%------------------------------------------------------------------------------
% File : CSE_E---1.7
% Problem : CSR147+1 : TPTP v9.2.1. Released v4.1.0.
% Transfm : none
% Format : tptp:raw
% Command : /export/starexec/sandbox2/solver/bin/lemma_parallel_prover %s --lemma-prover /export/starexec/sandbox2/solver/bin/cse --final-prover /export/starexec/sandbox2/solver/bin/eprover --proof-time %d --global-time-limit %d
% Computer : n020.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 04:16:00 PM UTC 2026
% Result : Theorem 0.26s 1.62s
% Output : CNFRefutation 0.36s
% Verified :
% SZS Type : ERROR: Analysing output (Could not find formula named 23)
% Comments :
%------------------------------------------------------------------------------
fof(experience,axiom,
! [X2,X3,X4] :
( s__Human(X2)
=> ( ( s__age(X2,X3)
& s__age(s__siblingFn(X2),X4)
& greater(X3,X4) )
=> ( s__more_experienced(X2,s__siblingFn(X2))
| s__has_seen_more(s__siblingFn(X2),X2) ) ) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',experience) ).
fof(sibling_symmetry,axiom,
! [X5,X6] :
( ( s__Human(X5)
& s__Human(X6) )
=> ( X5 = s__siblingFn(X6)
=> X6 = s__siblingFn(X5) ) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',sibling_symmetry) ).
fof(jim_has_seen_more,axiom,
~ s__has_seen_more(geoff,jim),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',jim_has_seen_more) ).
fof(jim_is_experienced,conjecture,
s__more_experienced(jim,geoff),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',jim_is_experienced) ).
fof(sibling_type,axiom,
! [X1] :
( s__Human(X1)
=> s__Human(s__siblingFn(X1)) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',sibling_type) ).
fof(humans_are_living,axiom,
! [X1] :
( s__Human(X1)
=> s__LivingThing(X1) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',humans_are_living) ).
fof(living_type,axiom,
? [X1] : s__LivingThing(X1),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',living_type) ).
fof(human_type,axiom,
? [X1] : s__Human(X1),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',human_type) ).
fof(greater_54_48,axiom,
greater(n54,n48),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',greater_54_48) ).
fof(jim_54,axiom,
s__age(jim,n54),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',jim_54) ).
fof(geoff_48,axiom,
s__age(geoff,n48),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',geoff_48) ).
fof(jim_human,axiom,
s__Human(jim),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',jim_human) ).
fof(geoff_human,axiom,
s__Human(geoff),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',geoff_human) ).
fof(geoff_and_jim,axiom,
geoff = s__siblingFn(jim),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',geoff_and_jim) ).
fof(i_0_14,plain,
! [X20,X21,X22] :
( ~ s__Human(X20)
| ~ s__age(X20,X21)
| ~ s__age(s__siblingFn(X20),X22)
| ~ greater(X21,X22)
| s__more_experienced(X20,s__siblingFn(X20))
| s__has_seen_more(s__siblingFn(X20),X20) ),
inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[experience])]) ).
fof(i_0_15,plain,
! [X23,X24] :
( ~ s__Human(X23)
| ~ s__Human(X24)
| X23 != s__siblingFn(X24)
| X24 = s__siblingFn(X23) ),
inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[sibling_symmetry])]) ).
fof(i_0_16,plain,
~ s__has_seen_more(geoff,jim),
inference(fof_simplification,[status(thm)],[jim_has_seen_more]) ).
fof(i_0_17,negated_conjecture,
~ s__more_experienced(jim,geoff),
inference(fof_simplification,[status(thm)],[inference(assume_negation,[status(cth)],[jim_is_experienced])]) ).
fof(i_0_18,plain,
! [X19] :
( ~ s__Human(X19)
| s__Human(s__siblingFn(X19)) ),
inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[sibling_type])]) ).
fof(i_0_19,plain,
! [X18] :
( ~ s__Human(X18)
| s__LivingThing(X18) ),
inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[humans_are_living])]) ).
fof(i_0_20,plain,
s__LivingThing(esk2_0),
inference(skolemize,[status(esa)],[inference(variable_rename,[status(thm)],[living_type])]) ).
