%------------------------------------------------------------------------------
% File : Leo-III---1.8.0
% Problem : NLP094-1 : TPTP v9.3.1. Released v2.4.0.
% Transfm : none
% Format : tptp:raw
% Command : java -Xss128m -Xmx2g -Xms1g -jar /export/starexec/sandbox/solver/bin/leo3.jar /export/starexec/sandbox/benchmark/theBenchmark.p -t 300 -p --atp eprover=/export/starexec/sandbox/solver/bin/externals/eprover --instantiate 39
% Computer : n009.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 : Sun Sep 27 08:04:51 AM UTC 2026
% Result : Unsatisfiable 4.88s 3.78s
% Output : Refutation 5.10s
% Verified :
% SZS Type : Refutation
% Derivation depth : 2
% Number of leaves : 38
% Syntax : Number of formulae : 77 ( 5 unt; 0 typ; 0 def)
% Number of atoms : 385 ( 0 equ; 0 cnn)
% Maximal formula atoms : 16 ( 5 avg)
% Number of connectives : 1368 ( 276 ~; 308 |; 0 &; 784 @)
% ( 0 <=>; 0 =>; 0 <=; 0 <~>)
% Maximal formula depth : 24 ( 10 avg)
% Number of types : 2 ( 0 usr)
% Number of type conns : 0 ( 0 >; 0 *; 0 +; 0 <<)
% Number of symbols : 29 ( 28 usr; 4 con; 0-3 aty)
% Number of variables : 196 ( 0 ^; 196 !; 0 ?; 196 :)
% Comments :
%------------------------------------------------------------------------------
thf(actual_world_decl,type,
actual_world: $i > $o ).
thf(skc13_decl,type,
skc13: $i ).
thf(skc2_decl,type,
skc2: $i ).
thf(ssSkC0_decl,type,
ssSkC0: $o ).
thf(customer_decl,type,
customer: $i > $i > $o ).
thf(skf39_decl,type,
skf39: $i > $i ).
thf(restaurant_decl,type,
restaurant: $i > $i > $o ).
thf(skf34_decl,type,
skf34: $i > $i ).
thf(skf25_decl,type,
skf25: $i > $i ).
thf(skf20_decl,type,
skf20: $i > $i ).
thf(in_decl,type,
in: $i > $i > $i > $o ).
thf(event_decl,type,
event: $i > $i > $o ).
thf(skf26_decl,type,
skf26: $i > $i ).
thf(past_decl,type,
past: $i > $i > $o ).
thf(nonreflexive_decl,type,
nonreflexive: $i > $i > $o ).
thf(see_decl,type,
see: $i > $i > $o ).
thf(human_person_decl,type,
human_person: $i > $i > $o ).
thf(skf29_decl,type,
skf29: $i > $i ).
thf(drink_decl,type,
drink: $i > $i > $o ).
thf(skf27_decl,type,
skf27: $i > $i ).
thf(coffee_decl,type,
coffee: $i > $i > $o ).
thf(skf28_decl,type,
skf28: $i > $i ).
thf(skf12_decl,type,
skf12: $i > $i ).
thf(skf14_decl,type,
skf14: $i > $i ).
thf(skf13_decl,type,
skf13: $i > $i ).
thf(skf15_decl,type,
skf15: $i > $i ).
thf(agent_decl,type,
agent: $i > $i > $i > $o ).
thf(patient_decl,type,
patient: $i > $i > $i > $o ).
thf(35,negated_conjecture,
! [C: $i,B: $i,A: $i] :
( ( C @ skf15 @ ( C @ skf12 @ ( skc2 @ patient ) ) )
| ~ ssSkC0
| ~ ( B @ ( skc2 @ customer ) )
| ~ ( A @ ( B @ ( skc2 @ in ) ) )
| ~ ( A @ ( skc2 @ restaurant ) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause35) ).
thf(69,plain,
! [C: $i,B: $i,A: $i] :
( ( C @ skf15 @ ( C @ skf12 @ ( skc2 @ patient ) ) )
| ~ ssSkC0
| ~ ( B @ ( skc2 @ customer ) )
| ~ ( A @ ( B @ ( skc2 @ in ) ) )
| ~ ( A @ ( skc2 @ restaurant ) ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[35]) ).
