%------------------------------------------------------------------------------
% File : Leo-III---1.8.0
% Problem : GRP665+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 : n017.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 07:21:41 AM UTC 2026
% Result : Theorem 5.48s 3.22s
% Output : Refutation 5.48s
% Verified :
% SZS Type : Refutation
% Derivation depth : 3
% Number of leaves : 10
% Syntax : Number of formulae : 22 ( 19 unt; 0 typ; 0 def)
% Number of atoms : 28 ( 27 equ; 0 cnn)
% Maximal formula atoms : 3 ( 1 avg)
% Number of connectives : 176 ( 2 ~; 0 |; 6 &; 168 @)
% ( 0 <=>; 0 =>; 0 <=; 0 <~>)
% Maximal formula depth : 6 ( 3 avg)
% Number of types : 1 ( 0 usr)
% Number of type conns : 0 ( 0 >; 0 *; 0 +; 0 <<)
% Number of symbols : 7 ( 5 usr; 3 con; 0-2 aty)
% Number of variables : 40 ( 0 ^; 40 !; 0 ?; 40 :)
% Comments :
%------------------------------------------------------------------------------
thf(mult_decl,type,
mult: $i > $i > $i ).
thf(op_c_decl,type,
op_c: $i ).
thf(ld_decl,type,
ld: $i > $i > $i ).
thf(rd_decl,type,
rd: $i > $i > $i ).
thf(unit_decl,type,
unit: $i ).
thf(7,axiom,
! [A: $i] :
( ( unit @ ( A @ mult ) )
= A ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',f05) ).
thf(28,plain,
! [A: $i] :
( ( unit @ ( A @ mult ) )
= A ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[7]) ).
thf(9,axiom,
! [A: $i,B: $i,C: $i] :
( ( A @ ( B @ mult ) @ ( C @ mult ) )
= ( A @ ( C @ mult ) @ ( C @ ( B @ ( C @ mult ) @ rd ) @ mult ) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',f07) ).
thf(34,plain,
! [A: $i,B: $i,C: $i] :
( ( A @ ( B @ mult ) @ ( C @ mult ) )
= ( A @ ( C @ mult ) @ ( C @ ( B @ ( C @ mult ) @ rd ) @ mult ) ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[9]) ).
thf(5,axiom,
! [A: $i,B: $i] :
( ( A @ ( A @ ( B @ rd ) @ mult ) )
= B ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',f03) ).
thf(22,plain,
! [A: $i,B: $i] :
( ( A @ ( A @ ( B @ rd ) @ mult ) )
= B ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[5]) ).
thf(1,conjecture,
! [A: $i,B: $i] :
( ( ( op_c @ ( B @ ( A @ mult ) @ mult ) )
= ( op_c @ ( B @ mult ) @ ( A @ mult ) ) )
& ( ( B @ ( op_c @ ( A @ mult ) @ mult ) )
= ( B @ ( op_c @ mult ) @ ( A @ mult ) ) )
& ( ( B @ ( A @ mult ) @ ( op_c @ mult ) )
= ( B @ ( A @ ( op_c @ mult ) @ mult ) ) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',goals) ).
thf(2,negated_conjecture,
~ ! [A: $i,B: $i] :
( ( ( op_c @ ( B @ ( A @ mult ) @ mult ) )
= ( op_c @ ( B @ mult ) @ ( A @ mult ) ) )
& ( ( B @ ( op_c @ ( A @ mult ) @ mult ) )
= ( B @ ( op_c @ mult ) @ ( A @ mult ) ) )
& ( ( B @ ( A @ mult ) @ ( op_c @ mult ) )
= ( B @ ( A @ ( op_c @ mult ) @ mult ) ) ) ),
inference(neg_conjecture,[status(cth)],[1]) ).
thf(12,plain,
~ ! [A: $i,B: $i] :
( ( ( op_c @ ( B @ ( A @ mult ) @ mult ) )
= ( op_c @ ( B @ mult ) @ ( A @ mult ) ) )
& ( ( B @ ( op_c @ ( A @ mult ) @ mult ) )
= ( B @ ( op_c @ mult ) @ ( A @ mult ) ) )
& ( ( B @ ( A @ mult ) @ ( op_c @ mult ) )
= ( B @ ( A @ ( op_c @ mult ) @ mult ) ) ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[2]) ).
thf(11,axiom,
! [A: $i] :
( ( A @ ( op_c @ mult ) )
= ( op_c @ ( A @ mult ) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',f09) ).
