%------------------------------------------------------------------------------
% File : LisaST---0.9
% Problem : PUZ028-5 : TPTP v9.3.1. Released v2.0.0.
% Transfm : none
% Format : tptp:raw
% Command : casc-portfolio.sh -t 300 /export/starexec/sandbox2/benchmark/theBenchmark.p
% 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 08:22:06 AM UTC 2026
% Result : Unsatisfiable 10.41s 1.90s
% Output : CNFRefutation 10.41s
% Verified :
% SZS Type : Refutation
% Derivation depth : 55
% Number of leaves : 15
% Syntax : Number of clauses : 235 ( 34 unt; 172 nHn; 235 RR)
% Number of literals : 757 ( 0 equ; 175 neg)
% Maximal clause size : 6 ( 3 avg)
% Maximal term depth : 1 ( 1 avg)
% Number of predicates : 5 ( 4 usr; 1 prp; 0-2 aty)
% Number of functors : 6 ( 6 usr; 6 con; 0-0 aty)
% Number of variables : 62 ( 0 sgn)
% Comments :
%------------------------------------------------------------------------------
cnf(person1,axiom,
person(one) ).
cnf(person2,axiom,
person(two) ).
cnf(person3,axiom,
person(three) ).
cnf(person4,axiom,
person(four) ).
cnf(person5,axiom,
person(five) ).
cnf(person6,axiom,
person(six) ).
cnf(order1,axiom,
after(one,two) ).
cnf(order2,axiom,
after(two,three) ).
cnf(order3,axiom,
after(three,four) ).
cnf(order4,axiom,
after(four,five) ).
cnf(order5,axiom,
after(five,six) ).
cnf(transitivity_of_order,axiom,
( ~ after(X2,X1)
| ~ after(X0,X2)
| after(X0,X1) ) ).
cnf(familiar_or_not,axiom,
( ~ after(X0,X1)
| ~ person(X1)
| ~ person(X0)
| 'not$ufamiliar'(X0,X1)
| familiar(X0,X1) ) ).
cnf(three_familiar,negated_conjecture,
( ~ familiar(X0,X2)
| ~ familiar(X1,X2)
| ~ familiar(X0,X1) ) ).
cnf(three_not_familiar,negated_conjecture,
( ~ 'not$ufamiliar'(X0,X2)
| ~ 'not$ufamiliar'(X1,X2)
| ~ 'not$ufamiliar'(X0,X1) ) ).
cnf(c0,plain,
person(one),
inference(clausification,[status(esa)],[person1]) ).
cnf(c1,plain,
person(two),
inference(clausification,[status(esa)],[person2]) ).
cnf(c2,plain,
person(three),
inference(clausification,[status(esa)],[person3]) ).
cnf(c3,plain,
person(four),
inference(clausification,[status(esa)],[person4]) ).
cnf(c4,plain,
person(five),
inference(clausification,[status(esa)],[person5]) ).
cnf(c5,plain,
person(six),
inference(clausification,[status(esa)],[person6]) ).
cnf(c6,plain,
after(one,two),
inference(clausification,[status(esa)],[order1]) ).
cnf(c7,plain,
after(two,three),
inference(clausification,[status(esa)],[order2]) ).
cnf(c8,plain,
after(three,four),
inference(clausification,[status(esa)],[order3]) ).
cnf(c9,plain,
after(four,five),
inference(clausification,[status(esa)],[order4]) ).
cnf(c10,plain,
after(five,six),
inference(clausification,[status(esa)],[order5]) ).
cnf(c11,plain,
( ~ after(X1,X2)
| after(X0,X2)
| ~ after(X0,X1) ),
inference(clausification,[status(esa)],[transitivity_of_order]) ).
cnf(c12,plain,
( ~ after(X1,X0)
| ~ person(X1)
| familiar(X1,X0)
| 'not$ufamiliar'(X1,X0)
| ~ person(X0) ),
inference(clausification,[status(esa)],[familiar_or_not]) ).
cnf(c13,plain,
( ~ familiar(X2,X1)
| ~ familiar(X2,X0)
| ~ familiar(X0,X1) ),
inference(clausification,[status(esa)],[three_familiar]) ).
cnf(c14,plain,
( ~ 'not$ufamiliar'(X2,X1)
| ~ 'not$ufamiliar'(X2,X0)
| ~ 'not$ufamiliar'(X0,X1) ),
inference(clausification,[status(esa)],[three_not_familiar]) ).
cnf(d0,plain,
( familiar(X0,five)
| 'not$ufamiliar'(X0,five)
| ~ after(X0,five)
| ~ person(X0) ),
inference(resolution,[status(thm)],[c12,c4]) ).
cnf(d1,plain,
( familiar(two,five)
| 'not$ufamiliar'(two,five)
| ~ after(two,five) ),
inference(resolution,[status(thm)],[d0,c1]) ).
cnf(d2,plain,
( ~ after(X0,three)
| after(X0,four) ),
inference(resolution,[status(thm)],[c11,c8]) ).
cnf(d3,plain,
after(two,four),
inference(resolution,[status(thm)],[d2,c7]) ).
cnf(d4,plain,
( ~ after(X0,four)
| after(X0,five) ),
inference(resolution,[status(thm)],[c11,c9]) ).
cnf(d5,plain,
after(two,five),
inference(resolution,[status(thm)],[d4,d3]) ).
cnf(d6,plain,
( familiar(two,five)
| 'not$ufamiliar'(two,five) ),
inference(resolution,[status(thm)],[d5,d1]) ).
cnf(d7,plain,
( familiar(X0,six)
| 'not$ufamiliar'(X0,six)
| ~ after(X0,six)
| ~ person(X0) ),
inference(resolution,[status(thm)],[c12,c5]) ).
