%------------------------------------------------------------------------------
% File : Leo-III---1.8.0
% Problem : KLE083+1 : TPTP v9.3.1. Released v4.0.0.
% Transfm : none
% Format : tptp:raw
% Command : java -Xss128m -Xmx2g -Xms1g -jar /export/starexec/sandbox/solver/bin/leo3.jar /export/starexec/sandbox/benchmark/theBenchmark.p -t 300 -p --atp eprover=/export/starexec/sandbox/solver/bin/externals/eprover --instantiate 39
% Computer : n004.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 07:43:10 AM UTC 2026
% Result : Theorem 6.51s 3.41s
% Output : Refutation 6.51s
% Verified :
% SZS Type : Refutation
% Derivation depth : 3
% Number of leaves : 21
% Syntax : Number of formulae : 44 ( 42 unt; 0 typ; 0 def)
% Number of atoms : 48 ( 44 equ; 0 cnn)
% Maximal formula atoms : 4 ( 1 avg)
% Number of connectives : 235 ( 2 ~; 0 |; 1 &; 229 @)
% ( 1 <=>; 2 =>; 0 <=; 0 <~>)
% Maximal formula depth : 7 ( 3 avg)
% Number of types : 2 ( 0 usr)
% Number of type conns : 0 ( 0 >; 0 *; 0 +; 0 <<)
% Number of symbols : 11 ( 9 usr; 3 con; 0-2 aty)
% Number of variables : 67 ( 0 ^; 67 !; 0 ?; 67 :)
% Comments :
%------------------------------------------------------------------------------
thf(multiplication_decl,type,
multiplication: $i > $i > $i ).
thf(domain_decl,type,
domain: $i > $i ).
thf(addition_decl,type,
addition: $i > $i > $i ).
thf(coantidomain_decl,type,
coantidomain: $i > $i ).
thf(one_decl,type,
one: $i ).
thf(codomain_decl,type,
codomain: $i > $i ).
thf(antidomain_decl,type,
antidomain: $i > $i ).
thf(zero_decl,type,
zero: $i ).
thf(leq_decl,type,
leq: $i > $i > $o ).
thf(22,axiom,
! [A: $i,B: $i,C: $i] :
( ( C @ ( B @ addition ) @ ( A @ multiplication ) )
= ( C @ ( A @ multiplication ) @ ( B @ ( A @ multiplication ) @ addition ) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',right_distributivity) ).
thf(88,plain,
! [A: $i,B: $i,C: $i] :
( ( C @ ( B @ addition ) @ ( A @ multiplication ) )
= ( C @ ( A @ multiplication ) @ ( B @ ( A @ multiplication ) @ addition ) ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[22]) ).
thf(4,axiom,
! [A: $i] :
( ( A @ coantidomain @ ( A @ coantidomain @ coantidomain @ addition ) )
= one ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',codomain3) ).
thf(29,plain,
! [A: $i] :
( ( A @ coantidomain @ ( A @ coantidomain @ coantidomain @ addition ) )
= one ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[4]) ).
thf(13,axiom,
! [A: $i,B: $i,C: $i] :
( ( C @ ( B @ ( A @ addition ) @ multiplication ) )
= ( C @ ( B @ multiplication ) @ ( C @ ( A @ multiplication ) @ addition ) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',left_distributivity) ).
thf(61,plain,
! [A: $i,B: $i,C: $i] :
( ( C @ ( B @ ( A @ addition ) @ multiplication ) )
= ( C @ ( B @ multiplication ) @ ( C @ ( A @ multiplication ) @ addition ) ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[13]) ).
thf(21,axiom,
! [A: $i] :
( ( A @ domain )
= ( A @ antidomain @ antidomain ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',domain4) ).
thf(85,plain,
! [A: $i] :
( ( A @ domain )
= ( A @ antidomain @ antidomain ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[21]) ).
thf(8,axiom,
! [A: $i] :
( ( zero @ ( A @ addition ) )
= A ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',additive_identity) ).
thf(41,plain,
! [A: $i] :
( ( zero @ ( A @ addition ) )
= A ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[8]) ).
thf(17,axiom,
! [A: $i] :
( ( one @ ( A @ multiplication ) )
= A ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',multiplicative_right_identity) ).
thf(73,plain,
! [A: $i] :
( ( one @ ( A @ multiplication ) )
= A ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[17]) ).
thf(9,axiom,
! [A: $i,B: $i] :
( ( B @ ( A @ addition ) )
= ( A @ ( B @ addition ) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',additive_commutativity) ).
