%------------------------------------------------------------------------------
% File : Leo-III---1.8.0
% Problem : SET824-1 : TPTP v9.3.1. Released v3.2.0.
% Transfm : none
% Format : tptp:raw
% Command : java -Xss128m -Xmx2g -Xms1g -jar /export/starexec/sandbox2/solver/bin/leo3.jar /export/starexec/sandbox2/benchmark/theBenchmark.p -t 300 -p --atp eprover=/export/starexec/sandbox2/solver/bin/externals/eprover --instantiate 39
% Computer : n005.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 : Sun Sep 27 08:31:00 AM UTC 2026
% Result : Unsatisfiable 14.91s 4.87s
% Output : Refutation 15.58s
% Verified :
% SZS Type : Refutation
% Derivation depth : 5
% Number of leaves : 2
% Syntax : Number of formulae : 8 ( 7 unt; 0 typ; 0 def)
% Number of atoms : 13 ( 2 equ; 0 cnn)
% Maximal formula atoms : 2 ( 1 avg)
% Number of connectives : 34 ( 6 ~; 1 |; 0 &; 27 @)
% ( 0 <=>; 0 =>; 0 <=; 0 <~>)
% Maximal formula depth : 7 ( 5 avg)
% Number of types : 2 ( 0 usr)
% Number of type conns : 0 ( 0 >; 0 *; 0 +; 0 <<)
% Number of symbols : 7 ( 4 usr; 5 con; 0-3 aty)
% Number of variables : 14 ( 0 ^; 14 !; 0 ?; 14 :)
% Comments :
%------------------------------------------------------------------------------
thf(c_in_decl,type,
c_in: $i > $i > $i > $o ).
thf(v_a_decl,type,
v_a: $i ).
thf(tc_IntDef_Oint_decl,type,
tc_IntDef_Oint: $i ).
thf(c_emptyset_decl,type,
c_emptyset: $i ).
thf(1,negated_conjecture,
! [A: $i] : ( tc_IntDef_Oint @ ( A @ ( v_a @ c_in ) ) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',cls_conjecture_0) ).
thf(1120,plain,
! [A: $i] : ( tc_IntDef_Oint @ ( A @ ( v_a @ c_in ) ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[1]) ).
thf(1117,axiom,
! [B: $i,A: $i] :
~ ( B @ ( c_emptyset @ ( A @ c_in ) ) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',cls_Set_OemptyE_0) ).
thf(3298,plain,
! [B: $i,A: $i] :
~ ( B @ ( c_emptyset @ ( A @ c_in ) ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[1117]) ).
thf(3299,plain,
! [B: $i,A: $i] :
~ ( B @ ( c_emptyset @ ( A @ c_in ) ) ),
inference(polarity_switch,[status(thm)],[3298]) ).
thf(3309,plain,
! [C: $i,B: $i,A: $i] :
( ( ( tc_IntDef_Oint @ ( A @ ( v_a @ c_in ) ) )
!= ( C @ ( c_emptyset @ ( B @ c_in ) ) ) )
| ~ $true ),
inference(paramod_ordered,[status(thm)],[1120,3299]) ).
thf(3310,plain,
! [C: $i,B: $i,A: $i] :
( ( tc_IntDef_Oint @ ( A @ ( v_a @ c_in ) ) )
!= ( C @ ( c_emptyset @ ( B @ c_in ) ) ) ),
inference(simp,[status(thm)],[3309]) ).
thf(3311,plain,
$false,
inference(pattern_uni,[status(thm)],[3310:[bind(A,$thf( c_emptyset )),bind(B,$thf( v_a )),bind(C,$thf( tc_IntDef_Oint ))]]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : SET824-1 : TPTP v9.3.1. Released v3.2.0.
% 0.00/0.08 % Command : java -Xss128m -Xmx2g -Xms1g -jar /export/starexec/sandbox2/solver/bin/leo3.jar /export/starexec/sandbox2/benchmark/theBenchmark.p -t 300 -p --atp eprover=/export/starexec/sandbox2/solver/bin/externals/eprover --instantiate 39
% 0.13/0.39 % Computer : n005.cluster.edu
% 0.13/0.39 % Model : x86_64 x86_64
% 0.13/0.39 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.39 % Memory : 8046.5625MB
% 0.13/0.39 % OS : Linux 6.8.0-71-generic
% 0.13/0.39 % CPULimit : 300
% 0.13/0.39 % WCLimit : 300
% 0.13/0.39 % DateTime : Sat Sep 26 08:18:33 UTC 2026
% 0.13/0.39 % CPUTime :
% 0.13/0.39 Running java -Xss128m -Xmx2g -Xms1g -jar /export/starexec/sandbox2/solver/bin/leo3.jar /export/starexec/sandbox2/benchmark/theBenchmark.p -t 300 -p --atp eprover=/export/starexec/sandbox2/solver/bin/externals/eprover --instantiate 39
% 0.84/0.95 % [INFO] Parsing problem /export/starexec/sandbox2/benchmark/theBenchmark.p ...
% 1.94/1.32 % [INFO] Parsing done (359ms).
% 1.94/1.33 % [INFO] Running in sequential loop mode.
% 2.86/1.70 % [INFO] eprover registered as external prover.
% 2.86/1.71 % [INFO] Scanning for conjecture ...
% 3.05/1.88 % [INFO] Found a conjecture (or negated_conjecture) and 1357 axioms. Running axiom selection ...
% 5.04/2.38 % [INFO] Axiom selection finished. Selected 1118 axioms (removed 239 axioms).
% 6.09/2.62 % [INFO] Problem is propositional (TPTP CNF).
% 6.09/2.64 % [INFO] Type checking passed.
% 6.09/2.65 % [CONFIG] Using configuration: timeout(300) with strategy<name(default),share(1.0),primSubst(3),sos(false),unifierCount(4),uniDepth(8),boolExt(true),choice(true),renaming(true),funcspec(false), domConstr(0),specialInstances(39),restrictUniAttempts(true),termOrdering(CPO)>. Searching for refutation ...
% 14.91/4.87 % [INFO] Killing All external provers ...
% 14.91/4.87 % Time passed: 4348ms (effective reasoning time: 3532ms)
% 14.91/4.87 % Axioms used in derivation (1): cls_Set_OemptyE_0
% 14.91/4.87 % No. of inferences in proof: 8
% 14.91/4.87 % SZS status Unsatisfiable for /export/starexec/sandbox2/benchmark/theBenchmark.p : 4348 ms resp. 3532 ms w/o parsing
% 15.58/4.90 % SZS output start Refutation for /export/starexec/sandbox2/benchmark/theBenchmark.p
% See solution above
% 15.58/4.90 % [INFO] Killing All external provers ...
%------------------------------------------------------------------------------