%------------------------------------------------------------------------------
% File : CSE_E---1.7
% Problem : MSC009+1 : TPTP v9.2.1. Released v2.0.0.
% 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 : n018.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 04:48:56 PM UTC 2026
% Result : Satisfiable 1.26s 1.70s
% Output : Saturation 1.26s
% Verified :
% SZS Type : ERROR: Analysing output (MakeTreeStats fails)
% Comments :
%------------------------------------------------------------------------------
fof(mother,axiom,
! [X1] :
( mother(X1)
<=> ( parent(X1)
& ? [X2] :
( sex(X1,X2)
& female(X2) ) ) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',mother) ).
fof(person,axiom,
! [X1] :
( person(X1)
<=> ? [X2] :
( sex(X1,X2)
& ( male(X2)
| female(X2) ) ) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',person) ).
fof(parent,axiom,
! [X1] :
( parent(X1)
<=> ( person(X1)
& ? [X2] :
( child(X1,X2)
& person(X2) ) ) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',parent) ).
fof(female,axiom,
! [X1] :
( female(X1)
<=> ~ male(X1) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',female) ).
fof(parent_with_sons_only,axiom,
! [X1] :
( parent_with_sons_only(X1)
<=> ( parent(X1)
& ! [X2] :
( child(X1,X2)
=> ? [X3] :
( sex(X2,X3)
& male(X3) ) ) ) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',parent_with_sons_only) ).
fof(grandparent,axiom,
! [X1] :
( grandparent(X1)
<=> ( parent(X1)
& ? [X2] :
( child(X1,X2)
& parent(X2) ) ) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',grandparent) ).
fof(father,axiom,
! [X1] :
( father(X1)
<=> ( parent(X1)
& ~ mother(X1) ) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',father) ).
fof(c_0_7,plain,
! [X26,X28,X29] :
( ( parent(X26)
| ~ mother(X26) )
& ( sex(X26,esk3_1(X26))
| ~ mother(X26) )
& ( female(esk3_1(X26))
| ~ mother(X26) )
& ( ~ parent(X28)
| ~ sex(X28,X29)
| ~ female(X29)
| mother(X28) ) ),
inference(distribute,[status(thm)],[inference(shift_quantors,[status(thm)],[inference(skolemize,[status(esa)],[inference(variable_rename,[status(thm)],[inference(shift_quantors,[status(thm)],[inference(fof_nnf,[status(thm)],[mother])])])])])]) ).
fof(c_0_8,plain,
! [X18,X20,X21] :
( ( sex(X18,esk1_1(X18))
| ~ person(X18) )
& ( male(esk1_1(X18))
| female(esk1_1(X18))
| ~ person(X18) )
& ( ~ male(X21)
| ~ sex(X20,X21)
| person(X20) )
& ( ~ female(X21)
| ~ sex(X20,X21)
| person(X20) ) ),
inference(distribute,[status(thm)],[inference(shift_quantors,[status(thm)],[inference(skolemize,[status(esa)],[inference(variable_rename,[status(thm)],[inference(shift_quantors,[status(thm)],[inference(fof_nnf,[status(thm)],[person])])])])])]) ).
fof(c_0_9,plain,
! [X22,X24,X25] :
( ( person(X22)
| ~ parent(X22) )
& ( child(X22,esk2_1(X22))
| ~ parent(X22) )
& ( person(esk2_1(X22))
| ~ parent(X22) )
& ( ~ person(X24)
| ~ child(X24,X25)
| ~ person(X25)
| parent(X24) ) ),
inference(distribute,[status(thm)],[inference(shift_quantors,[status(thm)],[inference(skolemize,[status(esa)],[inference(variable_rename,[status(thm)],[inference(shift_quantors,[status(thm)],[inference(fof_nnf,[status(thm)],[parent])])])])])]) ).
fof(c_0_10,plain,
! [X1] :
( female(X1)
<=> ~ male(X1) ),
inference(fof_simplification,[status(thm)],[female]) ).
fof(c_0_11,plain,
! [X35,X36,X38,X40] :
( ( parent(X35)
| ~ parent_with_sons_only(X35) )
& ( sex(X36,esk5_2(X35,X36))
| ~ child(X35,X36)
| ~ parent_with_sons_only(X35) )
& ( male(esk5_2(X35,X36))
| ~ child(X35,X36)
| ~ parent_with_sons_only(X35) )
& ( child(X38,esk6_1(X38))
| ~ parent(X38)
| parent_with_sons_only(X38) )
& ( ~ sex(esk6_1(X38),X40)
| ~ male(X40)
| ~ parent(X38)
| parent_with_sons_only(X38) ) ),
inference(distribute,[status(thm)],[inference(shift_quantors,[status(thm)],[inference(skolemize,[status(esa)],[inference(variable_rename,[status(thm)],[inference(shift_quantors,[status(thm)],[inference(fof_nnf,[status(thm)],[parent_with_sons_only])])])])])]) ).
cnf(c_0_12,plain,
( mother(X1)
| ~ parent(X1)
| ~ sex(X1,X2)
| ~ female(X2) ),
inference(split_conjunct,[status(thm)],[c_0_7]),
[final] ).
