%------------------------------------------------------------------------------
% File : CSE_E---1.7
% Problem : PUZ028-1 : TPTP v9.2.1. Released v1.0.0.
% Transfm : none
% Format : tptp:raw
% Command : /export/starexec/sandbox/solver/bin/lemma_parallel_prover %s --lemma-prover /export/starexec/sandbox/solver/bin/cse --final-prover /export/starexec/sandbox/solver/bin/eprover --proof-time %d --global-time-limit %d
% Computer : n002.cluster.edu
% Model : x86_64 x86_64
% CPU : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory : 8042.1875MB
% OS : Linux 3.10.0-693.el7.x86_64
% CPULimit : 300s
% WCLimit : 300s
% DateTime : Tue May 5 05:02:41 PM UTC 2026
% Result : Satisfiable 1.25s 1.71s
% Output : Saturation 1.25s
% Verified :
% SZS Type : ERROR: Analysing output (MakeTreeStats fails)
% Comments :
%------------------------------------------------------------------------------
cnf(transitivity_of_order,axiom,
( after(X1,X2)
| ~ after(X1,X3)
| ~ after(X3,X2) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',transitivity_of_order) ).
cnf(order4,axiom,
after(four,five),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',order4) ).
cnf(order5,axiom,
after(five,six),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',order5) ).
cnf(order3,axiom,
after(three,four),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',order3) ).
cnf(order2,axiom,
after(two,three),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',order2) ).
cnf(familiar_or_not,axiom,
( familiar(X1,X2)
| not_familiar(X1,X2)
| ~ person(X1)
| ~ person(X2)
| ~ after(X1,X2) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',familiar_or_not) ).
cnf(person6,axiom,
person(six),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',person6) ).
cnf(person5,axiom,
person(five),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',person5) ).
cnf(person4,axiom,
person(four),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',person4) ).
cnf(person2,axiom,
person(two),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',person2) ).
cnf(person3,axiom,
person(three),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',person3) ).
cnf(order1,axiom,
after(one,two),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',order1) ).
cnf(person1,axiom,
person(one),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',person1) ).
cnf(three_not_familiar,negated_conjecture,
( ~ not_familiar(X1,X2)
| ~ not_familiar(X2,X3)
| ~ not_familiar(X3,X1) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',three_not_familiar) ).
cnf(three_familiar,negated_conjecture,
( ~ familiar(X1,X2)
| ~ familiar(X2,X3)
| ~ familiar(X3,X1) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',three_familiar) ).
cnf(c_0_15,axiom,
( after(X1,X2)
| ~ after(X1,X3)
| ~ after(X3,X2) ),
transitivity_of_order,
[final] ).
cnf(c_0_16,axiom,
after(four,five),
order4,
[final] ).
cnf(c_0_17,axiom,
after(five,six),
order5,
[final] ).
cnf(c_0_18,plain,
( after(X1,five)
| ~ after(X1,four) ),
inference(spm,[status(thm)],[c_0_15,c_0_16]),
[final] ).
cnf(c_0_19,plain,
( after(X1,six)
| ~ after(X1,five) ),
inference(spm,[status(thm)],[c_0_15,c_0_17]),
[final] ).
cnf(c_0_20,plain,
( after(X1,five)
| ~ after(X2,four)
| ~ after(X1,X2) ),
inference(spm,[status(thm)],[c_0_15,c_0_18]),
[final] ).
cnf(c_0_21,axiom,
after(three,four),
order3,
[final] ).
cnf(c_0_22,plain,
( after(X1,six)
| ~ after(X2,five)
| ~ after(X1,X2) ),
inference(spm,[status(thm)],[c_0_15,c_0_19]),
[final] ).
cnf(c_0_23,plain,
( after(X1,five)
| ~ after(X1,three) ),
inference(spm,[status(thm)],[c_0_20,c_0_21]),
[final] ).
