%------------------------------------------------------------------------------
% File : iProver---3.9.4
% Problem : RNG087+2 : TPTP v9.3.1. Released v4.0.0.
% Transfm : none
% Format : tptp:raw
% Command : run_iprover 300 /export/starexec/sandbox/benchmark/theBenchmark.p THM
% Computer : n010.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 02:38:48 PM UTC 2026
% Result : Theorem 1.94s 11.29s
% Output : CNFRefutation 1.94s
% Verified :
% SZS Type : Refutation
% Derivation depth : 7
% Number of leaves : 2
% Syntax : Number of formulae : 17 ( 7 unt; 0 def)
% Number of atoms : 54 ( 14 equ)
% Maximal formula atoms : 9 ( 3 avg)
% Number of connectives : 52 ( 15 ~; 9 |; 28 &)
% ( 0 <=>; 0 =>; 0 <=; 0 <~>)
% Maximal formula depth : 9 ( 4 avg)
% Maximal term depth : 2 ( 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 : 11 ( 11 usr; 9 con; 0-2 aty)
% Number of variables : 20 ( 0 sgn 8 !; 12 ?; 4 :)
% Comments :
%------------------------------------------------------------------------------
fof(f26,axiom,
( aElement0(xz)
& aElementOf0(xy,sdtpldt1(xI,xJ))
& ? [X0,X1] :
( sdtpldt0(X0,X1) = xy
& aElementOf0(X1,xJ)
& aElementOf0(X0,xI) )
& aElementOf0(xx,sdtpldt1(xI,xJ))
& ? [X0,X1] :
( sdtpldt0(X0,X1) = xx
& aElementOf0(X1,xJ)
& aElementOf0(X0,xI) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',m__901) ).
fof(f28,conjecture,
? [X0,X1] :
( xy = sdtpldt0(X0,X1)
& aElementOf0(X1,xJ)
& aElementOf0(X0,xI) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',m__) ).
fof(f29,negated_conjecture,
~ ? [X0,X1] :
( xy = sdtpldt0(X0,X1)
& aElementOf0(X1,xJ)
& aElementOf0(X0,xI) ),
inference(negated_conjecture,[status(cth)],[f28]) ).
fof(f35,plain,
( aElement0(xz)
& aElementOf0(xy,sdtpldt1(xI,xJ))
& ? [X2,X3] :
( xy = sdtpldt0(X2,X3)
& aElementOf0(X3,xJ)
& aElementOf0(X2,xI) )
& aElementOf0(xx,sdtpldt1(xI,xJ))
& ? [X0,X1] :
( sdtpldt0(X0,X1) = xx
& aElementOf0(X1,xJ)
& aElementOf0(X0,xI) ) ),
inference(rectify,[],[f26]) ).
fof(f68,plain,
! [X0,X1] :
( sdtpldt0(X0,X1) != xy
| ~ aElementOf0(X1,xJ)
| ~ aElementOf0(X0,xI) ),
inference(ennf_transformation,[],[f29]) ).
fof(f83,plain,
( aElement0(xz)
& aElementOf0(xy,sdtpldt1(xI,xJ))
& xy = sdtpldt0(sK12,sK13)
& aElementOf0(sK13,xJ)
& aElementOf0(sK12,xI)
& aElementOf0(xx,sdtpldt1(xI,xJ))
& xx = sdtpldt0(sK10,sK11)
& aElementOf0(sK11,xJ)
& aElementOf0(sK10,xI) ),
inference(skolemize,[status(esa),new_symbols(skolem,[sK10,sK11,sK12,sK13]),skolemize(X0,sK10),skolemize(X1,sK11),skolemize(X2,sK12),skolemize(X3,sK13)],[f35]) ).
fof(f144,plain,
xy = sdtpldt0(sK12,sK13),
inference(cnf_transformation,[],[f83]) ).
fof(f145,plain,
aElementOf0(sK13,xJ),
inference(cnf_transformation,[],[f83]) ).
fof(f146,plain,
aElementOf0(sK12,xI),
inference(cnf_transformation,[],[f83]) ).
fof(f154,plain,
! [X0,X1] :
( sdtpldt0(X0,X1) != xy
| ~ aElementOf0(X1,xJ)
| ~ aElementOf0(X0,xI) ),
inference(cnf_transformation,[],[f68]) ).
tcf(c_111,plain,
aElementOf0(sK12,xI),
inference(cnf_transformation,[],[f146]) ).
tcf(c_112,plain,
aElementOf0(sK13,xJ),
inference(cnf_transformation,[],[f145]) ).
tcf(c_113,plain,
sdtpldt0(sK12,sK13) = xy,
inference(cnf_transformation,[],[f144]) ).
tcf(c_119,negated_conjecture,
! [X0: $i,X1: $i] :
( ~ aElementOf0(X1,xJ)
| ~ aElementOf0(X0,xI)
| ( sdtpldt0(X0,X1) != xy ) ),
inference(cnf_transformation,[],[f154]) ).