thf(40,plain,
! [A: $i] :
( ( A @ ( op_c @ mult ) )
= ( op_c @ ( A @ mult ) ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[11]) ).
thf(4,axiom,
! [A: $i,B: $i] :
( ( A @ ( B @ mult ) @ ( B @ ld ) )
= A ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',f02) ).
thf(19,plain,
! [A: $i,B: $i] :
( ( A @ ( B @ mult ) @ ( B @ ld ) )
= A ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[4]) ).
thf(10,axiom,
! [A: $i,B: $i,C: $i] :
( ( A @ ( B @ ( C @ mult ) @ mult ) )
= ( A @ ( B @ mult ) @ ( A @ ld ) @ ( A @ ( C @ mult ) @ mult ) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',f08) ).
thf(37,plain,
! [A: $i,B: $i,C: $i] :
( ( A @ ( B @ ( C @ mult ) @ mult ) )
= ( A @ ( B @ mult ) @ ( A @ ld ) @ ( A @ ( C @ mult ) @ mult ) ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[10]) ).
thf(6,axiom,
! [A: $i,B: $i] :
( ( A @ ( A @ ( B @ mult ) @ rd ) )
= B ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',f04) ).
thf(25,plain,
! [A: $i,B: $i] :
( ( A @ ( A @ ( B @ mult ) @ rd ) )
= B ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[6]) ).
thf(3,axiom,
! [A: $i,B: $i] :
( ( A @ ( B @ ld ) @ ( B @ mult ) )
= A ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',f01) ).
thf(16,plain,
! [A: $i,B: $i] :
( ( A @ ( B @ ld ) @ ( B @ mult ) )
= A ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[3]) ).
thf(8,axiom,
! [A: $i] :
( ( A @ ( unit @ mult ) )
= A ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',f06) ).
thf(31,plain,
! [A: $i] :
( ( A @ ( unit @ mult ) )
= A ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[8]) ).
thf(47,plain,
$false,
inference(e,[status(thm)],[28,34,22,12,40,19,37,25,16,31]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.04 % Problem : GRP665+1 : TPTP v9.3.1. Released v4.0.0.
% 0.00/0.11 % 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
% 0.26/0.50 % Computer : n017.cluster.edu
% 0.26/0.50 % Model : x86_64 x86_64
% 0.26/0.50 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.26/0.50 % Memory : 8046.5625MB
% 0.26/0.50 % OS : Linux 6.8.0-71-generic
% 0.26/0.50 % CPULimit : 300
% 0.26/0.50 % WCLimit : 300
% 0.26/0.50 % DateTime : Fri Sep 25 15:28:49 UTC 2026
% 0.26/0.51 % CPUTime :
% 0.26/0.51 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
% 1.30/1.21 % [INFO] Parsing problem /export/starexec/sandbox/benchmark/theBenchmark.p ...
% 1.72/1.42 % [INFO] Parsing done (196ms).
% 1.72/1.44 % [INFO] Running in sequential loop mode.
% 2.76/2.08 % [INFO] eprover registered as external prover.
% 2.76/2.10 % [INFO] Scanning for conjecture ...
% 3.02/2.25 % [INFO] Found a conjecture (or negated_conjecture) and 9 axioms. Running axiom selection ...
% 3.17/2.31 % [INFO] Axiom selection finished. Selected 9 axioms (removed 0 axioms).
% 3.17/2.34 % [INFO] Problem is first-order (TPTP FOF).
% 3.17/2.35 % [INFO] Type checking passed.
% 3.17/2.36 % [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 ...
% 5.48/3.21 % External prover 'e' found a proof!
% 5.48/3.21 % [INFO] Killing All external provers ...
% 5.48/3.22 % Time passed: 2489ms (effective reasoning time: 1768ms)
% 5.48/3.22 % 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)>
% 5.48/3.22 % Axioms used in derivation (9): f08, f03, f02, f07, f06, f05, f01, f04, f09
% 5.48/3.22 % No. of inferences in proof: 22
% 5.48/3.22 % SZS status Theorem for /export/starexec/sandbox/benchmark/theBenchmark.p : 2489 ms resp. 1768 ms w/o parsing
% 5.48/3.28 % SZS output start Refutation for /export/starexec/sandbox/benchmark/theBenchmark.p
% See solution above
% 5.48/3.28 % [INFO] Killing All external provers ...
%------------------------------------------------------------------------------