cnf(c_0_24,plain,
( after(X1,four)
| ~ after(X1,three) ),
inference(spm,[status(thm)],[c_0_15,c_0_21]),
[final] ).
cnf(c_0_25,plain,
( after(X1,six)
| ~ after(X2,four)
| ~ after(X1,X2) ),
inference(spm,[status(thm)],[c_0_22,c_0_18]),
[final] ).
cnf(c_0_26,plain,
( after(X1,six)
| ~ after(X2,three)
| ~ after(X1,X2) ),
inference(spm,[status(thm)],[c_0_22,c_0_23]),
[final] ).
cnf(c_0_27,axiom,
after(two,three),
order2,
[final] ).
cnf(c_0_28,plain,
( after(X1,five)
| ~ after(X2,three)
| ~ after(X1,X2) ),
inference(spm,[status(thm)],[c_0_20,c_0_24]),
[final] ).
cnf(c_0_29,axiom,
( familiar(X1,X2)
| not_familiar(X1,X2)
| ~ person(X1)
| ~ person(X2)
| ~ after(X1,X2) ),
familiar_or_not,
[final] ).
cnf(c_0_30,plain,
( after(X1,six)
| ~ after(X1,three) ),
inference(spm,[status(thm)],[c_0_25,c_0_21]),
[final] ).
cnf(c_0_31,axiom,
person(six),
person6,
[final] ).
cnf(c_0_32,plain,
( after(X1,four)
| ~ after(X2,three)
| ~ after(X1,X2) ),
inference(spm,[status(thm)],[c_0_15,c_0_24]),
[final] ).
cnf(c_0_33,axiom,
person(five),
person5,
[final] ).
cnf(c_0_34,plain,
( after(X1,six)
| ~ after(X1,four) ),
inference(spm,[status(thm)],[c_0_22,c_0_16]),
[final] ).
cnf(c_0_35,axiom,
person(four),
person4,
[final] ).
cnf(c_0_36,plain,
( after(X1,six)
| ~ after(X1,two) ),
inference(spm,[status(thm)],[c_0_26,c_0_27]),
[final] ).
cnf(c_0_37,plain,
( after(X1,five)
| ~ after(X1,two) ),
inference(spm,[status(thm)],[c_0_28,c_0_27]),
[final] ).
cnf(c_0_38,plain,
( not_familiar(X1,six)
| familiar(X1,six)
| ~ after(X1,three)
| ~ person(X1) ),
inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_29,c_0_30]),c_0_31])]),
[final] ).
cnf(c_0_39,axiom,
person(two),
person2,
[final] ).
cnf(c_0_40,plain,
( not_familiar(X1,six)
| familiar(X1,six)
| ~ after(X1,five)
| ~ person(X1) ),
inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_29,c_0_19]),c_0_31])]),
[final] ).
cnf(c_0_41,plain,
( after(X1,four)
| ~ after(X1,two) ),
inference(spm,[status(thm)],[c_0_32,c_0_27]),
[final] ).
cnf(c_0_42,plain,
( not_familiar(X1,five)
| familiar(X1,five)
| ~ after(X1,three)
| ~ person(X1) ),
inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_29,c_0_23]),c_0_33])]),
[final] ).
cnf(c_0_43,plain,
( not_familiar(X1,six)
| familiar(X1,six)
| ~ after(X1,four)
| ~ person(X1) ),
inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_29,c_0_34]),c_0_31])]),
[final] ).
cnf(c_0_44,axiom,
person(three),
person3,
[final] ).
cnf(c_0_45,plain,
( after(X1,three)
| ~ after(X1,two) ),
inference(spm,[status(thm)],[c_0_15,c_0_27]),
[final] ).
cnf(c_0_46,plain,
( not_familiar(X1,five)
| familiar(X1,five)
| ~ after(X1,four)
| ~ person(X1) ),
inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_29,c_0_18]),c_0_33])]),
[final] ).