tcf(c_2941,negated_conjecture,
! [X0: $i,X1: $i] :
( ~ aElementOf0(X1,xJ)
| ~ aElementOf0(X0,xI)
| ( sdtpldt0(X0,X1) != xy ) ),
inference(demodulation,[status(thm)],[c_119]) ).
tcf(c_3822,plain,
( ~ aElementOf0(sK13,xJ)
| ~ aElementOf0(sK12,xI) ),
inference(superposition,[status(thm)],[c_113,c_2941]) ).
tcf(c_3823,plain,
$false,
inference(forward_subsumption_resolution,[status(thm)],[c_3822,c_112,c_111]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : RNG087+2 : TPTP v9.3.1. Released v4.0.0.
% 0.00/0.04 % Command : run_iprover 300 /export/starexec/sandbox/benchmark/theBenchmark.p THM
% 0.10/10.37 % Computer : n010.cluster.edu
% 0.10/10.37 % Model : x86_64 x86_64
% 0.10/10.37 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.10/10.37 % Memory : 8046.5625MB
% 0.10/10.37 % OS : Linux 6.8.0-71-generic
% 0.10/10.37 % CPULimit : 300
% 0.10/10.37 % WCLimit : 300
% 0.10/10.37 % DateTime : Thu Sep 24 08:10:11 UTC 2026
% 0.10/10.38 % CPUTime :
% 0.10/10.38 Running run_iprover 300 /export/starexec/sandbox/benchmark/theBenchmark.p THM
% 0.15/10.41 Running first-order theorem proving
% 0.15/10.41 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
% 0.15/10.42
% 0.15/10.42 % ======== iProver multi-core TPTP/SMT =========
% 0.15/10.42
% 0.15/10.42 % Detected problem language: tptp
% 0.15/10.43 % Proving...
% 1.94/11.29 % SZS status Started for theBenchmark.p
% 1.94/11.29 % SZS status Theorem for theBenchmark.p
% 1.94/11.29
% 1.94/11.29 %---------------- iProver v3.9.4 (pre CASC 2026/SMT-COMP 2026) ----------------%
% 1.94/11.29
% 1.94/11.29 % ------ iProver source info
% 1.94/11.29
% 1.94/11.29 % git: date: 2026-07-19 20:42:38 +0200
% 1.94/11.29 % git: sha1: 804e7d636a263075307957e923b7a22a4035de61
% 1.94/11.29 % git: non_committed_changes: false
% 1.94/11.29
% 1.94/11.29 % ------ Parsing...
% 1.94/11.29 % ------ Clausification by vclausify_rel & Parsing by iProver...%
% 1.94/11.29
% 1.94/11.29 % ------ Preprocessing... sup_sim: 0 sf_s rm: 1 0s sf_e pe_s pe:1:0s pe:2:0s pe_e sup_sim: 0 sf_s rm: 2 0s sf_e pe_s pe_e %
% 1.94/11.29
% 1.94/11.29 % ------ Preprocessing... gs_s sp: 0 0s gs_e snvd_s sp: 0 0s snvd_e %
% 1.94/11.29
% 1.94/11.29 % ------ Preprocessing... sf_s rm: 1 0s sf_e sf_s rm: 0 0s sf_e
% 1.94/11.29 % ------ Proving...
% 1.94/11.29 % ------ Problem Properties
% 1.94/11.29
% 1.94/11.29 %
% 1.94/11.29 % clauses 65
% 1.94/11.29 % conjectures 1
% 1.94/11.29 % EPR 14
% 1.94/11.29 % Horn 56
% 1.94/11.29 % unary 17
% 1.94/11.29 % binary 12
% 1.94/11.29 % lits 185
% 1.94/11.29 % lits eq 35
% 1.94/11.29 % fd_pure 0
% 1.94/11.29 % fd_pseudo 0
% 1.94/11.29 % fd_cond 1
% 1.94/11.29 % fd_pseudo_cond 8
% 1.94/11.29 % AC symbols 0
% 1.94/11.29
% 1.94/11.29 % ------ Schedule dynamic 5 is on
% 1.94/11.29
% 1.94/11.29 % ------ Input Options "--resolution_flag false --inst_lit_sel_side none" Time Limit: 10.
% 1.94/11.29
% 1.94/11.29
% 1.94/11.29 % ------
% 1.94/11.29 % Current options:
% 1.94/11.29 % ------
% 1.94/11.29
% 1.94/11.29
% 1.94/11.29 %
% 1.94/11.29
% 1.94/11.29 % ------ Proving...
% 1.94/11.29 %
% 1.94/11.29
% 1.94/11.29 % SZS status Theorem for theBenchmark.p
% 1.94/11.29
% 1.94/11.29 % SZS output start CNFRefutation for theBenchmark.p
% See solution above
% 1.94/11.29
% 1.94/11.29
%------------------------------------------------------------------------------