fof(i_0_21,plain,
s__Human(esk1_0),
inference(skolemize,[status(esa)],[inference(variable_rename,[status(thm)],[human_type])]) ).
cnf(i_0_22,plain,
( s__more_experienced(X1,s__siblingFn(X1))
| s__has_seen_more(s__siblingFn(X1),X1)
| ~ s__Human(X1)
| ~ s__age(X1,X2)
| ~ s__age(s__siblingFn(X1),X3)
| ~ greater(X2,X3) ),
inference(split_conjunct,[status(thm)],[i_0_14]),
[final] ).
cnf(i_0_23,plain,
( X2 = s__siblingFn(X1)
| ~ s__Human(X1)
| ~ s__Human(X2)
| X1 != s__siblingFn(X2) ),
inference(split_conjunct,[status(thm)],[i_0_15]),
[final] ).
cnf(i_0_24,plain,
~ s__has_seen_more(geoff,jim),
inference(split_conjunct,[status(thm)],[i_0_16]),
[final] ).
cnf(i_0_25,negated_conjecture,
~ s__more_experienced(jim,geoff),
inference(split_conjunct,[status(thm)],[i_0_17]),
[final] ).
cnf(i_0_26,plain,
( s__Human(s__siblingFn(X1))
| ~ s__Human(X1) ),
inference(split_conjunct,[status(thm)],[i_0_18]),
[final] ).
cnf(i_0_27,plain,
( s__LivingThing(X1)
| ~ s__Human(X1) ),
inference(split_conjunct,[status(thm)],[i_0_19]),
[final] ).
cnf(i_0_28,plain,
greater(n54,n48),
inference(split_conjunct,[status(thm)],[greater_54_48]),
[final] ).
cnf(i_0_29,plain,
s__age(jim,n54),
inference(split_conjunct,[status(thm)],[jim_54]),
[final] ).
cnf(i_0_30,plain,
s__age(geoff,n48),
inference(split_conjunct,[status(thm)],[geoff_48]),
[final] ).
cnf(i_0_31,plain,
s__LivingThing(esk2_0),
inference(split_conjunct,[status(thm)],[i_0_20]),
[final] ).
cnf(i_0_32,plain,
s__Human(esk1_0),
inference(split_conjunct,[status(thm)],[i_0_21]),
[final] ).
cnf(i_0_33,plain,
s__Human(jim),
inference(split_conjunct,[status(thm)],[jim_human]),
[final] ).
cnf(i_0_34,plain,
s__Human(geoff),
inference(split_conjunct,[status(thm)],[geoff_human]),
[final] ).
cnf(i_0_35,plain,
geoff = s__siblingFn(jim),
inference(split_conjunct,[status(thm)],[geoff_and_jim]),
[final] ).
cnf(i_0_36,axiom,
X1 = X1 ).
cnf(i_0_37,axiom,
( X1 = X2
| X2 != X1 ) ).
cnf(i_0_38,axiom,
( X1 = X2
| X1 != X3
| X3 != X2 ) ).
cnf(i_0_39,axiom,
( X1 != X2
| s__siblingFn(X1) = s__siblingFn(X2) ) ).
cnf(i_0_40,axiom,
( X1 != X2
| ~ s__more_experienced(X1,X3)
| s__more_experienced(X2,X3) ) ).
cnf(i_0_41,axiom,
( X1 != X2
| ~ s__more_experienced(X3,X1)
| s__more_experienced(X3,X2) ) ).
cnf(i_0_42,axiom,
( X1 != X2
| ~ s__has_seen_more(X1,X3)
| s__has_seen_more(X2,X3) ) ).
cnf(i_0_43,axiom,
( X1 != X2
| ~ s__has_seen_more(X3,X1)
| s__has_seen_more(X3,X2) ) ).
cnf(i_0_44,axiom,
( X1 != X2
| ~ s__Human(X1)
| s__Human(X2) ) ).
cnf(i_0_45,axiom,
( X1 != X2
| ~ s__age(X1,X3)
| s__age(X2,X3) ) ).
