%------------------------------------------------------------------------------
% File : CSE_E---1.7
% Problem : PUZ153+1 : TPTP v9.2.1. Released v9.1.0.
% 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 : n006.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 05:03:43 PM UTC 2026
% Result : CounterSatisfiable 1.24s 1.72s
% Output : Saturation 1.24s
% Verified :
% SZS Type : ERROR: Analysing output (MakeTreeStats fails)
% Comments :
%------------------------------------------------------------------------------
fof(equality_lost,conjecture,
! [X1,X2] :
( ( human(X1)
& human(X2)
& created_equal(X1,X2) )
<=> X1 = X2 ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',equality_lost) ).
fof(grades_not_human,axiom,
! [X4] : ~ human(grade_of(X4)),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',grades_not_human) ).
fof(all_created_equal,axiom,
! [X1,X2] :
( ( human(X1)
& human(X2) )
=> created_equal(X1,X2) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',all_created_equal) ).
fof(someone_got_an_a,axiom,
? [X3] :
( human(X3)
& grade_of(X3) = a ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',someone_got_an_a) ).
fof(john_failed,axiom,
grade_of(john) = f,
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',john_failed) ).
fof(distinct_grades,axiom,
a != f,
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',distinct_grades) ).
fof(john,axiom,
human(john),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',john) ).
fof(c_0_7,negated_conjecture,
~ ! [X1,X2] :
( ( human(X1)
& human(X2)
& created_equal(X1,X2) )
<=> X1 = X2 ),
inference(assume_negation,[status(cth)],[equality_lost]) ).
fof(c_0_8,plain,
! [X4] : ~ human(grade_of(X4)),
inference(fof_simplification,[status(thm)],[grades_not_human]) ).
fof(c_0_9,negated_conjecture,
( ( ~ human(esk2_0)
| ~ human(esk3_0)
| ~ created_equal(esk2_0,esk3_0)
| esk2_0 != esk3_0 )
& ( human(esk2_0)
| esk2_0 = esk3_0 )
& ( human(esk3_0)
| esk2_0 = esk3_0 )
& ( created_equal(esk2_0,esk3_0)
| esk2_0 = esk3_0 ) ),
inference(distribute,[status(thm)],[inference(skolemize,[status(esa)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[c_0_7])])])]) ).
fof(c_0_10,plain,
! [X11,X12] :
( ~ human(X11)
| ~ human(X12)
| created_equal(X11,X12) ),
inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[all_created_equal])]) ).
fof(c_0_11,plain,
! [X14] : ~ human(grade_of(X14)),
inference(variable_rename,[status(thm)],[c_0_8]) ).
fof(c_0_12,plain,
( human(esk1_0)
& grade_of(esk1_0) = a ),
inference(skolemize,[status(esa)],[inference(variable_rename,[status(thm)],[someone_got_an_a])]) ).
cnf(c_0_13,negated_conjecture,
( ~ human(esk2_0)
| ~ human(esk3_0)
| ~ created_equal(esk2_0,esk3_0)
| esk2_0 != esk3_0 ),
inference(split_conjunct,[status(thm)],[c_0_9]) ).
cnf(c_0_14,plain,
( created_equal(X1,X2)
| ~ human(X1)
| ~ human(X2) ),
inference(split_conjunct,[status(thm)],[c_0_10]),
[final] ).
cnf(c_0_15,plain,
~ human(grade_of(X1)),
inference(split_conjunct,[status(thm)],[c_0_11]),
[final] ).
cnf(c_0_16,plain,
grade_of(esk1_0) = a,
inference(split_conjunct,[status(thm)],[c_0_12]),
[final] ).
cnf(c_0_17,plain,
grade_of(john) = f,
inference(split_conjunct,[status(thm)],[john_failed]),
[final] ).
cnf(c_0_18,negated_conjecture,
( esk2_0 != esk3_0
| ~ human(esk2_0)
| ~ human(esk3_0) ),
inference(spm,[status(thm)],[c_0_13,c_0_14]),
[final] ).
cnf(c_0_19,negated_conjecture,
( created_equal(esk2_0,esk3_0)
| esk2_0 = esk3_0 ),
inference(split_conjunct,[status(thm)],[c_0_9]),
[final] ).
cnf(c_0_20,negated_conjecture,
( human(esk3_0)
| esk2_0 = esk3_0 ),
inference(split_conjunct,[status(thm)],[c_0_9]),
[final] ).
cnf(c_0_21,negated_conjecture,
( human(esk2_0)
| esk2_0 = esk3_0 ),
inference(split_conjunct,[status(thm)],[c_0_9]),
[final] ).
cnf(c_0_22,plain,
~ human(a),
inference(spm,[status(thm)],[c_0_15,c_0_16]),
[final] ).
cnf(c_0_23,plain,
~ human(f),
inference(spm,[status(thm)],[c_0_15,c_0_17]),
[final] ).
cnf(c_0_24,plain,
a != f,
inference(split_conjunct,[status(thm)],[distinct_grades]),
[final] ).
cnf(c_0_25,plain,
human(esk1_0),
inference(split_conjunct,[status(thm)],[c_0_12]),
[final] ).
cnf(c_0_26,plain,
human(john),
inference(split_conjunct,[status(thm)],[john]),
[final] ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.12 % Problem : PUZ153+1 : TPTP v9.2.1. Released v9.1.0.
% 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 : n006.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 : Tue May 5 01:37:46 EDT 2026
% 0.16/0.33 % CPUTime :
% 0.16/0.34 % start to proof: theBenchmark
% 1.24/1.72 % Version : CSE_E---1.7
% 1.24/1.72 % Problem : theBenchmark.p
% 1.24/1.72 % SZS status CounterSatisfiable for theBenchmark.p
% 1.24/1.72 % SZS output start Saturation
% See solution above
% 1.24/1.72 % Total time : 1.369s
%------------------------------------------------------------------------------