cnf(c_0_13,plain,
( sex(X1,esk1_1(X1))
| ~ person(X1) ),
inference(split_conjunct,[status(thm)],[c_0_8]),
[final] ).
cnf(c_0_14,plain,
( person(X1)
| ~ parent(X1) ),
inference(split_conjunct,[status(thm)],[c_0_9]),
[final] ).
fof(c_0_15,plain,
! [X17] :
( ( ~ female(X17)
| ~ male(X17) )
& ( male(X17)
| female(X17) ) ),
inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[c_0_10])]) ).
cnf(c_0_16,plain,
( parent_with_sons_only(X1)
| ~ sex(esk6_1(X1),X2)
| ~ male(X2)
| ~ parent(X1) ),
inference(split_conjunct,[status(thm)],[c_0_11]),
[final] ).
cnf(c_0_17,plain,
( mother(X1)
| ~ parent(X1)
| ~ female(esk1_1(X1)) ),
inference(csr,[status(thm)],[inference(spm,[status(thm)],[c_0_12,c_0_13]),c_0_14]),
[final] ).
cnf(c_0_18,plain,
( male(X1)
| female(X1) ),
inference(split_conjunct,[status(thm)],[c_0_15]),
[final] ).
cnf(c_0_19,plain,
( person(X2)
| ~ male(X1)
| ~ sex(X2,X1) ),
inference(split_conjunct,[status(thm)],[c_0_8]),
[final] ).
cnf(c_0_20,plain,
( sex(X1,esk5_2(X2,X1))
| ~ child(X2,X1)
| ~ parent_with_sons_only(X2) ),
inference(split_conjunct,[status(thm)],[c_0_11]),
[final] ).
cnf(c_0_21,plain,
( male(esk5_2(X1,X2))
| ~ child(X1,X2)
| ~ parent_with_sons_only(X1) ),
inference(split_conjunct,[status(thm)],[c_0_11]),
[final] ).
fof(c_0_22,plain,
! [X31,X33,X34] :
( ( parent(X31)
| ~ grandparent(X31) )
& ( child(X31,esk4_1(X31))
| ~ grandparent(X31) )
& ( parent(esk4_1(X31))
| ~ grandparent(X31) )
& ( ~ parent(X33)
| ~ child(X33,X34)
| ~ parent(X34)
| grandparent(X33) ) ),
inference(distribute,[status(thm)],[inference(shift_quantors,[status(thm)],[inference(skolemize,[status(esa)],[inference(variable_rename,[status(thm)],[inference(shift_quantors,[status(thm)],[inference(fof_nnf,[status(thm)],[grandparent])])])])])]) ).
fof(c_0_23,plain,
! [X1] :
( father(X1)
<=> ( parent(X1)
& ~ mother(X1) ) ),
inference(fof_simplification,[status(thm)],[father]) ).
cnf(c_0_24,plain,
( parent_with_sons_only(X1)
| ~ parent(X1)
| ~ person(esk6_1(X1))
| ~ male(esk1_1(esk6_1(X1))) ),
inference(spm,[status(thm)],[c_0_16,c_0_13]),
[final] ).
cnf(c_0_25,plain,
( mother(X1)
| male(esk1_1(X1))
| ~ parent(X1) ),
inference(spm,[status(thm)],[c_0_17,c_0_18]),
[final] ).
cnf(c_0_26,plain,
( person(X1)
| ~ parent_with_sons_only(X2)
| ~ child(X2,X1) ),
inference(csr,[status(thm)],[inference(spm,[status(thm)],[c_0_19,c_0_20]),c_0_21]),
[final] ).
cnf(c_0_27,plain,
( child(X1,esk4_1(X1))
| ~ grandparent(X1) ),
inference(split_conjunct,[status(thm)],[c_0_22]),
[final] ).
cnf(c_0_28,plain,
( grandparent(X1)
| ~ parent(X1)
| ~ child(X1,X2)
| ~ parent(X2) ),
inference(split_conjunct,[status(thm)],[c_0_22]),
[final] ).
cnf(c_0_29,plain,
( child(X1,esk6_1(X1))
| parent_with_sons_only(X1)
| ~ parent(X1) ),
inference(split_conjunct,[status(thm)],[c_0_11]),
[final] ).
cnf(c_0_30,plain,
( child(X1,esk2_1(X1))
| ~ parent(X1) ),
inference(split_conjunct,[status(thm)],[c_0_9]),
[final] ).
cnf(c_0_31,plain,
( person(X2)
| ~ female(X1)
| ~ sex(X2,X1) ),
inference(split_conjunct,[status(thm)],[c_0_8]),
[final] ).
cnf(c_0_32,plain,
( sex(X1,esk3_1(X1))
| ~ mother(X1) ),
inference(split_conjunct,[status(thm)],[c_0_7]),
[final] ).
cnf(c_0_33,plain,
( female(esk3_1(X1))
| ~ mother(X1) ),
inference(split_conjunct,[status(thm)],[c_0_7]),
[final] ).