cnf(d8,plain,
( familiar(five,six)
| 'not$ufamiliar'(five,six)
| ~ after(five,six) ),
inference(resolution,[status(thm)],[d7,c4]) ).
cnf(d9,plain,
( familiar(five,six)
| 'not$ufamiliar'(five,six) ),
inference(resolution,[status(thm)],[c10,d8]) ).
cnf(d10,plain,
( familiar(two,six)
| 'not$ufamiliar'(two,six)
| ~ after(two,six) ),
inference(resolution,[status(thm)],[d7,c1]) ).
cnf(d11,plain,
( ~ after(X0,five)
| after(X0,six) ),
inference(resolution,[status(thm)],[c11,c10]) ).
cnf(d12,plain,
after(two,six),
inference(resolution,[status(thm)],[d5,d11]) ).
cnf(d13,plain,
( familiar(two,six)
| 'not$ufamiliar'(two,six) ),
inference(resolution,[status(thm)],[d12,d10]) ).
cnf(d14,plain,
( ~ 'not$ufamiliar'(X0,six)
| ~ 'not$ufamiliar'(two,X0)
| familiar(two,six) ),
inference(resolution,[status(thm)],[d13,c14]) ).
cnf(d15,plain,
( familiar(five,six)
| familiar(two,six)
| ~ 'not$ufamiliar'(two,five) ),
inference(resolution,[status(thm)],[d14,d9]) ).
cnf(d16,plain,
( familiar(two,five)
| familiar(five,six)
| familiar(two,six) ),
inference(resolution,[status(thm)],[d15,d6]) ).
cnf(d17,plain,
( familiar(X0,three)
| 'not$ufamiliar'(X0,three)
| ~ after(X0,three)
| ~ person(X0) ),
inference(resolution,[status(thm)],[c12,c2]) ).
cnf(d18,plain,
( familiar(two,three)
| 'not$ufamiliar'(two,three)
| ~ after(two,three) ),
inference(resolution,[status(thm)],[d17,c1]) ).
cnf(d19,plain,
( familiar(two,three)
| 'not$ufamiliar'(two,three) ),
inference(resolution,[status(thm)],[c7,d18]) ).
cnf(d20,plain,
( familiar(three,six)
| 'not$ufamiliar'(three,six)
| ~ after(three,six) ),
inference(resolution,[status(thm)],[d7,c2]) ).
cnf(d21,plain,
after(three,five),
inference(resolution,[status(thm)],[d4,c8]) ).
cnf(d22,plain,
after(three,six),
inference(resolution,[status(thm)],[d21,d11]) ).
cnf(d23,plain,
( familiar(three,six)
| 'not$ufamiliar'(three,six) ),
inference(resolution,[status(thm)],[d22,d20]) ).
cnf(d24,plain,
( familiar(three,six)
| familiar(two,six)
| ~ 'not$ufamiliar'(two,three) ),
inference(resolution,[status(thm)],[d14,d23]) ).
cnf(d25,plain,
( familiar(two,three)
| familiar(three,six)
| familiar(two,six) ),
inference(resolution,[status(thm)],[d24,d19]) ).
cnf(d26,plain,
( familiar(three,five)
| 'not$ufamiliar'(three,five)
| ~ after(three,five) ),
inference(resolution,[status(thm)],[d0,c2]) ).
cnf(d27,plain,
( familiar(three,five)
| 'not$ufamiliar'(three,five) ),
inference(resolution,[status(thm)],[d21,d26]) ).
cnf(d28,plain,
( ~ 'not$ufamiliar'(X0,six)
| ~ 'not$ufamiliar'(three,X0)
| familiar(three,six) ),
inference(resolution,[status(thm)],[d23,c14]) ).
cnf(d29,plain,
( familiar(five,six)
| familiar(three,six)
| ~ 'not$ufamiliar'(three,five) ),
inference(resolution,[status(thm)],[d28,d9]) ).
cnf(d30,plain,
( familiar(three,five)
| familiar(five,six)
| familiar(three,six) ),
inference(resolution,[status(thm)],[d29,d27]) ).
cnf(d31,plain,
( ~ familiar(X0,five)
| ~ familiar(X0,three)
| familiar(five,six)
| familiar(three,six) ),
inference(resolution,[status(thm)],[d30,c13]) ).
cnf(d32,plain,
( familiar(three,six)
| familiar(two,six)
| familiar(five,six)
| familiar(three,six)
| ~ familiar(two,five) ),
inference(resolution,[status(thm)],[d31,d25]) ).
cnf(d33,plain,
( familiar(five,six)
| familiar(two,six)
| familiar(five,six)
| familiar(three,six)
| familiar(two,six) ),
inference(resolution,[status(thm)],[d32,d16]) ).
cnf(d34,plain,
( familiar(X0,four)
| 'not$ufamiliar'(X0,four)
| ~ after(X0,four)
| ~ person(X0) ),
inference(resolution,[status(thm)],[c12,c3]) ).
cnf(d35,plain,
( familiar(two,four)
| 'not$ufamiliar'(two,four)
| ~ after(two,four) ),
inference(resolution,[status(thm)],[d34,c1]) ).
cnf(d36,plain,
( familiar(two,four)
| 'not$ufamiliar'(two,four) ),
inference(resolution,[status(thm)],[d3,d35]) ).
cnf(d37,plain,
( familiar(four,six)
| 'not$ufamiliar'(four,six)
| ~ after(four,six) ),
inference(resolution,[status(thm)],[d7,c3]) ).
cnf(d38,plain,
after(four,six),
inference(resolution,[status(thm)],[d11,c9]) ).