thf(25,negated_conjecture,
! [C: $i,B: $i,A: $i] :
( ( C @ skf13 @ ( skc2 @ nonreflexive ) )
| ~ ssSkC0
| ~ ( B @ ( skc2 @ customer ) )
| ~ ( A @ ( B @ ( skc2 @ in ) ) )
| ~ ( A @ ( skc2 @ restaurant ) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause25) ).
thf(56,plain,
! [C: $i,B: $i,A: $i] :
( ( C @ skf13 @ ( skc2 @ nonreflexive ) )
| ~ ssSkC0
| ~ ( B @ ( skc2 @ customer ) )
| ~ ( A @ ( B @ ( skc2 @ in ) ) )
| ~ ( A @ ( skc2 @ restaurant ) ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[25]) ).
thf(1,negated_conjecture,
skc13 @ actual_world,
file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause1) ).
thf(42,plain,
skc13 @ actual_world,
inference(defexp_and_simp_and_etaexpand,[status(thm)],[1]) ).
thf(4,negated_conjecture,
! [A: $i] :
( ( A @ skf34 @ ( A @ restaurant ) )
| ssSkC0
| ~ ( A @ actual_world ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause4) ).
thf(52,plain,
! [A: $i] :
( ( A @ skf34 @ ( A @ restaurant ) )
| ssSkC0
| ~ ( A @ actual_world ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[4]) ).
thf(33,negated_conjecture,
! [C: $i,B: $i,A: $i] :
( ( C @ skf28 @ ( C @ skf27 @ ( skc13 @ patient ) ) )
| ssSkC0
| ~ ( B @ ( skc13 @ customer ) )
| ~ ( A @ ( B @ ( skc13 @ in ) ) )
| ~ ( A @ ( skc13 @ restaurant ) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause33) ).
thf(60,plain,
! [C: $i,B: $i,A: $i] :
( ( C @ skf28 @ ( C @ skf27 @ ( skc13 @ patient ) ) )
| ssSkC0
| ~ ( B @ ( skc13 @ customer ) )
| ~ ( A @ ( B @ ( skc13 @ in ) ) )
| ~ ( A @ ( skc13 @ restaurant ) ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[33]) ).
thf(16,negated_conjecture,
! [C: $i,B: $i,A: $i] :
( ( C @ skf27 @ ( skc13 @ past ) )
| ssSkC0
| ~ ( B @ ( skc13 @ customer ) )
| ~ ( A @ ( B @ ( skc13 @ in ) ) )
| ~ ( A @ ( skc13 @ restaurant ) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause16) ).
thf(70,plain,
! [C: $i,B: $i,A: $i] :
( ( C @ skf27 @ ( skc13 @ past ) )
| ssSkC0
| ~ ( B @ ( skc13 @ customer ) )
| ~ ( A @ ( B @ ( skc13 @ in ) ) )
| ~ ( A @ ( skc13 @ restaurant ) ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[16]) ).
thf(34,negated_conjecture,
! [C: $i,B: $i,A: $i] :
( ( C @ skf15 @ ( C @ skf13 @ ( skc2 @ agent ) ) )
| ~ ssSkC0
| ~ ( B @ ( skc2 @ customer ) )
| ~ ( A @ ( B @ ( skc2 @ in ) ) )
| ~ ( A @ ( skc2 @ restaurant ) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause34) ).
thf(65,plain,
! [C: $i,B: $i,A: $i] :
( ( C @ skf15 @ ( C @ skf13 @ ( skc2 @ agent ) ) )
| ~ ssSkC0
| ~ ( B @ ( skc2 @ customer ) )
| ~ ( A @ ( B @ ( skc2 @ in ) ) )
| ~ ( A @ ( skc2 @ restaurant ) ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[34]) ).
thf(15,negated_conjecture,
! [C: $i,B: $i,A: $i] :
( ( C @ skf27 @ ( skc13 @ nonreflexive ) )
| ssSkC0
| ~ ( B @ ( skc13 @ customer ) )
| ~ ( A @ ( B @ ( skc13 @ in ) ) )
| ~ ( A @ ( skc13 @ restaurant ) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause15) ).
thf(53,plain,
! [C: $i,B: $i,A: $i] :
( ( C @ skf27 @ ( skc13 @ nonreflexive ) )
| ssSkC0
| ~ ( B @ ( skc13 @ customer ) )
| ~ ( A @ ( B @ ( skc13 @ in ) ) )
| ~ ( A @ ( skc13 @ restaurant ) ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[15]) ).
