%------------------------------------------------------------------------------
% File : FindProof---0.1
% Problem : PUZ131-10 : TPTP v9.3.1. Released v7.5.0.
% Transfm : none
% Format : tptp:raw
% Command : run_findproof /export/starexec/sandbox2/benchmark/theBenchmark.p 300
% Computer : n010.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 : Fri Sep 25 02:32:07 PM UTC 2026
% Result : Unsatisfiable 9.67s 1.79s
% Output : CNFRefutation 9.67s
% Verified :
% SZS Type : Refutation
% Derivation depth : 16
% Number of leaves : 10
% Syntax : Number of clauses : 39 ( 39 unt; 0 nHn; 30 RR)
% Number of literals : 39 ( 38 equ; 3 neg)
% Maximal clause size : 1 ( 1 avg)
% Maximal term depth : 7 ( 2 avg)
% Number of predicates : 2 ( 0 usr; 1 prp; 0-2 aty)
% Number of functors : 13 ( 13 usr; 5 con; 0-4 aty)
% Number of variables : 20 ( 2 sgn)
% Comments :
%------------------------------------------------------------------------------
cnf(t20,axiom,
sFlat0 = taughtby(michael,victor),
introduced(definition) ).
cnf(t69,plain,
taughtby(michael,victor) = sFlat0,
inference(orient,[status(thm)],[t20]) ).
cnf(t19,axiom,
ifeq(teaches(X1,X2),true,ifeq(enrolled(X3,X2),true,ifeq(course(X2),true,ifeq(professor(X1),true,ifeq(student(X3),true,taughtby(X3,X1),true),true),true),true),true) = true,
file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).
cnf(t32,plain,
ifeq(teaches(X1,X2),true,ifeq(enrolled(X3,X2),true,ifeq(course(X2),true,ifeq(professor(X1),true,ifeq(student(X3),true,taughtby(X3,X1),true),true),true),true),true) = true,
inference(orient,[status(thm)],[t19]) ).
cnf(t1,axiom,
course(csc410) = true,
file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).
cnf(t33,plain,
course(csc410) = true,
inference(orient,[status(thm)],[t1]) ).
cnf(t40,plain,
true = ifeq(teaches(X1,csc410),true,ifeq(enrolled(X2,csc410),true,ifeq(true,true,ifeq(professor(X1),true,ifeq(student(X2),true,taughtby(X2,X1),true),true),true),true),true),
inference(cp,[status(thm)],[t32,t33]) ).
cnf(t8,axiom,
ifeq(X1,X1,X2,X3) = X2,
file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).
cnf(t21,plain,
ifeq(X1,X1,X2,X3) = X2,
inference(orient,[status(thm)],[t8]) ).
cnf(t346,plain,
true = ifeq(teaches(X1,csc410),true,ifeq(enrolled(X2,csc410),true,ifeq(professor(X1),true,ifeq(student(X2),true,taughtby(X2,X1),true),true),true),true),
inference(step,[status(thm)],[t40,t21]) ).
cnf(t207,plain,
ifeq(teaches(X1,csc410),true,ifeq(enrolled(X2,csc410),true,ifeq(professor(X1),true,ifeq(student(X2),true,taughtby(X2,X1),true),true),true),true) = true,
inference(orient,[status(thm)],[t346]) ).
cnf(t227,plain,
true = ifeq(teaches(victor,csc410),true,ifeq(enrolled(michael,csc410),true,ifeq(professor(victor),true,ifeq(student(michael),true,sFlat0,true),true),true),true),
inference(cp,[status(thm)],[t207,t69]) ).
cnf(t15,axiom,
ifeq(course(X1),true,teaches(coordinatorof(X1),X1),true) = true,
file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).
cnf(t25,plain,
ifeq(course(X1),true,teaches(coordinatorof(X1),X1),true) = true,
inference(orient,[status(thm)],[t15]) ).
cnf(t0,axiom,
coordinatorof(csc410) = victor,
file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).
cnf(t67,plain,
coordinatorof(csc410) = victor,
inference(orient,[status(thm)],[t0]) ).
cnf(t68,plain,
true = ifeq(course(csc410),true,teaches(victor,csc410),true),
inference(cp,[status(thm)],[t25,t67]) ).
