%------------------------------------------------------------------------------
% File : iProver---3.9.4
% Problem : CSR147+1 : TPTP v9.3.1. Released v4.1.0.
% Transfm : none
% Format : tptp:raw
% Command : run_iprover 300 /export/starexec/sandbox/benchmark/theBenchmark.p THM
% Computer : n026.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 01:11:31 PM UTC 2026
% Result : Theorem 1.69s 1.26s
% Output : CNFRefutation 1.69s
% Verified :
% SZS Type : Refutation
% Derivation depth : 15
% Number of leaves : 8
% Syntax : Number of formulae : 39 ( 26 unt; 0 def)
% Number of atoms : 93 ( 12 equ)
% Maximal formula atoms : 7 ( 2 avg)
% Number of connectives : 112 ( 58 ~; 50 |; 2 &)
% ( 0 <=>; 2 =>; 0 <=; 0 <~>)
% Maximal formula depth : 11 ( 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 : 7 ( 5 usr; 1 prp; 0-2 aty)
% Number of functors : 5 ( 5 usr; 4 con; 0-1 aty)
% Number of variables : 30 ( 0 sgn 30 !; 0 ?; 18 :)
% Comments :
%------------------------------------------------------------------------------
fof(f5,axiom,
s__Human(jim),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',jim_human) ).
fof(f7,axiom,
! [X0,X1,X2] :
( s__Human(X0)
=> ( ( greater(X1,X2)
& s__age(s__siblingFn(X0),X2)
& s__age(X0,X1) )
=> ( s__has_seen_more(s__siblingFn(X0),X0)
| s__more_experienced(X0,s__siblingFn(X0)) ) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',experience) ).
fof(f9,axiom,
s__age(geoff,n48),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',geoff_48) ).
fof(f10,axiom,
s__age(jim,n54),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',jim_54) ).
fof(f11,axiom,
greater(n54,n48),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',greater_54_48) ).
fof(f12,axiom,
geoff = s__siblingFn(jim),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',geoff_and_jim) ).
fof(f13,axiom,
~ s__has_seen_more(geoff,jim),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',jim_has_seen_more) ).
fof(f14,conjecture,
s__more_experienced(jim,geoff),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',jim_is_experienced) ).
fof(f15,negated_conjecture,
~ s__more_experienced(jim,geoff),
inference(negated_conjecture,[status(cth)],[f14]) ).
fof(f16,plain,
~ s__more_experienced(jim,geoff),
inference(flattening,[],[f15]) ).
fof(f20,plain,
! [X0,X1,X2] :
( ~ s__Human(X0)
| ~ greater(X1,X2)
| ~ s__age(s__siblingFn(X0),X2)
| ~ s__age(X0,X1)
| s__has_seen_more(s__siblingFn(X0),X0)
| s__more_experienced(X0,s__siblingFn(X0)) ),
inference(ennf_transformation,[],[f7]) ).
fof(f21,plain,
! [X0,X1,X2] :
( ~ s__Human(X0)
| ~ greater(X1,X2)
| ~ s__age(s__siblingFn(X0),X2)
| ~ s__age(X0,X1)
| s__has_seen_more(s__siblingFn(X0),X0)
| s__more_experienced(X0,s__siblingFn(X0)) ),
inference(flattening,[],[f20]) ).
fof(f27,plain,
s__Human(jim),
inference(cnf_transformation,[],[f5]) ).
fof(f29,plain,
! [X2,X0,X1] :
( ~ s__Human(X0)
| ~ greater(X1,X2)
| ~ s__age(s__siblingFn(X0),X2)
| ~ s__age(X0,X1)
| s__has_seen_more(s__siblingFn(X0),X0)
| s__more_experienced(X0,s__siblingFn(X0)) ),
inference(cnf_transformation,[],[f21]) ).
fof(f31,plain,
s__age(geoff,n48),
inference(cnf_transformation,[],[f9]) ).
fof(f32,plain,
s__age(jim,n54),
inference(cnf_transformation,[],[f10]) ).
fof(f33,plain,
greater(n54,n48),
inference(cnf_transformation,[],[f11]) ).
fof(f34,plain,
geoff = s__siblingFn(jim),
inference(cnf_transformation,[],[f12]) ).
fof(f35,plain,
~ s__has_seen_more(geoff,jim),
inference(cnf_transformation,[],[f13]) ).
fof(f36,plain,
~ s__more_experienced(jim,geoff),
inference(cnf_transformation,[],[f16]) ).
tcf(c_51,plain,
s__Human(jim),
inference(cnf_transformation,[],[f27]) ).
tcf(c_53,plain,
! [X0: $i,X1: $i,X2: $i] :
( s__has_seen_more(s__siblingFn(X0),X0)
| s__more_experienced(X0,s__siblingFn(X0))
| ~ s__Human(X0)
| ~ greater(X2,X1)
| ~ s__age(X0,X2)
| ~ s__age(s__siblingFn(X0),X1) ),
inference(cnf_transformation,[],[f29]) ).
tcf(c_55,plain,
s__age(geoff,n48),
inference(cnf_transformation,[],[f31]) ).
tcf(c_56,plain,
s__age(jim,n54),
inference(cnf_transformation,[],[f32]) ).
tcf(c_57,plain,
greater(n54,n48),
inference(cnf_transformation,[],[f33]) ).
tcf(c_58,plain,
s__siblingFn(jim) = geoff,
inference(cnf_transformation,[],[f34]) ).
tcf(c_59,plain,
~ s__has_seen_more(geoff,jim),
inference(cnf_transformation,[],[f35]) ).
tcf(c_60,negated_conjecture,
~ s__more_experienced(jim,geoff),
inference(cnf_transformation,[],[f36]) ).