cnf(c_0_47,plain,
( not_familiar(X1,four)
| familiar(X1,four)
| ~ after(X1,three)
| ~ person(X1) ),
inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_29,c_0_24]),c_0_35])]),
[final] ).
cnf(c_0_48,plain,
( not_familiar(X1,six)
| familiar(X1,six)
| ~ after(X1,two)
| ~ person(X1) ),
inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_29,c_0_36]),c_0_31])]),
[final] ).
cnf(c_0_49,axiom,
after(one,two),
order1,
[final] ).
cnf(c_0_50,axiom,
person(one),
person1,
[final] ).
cnf(c_0_51,negated_conjecture,
( ~ not_familiar(X1,X2)
| ~ not_familiar(X2,X3)
| ~ not_familiar(X3,X1) ),
three_not_familiar,
[final] ).
cnf(c_0_52,plain,
( not_familiar(five,six)
| familiar(five,six) ),
inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_29,c_0_17]),c_0_31]),c_0_33])]),
[final] ).
cnf(c_0_53,plain,
( not_familiar(X1,five)
| familiar(X1,five)
| ~ after(X1,two)
| ~ person(X1) ),
inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_29,c_0_37]),c_0_33])]),
[final] ).
cnf(c_0_54,plain,
( not_familiar(two,six)
| familiar(two,six) ),
inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_38,c_0_27]),c_0_39])]),
[final] ).
cnf(c_0_55,plain,
( not_familiar(four,six)
| familiar(four,six) ),
inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_40,c_0_16]),c_0_35])]),
[final] ).
cnf(c_0_56,plain,
( not_familiar(X1,four)
| familiar(X1,four)
| ~ after(X1,two)
| ~ person(X1) ),
inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_29,c_0_41]),c_0_35])]),
[final] ).
cnf(c_0_57,plain,
( not_familiar(four,five)
| familiar(four,five) ),
inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_29,c_0_16]),c_0_33]),c_0_35])]),
[final] ).
cnf(c_0_58,plain,
( not_familiar(two,five)
| familiar(two,five) ),
inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_42,c_0_27]),c_0_39])]),
[final] ).
cnf(c_0_59,plain,
( not_familiar(three,six)
| familiar(three,six) ),
inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_43,c_0_21]),c_0_44])]),
[final] ).
cnf(c_0_60,plain,
( not_familiar(X1,three)
| familiar(X1,three)
| ~ after(X1,two)
| ~ person(X1) ),
inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_29,c_0_45]),c_0_44])]),
[final] ).
cnf(c_0_61,plain,
( not_familiar(three,five)
| familiar(three,five) ),
inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_46,c_0_21]),c_0_44])]),
[final] ).
cnf(c_0_62,plain,
( not_familiar(three,four)
| familiar(three,four) ),
inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_29,c_0_21]),c_0_35]),c_0_44])]),
[final] ).
cnf(c_0_63,plain,
( not_familiar(two,four)
| familiar(two,four) ),
inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_47,c_0_27]),c_0_39])]),
[final] ).
cnf(c_0_64,plain,
( not_familiar(two,three)
| familiar(two,three) ),
inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_29,c_0_27]),c_0_44]),c_0_39])]),
[final] ).
cnf(c_0_65,plain,
( not_familiar(one,six)
| familiar(one,six) ),
inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_48,c_0_49]),c_0_50])]),
[final] ).
cnf(c_0_66,negated_conjecture,
( familiar(five,six)
| ~ not_familiar(X1,five)
| ~ not_familiar(six,X1) ),
inference(spm,[status(thm)],[c_0_51,c_0_52]),
[final] ).
cnf(c_0_67,plain,
( not_familiar(one,five)
| familiar(one,five) ),
inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_53,c_0_49]),c_0_50])]),
[final] ).
