%------------------------------------------------------------------------------
% File : Leo-III---1.8.0
% Problem : PUZ005-1 : TPTP v9.3.1. Released v1.0.0.
% 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 : n012.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 08:21:03 AM UTC 2026
% Result : Unsatisfiable 2.04s 6.56s
% Output : Refutation 2.32s
% Verified :
% SZS Type : Refutation
% Derivation depth : 2
% Number of leaves : 51
% Syntax : Number of formulae : 103 ( 7 unt; 0 typ; 0 def)
% Number of atoms : 225 ( 0 equ; 0 cnn)
% Maximal formula atoms : 7 ( 2 avg)
% Number of connectives : 608 ( 142 ~; 122 |; 0 &; 344 @)
% ( 0 <=>; 0 =>; 0 <=; 0 <~>)
% Maximal formula depth : 10 ( 5 avg)
% Number of types : 2 ( 0 usr)
% Number of type conns : 0 ( 0 >; 0 *; 0 +; 0 <<)
% Number of symbols : 15 ( 14 usr; 4 con; 0-3 aty)
% Number of variables : 112 ( 0 ^; 112 !; 0 ?; 112 :)
% Comments :
%------------------------------------------------------------------------------
thf(thursday_decl,type,
thursday: $i > $o ).
thf(today_decl,type,
today: $i ).
thf(monday_decl,type,
monday: $i > $o ).
thf(yesterday_decl,type,
yesterday: $i > $i ).
thf(tuesday_decl,type,
tuesday: $i > $o ).
thf(wednesday_decl,type,
wednesday: $i > $o ).
thf(saturday_decl,type,
saturday: $i > $o ).
thf(member_decl,type,
member: $i > $i > $o ).
thf(lying_days_decl,type,
lying_days: $i > $i ).
thf(admits_decl,type,
admits: $i > $i > $i > $o ).
thf(sunday_decl,type,
sunday: $i > $o ).
thf(lion_decl,type,
lion: $i ).
thf(friday_decl,type,
friday: $i > $o ).
thf(unicorn_decl,type,
unicorn: $i ).
thf(19,axiom,
! [A: $i] :
( ~ ( A @ wednesday )
| ~ ( A @ monday ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',monday_not_wednesday) ).
thf(88,plain,
! [A: $i] :
( ~ ( A @ wednesday )
| ~ ( A @ monday ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[19]) ).
thf(35,axiom,
! [A: $i] :
( ( A @ wednesday )
| ~ ( A @ yesterday @ tuesday ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',tuesday_yesterday) ).
thf(120,plain,
! [A: $i] :
( ( A @ wednesday )
| ~ ( A @ yesterday @ tuesday ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[35]) ).
thf(3,axiom,
! [A: $i] :
( ~ ( A @ saturday )
| ~ ( A @ wednesday ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',wednesday_not_saturday) ).
thf(56,plain,
! [A: $i] :
( ~ ( A @ saturday )
| ~ ( A @ wednesday ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[3]) ).
thf(14,axiom,
! [A: $i] :
( ~ ( A @ sunday )
| ~ ( A @ tuesday ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',tuesday_not_sunday) ).
thf(78,plain,
! [A: $i] :
( ~ ( A @ sunday )
| ~ ( A @ tuesday ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[14]) ).
thf(21,axiom,
! [C: $i,B: $i,A: $i] :
( ( B @ lying_days @ ( C @ member ) )
| ~ ( C @ ( A @ ( B @ admits ) ) )
| ( B @ lying_days @ ( A @ member ) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',admissions1) ).
thf(92,plain,
! [C: $i,B: $i,A: $i] :
( ( B @ lying_days @ ( C @ member ) )
| ~ ( C @ ( A @ ( B @ admits ) ) )
| ( B @ lying_days @ ( A @ member ) ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[21]) ).
thf(46,axiom,
! [A: $i] :
( ~ ( A @ thursday )
| ( A @ yesterday @ wednesday ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',yesterday_wednesday) ).
thf(141,plain,
! [A: $i] :
( ~ ( A @ thursday )
| ( A @ yesterday @ wednesday ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[46]) ).
thf(39,axiom,
! [A: $i] :
( ( A @ sunday )
| ( A @ saturday )
| ( A @ friday )
| ( A @ thursday )
| ( A @ wednesday )
| ( A @ tuesday )
| ( A @ monday ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',it_is_a_day) ).