cnf(t324,plain,
true = ifeq(true,true,teaches(victor,csc410),true),
inference(step,[status(thm)],[t68,t33]) ).
cnf(t325,plain,
true = teaches(victor,csc410),
inference(step,[status(thm)],[t324,t21]) ).
cnf(t123,plain,
teaches(victor,csc410) = true,
inference(orient,[status(thm)],[t325]) ).
cnf(t347,plain,
true = ifeq(true,true,ifeq(enrolled(michael,csc410),true,ifeq(professor(victor),true,ifeq(student(michael),true,sFlat0,true),true),true),true),
inference(step,[status(thm)],[t227,t123]) ).
cnf(t348,plain,
true = ifeq(enrolled(michael,csc410),true,ifeq(professor(victor),true,ifeq(student(michael),true,sFlat0,true),true),true),
inference(step,[status(thm)],[t347,t21]) ).
cnf(t7,axiom,
enrolled(michael,csc410) = true,
file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).
cnf(t65,plain,
enrolled(michael,csc410) = true,
inference(orient,[status(thm)],[t7]) ).
cnf(t349,plain,
true = ifeq(true,true,ifeq(professor(victor),true,ifeq(student(michael),true,sFlat0,true),true),true),
inference(step,[status(thm)],[t348,t65]) ).
cnf(t350,plain,
true = ifeq(professor(victor),true,ifeq(student(michael),true,sFlat0,true),true),
inference(step,[status(thm)],[t349,t21]) ).
cnf(t4,axiom,
professor(victor) = true,
file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).
cnf(t49,plain,
professor(victor) = true,
inference(orient,[status(thm)],[t4]) ).
cnf(t351,plain,
true = ifeq(true,true,ifeq(student(michael),true,sFlat0,true),true),
inference(step,[status(thm)],[t350,t49]) ).
cnf(t352,plain,
true = ifeq(student(michael),true,sFlat0,true),
inference(step,[status(thm)],[t351,t21]) ).
cnf(t5,axiom,
student(michael) = true,
file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).
cnf(t57,plain,
student(michael) = true,
inference(orient,[status(thm)],[t5]) ).
cnf(t353,plain,
true = ifeq(true,true,sFlat0,true),
inference(step,[status(thm)],[t352,t57]) ).
cnf(t354,plain,
true = sFlat0,
inference(step,[status(thm)],[t353,t21]) ).
cnf(t228,plain,
true = sFlat0,
inference(orient,[status(thm)],[t354]) ).
cnf(goal_0,negated_conjecture,
taughtby(michael,victor) != true,
file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).
cnf(g0_0,plain,
sFlat0 != true,
inference(rw,[status(thm)],[goal_0,t69]) ).
cnf(g0_1,plain,
sFlat0 != sFlat0,
inference(rw,[status(thm)],[g0_0,t228]) ).
cnf(contradiction_0,plain,
$false,
inference(trivial_inequality_removal,[status(thm)],[g0_1]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : PUZ131-10 : TPTP v9.3.1. Released v7.5.0.
% 0.00/0.04 % Command : run_findproof /export/starexec/sandbox2/benchmark/theBenchmark.p 300
% 0.10/0.37 % Computer : n010.cluster.edu
% 0.10/0.37 % Model : x86_64 x86_64
% 0.10/0.37 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.10/0.37 % Memory : 8046.5625MB
% 0.10/0.37 % OS : Linux 6.8.0-71-generic
% 0.10/0.37 % CPULimit : 300
% 0.10/0.37 % WCLimit : 300
% 0.10/0.37 % DateTime : Thu Sep 24 07:00:27 UTC 2026
% 0.10/0.37 % CPUTime :
% 0.10/0.37 Running run_findproof /export/starexec/sandbox2/benchmark/theBenchmark.p 300
% 9.67/1.79 % SZS status Unsatisfiable for /export/starexec/sandbox2/benchmark/theBenchmark.p
% 9.67/1.79 % SZS output start CNFRefutation for /export/starexec/sandbox2/benchmark/theBenchmark.p
% See solution above
%------------------------------------------------------------------------------