cnf(i_0_46,axiom,
( X1 != X2
| ~ s__age(X3,X1)
| s__age(X3,X2) ) ).
cnf(i_0_47,axiom,
( X1 != X2
| ~ greater(X1,X3)
| greater(X2,X3) ) ).
cnf(i_0_48,axiom,
( X1 != X2
| ~ greater(X3,X1)
| greater(X3,X2) ) ).
cnf(i_0_49,axiom,
( X1 != X2
| ~ s__LivingThing(X1)
| s__LivingThing(X2) ) ).
cnf(i_0_36_001,axiom,
X1 = X1 ).
cnf(i_0_37_002,axiom,
( X1 = X2
| X2 != X1 ) ).
cnf(i_0_38_003,axiom,
( X1 = X2
| X1 != X3
| X3 != X2 ) ).
cnf(i_0_39_004,axiom,
( X1 != X2
| s__siblingFn(X1) = s__siblingFn(X2) ) ).
cnf(i_0_40_005,axiom,
( X1 != X2
| ~ s__more_experienced(X1,X3)
| s__more_experienced(X2,X3) ) ).
cnf(i_0_41_006,axiom,
( X1 != X2
| ~ s__more_experienced(X3,X1)
| s__more_experienced(X3,X2) ) ).
cnf(i_0_42_007,axiom,
( X1 != X2
| ~ s__has_seen_more(X1,X3)
| s__has_seen_more(X2,X3) ) ).
cnf(i_0_43_008,axiom,
( X1 != X2
| ~ s__has_seen_more(X3,X1)
| s__has_seen_more(X3,X2) ) ).
cnf(i_0_44_009,axiom,
( X1 != X2
| ~ s__Human(X1)
| s__Human(X2) ) ).
cnf(i_0_45_010,axiom,
( X1 != X2
| ~ s__age(X1,X3)
| s__age(X2,X3) ) ).
cnf(i_0_46_011,axiom,
( X1 != X2
| ~ s__age(X3,X1)
| s__age(X3,X2) ) ).
cnf(i_0_47_012,axiom,
( X1 != X2
| ~ greater(X1,X3)
| greater(X2,X3) ) ).
cnf(i_0_48_013,axiom,
( X1 != X2
| ~ greater(X3,X1)
| greater(X3,X2) ) ).
cnf(i_0_49_014,axiom,
( X1 != X2
| ~ s__LivingThing(X1)
| s__LivingThing(X2) ) ).
cnf(i_0_50,plain,
( ~ s__Human(s__siblingFn(X1))
| ~ s__Human(X1)
| X1 = s__siblingFn(s__siblingFn(X1)) ),
inference(equality_inference,[],[23]) ).
cnf(i_0_51,plain,
s__siblingFn(jim) = geoff,
inference(scs_inference,[],[i_0_35,i_0_37]) ).
cnf(i_0_52,plain,
s__LivingThing(esk1_0),
inference(scs_inference,[],[i_0_35,i_0_32,i_0_37,i_0_27]) ).
cnf(i_0_53,plain,
( ~ s__Human(X1)
| s__LivingThing(X1) ),
inference(rename_variables,[],[i_0_27]) ).
cnf(i_0_54,plain,
~ s__more_experienced(jim,s__siblingFn(jim)),
inference(scs_inference,[],[i_0_25,i_0_35,i_0_32,i_0_37,i_0_27,i_0_41]) ).
cnf(i_0_55,plain,
~ s__has_seen_more(s__siblingFn(jim),jim),
inference(scs_inference,[],[i_0_25,i_0_35,i_0_24,i_0_32,i_0_37,i_0_27,i_0_41,i_0_42]) ).
cnf(i_0_56,plain,
s__Human(s__siblingFn(jim)),
inference(scs_inference,[],[i_0_25,i_0_35,i_0_24,i_0_32,i_0_34,i_0_37,i_0_27,i_0_41,i_0_42,i_0_44]) ).
cnf(i_0_57,plain,
jim = s__siblingFn(geoff),
inference(scs_inference,[],[i_0_25,i_0_35,i_0_24,i_0_32,i_0_33,i_0_34,i_0_37,i_0_27,i_0_41,i_0_42,i_0_44,i_0_23]) ).