thf(14,negated_conjecture,
! [C: $i,B: $i,A: $i] :
( ( C @ skf27 @ ( skc13 @ drink ) )
| ssSkC0
| ~ ( B @ ( skc13 @ customer ) )
| ~ ( A @ ( B @ ( skc13 @ in ) ) )
| ~ ( A @ ( skc13 @ restaurant ) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause14) ).
thf(41,plain,
! [C: $i,B: $i,A: $i] :
( ( C @ skf27 @ ( skc13 @ drink ) )
| ssSkC0
| ~ ( B @ ( skc13 @ customer ) )
| ~ ( A @ ( B @ ( skc13 @ in ) ) )
| ~ ( A @ ( skc13 @ restaurant ) ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[14]) ).
thf(23,negated_conjecture,
! [C: $i,B: $i,A: $i] :
( ( C @ skf14 @ ( skc2 @ coffee ) )
| ~ ssSkC0
| ~ ( B @ ( skc2 @ customer ) )
| ~ ( A @ ( B @ ( skc2 @ in ) ) )
| ~ ( A @ ( skc2 @ restaurant ) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause23) ).
thf(73,plain,
! [C: $i,B: $i,A: $i] :
( ( C @ skf14 @ ( skc2 @ coffee ) )
| ~ ssSkC0
| ~ ( B @ ( skc2 @ customer ) )
| ~ ( A @ ( B @ ( skc2 @ in ) ) )
| ~ ( A @ ( skc2 @ restaurant ) ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[23]) ).
thf(22,negated_conjecture,
! [C: $i,B: $i,A: $i] :
( ( C @ skf12 @ ( skc2 @ see ) )
| ~ ssSkC0
| ~ ( B @ ( skc2 @ customer ) )
| ~ ( A @ ( B @ ( skc2 @ in ) ) )
| ~ ( A @ ( skc2 @ restaurant ) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause22) ).
thf(66,plain,
! [C: $i,B: $i,A: $i] :
( ( C @ skf12 @ ( skc2 @ see ) )
| ~ ssSkC0
| ~ ( B @ ( skc2 @ customer ) )
| ~ ( A @ ( B @ ( skc2 @ in ) ) )
| ~ ( A @ ( skc2 @ restaurant ) ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[22]) ).
thf(8,negated_conjecture,
! [A: $i] :
( ( A @ skf20 @ ( A @ skf25 @ ( A @ in ) ) )
| ~ ssSkC0
| ~ ( A @ actual_world ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause8) ).
thf(51,plain,
! [A: $i] :
( ( A @ skf20 @ ( A @ skf25 @ ( A @ in ) ) )
| ~ ssSkC0
| ~ ( A @ actual_world ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[8]) ).
thf(2,negated_conjecture,
skc2 @ actual_world,
file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause2) ).
thf(46,plain,
skc2 @ actual_world,
inference(defexp_and_simp_and_etaexpand,[status(thm)],[2]) ).
thf(20,negated_conjecture,
! [C: $i,B: $i,A: $i] :
( ( C @ skf12 @ ( skc2 @ past ) )
| ~ ssSkC0
| ~ ( B @ ( skc2 @ customer ) )
| ~ ( A @ ( B @ ( skc2 @ in ) ) )
| ~ ( A @ ( skc2 @ restaurant ) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause20) ).
thf(57,plain,
! [C: $i,B: $i,A: $i] :
( ( C @ skf12 @ ( skc2 @ past ) )
| ~ ssSkC0
| ~ ( B @ ( skc2 @ customer ) )
| ~ ( A @ ( B @ ( skc2 @ in ) ) )
| ~ ( A @ ( skc2 @ restaurant ) ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[20]) ).
thf(28,negated_conjecture,
! [C: $i,B: $i,A: $i] :
( ( C @ skf15 @ ( skc2 @ human_person ) )
| ~ ssSkC0
| ~ ( B @ ( skc2 @ customer ) )
| ~ ( A @ ( B @ ( skc2 @ in ) ) )
| ~ ( A @ ( skc2 @ restaurant ) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause28) ).
thf(61,plain,
! [C: $i,B: $i,A: $i] :
( ( C @ skf15 @ ( skc2 @ human_person ) )
| ~ ssSkC0
| ~ ( B @ ( skc2 @ customer ) )
| ~ ( A @ ( B @ ( skc2 @ in ) ) )
| ~ ( A @ ( skc2 @ restaurant ) ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[28]) ).