thf(44,plain,
! [A: $i,B: $i] :
( ( B @ ( A @ addition ) )
= ( A @ ( B @ addition ) ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[9]) ).
thf(18,axiom,
! [A: $i] :
( ( A @ coantidomain @ ( A @ multiplication ) )
= zero ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',codomain1) ).
thf(76,plain,
! [A: $i] :
( ( A @ coantidomain @ ( A @ multiplication ) )
= zero ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[18]) ).
thf(6,axiom,
! [A: $i] :
( ( A @ ( A @ addition ) )
= A ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',additive_idempotence) ).
thf(35,plain,
! [A: $i] :
( ( A @ ( A @ addition ) )
= A ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[6]) ).
thf(15,axiom,
! [A: $i] :
( ( A @ ( A @ antidomain @ multiplication ) )
= zero ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',domain1) ).
thf(67,plain,
! [A: $i] :
( ( A @ ( A @ antidomain @ multiplication ) )
= zero ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[15]) ).
thf(19,axiom,
! [A: $i] :
( ( zero @ ( A @ multiplication ) )
= zero ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',right_annihilation) ).
thf(79,plain,
! [A: $i] :
( ( zero @ ( A @ multiplication ) )
= zero ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[19]) ).
thf(10,axiom,
! [A: $i,B: $i] :
( ( B @ ( A @ leq ) )
<=> ( ( B @ ( A @ addition ) )
= B ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',order) ).
thf(47,plain,
! [A: $i,B: $i] :
( ( ( ( B @ ( A @ addition ) )
= B )
=> ( B @ ( A @ leq ) ) )
& ( ( B @ ( A @ leq ) )
=> ( ( B @ ( A @ addition ) )
= B ) ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[10]) ).
thf(7,axiom,
! [A: $i] :
( ( A @ antidomain @ ( A @ antidomain @ antidomain @ addition ) )
= one ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',domain3) ).
thf(38,plain,
! [A: $i] :
( ( A @ antidomain @ ( A @ antidomain @ antidomain @ addition ) )
= one ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[7]) ).
thf(16,axiom,
! [A: $i,B: $i] :
( ( B @ antidomain @ antidomain @ ( A @ multiplication ) @ antidomain @ ( B @ ( A @ multiplication ) @ antidomain @ addition ) )
= ( B @ antidomain @ antidomain @ ( A @ multiplication ) @ antidomain ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',domain2) ).
thf(70,plain,
! [A: $i,B: $i] :
( ( B @ antidomain @ antidomain @ ( A @ multiplication ) @ antidomain @ ( B @ ( A @ multiplication ) @ antidomain @ addition ) )
= ( B @ antidomain @ antidomain @ ( A @ multiplication ) @ antidomain ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[16]) ).
thf(5,axiom,
! [A: $i] :
( ( A @ codomain )
= ( A @ coantidomain @ coantidomain ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',codomain4) ).
thf(32,plain,
! [A: $i] :
( ( A @ codomain )
= ( A @ coantidomain @ coantidomain ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[5]) ).
thf(14,axiom,
! [A: $i] :
( ( A @ ( one @ multiplication ) )
= A ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',multiplicative_left_identity) ).
thf(64,plain,
! [A: $i] :
( ( A @ ( one @ multiplication ) )
= A ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[14]) ).
thf(3,axiom,
! [A: $i,B: $i,C: $i] :
( ( A @ ( B @ addition ) @ ( C @ addition ) )
= ( A @ ( B @ ( C @ addition ) @ addition ) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',additive_associativity) ).
thf(26,plain,
! [A: $i,B: $i,C: $i] :
( ( A @ ( B @ addition ) @ ( C @ addition ) )
= ( A @ ( B @ ( C @ addition ) @ addition ) ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[3]) ).
thf(11,axiom,
! [A: $i] :
( ( A @ ( zero @ multiplication ) )
= zero ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',left_annihilation) ).
thf(55,plain,
! [A: $i] :
( ( A @ ( zero @ multiplication ) )
= zero ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[11]) ).
thf(1,conjecture,
! [A: $i] :
( A
= ( A @ ( A @ domain @ multiplication ) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',goals) ).
thf(2,negated_conjecture,
~ ! [A: $i] :
( A
= ( A @ ( A @ domain @ multiplication ) ) ),
inference(neg_conjecture,[status(cth)],[1]) ).
thf(23,plain,
~ ! [A: $i] :
( A
= ( A @ ( A @ domain @ multiplication ) ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[2]) ).