cnf(d39,plain,
( familiar(four,six)
| 'not$ufamiliar'(four,six) ),
inference(resolution,[status(thm)],[d38,d37]) ).
cnf(d40,plain,
( familiar(four,six)
| familiar(two,six)
| ~ 'not$ufamiliar'(two,four) ),
inference(resolution,[status(thm)],[d14,d39]) ).
cnf(d41,plain,
( familiar(two,four)
| familiar(four,six)
| familiar(two,six) ),
inference(resolution,[status(thm)],[d40,d36]) ).
cnf(d42,plain,
( familiar(four,five)
| 'not$ufamiliar'(four,five)
| ~ after(four,five) ),
inference(resolution,[status(thm)],[d0,c3]) ).
cnf(d43,plain,
( familiar(four,five)
| 'not$ufamiliar'(four,five) ),
inference(resolution,[status(thm)],[c9,d42]) ).
cnf(d44,plain,
( ~ 'not$ufamiliar'(X0,six)
| ~ 'not$ufamiliar'(four,X0)
| familiar(four,six) ),
inference(resolution,[status(thm)],[d39,c14]) ).
cnf(d45,plain,
( familiar(five,six)
| familiar(four,six)
| ~ 'not$ufamiliar'(four,five) ),
inference(resolution,[status(thm)],[d44,d9]) ).
cnf(d46,plain,
( familiar(four,five)
| familiar(five,six)
| familiar(four,six) ),
inference(resolution,[status(thm)],[d45,d43]) ).
cnf(d47,plain,
( ~ familiar(X0,five)
| ~ familiar(X0,four)
| familiar(five,six)
| familiar(four,six) ),
inference(resolution,[status(thm)],[d46,c13]) ).
cnf(d48,plain,
( familiar(four,six)
| familiar(two,six)
| familiar(five,six)
| familiar(four,six)
| ~ familiar(two,five) ),
inference(resolution,[status(thm)],[d47,d41]) ).
cnf(d49,plain,
( familiar(five,six)
| familiar(two,six)
| familiar(five,six)
| familiar(four,six)
| familiar(two,six) ),
inference(resolution,[status(thm)],[d48,d16]) ).
cnf(d50,plain,
( familiar(three,four)
| 'not$ufamiliar'(three,four)
| ~ after(three,four) ),
inference(resolution,[status(thm)],[d34,c2]) ).
cnf(d51,plain,
( familiar(three,four)
| 'not$ufamiliar'(three,four) ),
inference(resolution,[status(thm)],[c8,d50]) ).
cnf(d52,plain,
( familiar(four,six)
| familiar(three,six)
| ~ 'not$ufamiliar'(three,four) ),
inference(resolution,[status(thm)],[d28,d39]) ).
cnf(d53,plain,
( familiar(three,four)
| familiar(four,six)
| familiar(three,six) ),
inference(resolution,[status(thm)],[d52,d51]) ).
cnf(d54,plain,
( familiar(four,six)
| familiar(three,six)
| familiar(five,six)
| familiar(four,six)
| ~ familiar(three,five) ),
inference(resolution,[status(thm)],[d47,d53]) ).
cnf(d55,plain,
( familiar(five,six)
| familiar(three,six)
| familiar(five,six)
| familiar(four,six)
| familiar(three,six) ),
inference(resolution,[status(thm)],[d54,d30]) ).
cnf(d56,plain,
( ~ familiar(X0,six)
| ~ familiar(X0,three)
| familiar(five,six)
| familiar(four,six) ),
inference(resolution,[status(thm)],[d55,c13]) ).
cnf(d57,plain,
( familiar(one,five)
| 'not$ufamiliar'(one,five)
| ~ after(one,five) ),
inference(resolution,[status(thm)],[d0,c0]) ).
cnf(d58,plain,
( ~ after(X0,two)
| after(X0,three) ),
inference(resolution,[status(thm)],[c11,c7]) ).
cnf(d59,plain,
after(one,three),
inference(resolution,[status(thm)],[d58,c6]) ).
cnf(d60,plain,
after(one,four),
inference(resolution,[status(thm)],[d59,d2]) ).
cnf(d61,plain,
after(one,five),
inference(resolution,[status(thm)],[d60,d4]) ).
cnf(d62,plain,
( familiar(one,five)
| 'not$ufamiliar'(one,five) ),
inference(resolution,[status(thm)],[d61,d57]) ).
cnf(d63,plain,
( familiar(one,six)
| 'not$ufamiliar'(one,six)
| ~ after(one,six) ),
inference(resolution,[status(thm)],[d7,c0]) ).
cnf(d64,plain,
after(one,six),
inference(resolution,[status(thm)],[d61,d11]) ).
cnf(d65,plain,
( familiar(one,six)
| 'not$ufamiliar'(one,six) ),
inference(resolution,[status(thm)],[d64,d63]) ).
cnf(d66,plain,
( ~ 'not$ufamiliar'(X0,six)
| ~ 'not$ufamiliar'(one,X0)
| familiar(one,six) ),
inference(resolution,[status(thm)],[d65,c14]) ).
cnf(d67,plain,
( familiar(five,six)
| familiar(one,six)
| ~ 'not$ufamiliar'(one,five) ),
inference(resolution,[status(thm)],[d66,d9]) ).
cnf(d68,plain,
( familiar(one,five)
| familiar(five,six)
| familiar(one,six) ),
inference(resolution,[status(thm)],[d67,d62]) ).
cnf(d69,plain,
( familiar(one,four)
| 'not$ufamiliar'(one,four)
| ~ after(one,four) ),
inference(resolution,[status(thm)],[d34,c0]) ).