cnf(c_0_68,negated_conjecture,
( familiar(two,six)
| ~ not_familiar(X1,two)
| ~ not_familiar(six,X1) ),
inference(spm,[status(thm)],[c_0_51,c_0_54]),
[final] ).
cnf(c_0_69,plain,
( not_familiar(one,two)
| familiar(one,two) ),
inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_29,c_0_49]),c_0_39]),c_0_50])]),
[final] ).
cnf(c_0_70,negated_conjecture,
( familiar(four,six)
| ~ not_familiar(X1,four)
| ~ not_familiar(six,X1) ),
inference(spm,[status(thm)],[c_0_51,c_0_55]),
[final] ).
cnf(c_0_71,plain,
( not_familiar(one,four)
| familiar(one,four) ),
inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_56,c_0_49]),c_0_50])]),
[final] ).
cnf(c_0_72,negated_conjecture,
( familiar(four,five)
| ~ not_familiar(X1,four)
| ~ not_familiar(five,X1) ),
inference(spm,[status(thm)],[c_0_51,c_0_57]),
[final] ).
cnf(c_0_73,negated_conjecture,
( familiar(two,five)
| ~ not_familiar(X1,two)
| ~ not_familiar(five,X1) ),
inference(spm,[status(thm)],[c_0_51,c_0_58]),
[final] ).
cnf(c_0_74,negated_conjecture,
( familiar(three,six)
| ~ not_familiar(X1,three)
| ~ not_familiar(six,X1) ),
inference(spm,[status(thm)],[c_0_51,c_0_59]),
[final] ).
cnf(c_0_75,plain,
( not_familiar(one,three)
| familiar(one,three) ),
inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_60,c_0_49]),c_0_50])]),
[final] ).
cnf(c_0_76,negated_conjecture,
( familiar(three,five)
| ~ not_familiar(X1,three)
| ~ not_familiar(five,X1) ),
inference(spm,[status(thm)],[c_0_51,c_0_61]),
[final] ).
cnf(c_0_77,negated_conjecture,
( familiar(three,four)
| ~ not_familiar(X1,three)
| ~ not_familiar(four,X1) ),
inference(spm,[status(thm)],[c_0_51,c_0_62]),
[final] ).
cnf(c_0_78,negated_conjecture,
( familiar(two,four)
| ~ not_familiar(X1,two)
| ~ not_familiar(four,X1) ),
inference(spm,[status(thm)],[c_0_51,c_0_63]),
[final] ).
cnf(c_0_79,plain,
( after(X1,six)
| ~ after(X2,two)
| ~ after(X1,X2) ),
inference(spm,[status(thm)],[c_0_25,c_0_41]),
[final] ).
cnf(c_0_80,negated_conjecture,
( familiar(two,three)
| ~ not_familiar(X1,two)
| ~ not_familiar(three,X1) ),
inference(spm,[status(thm)],[c_0_51,c_0_64]),
[final] ).
cnf(c_0_81,plain,
( after(X1,five)
| ~ after(X2,two)
| ~ after(X1,X2) ),
inference(spm,[status(thm)],[c_0_20,c_0_41]),
[final] ).
cnf(c_0_82,plain,
( after(X1,four)
| ~ after(X2,two)
| ~ after(X1,X2) ),
inference(spm,[status(thm)],[c_0_32,c_0_45]),
[final] ).
cnf(c_0_83,plain,
( after(X1,three)
| ~ after(X2,two)
| ~ after(X1,X2) ),
inference(spm,[status(thm)],[c_0_15,c_0_45]),
[final] ).
cnf(c_0_84,negated_conjecture,
( familiar(one,six)
| ~ not_familiar(X1,one)
| ~ not_familiar(six,X1) ),
inference(spm,[status(thm)],[c_0_51,c_0_65]),
[final] ).
cnf(c_0_85,negated_conjecture,
( familiar(one,five)
| familiar(five,six)
| ~ not_familiar(six,one) ),
inference(spm,[status(thm)],[c_0_66,c_0_67]),
[final] ).