tcf(c_132,plain,
! [X0: $i,X1: $i,X2: $i] :
( s__has_seen_more(s__siblingFn(X0),X0)
| ~ s__Human(X0)
| ~ greater(X2,X1)
| ~ s__age(X0,X2)
| ~ s__age(s__siblingFn(X0),X1)
| ( X0 != jim )
| ( s__siblingFn(X0) != geoff ) ),
inference(resolution_lifted,[status(thm)],[c_53,c_60]) ).
tcf(c_133,plain,
! [X0: $i,X1: $i] :
( s__has_seen_more(s__siblingFn(jim),jim)
| ~ s__Human(jim)
| ~ s__age(jim,X1)
| ~ greater(X1,X0)
| ~ s__age(s__siblingFn(jim),X0)
| ( s__siblingFn(jim) != geoff ) ),
inference(unflattening,[status(thm)],[c_132]) ).
tcf(c_135,plain,
! [X0: $i,X1: $i] :
( s__has_seen_more(s__siblingFn(jim),jim)
| ~ s__age(s__siblingFn(jim),X0)
| ~ greater(X1,X0)
| ~ s__age(jim,X1) ),
inference(global_subsumption_just,[status(thm)],[c_133,c_51,c_58,c_133]) ).
tcf(c_136,plain,
! [X0: $i,X1: $i] :
( s__has_seen_more(s__siblingFn(jim),jim)
| ~ s__age(jim,X1)
| ~ greater(X1,X0)
| ~ s__age(s__siblingFn(jim),X0) ),
inference(renaming,[status(thm)],[c_135]) ).
tcf(c_154,plain,
! [X0: $i,X1: $i] :
( ~ s__age(jim,X1)
| ~ greater(X1,X0)
| ~ s__age(s__siblingFn(jim),X0)
| ( jim != jim )
| ( s__siblingFn(jim) != geoff ) ),
inference(resolution_lifted,[status(thm)],[c_59,c_136]) ).
tcf(c_156,plain,
! [X0: $i,X1: $i] :
( ~ s__age(jim,X1)
| ~ greater(X1,X0)
| ~ s__age(s__siblingFn(jim),X0)
| ( jim != jim ) ),
inference(global_subsumption_just,[status(thm)],[c_154,c_58,c_154]) ).
tcf(c_175,plain,
! [X0: $i,X1: $i] :
( ~ s__age(jim,X1)
| ~ s__age(s__siblingFn(jim),X0)
| ( jim != jim )
| ( X1 != n54 )
| ( X0 != n48 ) ),
inference(resolution_lifted,[status(thm)],[c_57,c_156]) ).
tcf(c_176,plain,
( ~ s__age(jim,n54)
| ~ s__age(s__siblingFn(jim),n48) ),
inference(unflattening,[status(thm)],[c_175]) ).
tcf(c_177,plain,
~ s__age(s__siblingFn(jim),n48),
inference(global_subsumption_just,[status(thm)],[c_176,c_56,c_176]) ).
tcf(c_221,plain,
~ s__age(geoff,n48),
inference(demodulation,[status(thm)],[c_177,c_58]) ).
tcf(c_222,plain,
$false,
inference(forward_subsumption_resolution,[status(thm)],[c_221,c_55]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.02 % Problem : CSR147+1 : TPTP v9.3.1. Released v4.1.0.
% 0.00/0.04 % Command : run_iprover 300 /export/starexec/sandbox/benchmark/theBenchmark.p THM
% 0.11/0.36 % Computer : n026.cluster.edu
% 0.11/0.36 % Model : x86_64 x86_64
% 0.11/0.36 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.11/0.36 % Memory : 8046.5625MB
% 0.11/0.36 % OS : Linux 6.8.0-71-generic
% 0.11/0.36 % CPULimit : 300
% 0.11/0.36 % WCLimit : 300
% 0.11/0.36 % DateTime : Fri Sep 25 09:56:10 UTC 2026
% 0.11/0.36 % CPUTime :
% 0.11/0.36 Running run_iprover 300 /export/starexec/sandbox/benchmark/theBenchmark.p THM
% 0.14/0.40 Running first-order theorem proving
% 0.14/0.40 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
% 0.14/0.41
% 0.14/0.41 % ======== iProver multi-core TPTP/SMT =========
% 0.14/0.41
% 0.14/0.41 % Detected problem language: tptp
% 0.14/0.42 % Proving...
% 1.69/1.26 % SZS status Started for theBenchmark.p
% 1.69/1.26 % SZS status Theorem for theBenchmark.p
% 1.69/1.26
% 1.69/1.26 %---------------- iProver v3.9.4 (pre CASC 2026/SMT-COMP 2026) ----------------%
% 1.69/1.26
% 1.69/1.26 % ------ iProver source info
% 1.69/1.26
% 1.69/1.26 % git: date: 2026-07-19 20:42:38 +0200
% 1.69/1.26 % git: sha1: 804e7d636a263075307957e923b7a22a4035de61
% 1.69/1.26 % git: non_committed_changes: false
% 1.69/1.26
% 1.69/1.26 % ------ Parsing...
% 1.69/1.26 % ------ Clausification by vclausify_rel & Parsing by iProver...%
% 1.69/1.26
% 1.69/1.26 % ------ Preprocessing... sup_sim: 0 sf_s rm: 1 0s sf_e pe_s pe:1:0s pe:2:0s pe_e %
% 1.69/1.26
% 1.69/1.26 % SZS status Theorem for theBenchmark.p
% 1.69/1.26
% 1.69/1.26 % SZS output start CNFRefutation for theBenchmark.p
% See solution above
% 1.69/1.26
% 1.69/1.26
%------------------------------------------------------------------------------