cnf(d70,plain,
( familiar(one,four)
| 'not$ufamiliar'(one,four) ),
inference(resolution,[status(thm)],[d60,d69]) ).
cnf(d71,plain,
( familiar(four,six)
| familiar(one,six)
| ~ 'not$ufamiliar'(one,four) ),
inference(resolution,[status(thm)],[d66,d39]) ).
cnf(d72,plain,
( familiar(one,four)
| familiar(four,six)
| familiar(one,six) ),
inference(resolution,[status(thm)],[d71,d70]) ).
cnf(d73,plain,
( familiar(four,six)
| familiar(one,six)
| familiar(five,six)
| familiar(four,six)
| ~ familiar(one,five) ),
inference(resolution,[status(thm)],[d47,d72]) ).
cnf(d74,plain,
( familiar(five,six)
| familiar(one,six)
| familiar(five,six)
| familiar(four,six)
| familiar(one,six) ),
inference(resolution,[status(thm)],[d73,d68]) ).
cnf(d75,plain,
( familiar(X0,two)
| 'not$ufamiliar'(X0,two)
| ~ after(X0,two)
| ~ person(X0) ),
inference(resolution,[status(thm)],[c12,c1]) ).
cnf(d76,plain,
( familiar(one,two)
| 'not$ufamiliar'(one,two)
| ~ after(one,two) ),
inference(resolution,[status(thm)],[d75,c0]) ).
cnf(d77,plain,
( familiar(one,two)
| 'not$ufamiliar'(one,two) ),
inference(resolution,[status(thm)],[c6,d76]) ).
cnf(d78,plain,
( familiar(one,three)
| 'not$ufamiliar'(one,three)
| ~ after(one,three) ),
inference(resolution,[status(thm)],[d17,c0]) ).
cnf(d79,plain,
( familiar(one,three)
| 'not$ufamiliar'(one,three) ),
inference(resolution,[status(thm)],[d59,d78]) ).
cnf(d80,plain,
( ~ 'not$ufamiliar'(X0,three)
| ~ 'not$ufamiliar'(one,X0)
| familiar(one,three) ),
inference(resolution,[status(thm)],[d79,c14]) ).
cnf(d81,plain,
( familiar(two,three)
| familiar(one,three)
| ~ 'not$ufamiliar'(one,two) ),
inference(resolution,[status(thm)],[d80,d19]) ).
cnf(d82,plain,
( familiar(one,two)
| familiar(two,three)
| familiar(one,three) ),
inference(resolution,[status(thm)],[d81,d77]) ).
cnf(d83,plain,
( ~ familiar(X0,six)
| ~ familiar(X0,two)
| familiar(five,six)
| familiar(four,six) ),
inference(resolution,[status(thm)],[d49,c13]) ).
cnf(d84,plain,
( familiar(two,three)
| familiar(one,three)
| familiar(five,six)
| familiar(four,six)
| ~ familiar(one,six) ),
inference(resolution,[status(thm)],[d83,d82]) ).
cnf(d85,plain,
( familiar(five,six)
| familiar(four,six)
| familiar(five,six)
| familiar(four,six)
| familiar(two,three)
| familiar(one,three) ),
inference(resolution,[status(thm)],[d84,d74]) ).
cnf(d86,plain,
( familiar(five,six)
| familiar(four,six)
| ~ familiar(one,six)
| familiar(five,six)
| familiar(four,six)
| familiar(two,three) ),
inference(resolution,[status(thm)],[d85,d56]) ).
cnf(d87,plain,
( familiar(five,six)
| familiar(four,six)
| familiar(five,six)
| familiar(four,six)
| familiar(two,three) ),
inference(resolution,[status(thm)],[d86,d74]) ).
cnf(d88,plain,
( familiar(five,six)
| familiar(four,six)
| ~ familiar(two,six)
| familiar(five,six)
| familiar(four,six) ),
inference(resolution,[status(thm)],[d87,d56]) ).
cnf(d89,plain,
( familiar(five,six)
| familiar(four,six)
| familiar(five,six)
| familiar(four,six) ),
inference(resolution,[status(thm)],[d88,d49]) ).
cnf(d90,plain,
( ~ familiar(X0,six)
| ~ familiar(X0,four)
| familiar(five,six) ),
inference(resolution,[status(thm)],[d89,c13]) ).
cnf(d91,plain,
( familiar(three,six)
| familiar(one,six)
| ~ 'not$ufamiliar'(one,three) ),
inference(resolution,[status(thm)],[d66,d23]) ).
cnf(d92,plain,
( familiar(one,three)
| familiar(three,six)
| familiar(one,six) ),
inference(resolution,[status(thm)],[d91,d79]) ).
cnf(d93,plain,
( familiar(three,six)
| familiar(one,six)
| familiar(five,six)
| familiar(three,six)
| ~ familiar(one,five) ),
inference(resolution,[status(thm)],[d31,d92]) ).
cnf(d94,plain,
( familiar(five,six)
| familiar(one,six)
| familiar(five,six)
| familiar(three,six)
| familiar(one,six) ),
inference(resolution,[status(thm)],[d93,d68]) ).
cnf(d95,plain,
( ~ 'not$ufamiliar'(X0,four)
| ~ 'not$ufamiliar'(one,X0)
| familiar(one,four) ),
inference(resolution,[status(thm)],[d70,c14]) ).
cnf(d96,plain,
( familiar(two,four)
| familiar(one,four)
| ~ 'not$ufamiliar'(one,two) ),
inference(resolution,[status(thm)],[d95,d36]) ).