cnf(c_0_86,negated_conjecture,
( familiar(one,five)
| ~ not_familiar(X1,one)
| ~ not_familiar(five,X1) ),
inference(spm,[status(thm)],[c_0_51,c_0_67]),
[final] ).
cnf(c_0_87,negated_conjecture,
( familiar(one,two)
| familiar(two,six)
| ~ not_familiar(six,one) ),
inference(spm,[status(thm)],[c_0_68,c_0_69]),
[final] ).
cnf(c_0_88,negated_conjecture,
( familiar(one,four)
| familiar(four,six)
| ~ not_familiar(six,one) ),
inference(spm,[status(thm)],[c_0_70,c_0_71]),
[final] ).
cnf(c_0_89,negated_conjecture,
( familiar(one,four)
| familiar(four,five)
| ~ not_familiar(five,one) ),
inference(spm,[status(thm)],[c_0_72,c_0_71]),
[final] ).
cnf(c_0_90,negated_conjecture,
( familiar(one,four)
| ~ not_familiar(X1,one)
| ~ not_familiar(four,X1) ),
inference(spm,[status(thm)],[c_0_51,c_0_71]),
[final] ).
cnf(c_0_91,negated_conjecture,
( familiar(one,two)
| familiar(two,five)
| ~ not_familiar(five,one) ),
inference(spm,[status(thm)],[c_0_73,c_0_69]),
[final] ).
cnf(c_0_92,negated_conjecture,
( familiar(two,five)
| familiar(five,six)
| ~ not_familiar(six,two) ),
inference(spm,[status(thm)],[c_0_66,c_0_58]),
[final] ).
cnf(c_0_93,negated_conjecture,
( familiar(one,three)
| familiar(three,six)
| ~ not_familiar(six,one) ),
inference(spm,[status(thm)],[c_0_74,c_0_75]),
[final] ).
cnf(c_0_94,negated_conjecture,
( familiar(two,three)
| familiar(three,six)
| ~ not_familiar(six,two) ),
inference(spm,[status(thm)],[c_0_74,c_0_64]),
[final] ).
cnf(c_0_95,negated_conjecture,
( familiar(one,three)
| familiar(three,five)
| ~ not_familiar(five,one) ),
inference(spm,[status(thm)],[c_0_76,c_0_75]),
[final] ).
cnf(c_0_96,negated_conjecture,
( familiar(one,three)
| familiar(three,four)
| ~ not_familiar(four,one) ),
inference(spm,[status(thm)],[c_0_77,c_0_75]),
[final] ).
cnf(c_0_97,negated_conjecture,
( familiar(one,three)
| ~ not_familiar(X1,one)
| ~ not_familiar(three,X1) ),
inference(spm,[status(thm)],[c_0_51,c_0_75]),
[final] ).
cnf(c_0_98,negated_conjecture,
( familiar(one,two)
| familiar(two,four)
| ~ not_familiar(four,one) ),
inference(spm,[status(thm)],[c_0_78,c_0_69]),
[final] ).
cnf(c_0_99,negated_conjecture,
( familiar(two,four)
| familiar(four,six)
| ~ not_familiar(six,two) ),
inference(spm,[status(thm)],[c_0_70,c_0_63]),
[final] ).
cnf(c_0_100,negated_conjecture,
( familiar(two,four)
| familiar(four,five)
| ~ not_familiar(five,two) ),
inference(spm,[status(thm)],[c_0_72,c_0_63]),
[final] ).
cnf(c_0_101,negated_conjecture,
( familiar(two,three)
| familiar(three,five)
| ~ not_familiar(five,two) ),
inference(spm,[status(thm)],[c_0_76,c_0_64]),
[final] ).
cnf(c_0_102,negated_conjecture,
( familiar(three,five)
| familiar(five,six)
| ~ not_familiar(six,three) ),
inference(spm,[status(thm)],[c_0_66,c_0_61]),
[final] ).