fof(c_0_34,plain,
! [X30] :
( ( parent(X30)
| ~ father(X30) )
& ( ~ mother(X30)
| ~ father(X30) )
& ( ~ parent(X30)
| mother(X30)
| father(X30) ) ),
inference(distribute,[status(thm)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[c_0_23])])]) ).
cnf(c_0_35,plain,
( ~ female(X1)
| ~ male(X1) ),
inference(split_conjunct,[status(thm)],[c_0_15]),
[final] ).
cnf(c_0_36,plain,
( parent_with_sons_only(X1)
| ~ parent_with_sons_only(X2)
| ~ child(X2,esk6_1(X1))
| ~ parent(X1) ),
inference(csr,[status(thm)],[inference(spm,[status(thm)],[c_0_16,c_0_20]),c_0_21]),
[final] ).
cnf(c_0_37,plain,
( parent_with_sons_only(X1)
| mother(esk6_1(X1))
| ~ parent(esk6_1(X1))
| ~ parent(X1) ),
inference(csr,[status(thm)],[inference(spm,[status(thm)],[c_0_24,c_0_25]),c_0_14]),
[final] ).
cnf(c_0_38,plain,
( mother(X1)
| ~ parent_with_sons_only(X2)
| ~ child(X2,X1)
| ~ parent(X1)
| ~ female(esk5_2(X2,X1)) ),
inference(spm,[status(thm)],[c_0_12,c_0_20]),
[final] ).
cnf(c_0_39,plain,
( person(esk4_1(X1))
| ~ parent_with_sons_only(X1)
| ~ grandparent(X1) ),
inference(spm,[status(thm)],[c_0_26,c_0_27]),
[final] ).
cnf(c_0_40,plain,
( parent_with_sons_only(X1)
| grandparent(X1)
| ~ parent(esk6_1(X1))
| ~ parent(X1) ),
inference(spm,[status(thm)],[c_0_28,c_0_29]),
[final] ).
cnf(c_0_41,plain,
( grandparent(X1)
| ~ parent(esk2_1(X1))
| ~ parent(X1) ),
inference(spm,[status(thm)],[c_0_28,c_0_30]),
[final] ).
cnf(c_0_42,plain,
( person(X1)
| ~ mother(X1) ),
inference(csr,[status(thm)],[inference(spm,[status(thm)],[c_0_31,c_0_32]),c_0_33]),
[final] ).
cnf(c_0_43,plain,
( parent(X1)
| ~ person(X1)
| ~ child(X1,X2)
| ~ person(X2) ),
inference(split_conjunct,[status(thm)],[c_0_9]),
[final] ).
cnf(c_0_44,plain,
( mother(X1)
| father(X1)
| ~ parent(X1) ),
inference(split_conjunct,[status(thm)],[c_0_34]),
[final] ).
cnf(c_0_45,plain,
( parent(esk4_1(X1))
| ~ grandparent(X1) ),
inference(split_conjunct,[status(thm)],[c_0_22]),
[final] ).
cnf(c_0_46,plain,
( person(esk2_1(X1))
| ~ parent(X1) ),
inference(split_conjunct,[status(thm)],[c_0_9]),
[final] ).
cnf(c_0_47,plain,
( ~ mother(X1)
| ~ male(esk3_1(X1)) ),
inference(spm,[status(thm)],[c_0_35,c_0_33]),
[final] ).
cnf(c_0_48,plain,
( parent(X1)
| ~ parent_with_sons_only(X1) ),
inference(split_conjunct,[status(thm)],[c_0_11]),
[final] ).
cnf(c_0_49,plain,
( parent(X1)
| ~ grandparent(X1) ),
inference(split_conjunct,[status(thm)],[c_0_22]),
[final] ).
cnf(c_0_50,plain,
( parent(X1)
| ~ father(X1) ),
inference(split_conjunct,[status(thm)],[c_0_34]),
[final] ).
cnf(c_0_51,plain,
( ~ mother(X1)
| ~ father(X1) ),
inference(split_conjunct,[status(thm)],[c_0_34]),
[final] ).
cnf(c_0_52,plain,
( parent(X1)
| ~ mother(X1) ),
inference(split_conjunct,[status(thm)],[c_0_7]),
[final] ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.11 % Problem : MSC009+1 : TPTP v9.2.1. Released v2.0.0.
% 0.00/0.11 % 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
% 0.14/0.32 % Computer : n018.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
% 0.14/0.32 % CPULimit : 300
% 0.14/0.32 % WCLimit : 300
% 0.14/0.32 % DateTime : Mon May 4 23:35:02 EDT 2026
% 0.14/0.32 % CPUTime :
% 0.14/0.33 % start to proof: theBenchmark
% 1.26/1.70 % Version : CSE_E---1.7
% 1.26/1.70 % Problem : theBenchmark.p
% 1.26/1.70 % SZS status Satisfiable for theBenchmark.p
% 1.26/1.70 % SZS output start Saturation
% See solution above
% 1.26/1.70 % Total time : 1.371s
%------------------------------------------------------------------------------