%------------------------------------------------------------------------------
% File : iProver---3.9.4
% Problem : PUZ002-1 : TPTP v9.3.1. Released v1.0.0.
% Transfm : none
% Format : tptp:raw
% Command : run_iprover 300 /export/starexec/sandbox2/benchmark/theBenchmark.p THM
% Computer : n013.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 02:32:39 PM UTC 2026
% Result : Unsatisfiable 0.68s 1.10s
% Output : CNFRefutation 0.68s
% Verified :
% SZS Type : Refutation
% Derivation depth : 3
% Number of leaves : 12
% Syntax : Number of formulae : 35 ( 5 unt; 0 def)
% Number of atoms : 65 ( 0 equ)
% Maximal formula atoms : 2 ( 1 avg)
% Number of connectives : 62 ( 32 ~; 30 |; 0 &)
% ( 0 <=>; 0 =>; 0 <=; 0 <~>)
% Maximal formula depth : 4 ( 3 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 : 12 ( 11 usr; 1 prp; 0-1 aty)
% Number of functors : 1 ( 1 usr; 1 con; 0-0 aty)
% Number of variables : 20 ( 0 sgn 20 !; 0 ?; 10 :)
% Comments :
%------------------------------------------------------------------------------
fof(f1,axiom,
! [X0] :
( cat(X0)
| ~ in_house(X0) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',only_cats_in_house) ).
fof(f2,axiom,
! [X0] :
( suitable_pet(X0)
| ~ gazer(X0) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',gazers_are_suitable_pets) ).
fof(f3,axiom,
! [X0] :
( avoided(X0)
| ~ detested(X0) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',avoid_detested) ).
fof(f4,axiom,
! [X0] :
( prowler(X0)
| ~ carnivore(X0) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',carnivores_are_prowlers) ).
fof(f5,axiom,
! [X0] :
( mouse_killer(X0)
| ~ cat(X0) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',cats_are_mice_killers) ).
fof(f6,axiom,
! [X0] :
( in_house(X0)
| ~ takes_to_me(X0) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',in_house_if_takes_to_me) ).
fof(f7,axiom,
! [X0] :
( ~ suitable_pet(X0)
| ~ kangaroo(X0) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',kangaroos_are_not_pets) ).
fof(f8,axiom,
! [X0] :
( carnivore(X0)
| ~ mouse_killer(X0) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',mouse_killers_are_carnivores) ).
fof(f9,axiom,
! [X0] :
( detested(X0)
| takes_to_me(X0) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',takes_to_me_or_detested) ).
fof(f10,axiom,
! [X0] :
( gazer(X0)
| ~ prowler(X0) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prowlers_are_gazers) ).
fof(f11,axiom,
kangaroo(the_kangaroo),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',kangaroo_is_a_kangaroo) ).
fof(f12,negated_conjecture,
~ avoided(the_kangaroo),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',avoid_kangaroo) ).
tcf(c_61,plain,
! [X0: $i] :
( cat(X0)
| ~ in_house(X0) ),
inference(cnf_transformation,[],[f1]) ).
tcf(c_62,plain,
! [X0: $i] :
( suitable_pet(X0)
| ~ gazer(X0) ),
inference(cnf_transformation,[],[f2]) ).
tcf(c_63,plain,
! [X0: $i] :
( avoided(X0)
| ~ detested(X0) ),
inference(cnf_transformation,[],[f3]) ).
tcf(c_64,plain,
! [X0: $i] :
( prowler(X0)
| ~ carnivore(X0) ),
inference(cnf_transformation,[],[f4]) ).
tcf(c_65,plain,
! [X0: $i] :
( mouse_killer(X0)
| ~ cat(X0) ),
inference(cnf_transformation,[],[f5]) ).
tcf(c_66,plain,
! [X0: $i] :
( in_house(X0)
| ~ takes_to_me(X0) ),
inference(cnf_transformation,[],[f6]) ).
tcf(c_67,plain,
! [X0: $i] :
( ~ kangaroo(X0)
| ~ suitable_pet(X0) ),
inference(cnf_transformation,[],[f7]) ).
tcf(c_68,plain,
! [X0: $i] :
( carnivore(X0)
| ~ mouse_killer(X0) ),
inference(cnf_transformation,[],[f8]) ).
tcf(c_69,plain,
! [X0: $i] :
( takes_to_me(X0)
| detested(X0) ),
inference(cnf_transformation,[],[f9]) ).
tcf(c_70,plain,
! [X0: $i] :
( gazer(X0)
| ~ prowler(X0) ),
inference(cnf_transformation,[],[f10]) ).
tcf(c_71,plain,
kangaroo(the_kangaroo),
inference(cnf_transformation,[],[f11]) ).
tcf(c_72,negated_conjecture,
~ avoided(the_kangaroo),
inference(cnf_transformation,[],[f12]) ).
tcf(c_73,plain,
( takes_to_me(the_kangaroo)
| detested(the_kangaroo) ),
inference(instantiation,[status(thm)],[c_69]) ).