cnf(d97,plain,
( familiar(one,two)
| familiar(two,four)
| familiar(one,four) ),
inference(resolution,[status(thm)],[d96,d77]) ).
cnf(d98,plain,
( ~ familiar(X0,six)
| ~ familiar(X0,two)
| familiar(five,six)
| familiar(three,six) ),
inference(resolution,[status(thm)],[d33,c13]) ).
cnf(d99,plain,
( familiar(two,four)
| familiar(one,four)
| familiar(five,six)
| familiar(three,six)
| ~ familiar(one,six) ),
inference(resolution,[status(thm)],[d98,d97]) ).
cnf(d100,plain,
( familiar(five,six)
| familiar(three,six)
| familiar(five,six)
| familiar(three,six)
| familiar(two,four)
| familiar(one,four) ),
inference(resolution,[status(thm)],[d99,d94]) ).
cnf(d101,plain,
( familiar(five,six)
| familiar(three,six)
| familiar(two,four)
| familiar(five,six)
| ~ familiar(one,six) ),
inference(resolution,[status(thm)],[d90,d100]) ).
cnf(d102,plain,
( familiar(five,six)
| familiar(three,six)
| familiar(five,six)
| familiar(three,six)
| familiar(two,four) ),
inference(resolution,[status(thm)],[d101,d94]) ).
cnf(d103,plain,
( familiar(five,six)
| ~ familiar(two,six)
| familiar(five,six)
| familiar(three,six) ),
inference(resolution,[status(thm)],[d102,d90]) ).
cnf(d104,plain,
( familiar(five,six)
| familiar(three,six)
| familiar(five,six)
| familiar(three,six) ),
inference(resolution,[status(thm)],[d103,d33]) ).
cnf(d105,plain,
( familiar(two,six)
| familiar(one,six)
| ~ 'not$ufamiliar'(one,two) ),
inference(resolution,[status(thm)],[d66,d13]) ).
cnf(d106,plain,
( familiar(one,two)
| familiar(two,six)
| familiar(one,six) ),
inference(resolution,[status(thm)],[d105,d77]) ).
cnf(d107,plain,
( ~ familiar(X0,five)
| ~ familiar(X0,two)
| familiar(five,six)
| familiar(two,six) ),
inference(resolution,[status(thm)],[d16,c13]) ).
cnf(d108,plain,
( familiar(two,six)
| familiar(one,six)
| familiar(five,six)
| familiar(two,six)
| ~ familiar(one,five) ),
inference(resolution,[status(thm)],[d107,d106]) ).
cnf(d109,plain,
( familiar(five,six)
| familiar(one,six)
| familiar(five,six)
| familiar(two,six)
| familiar(one,six) ),
inference(resolution,[status(thm)],[d108,d68]) ).
cnf(d110,plain,
( familiar(three,four)
| familiar(one,four)
| ~ 'not$ufamiliar'(one,three) ),
inference(resolution,[status(thm)],[d95,d51]) ).
cnf(d111,plain,
( familiar(one,three)
| familiar(three,four)
| familiar(one,four) ),
inference(resolution,[status(thm)],[d110,d79]) ).
cnf(d112,plain,
( ~ familiar(X0,six)
| ~ familiar(X0,three)
| familiar(five,six) ),
inference(resolution,[status(thm)],[d104,c13]) ).
cnf(d113,plain,
( familiar(three,four)
| familiar(one,four)
| familiar(five,six)
| ~ familiar(one,six) ),
inference(resolution,[status(thm)],[d112,d111]) ).
cnf(d114,plain,
( familiar(five,six)
| familiar(two,six)
| familiar(five,six)
| familiar(three,four)
| familiar(one,four) ),
inference(resolution,[status(thm)],[d113,d109]) ).
cnf(d115,plain,
( familiar(five,six)
| ~ familiar(one,six)
| familiar(five,six)
| familiar(three,four)
| familiar(two,six) ),
inference(resolution,[status(thm)],[d114,d90]) ).
cnf(d116,plain,
( familiar(five,six)
| familiar(two,six)
| familiar(five,six)
| familiar(three,four)
| familiar(two,six) ),
inference(resolution,[status(thm)],[d115,d109]) ).
cnf(d117,plain,
( ~ 'not$ufamiliar'(X0,four)
| ~ 'not$ufamiliar'(two,X0)
| familiar(two,four) ),
inference(resolution,[status(thm)],[d36,c14]) ).
cnf(d118,plain,
( familiar(three,four)
| familiar(two,four)
| ~ 'not$ufamiliar'(two,three) ),
inference(resolution,[status(thm)],[d117,d51]) ).
cnf(d119,plain,
( familiar(two,three)
| familiar(three,four)
| familiar(two,four) ),
inference(resolution,[status(thm)],[d118,d19]) ).
cnf(d120,plain,
( familiar(three,four)
| familiar(two,four)
| familiar(five,six)
| ~ familiar(two,six) ),
inference(resolution,[status(thm)],[d112,d119]) ).
cnf(d121,plain,
( familiar(five,six)
| familiar(three,four)
| familiar(two,four)
| familiar(five,six)
| familiar(three,four) ),
inference(resolution,[status(thm)],[d116,d120]) ).
cnf(d122,plain,
( familiar(five,six)
| ~ familiar(two,six)
| familiar(five,six)
| familiar(three,four) ),
inference(resolution,[status(thm)],[d121,d90]) ).
cnf(d123,plain,
( familiar(five,six)
| familiar(three,four)
| familiar(five,six)
| familiar(three,four) ),
inference(resolution,[status(thm)],[d122,d116]) ).
cnf(d124,plain,
( familiar(five,six)
| ~ familiar(three,six)
| familiar(five,six) ),
inference(resolution,[status(thm)],[d123,d90]) ).