thf(36,negated_conjecture,
! [C: $i,B: $i,A: $i] :
( ( C @ skf14 @ ( C @ skf13 @ ( skc2 @ patient ) ) )
| ~ ssSkC0
| ~ ( B @ ( skc2 @ customer ) )
| ~ ( A @ ( B @ ( skc2 @ in ) ) )
| ~ ( A @ ( skc2 @ restaurant ) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause36) ).
thf(74,plain,
! [C: $i,B: $i,A: $i] :
( ( C @ skf14 @ ( C @ skf13 @ ( skc2 @ patient ) ) )
| ~ ssSkC0
| ~ ( B @ ( skc2 @ customer ) )
| ~ ( A @ ( B @ ( skc2 @ in ) ) )
| ~ ( A @ ( skc2 @ restaurant ) ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[36]) ).
thf(13,negated_conjecture,
! [C: $i,B: $i,A: $i] :
( ( C @ skf29 @ ( skc13 @ human_person ) )
| ssSkC0
| ~ ( B @ ( skc13 @ customer ) )
| ~ ( A @ ( B @ ( skc13 @ in ) ) )
| ~ ( A @ ( skc13 @ restaurant ) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause13) ).
thf(45,plain,
! [C: $i,B: $i,A: $i] :
( ( C @ skf29 @ ( skc13 @ human_person ) )
| ssSkC0
| ~ ( B @ ( skc13 @ customer ) )
| ~ ( A @ ( B @ ( skc13 @ in ) ) )
| ~ ( A @ ( skc13 @ restaurant ) ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[13]) ).
thf(32,negated_conjecture,
! [C: $i,B: $i,A: $i] :
( ( C @ skf29 @ ( C @ skf27 @ ( skc13 @ agent ) ) )
| ssSkC0
| ~ ( B @ ( skc13 @ customer ) )
| ~ ( A @ ( B @ ( skc13 @ in ) ) )
| ~ ( A @ ( skc13 @ restaurant ) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause32) ).
thf(64,plain,
! [C: $i,B: $i,A: $i] :
( ( C @ skf29 @ ( C @ skf27 @ ( skc13 @ agent ) ) )
| ssSkC0
| ~ ( B @ ( skc13 @ customer ) )
| ~ ( A @ ( B @ ( skc13 @ in ) ) )
| ~ ( A @ ( skc13 @ restaurant ) ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[32]) ).
thf(9,negated_conjecture,
! [C: $i,B: $i,A: $i] :
( ( C @ skf26 @ ( skc13 @ event ) )
| ssSkC0
| ~ ( B @ ( skc13 @ customer ) )
| ~ ( A @ ( B @ ( skc13 @ in ) ) )
| ~ ( A @ ( skc13 @ restaurant ) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause9) ).
thf(44,plain,
! [C: $i,B: $i,A: $i] :
( ( C @ skf26 @ ( skc13 @ event ) )
| ssSkC0
| ~ ( B @ ( skc13 @ customer ) )
| ~ ( A @ ( B @ ( skc13 @ in ) ) )
| ~ ( A @ ( skc13 @ restaurant ) ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[9]) ).
thf(21,negated_conjecture,
! [C: $i,B: $i,A: $i] :
( ( C @ skf12 @ ( skc2 @ nonreflexive ) )
| ~ ssSkC0
| ~ ( B @ ( skc2 @ customer ) )
| ~ ( A @ ( B @ ( skc2 @ in ) ) )
| ~ ( A @ ( skc2 @ restaurant ) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause21) ).
thf(59,plain,
! [C: $i,B: $i,A: $i] :
( ( C @ skf12 @ ( skc2 @ nonreflexive ) )
| ~ ssSkC0
| ~ ( B @ ( skc2 @ customer ) )
| ~ ( A @ ( B @ ( skc2 @ in ) ) )
| ~ ( A @ ( skc2 @ restaurant ) ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[21]) ).
thf(31,negated_conjecture,
! [C: $i,B: $i,A: $i] :
( ( C @ skf29 @ ( C @ skf26 @ ( skc13 @ patient ) ) )
| ssSkC0
| ~ ( B @ ( skc13 @ customer ) )
| ~ ( A @ ( B @ ( skc13 @ in ) ) )
| ~ ( A @ ( skc13 @ restaurant ) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause31) ).