tcf(c_74,plain,
( gazer(the_kangaroo)
| ~ prowler(the_kangaroo) ),
inference(instantiation,[status(thm)],[c_70]) ).
tcf(c_75,plain,
( carnivore(the_kangaroo)
| ~ mouse_killer(the_kangaroo) ),
inference(instantiation,[status(thm)],[c_68]) ).
tcf(c_76,plain,
( in_house(the_kangaroo)
| ~ takes_to_me(the_kangaroo) ),
inference(instantiation,[status(thm)],[c_66]) ).
tcf(c_77,plain,
( mouse_killer(the_kangaroo)
| ~ cat(the_kangaroo) ),
inference(instantiation,[status(thm)],[c_65]) ).
tcf(c_78,plain,
( prowler(the_kangaroo)
| ~ carnivore(the_kangaroo) ),
inference(instantiation,[status(thm)],[c_64]) ).
tcf(c_79,plain,
( avoided(the_kangaroo)
| ~ detested(the_kangaroo) ),
inference(instantiation,[status(thm)],[c_63]) ).
tcf(c_80,plain,
( suitable_pet(the_kangaroo)
| ~ gazer(the_kangaroo) ),
inference(instantiation,[status(thm)],[c_62]) ).
tcf(c_81,plain,
( cat(the_kangaroo)
| ~ in_house(the_kangaroo) ),
inference(instantiation,[status(thm)],[c_61]) ).
tcf(c_82,plain,
( ~ kangaroo(the_kangaroo)
| ~ suitable_pet(the_kangaroo) ),
inference(instantiation,[status(thm)],[c_67]) ).
tcf(c_83,plain,
$false,
inference(prop_impl_just,[status(thm)],[c_82,c_81,c_80,c_79,c_78,c_77,c_76,c_75,c_74,c_73,c_72,c_71]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : PUZ002-1 : TPTP v9.3.1. Released v1.0.0.
% 0.00/0.04 % Command : run_iprover 300 /export/starexec/sandbox2/benchmark/theBenchmark.p THM
% 0.08/0.36 % Computer : n013.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 06:35:36 UTC 2026
% 0.08/0.37 % CPUTime :
% 0.08/0.37 Running run_iprover 300 /export/starexec/sandbox2/benchmark/theBenchmark.p THM
% 0.08/0.40 Running EPR theorem proving
% 0.08/0.40 Running: /export/starexec/sandbox2/solver/bin/iproveropt-multi-core.sh -d -n -l tptp -s epr_schedule -t 300 /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.08/0.42
% 0.08/0.42 % ======== iProver multi-core TPTP/SMT =========
% 0.08/0.42
% 0.08/0.42 % Detected problem language: tptp
% 0.08/0.43 % Proving...
% 0.68/1.10 % SZS status Started for theBenchmark.p
% 0.68/1.10 % SZS status Unsatisfiable for theBenchmark.p
% 0.68/1.10
% 0.68/1.10 %---------------- iProver v3.9.4 (pre CASC 2026/SMT-COMP 2026) ----------------%
% 0.68/1.10
% 0.68/1.10 % ------ iProver source info
% 0.68/1.10
% 0.68/1.10 % git: date: 2026-07-19 20:42:38 +0200
% 0.68/1.10 % git: sha1: 804e7d636a263075307957e923b7a22a4035de61
% 0.68/1.10 % git: non_committed_changes: false
% 0.68/1.10
% 0.68/1.10 % ------ Parsing...% successful
% 0.68/1.10
% 0.68/1.10
% 0.68/1.10 % ------ Clausification by vclausify_rel & Parsing by iProver...
% 0.68/1.10 % ------ Proving...
% 0.68/1.10 % ------ Problem Properties
% 0.68/1.10
% 0.68/1.10 %
% 0.68/1.10 % clauses 12
% 0.68/1.10 % conjectures 1
% 0.68/1.10 % EPR 12
% 0.68/1.10 % Horn 11
% 0.68/1.10 % unary 2
% 0.68/1.10 % binary 10
% 0.68/1.10 % lits 22
% 0.68/1.10 % lits eq 0
% 0.68/1.10 % fd_pure 0
% 0.68/1.10 % fd_pseudo 0
% 0.68/1.10 % fd_cond 0
% 0.68/1.10 % fd_pseudo_cond 0
% 0.68/1.10 % AC symbols 0
% 0.68/1.10
% 0.68/1.10 % ------ Input Options Time Limit: Unbounded
% 0.68/1.10
% 0.68/1.10
% 0.68/1.10 % ------
% 0.68/1.10 % Current options:
% 0.68/1.10 % ------
% 0.68/1.10
% 0.68/1.10
% 0.68/1.10 %
% 0.68/1.10
% 0.68/1.10 % ------ Proving...
% 0.68/1.10 %
% 0.68/1.10
% 0.68/1.10 % SZS status Unsatisfiable for theBenchmark.p
% 0.68/1.10
% 0.68/1.10 % SZS output start CNFRefutation for theBenchmark.p
% See solution above
% 0.68/1.10
% 0.68/1.10
%------------------------------------------------------------------------------