cnf(d125,plain,
( familiar(five,six)
| familiar(five,six) ),
inference(resolution,[status(thm)],[d124,d104]) ).
cnf(d126,plain,
( ~ familiar(X0,six)
| ~ familiar(X0,five) ),
inference(resolution,[status(thm)],[d125,c13]) ).
cnf(d127,plain,
( ~ 'not$ufamiliar'(X0,five)
| ~ 'not$ufamiliar'(two,X0)
| familiar(two,five) ),
inference(resolution,[status(thm)],[d6,c14]) ).
cnf(d128,plain,
( familiar(four,five)
| familiar(two,five)
| ~ 'not$ufamiliar'(two,four) ),
inference(resolution,[status(thm)],[d127,d43]) ).
cnf(d129,plain,
( familiar(two,four)
| familiar(four,five)
| familiar(two,five) ),
inference(resolution,[status(thm)],[d128,d36]) ).
cnf(d130,plain,
( familiar(three,five)
| familiar(two,five)
| ~ 'not$ufamiliar'(two,three) ),
inference(resolution,[status(thm)],[d127,d27]) ).
cnf(d131,plain,
( familiar(two,three)
| familiar(three,five)
| familiar(two,five) ),
inference(resolution,[status(thm)],[d130,d19]) ).
cnf(d132,plain,
( ~ 'not$ufamiliar'(X0,five)
| ~ 'not$ufamiliar'(three,X0)
| familiar(three,five) ),
inference(resolution,[status(thm)],[d27,c14]) ).
cnf(d133,plain,
( familiar(four,five)
| familiar(three,five)
| ~ 'not$ufamiliar'(three,four) ),
inference(resolution,[status(thm)],[d132,d43]) ).
cnf(d134,plain,
( familiar(three,four)
| familiar(four,five)
| familiar(three,five) ),
inference(resolution,[status(thm)],[d133,d51]) ).
cnf(d135,plain,
( ~ familiar(X0,four)
| ~ familiar(X0,three)
| familiar(four,five)
| familiar(three,five) ),
inference(resolution,[status(thm)],[d134,c13]) ).
cnf(d136,plain,
( familiar(three,five)
| familiar(two,five)
| familiar(four,five)
| familiar(three,five)
| ~ familiar(two,four) ),
inference(resolution,[status(thm)],[d135,d131]) ).
cnf(d137,plain,
( familiar(four,five)
| familiar(two,five)
| familiar(four,five)
| familiar(three,five)
| familiar(two,five) ),
inference(resolution,[status(thm)],[d136,d129]) ).
cnf(d138,plain,
( familiar(four,five)
| familiar(three,five)
| ~ familiar(two,six) ),
inference(resolution,[status(thm)],[d126,d137]) ).
cnf(d139,plain,
( ~ 'not$ufamiliar'(X0,five)
| ~ 'not$ufamiliar'(one,X0)
| familiar(one,five) ),
inference(resolution,[status(thm)],[d62,c14]) ).
cnf(d140,plain,
( familiar(four,five)
| familiar(one,five)
| ~ 'not$ufamiliar'(one,four) ),
inference(resolution,[status(thm)],[d139,d43]) ).
cnf(d141,plain,
( familiar(one,four)
| familiar(four,five)
| familiar(one,five) ),
inference(resolution,[status(thm)],[d140,d70]) ).
cnf(d142,plain,
( familiar(three,five)
| familiar(one,five)
| ~ 'not$ufamiliar'(one,three) ),
inference(resolution,[status(thm)],[d139,d27]) ).
cnf(d143,plain,
( familiar(one,three)
| familiar(three,five)
| familiar(one,five) ),
inference(resolution,[status(thm)],[d142,d79]) ).
cnf(d144,plain,
( familiar(three,five)
| familiar(one,five)
| familiar(four,five)
| familiar(three,five)
| ~ familiar(one,four) ),
inference(resolution,[status(thm)],[d135,d143]) ).
cnf(d145,plain,
( familiar(four,five)
| familiar(one,five)
| familiar(four,five)
| familiar(three,five)
| familiar(one,five) ),
inference(resolution,[status(thm)],[d144,d141]) ).
cnf(d146,plain,
( ~ familiar(X0,five)
| ~ familiar(X0,two)
| familiar(four,five)
| familiar(three,five) ),
inference(resolution,[status(thm)],[d137,c13]) ).
cnf(d147,plain,
( familiar(two,six)
| familiar(one,six)
| familiar(four,five)
| familiar(three,five)
| ~ familiar(one,five) ),
inference(resolution,[status(thm)],[d146,d106]) ).
cnf(d148,plain,
( familiar(four,five)
| familiar(three,five)
| familiar(four,five)
| familiar(three,five)
| familiar(two,six)
| familiar(one,six) ),
inference(resolution,[status(thm)],[d147,d145]) ).
cnf(d149,plain,
( familiar(four,five)
| familiar(three,five)
| ~ familiar(one,six) ),
inference(resolution,[status(thm)],[d126,d145]) ).
cnf(d150,plain,
( familiar(four,five)
| familiar(three,five)
| familiar(two,six)
| familiar(four,five)
| familiar(three,five) ),
inference(resolution,[status(thm)],[d149,d148]) ).
cnf(d151,plain,
( familiar(four,five)
| familiar(three,five)
| familiar(four,five)
| familiar(three,five) ),
inference(resolution,[status(thm)],[d150,d138]) ).
cnf(d152,plain,
( ~ familiar(three,six)
| familiar(four,five) ),
inference(resolution,[status(thm)],[d151,d126]) ).