thf(12,axiom,
! [A: $i,B: $i,C: $i] :
( ( C @ ( B @ multiplication ) @ ( A @ multiplication ) )
= ( C @ ( B @ ( A @ multiplication ) @ multiplication ) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',multiplicative_associativity) ).
thf(58,plain,
! [A: $i,B: $i,C: $i] :
( ( C @ ( B @ multiplication ) @ ( A @ multiplication ) )
= ( C @ ( B @ ( A @ multiplication ) @ multiplication ) ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[12]) ).
thf(20,axiom,
! [A: $i,B: $i] :
( ( B @ ( A @ coantidomain @ coantidomain @ multiplication ) @ coantidomain @ ( B @ ( A @ multiplication ) @ coantidomain @ addition ) )
= ( B @ ( A @ coantidomain @ coantidomain @ multiplication ) @ coantidomain ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',codomain2) ).
thf(82,plain,
! [A: $i,B: $i] :
( ( B @ ( A @ coantidomain @ coantidomain @ multiplication ) @ coantidomain @ ( B @ ( A @ multiplication ) @ coantidomain @ addition ) )
= ( B @ ( A @ coantidomain @ coantidomain @ multiplication ) @ coantidomain ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[20]) ).
thf(103,plain,
$false,
inference(e,[status(thm)],[88,29,61,85,41,73,44,76,35,67,79,47,38,70,32,64,26,55,23,58,82]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : KLE083+1 : TPTP v9.3.1. Released v4.0.0.
% 0.00/0.08 % Command : java -Xss128m -Xmx2g -Xms1g -jar /export/starexec/sandbox/solver/bin/leo3.jar /export/starexec/sandbox/benchmark/theBenchmark.p -t 300 -p --atp eprover=/export/starexec/sandbox/solver/bin/externals/eprover --instantiate 39
% 0.14/0.40 % Computer : n004.cluster.edu
% 0.14/0.40 % Model : x86_64 x86_64
% 0.14/0.40 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.40 % Memory : 8046.5625MB
% 0.14/0.40 % OS : Linux 6.8.0-71-generic
% 0.14/0.40 % CPULimit : 300
% 0.14/0.40 % WCLimit : 300
% 0.14/0.40 % DateTime : Fri Sep 25 19:20:06 UTC 2026
% 0.14/0.40 % CPUTime :
% 0.14/0.40 Running java -Xss128m -Xmx2g -Xms1g -jar /export/starexec/sandbox/solver/bin/leo3.jar /export/starexec/sandbox/benchmark/theBenchmark.p -t 300 -p --atp eprover=/export/starexec/sandbox/solver/bin/externals/eprover --instantiate 39
% 1.24/1.19 % [INFO] Parsing problem /export/starexec/sandbox/benchmark/theBenchmark.p ...
% 1.75/1.41 % [INFO] Parsing done (215ms).
% 1.75/1.43 % [INFO] Running in sequential loop mode.
% 3.00/2.05 % [INFO] eprover registered as external prover.
% 3.00/2.07 % [INFO] Scanning for conjecture ...
% 3.23/2.16 % [INFO] Found a conjecture (or negated_conjecture) and 20 axioms. Running axiom selection ...
% 3.31/2.26 % [INFO] Axiom selection finished. Selected 20 axioms (removed 0 axioms).
% 3.54/2.32 % [INFO] Problem is first-order (TPTP FOF).
% 3.54/2.33 % [INFO] Type checking passed.
% 3.54/2.33 % [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 ...
% 6.51/3.41 % External prover 'e' found a proof!
% 6.51/3.41 % [INFO] Killing All external provers ...
% 6.51/3.41 % Time passed: 2835ms (effective reasoning time: 1968ms)
% 6.51/3.41 % Solved by 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)>
% 6.51/3.41 % Axioms used in derivation (20): additive_identity, domain4, codomain4, domain3, multiplicative_right_identity, codomain2, right_annihilation, domain1, left_annihilation, codomain1, additive_idempotence, additive_associativity, right_distributivity, domain2, order, additive_commutativity, multiplicative_left_identity, codomain3, multiplicative_associativity, left_distributivity
% 6.51/3.41 % No. of inferences in proof: 44
% 6.51/3.41 % SZS status Theorem for /export/starexec/sandbox/benchmark/theBenchmark.p : 2835 ms resp. 1968 ms w/o parsing
% 6.51/3.46 % SZS output start Refutation for /export/starexec/sandbox/benchmark/theBenchmark.p
% See solution above
% 6.51/3.46 % [INFO] Killing All external provers ...
%------------------------------------------------------------------------------