thf(128,plain,
! [A: $i] :
( ( A @ sunday )
| ( A @ saturday )
| ( A @ friday )
| ( A @ thursday )
| ( A @ wednesday )
| ( A @ tuesday )
| ( A @ monday ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[39]) ).
thf(34,axiom,
! [A: $i] :
( ~ ( A @ wednesday )
| ~ ( A @ tuesday ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',tuesday_not_wednesday) ).
thf(118,plain,
! [A: $i] :
( ~ ( A @ wednesday )
| ~ ( A @ tuesday ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[34]) ).
thf(27,axiom,
! [A: $i] :
( ( A @ sunday )
| ~ ( A @ yesterday @ saturday ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',saturday_yesterday) ).
thf(104,plain,
! [A: $i] :
( ( A @ sunday )
| ~ ( A @ yesterday @ saturday ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[27]) ).
thf(51,axiom,
today @ yesterday @ ( today @ ( unicorn @ admits ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',admissions6) ).
thf(151,plain,
today @ yesterday @ ( today @ ( unicorn @ admits ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[51]) ).
thf(1,negated_conjecture,
~ ( today @ thursday ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_today_is_thursday) ).
thf(52,plain,
~ ( today @ thursday ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[1]) ).
thf(30,axiom,
! [C: $i,B: $i,A: $i] :
( ~ ( B @ lying_days @ ( C @ member ) )
| ~ ( C @ ( A @ ( B @ admits ) ) )
| ~ ( B @ lying_days @ ( A @ member ) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',admissions3) ).
thf(110,plain,
! [C: $i,B: $i,A: $i] :
( ~ ( B @ lying_days @ ( C @ member ) )
| ~ ( C @ ( A @ ( B @ admits ) ) )
| ~ ( B @ lying_days @ ( A @ member ) ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[30]) ).
thf(28,axiom,
! [A: $i] :
( ( A @ saturday )
| ~ ( A @ yesterday @ friday ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',friday_yesterday) ).
thf(106,plain,
! [A: $i] :
( ( A @ saturday )
| ~ ( A @ yesterday @ friday ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[28]) ).
thf(17,axiom,
! [A: $i] :
( ~ ( A @ tuesday )
| ( A @ yesterday @ monday ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',yesterday_monday) ).
thf(84,plain,
! [A: $i] :
( ~ ( A @ tuesday )
| ( A @ yesterday @ monday ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[17]) ).
thf(49,axiom,
! [A: $i] :
( ( unicorn @ lying_days @ ( A @ member ) )
| ~ ( A @ thursday ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',unicorn_lies_on_thursday) ).
thf(147,plain,
! [A: $i] :
( ( unicorn @ lying_days @ ( A @ member ) )
| ~ ( A @ thursday ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[49]) ).
thf(42,axiom,
! [A: $i] :
( ~ ( A @ thursday )
| ~ ( A @ tuesday ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',tuesday_not_thursday) ).
thf(133,plain,
! [A: $i] :
( ~ ( A @ thursday )
| ~ ( A @ tuesday ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[42]) ).
thf(33,axiom,
! [A: $i] :
( ~ ( A @ sunday )
| ( A @ yesterday @ saturday ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',yesterday_saturday) ).
thf(116,plain,
! [A: $i] :
( ~ ( A @ sunday )
| ( A @ yesterday @ saturday ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[33]) ).
thf(12,axiom,
! [A: $i] :
( ( A @ wednesday )
| ( A @ tuesday )
| ( A @ monday )
| ~ ( lion @ lying_days @ ( A @ member ) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',lions_lying_days) ).
thf(74,plain,
! [A: $i] :
( ( A @ wednesday )
| ( A @ tuesday )
| ( A @ monday )
| ~ ( lion @ lying_days @ ( A @ member ) ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[12]) ).
thf(5,axiom,
! [A: $i] :
( ~ ( A @ sunday )
| ~ ( A @ monday ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',monday_not_sunday) ).
thf(60,plain,
! [A: $i] :
( ~ ( A @ sunday )
| ~ ( A @ monday ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[5]) ).
thf(26,axiom,
! [A: $i] :
( ~ ( A @ friday )
| ~ ( A @ tuesday ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',tuesday_not_friday) ).
thf(102,plain,
! [A: $i] :
( ~ ( A @ friday )
| ~ ( A @ tuesday ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[26]) ).
thf(10,axiom,
! [A: $i] :
( ~ ( A @ friday )
| ~ ( A @ wednesday ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',wednesday_not_friday) ).