cnf(d153,plain,
( ~ familiar(X0,three)
| ~ familiar(X0,two)
| familiar(three,six)
| familiar(two,six) ),
inference(resolution,[status(thm)],[d25,c13]) ).
cnf(d154,plain,
( familiar(two,six)
| familiar(one,six)
| familiar(three,six)
| familiar(two,six)
| ~ familiar(one,three) ),
inference(resolution,[status(thm)],[d153,d106]) ).
cnf(d155,plain,
( familiar(three,six)
| familiar(one,six)
| familiar(three,six)
| familiar(two,six)
| familiar(one,six) ),
inference(resolution,[status(thm)],[d154,d92]) ).
cnf(d156,plain,
( familiar(two,five)
| familiar(one,five)
| ~ 'not$ufamiliar'(one,two) ),
inference(resolution,[status(thm)],[d139,d6]) ).
cnf(d157,plain,
( familiar(one,two)
| familiar(two,five)
| familiar(one,five) ),
inference(resolution,[status(thm)],[d156,d77]) ).
cnf(d158,plain,
( ~ familiar(X0,four)
| ~ familiar(X0,two)
| familiar(four,five)
| familiar(two,five) ),
inference(resolution,[status(thm)],[d129,c13]) ).
cnf(d159,plain,
( familiar(two,five)
| familiar(one,five)
| familiar(four,five)
| familiar(two,five)
| ~ familiar(one,four) ),
inference(resolution,[status(thm)],[d158,d157]) ).
cnf(d160,plain,
( familiar(four,five)
| familiar(one,five)
| familiar(four,five)
| familiar(two,five)
| familiar(one,five) ),
inference(resolution,[status(thm)],[d159,d141]) ).
cnf(d161,plain,
( familiar(four,five)
| familiar(two,five)
| ~ familiar(one,six) ),
inference(resolution,[status(thm)],[d126,d160]) ).
cnf(d162,plain,
( familiar(three,six)
| familiar(two,six)
| familiar(four,five)
| familiar(two,five) ),
inference(resolution,[status(thm)],[d161,d155]) ).
cnf(d163,plain,
( ~ familiar(X0,five)
| ~ familiar(X0,three)
| familiar(four,five) ),
inference(resolution,[status(thm)],[d151,c13]) ).
cnf(d164,plain,
( familiar(three,six)
| familiar(two,six)
| familiar(four,five)
| ~ familiar(two,five) ),
inference(resolution,[status(thm)],[d163,d25]) ).
cnf(d165,plain,
( familiar(four,five)
| familiar(three,six)
| familiar(two,six)
| familiar(four,five)
| familiar(three,six)
| familiar(two,six) ),
inference(resolution,[status(thm)],[d164,d162]) ).
cnf(d166,plain,
( ~ familiar(X0,four)
| ~ familiar(X0,three)
| familiar(four,six)
| familiar(three,six) ),
inference(resolution,[status(thm)],[d53,c13]) ).
cnf(d167,plain,
( familiar(three,six)
| familiar(two,six)
| familiar(four,six)
| familiar(three,six)
| ~ familiar(two,four) ),
inference(resolution,[status(thm)],[d166,d25]) ).
cnf(d168,plain,
( familiar(four,six)
| familiar(two,six)
| familiar(four,six)
| familiar(three,six)
| familiar(two,six) ),
inference(resolution,[status(thm)],[d167,d41]) ).
cnf(d169,plain,
( familiar(three,six)
| familiar(one,six)
| familiar(four,six)
| familiar(three,six)
| ~ familiar(one,four) ),
inference(resolution,[status(thm)],[d166,d92]) ).
cnf(d170,plain,
( familiar(four,six)
| familiar(one,six)
| familiar(four,six)
| familiar(three,six)
| familiar(one,six) ),
inference(resolution,[status(thm)],[d169,d72]) ).
cnf(d171,plain,
( ~ familiar(X0,six)
| ~ familiar(X0,two)
| familiar(four,six)
| familiar(three,six) ),
inference(resolution,[status(thm)],[d168,c13]) ).
cnf(d172,plain,
( familiar(two,five)
| familiar(one,five)
| familiar(four,six)
| familiar(three,six)
| ~ familiar(one,six) ),
inference(resolution,[status(thm)],[d171,d157]) ).
cnf(d173,plain,
( familiar(four,six)
| familiar(three,six)
| familiar(four,six)
| familiar(three,six)
| familiar(two,five)
| familiar(one,five) ),
inference(resolution,[status(thm)],[d172,d170]) ).
cnf(d174,plain,
( familiar(four,six)
| familiar(three,six)
| familiar(two,five)
| ~ familiar(one,six) ),
inference(resolution,[status(thm)],[d126,d173]) ).
cnf(d175,plain,
( familiar(four,six)
| familiar(three,six)
| familiar(four,six)
| familiar(three,six)
| familiar(two,five) ),
inference(resolution,[status(thm)],[d174,d170]) ).
cnf(d176,plain,
( ~ familiar(two,six)
| familiar(four,six)
| familiar(three,six) ),
inference(resolution,[status(thm)],[d175,d126]) ).
cnf(d177,plain,
( familiar(four,six)
| familiar(three,six)
| familiar(four,six)
| familiar(three,six) ),
inference(resolution,[status(thm)],[d176,d168]) ).
cnf(d178,plain,
( familiar(four,five)
| familiar(four,six) ),
inference(resolution,[status(thm)],[d177,d152]) ).
cnf(d179,plain,
( ~ familiar(X0,five)
| ~ familiar(X0,four)
| familiar(four,six) ),
inference(resolution,[status(thm)],[d178,c13]) ).