thf(71,plain,
! [C: $i,B: $i,A: $i] :
( ( C @ skf29 @ ( C @ skf26 @ ( skc13 @ patient ) ) )
| ssSkC0
| ~ ( B @ ( skc13 @ customer ) )
| ~ ( A @ ( B @ ( skc13 @ in ) ) )
| ~ ( A @ ( skc13 @ restaurant ) ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[31]) ).
thf(24,negated_conjecture,
! [C: $i,B: $i,A: $i] :
( ( C @ skf13 @ ( skc2 @ drink ) )
| ~ ssSkC0
| ~ ( B @ ( skc2 @ customer ) )
| ~ ( A @ ( B @ ( skc2 @ in ) ) )
| ~ ( A @ ( skc2 @ restaurant ) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause24) ).
thf(54,plain,
! [C: $i,B: $i,A: $i] :
( ( C @ skf13 @ ( skc2 @ drink ) )
| ~ ssSkC0
| ~ ( B @ ( skc2 @ customer ) )
| ~ ( A @ ( B @ ( skc2 @ in ) ) )
| ~ ( A @ ( skc2 @ restaurant ) ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[24]) ).
thf(18,negated_conjecture,
! [C: $i,B: $i,A: $i] :
( ( C @ skf28 @ ( skc13 @ coffee ) )
| ssSkC0
| ~ ( B @ ( skc13 @ customer ) )
| ~ ( A @ ( B @ ( skc13 @ in ) ) )
| ~ ( A @ ( skc13 @ restaurant ) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause18) ).
thf(49,plain,
! [C: $i,B: $i,A: $i] :
( ( C @ skf28 @ ( skc13 @ coffee ) )
| ssSkC0
| ~ ( B @ ( skc13 @ customer ) )
| ~ ( A @ ( B @ ( skc13 @ in ) ) )
| ~ ( A @ ( skc13 @ restaurant ) ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[18]) ).
thf(19,negated_conjecture,
! [C: $i,B: $i,A: $i] :
( ( C @ skf12 @ ( skc2 @ event ) )
| ~ ssSkC0
| ~ ( B @ ( skc2 @ customer ) )
| ~ ( A @ ( B @ ( skc2 @ in ) ) )
| ~ ( A @ ( skc2 @ restaurant ) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause19) ).
thf(76,plain,
! [C: $i,B: $i,A: $i] :
( ( C @ skf12 @ ( skc2 @ event ) )
| ~ ssSkC0
| ~ ( B @ ( skc2 @ customer ) )
| ~ ( A @ ( B @ ( skc2 @ in ) ) )
| ~ ( A @ ( skc2 @ restaurant ) ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[19]) ).
thf(5,negated_conjecture,
! [A: $i] :
( ( A @ skf25 @ ( A @ customer ) )
| ~ ssSkC0
| ~ ( A @ actual_world ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause5) ).
thf(39,plain,
! [A: $i] :
( ( A @ skf25 @ ( A @ customer ) )
| ~ ssSkC0
| ~ ( A @ actual_world ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[5]) ).
thf(7,negated_conjecture,
! [A: $i] :
( ( A @ skf34 @ ( A @ skf39 @ ( A @ in ) ) )
| ssSkC0
| ~ ( A @ actual_world ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause7) ).
thf(48,plain,
! [A: $i] :
( ( A @ skf34 @ ( A @ skf39 @ ( A @ in ) ) )
| ssSkC0
| ~ ( A @ actual_world ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[7]) ).
thf(17,negated_conjecture,
! [C: $i,B: $i,A: $i] :
( ( C @ skf27 @ ( skc13 @ event ) )
| ssSkC0
| ~ ( B @ ( skc13 @ customer ) )
| ~ ( A @ ( B @ ( skc13 @ in ) ) )
| ~ ( A @ ( skc13 @ restaurant ) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause17) ).
thf(63,plain,
! [C: $i,B: $i,A: $i] :
( ( C @ skf27 @ ( skc13 @ event ) )
| ssSkC0
| ~ ( B @ ( skc13 @ customer ) )
| ~ ( A @ ( B @ ( skc13 @ in ) ) )
| ~ ( A @ ( skc13 @ restaurant ) ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[17]) ).
thf(11,negated_conjecture,
! [C: $i,B: $i,A: $i] :
( ( C @ skf26 @ ( skc13 @ nonreflexive ) )
| ssSkC0
| ~ ( B @ ( skc13 @ customer ) )
| ~ ( A @ ( B @ ( skc13 @ in ) ) )
| ~ ( A @ ( skc13 @ restaurant ) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause11) ).
