Transfm : none
% Format : tptp:raw
% Command : run_iprover 300 /export/starexec/sandbox/benchmark/theBenchmark.p THM
% Computer : n001.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 03:09:41 PM UTC 2026
% Result : Unsatisfiable 3.30s 1.17s
% Output : CNFRefutation 3.30s
% Verified :
% SZS Type : Refutation
% Derivation depth : 5
% Number of leaves : 6
% Syntax : Number of formulae : 18 ( 14 unt; 0 def)
% Number of atoms : 25 ( 2 equ)
% Maximal formula atoms : 3 ( 1 avg)
% Number of connectives : 18 ( 11 ~; 7 |; 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 : 4 ( 2 usr; 1 prp; 0-2 aty)
% Number of functors : 5 ( 5 usr; 5 con; 0-0 aty)
% Number of variables : 3 ( 0 sgn 3 !; 0 ?; 2 :)
% Comments :
%------------------------------------------------------------------------------
fof(f204,negated_conjecture,
sk2 = sk4,
file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1_5) ).
fof(f205,negated_conjecture,
sk1 = sk3,
file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1_6) ).
fof(f206,negated_conjecture,
! [X0] :
( ~ memberP(sk4,X0)
| memberP(sk3,X0)
| ~ ssItem(X0) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1_7) ).
fof(f207,negated_conjecture,
ssItem(sk5),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1_8) ).
fof(f208,negated_conjecture,
memberP(sk2,sk5),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1_9) ).
fof(f209,negated_conjecture,
~ memberP(sk1,sk5),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1_10) ).
fof(f212,plain,
memberP(sk4,sk5),
inference(definition_unfolding,[],[f208,f204]) ).
fof(f213,plain,
~ memberP(sk3,sk5),
inference(definition_unfolding,[],[f209,f205]) ).
tcf(c_433,negated_conjecture,
! [X0: $i] :
( memberP(sk3,X0)
| ~ ssItem(X0)
| ~ memberP(sk4,X0) ),
inference(cnf_transformation,[],[f206]) ).
tcf(c_434,negated_conjecture,
ssItem(sk5),
inference(cnf_transformation,[],[f207]) ).
tcf(c_435,negated_conjecture,
memberP(sk4,sk5),
inference(cnf_transformation,[],[f212]) ).
tcf(c_436,negated_conjecture,
~ memberP(sk3,sk5),
inference(cnf_transformation,[],[f213]) ).
tcf(c_6449,negated_conjecture,
~ memberP(sk3,sk5),
inference(demodulation,[status(thm)],[c_436]) ).
tcf(c_6450,negated_conjecture,
memberP(sk4,sk5),
inference(demodulation,[status(thm)],[c_435]) ).
tcf(c_6451,negated_conjecture,
ssItem(sk5),
inference(demodulation,[status(thm)],[c_434]) ).
tcf(c_6452,negated_conjecture,
! [X0: $i] :
( memberP(sk3,X0)
| ~ ssItem(X0)
| ~ memberP(sk4,X0) ),
inference(demodulation,[status(thm)],[c_433]) ).
tcf(c_8958,plain,
( memberP(sk3,sk5)
| ~ ssItem(sk5) ),
inference(superposition,[status(thm)],[c_6450,c_6452]) ).
tcf(c_8959,plain,
$false,
inference(forward_subsumption_resolution,[status(thm)],[c_8958,c_6449,c_6451]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.02 % Problem : SWC411-1 : TPTP v9.3.1. Released v2.4.0.
% 0.00/0.03 % Command : run_iprover 300 /export/starexec/sandbox/benchmark/theBenchmark.p THM
% 0.08/0.36 % Computer : n001.cluster.edu
% 0.08/0.36 % Model : x86_64 x86_64
% 0.08/0.36 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.08/0.36 % Memory : 8046.5625MB
% 0.08/0.36 % OS : Linux 6.8.0-71-generic
% 0.08/0.36 % CPULimit : 300
% 0.08/0.36 % WCLimit : 300
% 0.08/0.36 % DateTime : Thu Sep 24 18:12:39 UTC 2026
% 0.08/0.36 % CPUTime :
% 0.08/0.36 Running run_iprover 300 /export/starexec/sandbox/benchmark/theBenchmark.p THM
% 0.08/0.40 Running first-order theorem proving
% 0.08/0.40 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
% 0.08/0.41
% 0.08/0.41 % ======== iProver multi-core TPTP/SMT =========
% 0.08/0.41
% 0.08/0.42 % Detected problem language: tptp
% 0.08/0.43 % Proving...
% 3.30/1.17 % SZS status Started for theBenchmark.p
% 3.30/1.17 % SZS status Unsatisfiable for theBenchmark.p
% 3.30/1.17
% 3.30/1.17 %---------------- iProver v3.9.4 (pre CASC 2026/SMT-COMP 2026) ----------------%
% 3.30/1.17
% 3.30/1.17 % ------ iProver source info
% 3.30/1.17
% 3.30/1.17 % git: date: 2026-07-19 20:42:38 +0200
% 3.30/1.17 % git: sha1: 804e7d636a263075307957e923b7a22a4035de61
% 3.30/1.17 % git: non_committed_changes: false
% 3.30/1.17
% 3.30/1.17 % ------ Parsing...% successful
% 3.30/1.17
% 3.30/1.17
% 3.30/1.17 % ------ Clausification by vclausify_rel & Parsing by iProver...%
% 3.30/1.17
% 3.30/1.17 % ------ Preprocessing... sup_sim: 0 sf_s rm: 1 0s sf_e pe_s pe:1:0s pe_e sup_sim: 0 sf_s rm: 1 0s sf_e pe_s pe_e %
% 3.30/1.17
% 3.30/1.17 % ------ Preprocessing... gs_s sp: 2 0s gs_e snvd_s sp: 0 0s snvd_e %
% 3.30/1.17
% 3.30/1.17 % ------ Preprocessing... sf_s rm: 1 0s sf_e sf_s rm: 0 0s sf_e
% 3.30/1.17 % ------ Proving...
% 3.30/1.17 % ------ Problem Properties
% 3.30/1.17
% 3.30/1.17 %
% 3.30/1.17 % clauses 183
% 3.30/1.17 % conjectures 6
% 3.30/1.17 % EPR 58
% 3.30/1.17 % Horn 155
% 3.30/1.17 % unary 63
% 3.30/1.17 % binary 21
% 3.30/1.17 % lits 549
% 3.30/1.17 % lits eq 69
% 3.30/1.17 % fd_pure 0
% 3.30/1.17 % fd_pseudo 0
% 3.30/1.17 % fd_cond 15
% 3.30/1.17 % fd_pseudo_cond 14
% 3.30/1.17 % AC symbols 0
% 3.30/1.17
% 3.30/1.17 % ------ Schedule dynamic 5 is on
% 3.30/1.17
% 3.30/1.17 % ------ Input Options "--resolution_flag false --inst_lit_sel_side none" Time Limit: 10.
% 3.30/1.17
% 3.30/1.17
% 3.30/1.17 % ------
% 3.30/1.17 % Current options:
% 3.30/1.17 % ------
% 3.30/1.17
% 3.30/1.17
% 3.30/1.17 %
% 3.30/1.17
% 3.30/1.17 % ------ Proving...
% 3.30/1.17 %
% 3.30/1.17
% 3.30/1.17 % SZS status Unsatisfiable for theBenchmark.p
% 3.30/1.17
% 3.30/1.17 % SZS output start CNFRefutation for theBenchmark.p
% See solution above
% 3.30/1.17
% 3.30/1.17
%------------------------------------------------------------------------------