cnf(d180,plain,
( familiar(four,six)
| familiar(two,six)
| familiar(four,six)
| ~ familiar(two,five) ),
inference(resolution,[status(thm)],[d179,d41]) ).
cnf(d181,plain,
( ~ familiar(X0,four)
| ~ familiar(X0,two)
| familiar(four,six)
| familiar(two,six) ),
inference(resolution,[status(thm)],[d41,c13]) ).
cnf(d182,plain,
( familiar(two,six)
| familiar(one,six)
| familiar(four,six)
| familiar(two,six)
| ~ familiar(one,four) ),
inference(resolution,[status(thm)],[d181,d106]) ).
cnf(d183,plain,
( familiar(four,six)
| familiar(one,six)
| familiar(four,six)
| familiar(two,six)
| familiar(one,six) ),
inference(resolution,[status(thm)],[d182,d72]) ).
cnf(d184,plain,
( ~ familiar(X0,three)
| ~ familiar(X0,two)
| familiar(three,five)
| familiar(two,five) ),
inference(resolution,[status(thm)],[d131,c13]) ).
cnf(d185,plain,
( familiar(two,five)
| familiar(one,five)
| familiar(three,five)
| familiar(two,five)
| ~ familiar(one,three) ),
inference(resolution,[status(thm)],[d184,d157]) ).
cnf(d186,plain,
( familiar(three,five)
| familiar(one,five)
| familiar(three,five)
| familiar(two,five)
| familiar(one,five) ),
inference(resolution,[status(thm)],[d185,d143]) ).
cnf(d187,plain,
( familiar(three,five)
| familiar(two,five)
| ~ familiar(one,six) ),
inference(resolution,[status(thm)],[d126,d186]) ).
cnf(d188,plain,
( familiar(four,six)
| familiar(two,six)
| familiar(three,five)
| familiar(two,five) ),
inference(resolution,[status(thm)],[d187,d183]) ).
cnf(d189,plain,
( familiar(four,six)
| familiar(two,six)
| familiar(four,six)
| familiar(three,five)
| familiar(two,six) ),
inference(resolution,[status(thm)],[d188,d180]) ).
cnf(d190,plain,
( ~ familiar(X0,six)
| ~ familiar(X0,three)
| familiar(four,six) ),
inference(resolution,[status(thm)],[d177,c13]) ).
cnf(d191,plain,
( familiar(three,five)
| familiar(two,five)
| familiar(four,six)
| ~ familiar(two,six) ),
inference(resolution,[status(thm)],[d190,d131]) ).
cnf(d192,plain,
( familiar(four,six)
| familiar(three,five)
| familiar(four,six)
| familiar(three,five)
| familiar(two,five) ),
inference(resolution,[status(thm)],[d191,d189]) ).
cnf(d193,plain,
( ~ familiar(two,six)
| familiar(four,six)
| familiar(three,five) ),
inference(resolution,[status(thm)],[d192,d126]) ).
cnf(d194,plain,
( familiar(four,six)
| familiar(three,five)
| familiar(four,six)
| familiar(three,five) ),
inference(resolution,[status(thm)],[d193,d189]) ).
cnf(d195,plain,
( ~ familiar(three,six)
| familiar(four,six) ),
inference(resolution,[status(thm)],[d194,d126]) ).
cnf(d196,plain,
( familiar(four,six)
| familiar(four,six) ),
inference(resolution,[status(thm)],[d195,d177]) ).
cnf(d197,plain,
( ~ familiar(X0,six)
| ~ familiar(X0,four) ),
inference(resolution,[status(thm)],[d196,c13]) ).
cnf(d198,plain,
( familiar(four,five)
| familiar(two,five)
| ~ familiar(two,six) ),
inference(resolution,[status(thm)],[d197,d129]) ).
cnf(d199,plain,
( familiar(four,five)
| familiar(three,six)
| familiar(four,five)
| familiar(two,five) ),
inference(resolution,[status(thm)],[d198,d165]) ).
cnf(d200,plain,
( ~ familiar(two,six)
| familiar(four,five)
| familiar(three,six) ),
inference(resolution,[status(thm)],[d199,d126]) ).
cnf(d201,plain,
( familiar(four,five)
| familiar(three,six)
| familiar(four,five)
| familiar(three,six) ),
inference(resolution,[status(thm)],[d200,d165]) ).
cnf(d202,plain,
( familiar(four,five)
| familiar(four,five) ),
inference(resolution,[status(thm)],[d201,d152]) ).
cnf(d203,plain,
~ familiar(four,six),
inference(resolution,[status(thm)],[d202,d126]) ).
cnf(d204,plain,
$false,
inference(resolution,[status(thm)],[d196,d203]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.01 % Problem : PUZ028-5 : TPTP v9.3.1. Released v2.0.0.
% 0.00/0.02 % Command : casc-portfolio.sh -t 300 /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.02/0.29 % Computer : n012.cluster.edu
% 0.02/0.29 % Model : x86_64 x86_64
% 0.02/0.29 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.02/0.29 % Memory : 8046.5625MB
% 0.02/0.29 % OS : Linux 6.8.0-71-generic
% 0.02/0.29 % CPULimit : 300
% 0.02/0.29 % WCLimit : 300
% 0.02/0.29 % DateTime : Sat Sep 26 05:05:20 UTC 2026
% 0.02/0.29 % CPUTime :
% 0.02/0.29 Running casc-portfolio.sh -t 300 /export/starexec/sandbox2/benchmark/theBenchmark.p
% 10.41/1.90 % SZS status Unsatisfiable for theBenchmark.p
% 10.41/1.90 % SZS output start CNFRefutation for theBenchmark.p
% See solution above
%------------------------------------------------------------------------------