thf(50,plain,
! [C: $i,B: $i,A: $i] :
( ( C @ skf26 @ ( skc13 @ nonreflexive ) )
| ssSkC0
| ~ ( B @ ( skc13 @ customer ) )
| ~ ( A @ ( B @ ( skc13 @ in ) ) )
| ~ ( A @ ( skc13 @ restaurant ) ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[11]) ).
thf(27,negated_conjecture,
! [C: $i,B: $i,A: $i] :
( ( C @ skf13 @ ( skc2 @ event ) )
| ~ ssSkC0
| ~ ( B @ ( skc2 @ customer ) )
| ~ ( A @ ( B @ ( skc2 @ in ) ) )
| ~ ( A @ ( skc2 @ restaurant ) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause27) ).
thf(67,plain,
! [C: $i,B: $i,A: $i] :
( ( C @ skf13 @ ( skc2 @ event ) )
| ~ ssSkC0
| ~ ( B @ ( skc2 @ customer ) )
| ~ ( A @ ( B @ ( skc2 @ in ) ) )
| ~ ( A @ ( skc2 @ restaurant ) ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[27]) ).
thf(26,negated_conjecture,
! [C: $i,B: $i,A: $i] :
( ( C @ skf13 @ ( skc2 @ past ) )
| ~ ssSkC0
| ~ ( B @ ( skc2 @ customer ) )
| ~ ( A @ ( B @ ( skc2 @ in ) ) )
| ~ ( A @ ( skc2 @ restaurant ) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause26) ).
thf(72,plain,
! [C: $i,B: $i,A: $i] :
( ( C @ skf13 @ ( skc2 @ past ) )
| ~ ssSkC0
| ~ ( B @ ( skc2 @ customer ) )
| ~ ( A @ ( B @ ( skc2 @ in ) ) )
| ~ ( A @ ( skc2 @ restaurant ) ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[26]) ).
thf(6,negated_conjecture,
! [A: $i] :
( ( A @ skf20 @ ( A @ restaurant ) )
| ~ ssSkC0
| ~ ( A @ actual_world ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause6) ).
thf(43,plain,
! [A: $i] :
( ( A @ skf20 @ ( A @ restaurant ) )
| ~ ssSkC0
| ~ ( A @ actual_world ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[6]) ).
thf(10,negated_conjecture,
! [C: $i,B: $i,A: $i] :
( ( C @ skf26 @ ( skc13 @ past ) )
| ssSkC0
| ~ ( B @ ( skc13 @ customer ) )
| ~ ( A @ ( B @ ( skc13 @ in ) ) )
| ~ ( A @ ( skc13 @ restaurant ) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause10) ).
thf(40,plain,
! [C: $i,B: $i,A: $i] :
( ( C @ skf26 @ ( skc13 @ past ) )
| ssSkC0
| ~ ( B @ ( skc13 @ customer ) )
| ~ ( A @ ( B @ ( skc13 @ in ) ) )
| ~ ( A @ ( skc13 @ restaurant ) ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[10]) ).
thf(37,negated_conjecture,
! [E: $i,D: $i,C: $i,B: $i,A: $i] :
( ssSkC0
| ~ ( A @ actual_world )
| ~ ( E @ ( B @ ( A @ patient ) ) )
| ~ ( E @ ( C @ ( A @ agent ) ) )
| ~ ( E @ ( A @ human_person ) )
| ~ ( C @ ( A @ event ) )
| ~ ( C @ ( A @ past ) )
| ~ ( C @ ( A @ nonreflexive ) )
| ~ ( C @ ( A @ drink ) )
| ~ ( D @ ( A @ coffee ) )
| ~ ( D @ ( C @ ( A @ patient ) ) )
| ~ ( B @ ( A @ see ) )
| ~ ( B @ ( A @ nonreflexive ) )
| ~ ( B @ ( A @ past ) )
| ~ ( A @ skf39 @ ( B @ ( A @ agent ) ) )
| ~ ( B @ ( A @ event ) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause37) ).