cnf(c_0_103,negated_conjecture,
( familiar(three,four)
| familiar(four,six)
| ~ not_familiar(six,three) ),
inference(spm,[status(thm)],[c_0_70,c_0_62]),
[final] ).
cnf(c_0_104,plain,
( after(X1,six)
| ~ after(X1,one) ),
inference(spm,[status(thm)],[c_0_79,c_0_49]),
[final] ).
cnf(c_0_105,negated_conjecture,
( familiar(one,two)
| familiar(two,three)
| ~ not_familiar(three,one) ),
inference(spm,[status(thm)],[c_0_80,c_0_69]),
[final] ).
cnf(c_0_106,negated_conjecture,
( familiar(two,three)
| familiar(three,four)
| ~ not_familiar(four,two) ),
inference(spm,[status(thm)],[c_0_77,c_0_64]),
[final] ).
cnf(c_0_107,negated_conjecture,
( familiar(three,four)
| familiar(four,five)
| ~ not_familiar(five,three) ),
inference(spm,[status(thm)],[c_0_72,c_0_62]),
[final] ).
cnf(c_0_108,negated_conjecture,
( familiar(four,five)
| familiar(five,six)
| ~ not_familiar(six,four) ),
inference(spm,[status(thm)],[c_0_66,c_0_57]),
[final] ).
cnf(c_0_109,plain,
( after(X1,five)
| ~ after(X1,one) ),
inference(spm,[status(thm)],[c_0_81,c_0_49]),
[final] ).
cnf(c_0_110,plain,
( after(X1,four)
| ~ after(X1,one) ),
inference(spm,[status(thm)],[c_0_82,c_0_49]),
[final] ).
cnf(c_0_111,negated_conjecture,
( familiar(one,two)
| ~ not_familiar(X1,one)
| ~ not_familiar(two,X1) ),
inference(spm,[status(thm)],[c_0_51,c_0_69]),
[final] ).
cnf(c_0_112,plain,
( after(X1,three)
| ~ after(X1,one) ),
inference(spm,[status(thm)],[c_0_83,c_0_49]),
[final] ).
cnf(c_0_113,plain,
( after(X1,two)
| ~ after(X1,one) ),
inference(spm,[status(thm)],[c_0_15,c_0_49]),
[final] ).
cnf(c_0_114,negated_conjecture,
( ~ familiar(X1,X2)
| ~ familiar(X2,X3)
| ~ familiar(X3,X1) ),
three_familiar,
[final] ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.12 % Problem : PUZ028-1 : TPTP v9.2.1. Released v1.0.0.
% 0.00/0.12 % Command : /export/starexec/sandbox/solver/bin/lemma_parallel_prover %s --lemma-prover /export/starexec/sandbox/solver/bin/cse --final-prover /export/starexec/sandbox/solver/bin/eprover --proof-time %d --global-time-limit %d
% 0.14/0.32 % Computer : n002.cluster.edu
% 0.14/0.32 % Model : x86_64 x86_64
% 0.14/0.32 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.32 % Memory : 8042.1875MB
% 0.14/0.32 % OS : Linux 3.10.0-693.el7.x86_64
% 0.14/0.33 % CPULimit : 300
% 0.14/0.33 % WCLimit : 300
% 0.14/0.33 % DateTime : Tue May 5 01:33:31 EDT 2026
% 0.14/0.33 % CPUTime :
% 0.14/0.34 % start to proof: theBenchmark
% 1.25/1.71 % Version : CSE_E---1.7
% 1.25/1.71 % Problem : theBenchmark.p
% 1.25/1.71 % SZS status Satisfiable for theBenchmark.p
% 1.25/1.71 % SZS output start Saturation
% See solution above
% 1.25/1.71 % Total time : 1.368s
%------------------------------------------------------------------------------