thf(70,plain,
! [A: $i] :
( ~ ( A @ friday )
| ~ ( A @ wednesday ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[10]) ).
thf(44,axiom,
! [A: $i] :
( ( A @ friday )
| ~ ( A @ yesterday @ thursday ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',thursday_yesterday) ).
thf(137,plain,
! [A: $i] :
( ( A @ friday )
| ~ ( A @ yesterday @ thursday ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[44]) ).
thf(37,axiom,
! [A: $i] :
( ( A @ saturday )
| ( A @ friday )
| ( A @ thursday )
| ~ ( unicorn @ lying_days @ ( A @ member ) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',unicorns_lying_days) ).
thf(124,plain,
! [A: $i] :
( ( A @ saturday )
| ( A @ friday )
| ( A @ thursday )
| ~ ( unicorn @ lying_days @ ( A @ member ) ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[37]) ).
thf(23,axiom,
! [A: $i] :
( ~ ( A @ monday )
| ( A @ yesterday @ sunday ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',yesterday_sunday) ).
thf(96,plain,
! [A: $i] :
( ~ ( A @ monday )
| ( A @ yesterday @ sunday ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[23]) ).
thf(7,axiom,
! [A: $i] :
( ( lion @ lying_days @ ( A @ member ) )
| ~ ( A @ tuesday ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',lion_lies_on_tuesday) ).
thf(64,plain,
! [A: $i] :
( ( lion @ lying_days @ ( A @ member ) )
| ~ ( A @ tuesday ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[7]) ).
thf(50,axiom,
! [A: $i] :
( ~ ( A @ saturday )
| ~ ( A @ thursday ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',thursday_not_saturday) ).
thf(149,plain,
! [A: $i] :
( ~ ( A @ saturday )
| ~ ( A @ thursday ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[50]) ).
thf(2,axiom,
! [A: $i] :
( ( A @ tuesday )
| ~ ( A @ yesterday @ monday ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',monday_yesterday) ).
thf(54,plain,
! [A: $i] :
( ( A @ tuesday )
| ~ ( A @ yesterday @ monday ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[2]) ).
thf(18,axiom,
! [A: $i] :
( ( unicorn @ lying_days @ ( A @ member ) )
| ~ ( A @ friday ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',unicorn_lies_on_friday) ).
thf(86,plain,
! [A: $i] :
( ( unicorn @ lying_days @ ( A @ member ) )
| ~ ( A @ friday ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[18]) ).
thf(13,axiom,
! [C: $i,B: $i,A: $i] :
( ( B @ lying_days @ ( C @ member ) )
| ( C @ ( A @ ( B @ admits ) ) )
| ~ ( B @ lying_days @ ( A @ member ) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',admissions4) ).
thf(76,plain,
! [C: $i,B: $i,A: $i] :
( ( B @ lying_days @ ( C @ member ) )
| ( C @ ( A @ ( B @ admits ) ) )
| ~ ( B @ lying_days @ ( A @ member ) ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[13]) ).
thf(24,axiom,
! [A: $i] :
( ( unicorn @ lying_days @ ( A @ member ) )
| ~ ( A @ saturday ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',unicorn_lies_on_saturday) ).
thf(98,plain,
! [A: $i] :
( ( unicorn @ lying_days @ ( A @ member ) )
| ~ ( A @ saturday ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[24]) ).
thf(8,axiom,
! [A: $i] :
( ( lion @ lying_days @ ( A @ member ) )
| ~ ( A @ monday ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',lion_lies_on_monday) ).
thf(66,plain,
! [A: $i] :
( ( lion @ lying_days @ ( A @ member ) )
| ~ ( A @ monday ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[8]) ).
thf(29,axiom,
! [A: $i] :
( ~ ( A @ saturday )
| ~ ( A @ monday ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',monday_not_saturday) ).
thf(108,plain,
! [A: $i] :
( ~ ( A @ saturday )
| ~ ( A @ monday ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[29]) ).
thf(40,axiom,
today @ yesterday @ ( today @ ( lion @ admits ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',admissions5) ).
thf(130,plain,
today @ yesterday @ ( today @ ( lion @ admits ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[40]) ).
thf(43,axiom,
! [A: $i] :
( ~ ( A @ sunday )
| ~ ( A @ thursday ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',thursday_not_sunday) ).
thf(135,plain,
! [A: $i] :
( ~ ( A @ sunday )
| ~ ( A @ thursday ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[43]) ).