thf(55,plain,
! [E: $i,D: $i,C: $i,B: $i,A: $i] :
( ssSkC0
| ~ ( A @ actual_world )
| ~ ( E @ ( B @ ( A @ patient ) ) )
| ~ ( E @ ( C @ ( A @ agent ) ) )
| ~ ( E @ ( A @ human_person ) )
| ~ ( C @ ( A @ event ) )
| ~ ( C @ ( A @ past ) )
| ~ ( C @ ( A @ nonreflexive ) )
| ~ ( C @ ( A @ drink ) )
| ~ ( D @ ( A @ coffee ) )
| ~ ( D @ ( C @ ( A @ patient ) ) )
| ~ ( B @ ( A @ see ) )
| ~ ( B @ ( A @ nonreflexive ) )
| ~ ( B @ ( A @ past ) )
| ~ ( A @ skf39 @ ( B @ ( A @ agent ) ) )
| ~ ( B @ ( A @ event ) ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[37]) ).
thf(30,negated_conjecture,
! [B: $i,A: $i] :
( ( B @ ( B @ skf12 @ ( skc2 @ agent ) ) )
| ~ ssSkC0
| ~ ( B @ ( skc2 @ customer ) )
| ~ ( A @ ( B @ ( skc2 @ in ) ) )
| ~ ( A @ ( skc2 @ restaurant ) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause30) ).
thf(75,plain,
! [B: $i,A: $i] :
( ( B @ ( B @ skf12 @ ( skc2 @ agent ) ) )
| ~ ssSkC0
| ~ ( B @ ( skc2 @ customer ) )
| ~ ( A @ ( B @ ( skc2 @ in ) ) )
| ~ ( A @ ( skc2 @ restaurant ) ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[30]) ).
thf(29,negated_conjecture,
! [B: $i,A: $i] :
( ( B @ ( B @ skf26 @ ( skc13 @ agent ) ) )
| ssSkC0
| ~ ( B @ ( skc13 @ customer ) )
| ~ ( A @ ( B @ ( skc13 @ in ) ) )
| ~ ( A @ ( skc13 @ restaurant ) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause29) ).
thf(58,plain,
! [B: $i,A: $i] :
( ( B @ ( B @ skf26 @ ( skc13 @ agent ) ) )
| ssSkC0
| ~ ( B @ ( skc13 @ customer ) )
| ~ ( A @ ( B @ ( skc13 @ in ) ) )
| ~ ( A @ ( skc13 @ restaurant ) ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[29]) ).
thf(12,negated_conjecture,
! [C: $i,B: $i,A: $i] :
( ( C @ skf26 @ ( skc13 @ see ) )
| ssSkC0
| ~ ( B @ ( skc13 @ customer ) )
| ~ ( A @ ( B @ ( skc13 @ in ) ) )
| ~ ( A @ ( skc13 @ restaurant ) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause12) ).
thf(47,plain,
! [C: $i,B: $i,A: $i] :
( ( C @ skf26 @ ( skc13 @ see ) )
| ssSkC0
| ~ ( B @ ( skc13 @ customer ) )
| ~ ( A @ ( B @ ( skc13 @ in ) ) )
| ~ ( A @ ( skc13 @ restaurant ) ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[12]) ).
thf(3,negated_conjecture,
! [A: $i] :
( ( A @ skf39 @ ( A @ customer ) )
| ssSkC0
| ~ ( A @ actual_world ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause3) ).
thf(68,plain,
! [A: $i] :
( ( A @ skf39 @ ( A @ customer ) )
| ssSkC0
| ~ ( A @ actual_world ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[3]) ).
thf(38,negated_conjecture,
! [E: $i,D: $i,C: $i,B: $i,A: $i] :
( ~ ssSkC0
| ~ ( A @ actual_world )
| ~ ( E @ ( D @ ( A @ patient ) ) )
| ~ ( E @ ( A @ coffee ) )
| ~ ( D @ ( A @ event ) )
| ~ ( D @ ( A @ past ) )
| ~ ( D @ ( A @ nonreflexive ) )
| ~ ( D @ ( A @ drink ) )
| ~ ( C @ ( A @ human_person ) )
| ~ ( C @ ( D @ ( A @ agent ) ) )
| ~ ( C @ ( B @ ( A @ patient ) ) )
| ~ ( B @ ( A @ see ) )
| ~ ( B @ ( A @ nonreflexive ) )
| ~ ( B @ ( A @ past ) )
| ~ ( A @ skf25 @ ( B @ ( A @ agent ) ) )
| ~ ( B @ ( A @ event ) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause38) ).
