%------------------------------------------------------------------------------
% File : iProver---3.9.4
% Problem : SWC405-1 : 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 : n017.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 03:09:39 PM UTC 2026
% Result : Unsatisfiable 3.65s 6.31s
% Output : CNFRefutation 3.65s
% 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(sk3,X0)
| memberP(sk4,X0)
| ~ ssItem(X0) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1_7) ).
fof(f208,negated_conjecture,
ssItem(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(f210,negated_conjecture,
~ memberP(sk2,sk5),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1_11) ).
fof(f213,plain,
memberP(sk3,sk5),
inference(definition_unfolding,[],[f209,f205]) ).
fof(f214,plain,
~ memberP(sk4,sk5),
inference(definition_unfolding,[],[f210,f204]) ).
tcf(c_434,negated_conjecture,
! [X0: $i] :
( memberP(sk4,X0)
| ~ ssItem(X0)
| ~ memberP(sk3,X0) ),
inference(cnf_transformation,[],[f206]) ).
tcf(c_436,negated_conjecture,
ssItem(sk5),
inference(cnf_transformation,[],[f208]) ).
tcf(c_437,negated_conjecture,
memberP(sk3,sk5),
inference(cnf_transformation,[],[f213]) ).
tcf(c_438,negated_conjecture,
~ memberP(sk4,sk5),
inference(cnf_transformation,[],[f214]) ).
tcf(c_6476,negated_conjecture,
~ memberP(sk4,sk5),
inference(demodulation,[status(thm)],[c_438]) ).
tcf(c_6477,negated_conjecture,
memberP(sk3,sk5),
inference(demodulation,[status(thm)],[c_437]) ).
tcf(c_6478,negated_conjecture,
ssItem(sk5),
inference(demodulation,[status(thm)],[c_436]) ).
tcf(c_6480,negated_conjecture,
! [X0: $i] :
( memberP(sk4,X0)
| ~ ssItem(X0)
| ~ memberP(sk3,X0) ),
inference(demodulation,[status(thm)],[c_434]) ).
tcf(c_9004,plain,
( memberP(sk4,sk5)
| ~ ssItem(sk5) ),
inference(superposition,[status(thm)],[c_6477,c_6480]) ).
tcf(c_9005,plain,
$false,
inference(forward_subsumption_resolution,[status(thm)],[c_9004,c_6476,c_6478]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.05 % Problem : SWC405-1 : TPTP v9.3.1. Released v2.4.0.
% 0.00/0.06 % Command : run_iprover 300 /export/starexec/sandbox/benchmark/theBenchmark.p THM
% 0.13/5.40 % Computer : n017.cluster.edu
% 0.13/5.40 % Model : x86_64 x86_64
% 0.13/5.40 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/5.40 % Memory : 8046.5625MB
% 0.13/5.40 % OS : Linux 6.8.0-71-generic
% 0.13/5.40 % CPULimit : 300
% 0.13/5.40 % WCLimit : 300
% 0.13/5.40 % DateTime : Thu Sep 24 18:00:22 UTC 2026
% 0.13/5.40 % CPUTime :
% 0.13/5.40 Running run_iprover 300 /export/starexec/sandbox/benchmark/theBenchmark.p THM
% 0.13/5.43 Running first-order theorem proving
% 0.13/5.43 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
% 0.13/5.45
% 0.13/5.45 % ======== iProver multi-core TPTP/SMT =========
% 0.13/5.45
% 0.13/5.45 % Detected problem language: tptp
% 0.13/5.46 % Proving...
% 3.65/6.31 % SZS status Started for theBenchmark.p
% 3.65/6.31 % SZS status Unsatisfiable for theBenchmark.p
% 3.65/6.31
% 3.65/6.31 %---------------- iProver v3.9.4 (pre CASC 2026/SMT-COMP 2026) ----------------%
% 3.65/6.31
% 3.65/6.31 % ------ iProver source info
% 3.65/6.31
% 3.65/6.31 % git: date: 2026-07-19 20:42:38 +0200
% 3.65/6.31 % git: sha1: 804e7d636a263075307957e923b7a22a4035de61
% 3.65/6.31 % git: non_committed_changes: false
% 3.65/6.31
% 3.65/6.31 % ------ Parsing...% successful
% 3.65/6.31
% 3.65/6.31
% 3.65/6.31 % ------ Clausification by vclausify_rel & Parsing by iProver...%
% 3.65/6.31
% 3.65/6.31 % ------ 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 %
% 3.65/6.31
% 3.65/6.31 % ------ Preprocessing... gs_s sp: 2 0s gs_e snvd_s sp: 0 0s snvd_e %
% 3.65/6.31
% 3.65/6.31 % ------ Preprocessing... sf_s rm: 1 0s sf_e sf_s rm: 0 0s sf_e
% 3.65/6.31 % ------ Proving...
% 3.65/6.31 % ------ Problem Properties
% 3.65/6.31
% 3.65/6.31 %
% 3.65/6.31 % clauses 184
% 3.65/6.31 % conjectures 7
% 3.65/6.31 % EPR 59
% 3.65/6.31 % Horn 156
% 3.65/6.31 % unary 63
% 3.65/6.31 % binary 21
% 3.65/6.31 % lits 552
% 3.65/6.31 % lits eq 69
% 3.65/6.31 % fd_pure 0
% 3.65/6.31 % fd_pseudo 0
% 3.65/6.31 % fd_cond 15
% 3.65/6.31 % fd_pseudo_cond 14
% 3.65/6.31 % AC symbols 0
% 3.65/6.31
% 3.65/6.31 % ------ Schedule dynamic 5 is on
% 3.65/6.31
% 3.65/6.31 % ------ Input Options "--resolution_flag false --inst_lit_sel_side none" Time Limit: 10.
% 3.65/6.31
% 3.65/6.31
% 3.65/6.31 % ------
% 3.65/6.31 % Current options:
% 3.65/6.31 % ------
% 3.65/6.31
% 3.65/6.31
% 3.65/6.31 %
% 3.65/6.31
% 3.65/6.31 % ------ Proving...
% 3.65/6.31 %
% 3.65/6.31
% 3.65/6.31 % SZS status Unsatisfiable for theBenchmark.p
% 3.65/6.31
% 3.65/6.31 % SZS output start CNFRefutation for theBenchmark.p
% See solution above
% 3.65/6.31
% 3.65/6.31
%------------------------------------------------------------------------------