thf(15,axiom,
! [A: $i] :
( ( lion @ lying_days @ ( A @ member ) )
| ~ ( A @ wednesday ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',lion_lies_on_wednesday) ).
thf(80,plain,
! [A: $i] :
( ( lion @ lying_days @ ( A @ member ) )
| ~ ( A @ wednesday ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[15]) ).
thf(31,axiom,
! [A: $i] :
( ~ ( A @ sunday )
| ~ ( A @ wednesday ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',wednesday_not_sunday) ).
thf(112,plain,
! [A: $i] :
( ~ ( A @ sunday )
| ~ ( A @ wednesday ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[31]) ).
thf(48,axiom,
! [A: $i] :
( ~ ( A @ friday )
| ( A @ yesterday @ thursday ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',yesterday_thursday) ).
thf(145,plain,
! [A: $i] :
( ~ ( A @ friday )
| ( A @ yesterday @ thursday ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[48]) ).
thf(11,axiom,
! [A: $i] :
( ~ ( A @ sunday )
| ~ ( A @ friday ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',friday_not_sunday) ).
thf(72,plain,
! [A: $i] :
( ~ ( A @ sunday )
| ~ ( A @ friday ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[11]) ).
thf(47,axiom,
! [A: $i] :
( ~ ( A @ thursday )
| ~ ( A @ monday ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',monday_not_thursday) ).
thf(143,plain,
! [A: $i] :
( ~ ( A @ thursday )
| ~ ( A @ monday ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[47]) ).
thf(32,axiom,
! [A: $i] :
( ~ ( A @ saturday )
| ( A @ yesterday @ friday ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',yesterday_friday) ).
thf(114,plain,
! [A: $i] :
( ~ ( A @ saturday )
| ( A @ yesterday @ friday ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[32]) ).
thf(45,axiom,
! [A: $i] :
( ~ ( A @ thursday )
| ~ ( A @ wednesday ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',wednesday_not_thursday) ).
thf(139,plain,
! [A: $i] :
( ~ ( A @ thursday )
| ~ ( A @ wednesday ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[45]) ).
thf(4,axiom,
! [C: $i,B: $i,A: $i] :
( ~ ( B @ lying_days @ ( C @ member ) )
| ( C @ ( A @ ( B @ admits ) ) )
| ( B @ lying_days @ ( A @ member ) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',admissions2) ).
thf(58,plain,
! [C: $i,B: $i,A: $i] :
( ~ ( B @ lying_days @ ( C @ member ) )
| ( C @ ( A @ ( B @ admits ) ) )
| ( B @ lying_days @ ( A @ member ) ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[4]) ).
thf(16,axiom,
! [A: $i] :
( ~ ( A @ friday )
| ~ ( A @ monday ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',monday_not_friday) ).
thf(82,plain,
! [A: $i] :
( ~ ( A @ friday )
| ~ ( A @ monday ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[16]) ).
thf(38,axiom,
! [A: $i] :
( ~ ( A @ friday )
| ~ ( A @ thursday ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',thursday_not_friday) ).
thf(126,plain,
! [A: $i] :
( ~ ( A @ friday )
| ~ ( A @ thursday ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[38]) ).
thf(22,axiom,
! [A: $i] :
( ~ ( A @ sunday )
| ~ ( A @ saturday ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',saturday_not_sunday) ).
thf(94,plain,
! [A: $i] :
( ~ ( A @ sunday )
| ~ ( A @ saturday ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[22]) ).
thf(41,axiom,
! [A: $i] :
( ( A @ thursday )
| ~ ( A @ yesterday @ wednesday ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',wednesday_yesterday) ).
thf(131,plain,
! [A: $i] :
( ( A @ thursday )
| ~ ( A @ yesterday @ wednesday ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[41]) ).
thf(9,axiom,
! [A: $i] :
( ~ ( A @ wednesday )
| ( A @ yesterday @ tuesday ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',yesterday_tuesday) ).
thf(68,plain,
! [A: $i] :
( ~ ( A @ wednesday )
| ( A @ yesterday @ tuesday ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[9]) ).
thf(6,axiom,
! [A: $i] :
( ~ ( A @ saturday )
| ~ ( A @ tuesday ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',tuesday_not_saturday) ).
thf(62,plain,
! [A: $i] :
( ~ ( A @ saturday )
| ~ ( A @ tuesday ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[6]) ).
thf(20,axiom,
! [A: $i] :
( ( A @ monday )
| ~ ( A @ yesterday @ sunday ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',sunday_yesterday) ).