thf(62,plain,
! [E: $i,D: $i,C: $i,B: $i,A: $i] :
( ~ ssSkC0
| ~ ( A @ actual_world )
| ~ ( E @ ( D @ ( A @ patient ) ) )
| ~ ( E @ ( A @ coffee ) )
| ~ ( D @ ( A @ event ) )
| ~ ( D @ ( A @ past ) )
| ~ ( D @ ( A @ nonreflexive ) )
| ~ ( D @ ( A @ drink ) )
| ~ ( C @ ( A @ human_person ) )
| ~ ( C @ ( D @ ( A @ agent ) ) )
| ~ ( C @ ( B @ ( A @ patient ) ) )
| ~ ( B @ ( A @ see ) )
| ~ ( B @ ( A @ nonreflexive ) )
| ~ ( B @ ( A @ past ) )
| ~ ( A @ skf25 @ ( B @ ( A @ agent ) ) )
| ~ ( B @ ( A @ event ) ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[38]) ).
thf(119,plain,
$false,
inference(e,[status(thm)],[69,56,42,52,60,70,65,53,41,73,66,51,46,57,61,74,45,64,44,59,71,54,49,76,39,48,63,50,67,72,43,40,55,75,58,47,68,62]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : NLP094-1 : TPTP v9.3.1. Released v2.4.0.
% 0.00/0.11 % Command : java -Xss128m -Xmx2g -Xms1g -jar /export/starexec/sandbox/solver/bin/leo3.jar /export/starexec/sandbox/benchmark/theBenchmark.p -t 300 -p --atp eprover=/export/starexec/sandbox/solver/bin/externals/eprover --instantiate 39
% 0.14/0.48 % Computer : n009.cluster.edu
% 0.14/0.48 % Model : x86_64 x86_64
% 0.14/0.48 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.48 % Memory : 8046.5625MB
% 0.14/0.48 % OS : Linux 6.8.0-71-generic
% 0.14/0.48 % CPULimit : 300
% 0.14/0.48 % WCLimit : 300
% 0.14/0.48 % DateTime : Sat Sep 26 00:50:14 UTC 2026
% 0.18/0.48 % CPUTime :
% 0.18/0.48 Running java -Xss128m -Xmx2g -Xms1g -jar /export/starexec/sandbox/solver/bin/leo3.jar /export/starexec/sandbox/benchmark/theBenchmark.p -t 300 -p --atp eprover=/export/starexec/sandbox/solver/bin/externals/eprover --instantiate 39
% 0.90/1.34 % [INFO] Parsing problem /export/starexec/sandbox/benchmark/theBenchmark.p ...
% 1.13/1.60 % [INFO] Parsing done (258ms).
% 1.32/1.62 % [INFO] Running in sequential loop mode.
% 1.84/2.12 % [INFO] eprover registered as external prover.
% 1.84/2.13 % [INFO] Scanning for conjecture ...
% 2.19/2.38 % [INFO] Found a conjecture (or negated_conjecture) and 0 axioms. Running axiom selection ...
% 2.58/2.51 % [INFO] Axiom selection finished. Selected 0 axioms (removed 0 axioms).
% 2.58/2.51 % [INFO] Problem is propositional (TPTP CNF).
% 2.58/2.52 % [INFO] Type checking passed.
% 2.58/2.53 % [CONFIG] Using configuration: timeout(300) with strategy<name(default),share(1.0),primSubst(3),sos(false),unifierCount(4),uniDepth(8),boolExt(true),choice(true),renaming(true),funcspec(false), domConstr(0),specialInstances(39),restrictUniAttempts(true),termOrdering(CPO)>. Searching for refutation ...
% 4.88/3.77 % External prover 'e' found a proof!
% 4.88/3.78 % [INFO] Killing All external provers ...
% 4.88/3.78 % Time passed: 3043ms (effective reasoning time: 2153ms)
% 4.88/3.78 % Axioms used in derivation (0):
% 4.88/3.78 % No. of inferences in proof: 77
% 4.88/3.78 % SZS status Unsatisfiable for /export/starexec/sandbox/benchmark/theBenchmark.p : 3043 ms resp. 2153 ms w/o parsing
% 5.10/3.86 % SZS output start Refutation for /export/starexec/sandbox/benchmark/theBenchmark.p
% See solution above
% 5.10/3.86 % [INFO] Killing All external provers ...
%------------------------------------------------------------------------------