cnf(i_0_58,plain,
( X1 != s__siblingFn(X2)
| X2 = s__siblingFn(X1)
| ~ s__Human(X1)
| ~ s__Human(X2) ),
inference(rename_variables,[],[i_0_23]) ).
cnf(i_0_59,plain,
~ s__age(s__siblingFn(jim),n48),
inference(scs_inference,[],[i_0_25,i_0_35,i_0_24,i_0_28,i_0_29,i_0_32,i_0_33,i_0_34,i_0_37,i_0_27,i_0_41,i_0_42,i_0_44,i_0_23,i_0_22]) ).
cnf(i_0_60,plain,
( s__has_seen_more(s__siblingFn(X1),X1)
| s__more_experienced(X1,s__siblingFn(X1))
| ~ s__age(s__siblingFn(X1),X2)
| ~ s__Human(X1)
| ~ greater(X3,X2)
| ~ s__age(X1,X3) ),
inference(rename_variables,[],[i_0_22]) ).
cnf(i_0_61,plain,
( X1 != jim
| ~ s__more_experienced(X1,geoff) ),
inference(scs_inference,[],[i_0_25,i_0_35,i_0_24,i_0_28,i_0_29,i_0_32,i_0_33,i_0_34,i_0_37,i_0_27,i_0_41,i_0_42,i_0_44,i_0_23,i_0_22,i_0_40]) ).
cnf(i_0_62,plain,
jim = s__siblingFn(s__siblingFn(jim)),
inference(scs_inference,[],[i_0_25,i_0_35,i_0_24,i_0_28,i_0_29,i_0_32,i_0_33,i_0_34,i_0_37,i_0_27,i_0_41,i_0_42,i_0_44,i_0_23,i_0_22,i_0_40,i_0_50]) ).
cnf(i_0_63,plain,
( ~ s__Human(X1)
| X1 = s__siblingFn(s__siblingFn(X1))
| ~ s__Human(s__siblingFn(X1)) ),
inference(rename_variables,[],[i_0_50]) ).
cnf(i_0_64,plain,
( X1 = s__siblingFn(geoff)
| X1 != jim ),
inference(scs_inference,[],[i_0_25,i_0_35,i_0_24,i_0_28,i_0_29,i_0_30,i_0_32,i_0_33,i_0_34,i_0_37,i_0_27,i_0_41,i_0_42,i_0_44,i_0_23,i_0_22,i_0_40,i_0_50,i_0_45,i_0_38]) ).
cnf(i_0_65,plain,
( X1 != jim
| ~ s__has_seen_more(geoff,X1) ),
inference(scs_inference,[],[i_0_25,i_0_35,i_0_24,i_0_28,i_0_29,i_0_30,i_0_32,i_0_33,i_0_34,i_0_37,i_0_27,i_0_41,i_0_42,i_0_44,i_0_23,i_0_22,i_0_40,i_0_50,i_0_45,i_0_38,i_0_43]) ).
cnf(i_0_66,plain,
( X1 != n48
| ~ s__age(s__siblingFn(jim),X1) ),
inference(scs_inference,[],[i_0_25,i_0_35,i_0_24,i_0_28,i_0_29,i_0_30,i_0_32,i_0_33,i_0_34,i_0_37,i_0_27,i_0_41,i_0_42,i_0_44,i_0_23,i_0_22,i_0_40,i_0_50,i_0_45,i_0_38,i_0_43,i_0_46]) ).
cnf(i_0_67,plain,
( s__LivingThing(s__siblingFn(geoff))
| esk2_0 != jim ),
inference(scs_inference,[],[i_0_25,i_0_35,i_0_24,i_0_28,i_0_29,i_0_30,i_0_31,i_0_32,i_0_33,i_0_34,i_0_37,i_0_27,i_0_41,i_0_42,i_0_44,i_0_23,i_0_22,i_0_40,i_0_50,i_0_45,i_0_38,i_0_43,i_0_46,i_0_49]) ).
cnf(i_0_68,plain,
~ s__more_experienced(jim,geoff),
inference(equality_inference,[],[61]) ).