thf(90,plain,
! [A: $i] :
( ( A @ monday )
| ~ ( A @ yesterday @ sunday ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[20]) ).
thf(36,axiom,
! [A: $i] :
( ~ ( A @ tuesday )
| ~ ( A @ monday ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',monday_not_tuesday) ).
thf(122,plain,
! [A: $i] :
( ~ ( A @ tuesday )
| ~ ( A @ monday ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[36]) ).
thf(25,axiom,
! [A: $i] :
( ~ ( A @ saturday )
| ~ ( A @ friday ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',friday_not_saturday) ).
thf(100,plain,
! [A: $i] :
( ~ ( A @ saturday )
| ~ ( A @ friday ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[25]) ).
thf(152,plain,
$false,
inference(e,[status(thm)],[88,120,56,78,92,141,128,118,104,151,52,110,106,84,147,133,116,74,60,102,70,137,124,96,64,149,54,86,76,98,66,108,130,135,80,112,145,72,143,114,139,58,82,126,94,131,68,62,90,122,100]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.01 % Problem : PUZ005-1 : TPTP v9.3.1. Released v1.0.0.
% 0.00/0.04 % 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
% 0.08/5.53 % Computer : n012.cluster.edu
% 0.08/5.53 % Model : x86_64 x86_64
% 0.08/5.53 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.08/5.53 % Memory : 8046.5625MB
% 0.08/5.53 % OS : Linux 6.8.0-71-generic
% 0.08/5.53 % CPULimit : 300
% 0.08/5.53 % WCLimit : 300
% 0.08/5.53 % DateTime : Sat Sep 26 05:02:56 UTC 2026
% 0.08/5.53 % CPUTime :
% 0.08/5.53 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
% 0.10/5.81 % [INFO] Parsing problem /export/starexec/sandbox/benchmark/theBenchmark.p ...
% 0.10/5.91 % [INFO] Parsing done (95ms).
% 0.10/5.92 % [INFO] Running in sequential loop mode.
% 0.92/6.10 % [INFO] eprover registered as external prover.
% 0.92/6.10 % [INFO] Scanning for conjecture ...
% 1.10/6.14 % [INFO] Found a conjecture (or negated_conjecture) and 50 axioms. Running axiom selection ...
% 1.10/6.18 % [INFO] Axiom selection finished. Selected 50 axioms (removed 0 axioms).
% 1.26/6.21 % [INFO] Problem is propositional (TPTP CNF).
% 1.26/6.21 % [INFO] Type checking passed.
% 1.26/6.21 % [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 ...
% 2.04/6.56 % External prover 'e' found a proof!
% 2.04/6.56 % [INFO] Killing All external provers ...
% 2.04/6.56 % Time passed: 947ms (effective reasoning time: 642ms)
% 2.04/6.56 % Axioms used in derivation (50): yesterday_saturday, lion_lies_on_monday, lions_lying_days, yesterday_sunday, monday_not_sunday, friday_yesterday, yesterday_tuesday, thursday_not_friday, saturday_yesterday, yesterday_wednesday, wednesday_yesterday, friday_not_sunday, unicorns_lying_days, saturday_not_sunday, admissions3, monday_not_saturday, unicorn_lies_on_thursday, lion_lies_on_tuesday, sunday_yesterday, unicorn_lies_on_friday, wednesday_not_saturday, monday_yesterday, admissions4, thursday_not_sunday, wednesday_not_sunday, lion_lies_on_wednesday, monday_not_wednesday, admissions2, it_is_a_day, tuesday_not_wednesday, tuesday_not_sunday, tuesday_not_friday, wednesday_not_thursday, admissions5, yesterday_friday, admissions1, tuesday_not_thursday, thursday_yesterday, yesterday_monday, yesterday_thursday, monday_not_tuesday, wednesday_not_friday, thursday_not_saturday, monday_not_friday, monday_not_thursday, friday_not_saturday, tuesday_not_saturday, unicorn_lies_on_saturday, admissions6, tuesday_yesterday
% 2.04/6.56 % No. of inferences in proof: 103
% 2.04/6.56 % SZS status Unsatisfiable for /export/starexec/sandbox/benchmark/theBenchmark.p : 947 ms resp. 642 ms w/o parsing
% 2.32/6.60 % SZS output start Refutation for /export/starexec/sandbox/benchmark/theBenchmark.p
% See solution above
% 2.32/6.60 % [INFO] Killing All external provers ...
%------------------------------------------------------------------------------