cnf(i_0_69,plain,
jim = s__siblingFn(geoff),
inference(equality_inference,[],[64]) ).
cnf(i_0_70,plain,
~ s__has_seen_more(geoff,jim),
inference(equality_inference,[],[65]) ).
cnf(i_0_71,plain,
~ s__age(s__siblingFn(jim),n48),
inference(equality_inference,[],[66]) ).
cnf(i_0_72,plain,
s__LivingThing(s__siblingFn(jim)),
inference(scs_inference,[],[i_0_56,i_0_27]) ).
cnf(i_0_73,plain,
( ~ s__Human(X1)
| s__LivingThing(X1) ),
inference(rename_variables,[],[i_0_27]) ).
cnf(i_0_74,plain,
s__siblingFn(geoff) = jim,
inference(scs_inference,[],[i_0_57,i_0_56,i_0_27,i_0_37]) ).
cnf(i_0_75,plain,
~ s__more_experienced(s__siblingFn(geoff),geoff),
inference(scs_inference,[],[i_0_25,i_0_57,i_0_56,i_0_27,i_0_37,i_0_40]) ).
cnf(i_0_76,plain,
~ s__more_experienced(s__siblingFn(geoff),s__siblingFn(jim)),
inference(scs_inference,[],[i_0_25,i_0_57,i_0_51,i_0_56,i_0_27,i_0_37,i_0_40,i_0_41]) ).
cnf(i_0_77,plain,
s__siblingFn(geoff) = s__siblingFn(s__siblingFn(jim)),
inference(scs_inference,[],[i_0_25,i_0_57,i_0_62,i_0_51,i_0_56,i_0_27,i_0_37,i_0_40,i_0_41,i_0_38]) ).
cnf(i_0_78,plain,
~ s__has_seen_more(s__siblingFn(jim),s__siblingFn(geoff)),
inference(scs_inference,[],[i_0_25,i_0_57,i_0_62,i_0_51,i_0_56,i_0_55,i_0_27,i_0_37,i_0_40,i_0_41,i_0_38,i_0_43]) ).
cnf(i_0_79,plain,
s__Human(s__siblingFn(geoff)),
inference(scs_inference,[],[i_0_25,i_0_57,i_0_62,i_0_51,i_0_56,i_0_55,i_0_33,i_0_27,i_0_37,i_0_40,i_0_41,i_0_38,i_0_43,i_0_44]) ).
cnf(i_0_80,plain,
$false,
inference(scs_inference,[],[i_0_25,i_0_57,i_0_62,i_0_59,i_0_51,i_0_35,i_0_56,i_0_55,i_0_30,i_0_33,i_0_27,i_0_37,i_0_40,i_0_41,i_0_38,i_0_43,i_0_44,i_0_45]),
[proof] ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.12 % Problem : CSR147+1 : TPTP v9.2.1. Released v4.1.0.
% 0.00/0.12 % Command : /export/starexec/sandbox2/solver/bin/lemma_parallel_prover %s --lemma-prover /export/starexec/sandbox2/solver/bin/cse --final-prover /export/starexec/sandbox2/solver/bin/eprover --proof-time %d --global-time-limit %d
% 0.16/0.33 % Computer : n020.cluster.edu
% 0.16/0.33 % Model : x86_64 x86_64
% 0.16/0.33 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.16/0.33 % Memory : 8042.1875MB
% 0.16/0.33 % OS : Linux 3.10.0-693.el7.x86_64
% 0.16/0.33 % CPULimit : 300
% 0.16/0.33 % WCLimit : 300
% 0.16/0.33 % DateTime : Mon May 4 17:12:35 EDT 2026
% 0.16/0.34 % CPUTime :
% 0.16/0.35 % start to proof: theBenchmark
% 0.26/1.62 % Version : CSE_E---1.7
% 0.26/1.62 % Problem : theBenchmark.p
% 0.26/1.62 % SZS status Theorem for theBenchmark.p
% 0.26/1.62 % SZS output start CNFRefutation
% See solution above
% 0.36/1.76 % Total time : 1.272s
%------------------------------------------------------------------------------